3439 lines
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149.619kb
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// |
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// ChargeInsightsStore.swift |
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// USB Meter |
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// |
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// Created by Codex on 10/04/2026. |
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// |
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import CoreData |
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import Foundation |
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final class ChargeInsightsStore {
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private enum EntityName {
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static let chargedDevice = "ChargedDevice" |
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static let chargeSession = "ChargeSession" |
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static let chargeCheckpoint = "ChargeCheckpoint" |
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static let chargeSessionSample = "ChargeSessionSample" |
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} |
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private enum MeterAssignmentKind {
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case chargedDevice |
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case charger |
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var expectsChargerClass: Bool {
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switch self {
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case .chargedDevice: |
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return false |
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case .charger: |
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return true |
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} |
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} |
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} |
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private static let maximumChargeSessionDuration: TimeInterval = 12 * 60 * 60 |
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private static let persistedSamplesPerHour = 360 |
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private static let aggregatedSampleBucketDuration = 3600.0 / Double(persistedSamplesPerHour) |
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private let context: NSManagedObjectContext |
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private let stopDetectionHoldDuration: TimeInterval = 20 |
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private let maximumLiveIntegrationGap: TimeInterval = 90 |
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private let activeSessionSaveInterval: TimeInterval = 60 |
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private let aggregatedSampleSaveInterval: TimeInterval = 30 |
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private let counterDecreaseTolerance = 0.002 |
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private let completionConfirmationCooldown: TimeInterval = 15 * 60 |
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private let pausedSessionTimeout: TimeInterval = 10 * 60 |
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private let defaultCompletionPercentThreshold = 95.0 |
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private let completionContradictionTolerancePercent = 2.0 |
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private let minimumWirelessEfficiencyFactor = 0.35 |
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private let maximumWirelessEfficiencyFactor = 0.95 |
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private let lowWirelessEfficiencyThreshold = 0.72 |
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private let unresolvedFlatBatteryPercent = -1.0 |
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init(context: NSManagedObjectContext) {
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self.context = context |
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} |
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func refreshContext() {
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context.performAndWait {
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context.processPendingChanges() |
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} |
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} |
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func resetContext() {
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context.performAndWait {
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context.reset() |
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} |
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} |
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@discardableResult |
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func flushPendingChanges() -> Bool {
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var didSave = false |
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context.performAndWait {
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context.processPendingChanges() |
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didSave = saveContext() |
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} |
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return didSave |
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} |
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@discardableResult |
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func completeExpiredOpenSessions(referenceDate: Date = Date()) -> Bool {
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var didSave = false |
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context.performAndWait {
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let expiredSessions = fetchOpenSessionObjects().compactMap { session -> NSManagedObject? in
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guard automaticCompletionDate(for: session, referenceDate: referenceDate) != nil else {
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return nil |
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} |
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return session |
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} |
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guard expiredSessions.isEmpty == false else {
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return |
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} |
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var chargedDeviceIDsToRefresh = Set<String>() |
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for session in expiredSessions {
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guard let completionDate = automaticCompletionDate(for: session, referenceDate: referenceDate) else {
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continue |
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} |
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finishSession( |
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session, |
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observedAt: completionDate, |
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finalBatteryPercent: nil, |
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status: .completed |
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) |
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if let chargedDeviceID = stringValue(session, key: "chargedDeviceID") {
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chargedDeviceIDsToRefresh.insert(chargedDeviceID) |
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} |
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} |
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guard saveContext() else {
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return |
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} |
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for chargedDeviceID in chargedDeviceIDsToRefresh {
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refreshDerivedMetrics(forChargedDeviceID: chargedDeviceID) |
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} |
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didSave = saveContext() |
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} |
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return didSave |
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} |
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@discardableResult |
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func createDevice( |
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name: String, |
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deviceClass: ChargedDeviceClass, |
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templateID: String?, |
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chargingStateAvailability: ChargingStateAvailability, |
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supportsWiredCharging: Bool, |
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supportsWirelessCharging: Bool, |
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wirelessChargingProfile: WirelessChargingProfile, |
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configuredCompletionCurrents: [ChargeSessionKind: Double], |
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notes: String?, |
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assignTo meterMACAddress: String? |
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) -> Bool {
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guard deviceClass.kind == .device else { return false }
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let normalizedName = normalizedText(name) |
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let normalizedChargingStateAvailability = deviceClass.normalizedChargingStateAvailability(chargingStateAvailability) |
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let normalizedChargingSupport = deviceClass.normalizedChargingSupport( |
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supportsWiredCharging: supportsWiredCharging, |
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supportsWirelessCharging: supportsWirelessCharging |
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) |
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let normalizedTemplateID = normalizedTemplateID(templateID, kind: .device) |
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guard !normalizedName.isEmpty else { return false }
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guard normalizedChargingSupport.wired || normalizedChargingSupport.wireless else { return false }
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var didSave = false |
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context.performAndWait {
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guard let entity = NSEntityDescription.entity(forEntityName: EntityName.chargedDevice, in: context) else {
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return |
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} |
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let object = NSManagedObject(entity: entity, insertInto: context) |
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let now = Date() |
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object.setValue(UUID().uuidString, forKey: "id") |
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object.setValue(normalizedName, forKey: "name") |
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object.setValue(deviceClass.rawValue, forKey: "deviceClassRawValue") |
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object.setValue(normalizedTemplateID, forKey: "deviceTemplateID") |
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object.setValue(normalizedChargingStateAvailability.rawValue, forKey: "chargingStateAvailabilityRawValue") |
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object.setValue(normalizedChargingStateAvailability.supportsChargingWhileOff, forKey: "supportsChargingWhileOff") |
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object.setValue(normalizedChargingSupport.wired, forKey: "supportsWiredCharging") |
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object.setValue(normalizedChargingSupport.wireless, forKey: "supportsWirelessCharging") |
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object.setValue(wirelessChargingProfile.rawValue, forKey: "wirelessChargingProfileRawValue") |
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object.setValue(encodedCompletionCurrents(configuredCompletionCurrents), forKey: "configuredCompletionCurrentsRawValue") |
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object.setValue(legacyConfiguredCompletionCurrent(for: configuredCompletionCurrents, chargingTransportMode: .wired), forKey: "wiredChargeCompletionCurrentAmps") |
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object.setValue(legacyConfiguredCompletionCurrent(for: configuredCompletionCurrents, chargingTransportMode: .wireless), forKey: "wirelessChargeCompletionCurrentAmps") |
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object.setValue(normalizedOptionalText(notes), forKey: "notes") |
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object.setValue(generateQRIdentifier(), forKey: "qrIdentifier") |
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object.setValue(normalizedOptionalText(meterMACAddress), forKey: "lastAssociatedMeterMAC") |
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object.setValue(now, forKey: "createdAt") |
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object.setValue(now, forKey: "updatedAt") |
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didSave = saveContext() |
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} |
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return didSave |
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} |
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@discardableResult |
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func createCharger( |
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name: String, |
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chargerType: ChargerType, |
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notes: String?, |
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assignTo meterMACAddress: String? |
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) -> Bool {
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let normalizedName = normalizedText(name) |
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guard !normalizedName.isEmpty else { return false }
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var didSave = false |
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context.performAndWait {
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guard let entity = NSEntityDescription.entity(forEntityName: EntityName.chargedDevice, in: context) else {
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return |
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} |
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let object = NSManagedObject(entity: entity, insertInto: context) |
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let now = Date() |
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object.setValue(UUID().uuidString, forKey: "id") |
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object.setValue(normalizedName, forKey: "name") |
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object.setValue(ChargedDeviceClass.charger.rawValue, forKey: "deviceClassRawValue") |
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object.setValue(nil, forKey: "deviceTemplateID") |
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object.setValue(ChargingStateAvailability.onOnly.rawValue, forKey: "chargingStateAvailabilityRawValue") |
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object.setValue(false, forKey: "supportsChargingWhileOff") |
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object.setValue(false, forKey: "supportsWiredCharging") |
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object.setValue(true, forKey: "supportsWirelessCharging") |
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if object.entity.attributesByName["chargerTypeRawValue"] != nil {
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object.setValue(chargerType.rawValue, forKey: "chargerTypeRawValue") |
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} |
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object.setValue(chargerType.wirelessChargingProfile.rawValue, forKey: "wirelessChargingProfileRawValue") |
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object.setValue(encodedCompletionCurrents([:]), forKey: "configuredCompletionCurrentsRawValue") |
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object.setValue(nil, forKey: "wiredChargeCompletionCurrentAmps") |
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object.setValue(nil, forKey: "wirelessChargeCompletionCurrentAmps") |
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object.setValue(normalizedOptionalText(notes), forKey: "notes") |
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object.setValue(generateQRIdentifier(), forKey: "qrIdentifier") |
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object.setValue(normalizedOptionalText(meterMACAddress), forKey: "lastAssociatedMeterMAC") |
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object.setValue(now, forKey: "createdAt") |
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object.setValue(now, forKey: "updatedAt") |
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didSave = saveContext() |
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} |
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return didSave |
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} |
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@discardableResult |
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func updateDevice( |
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id: UUID, |
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name: String, |
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deviceClass: ChargedDeviceClass, |
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templateID: String?, |
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chargingStateAvailability: ChargingStateAvailability, |
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supportsWiredCharging: Bool, |
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supportsWirelessCharging: Bool, |
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wirelessChargingProfile: WirelessChargingProfile, |
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configuredCompletionCurrents: [ChargeSessionKind: Double], |
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notes: String? |
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) -> Bool {
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guard deviceClass.kind == .device else { return false }
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let normalizedName = normalizedText(name) |
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let normalizedChargingStateAvailability = deviceClass.normalizedChargingStateAvailability(chargingStateAvailability) |
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let normalizedChargingSupport = deviceClass.normalizedChargingSupport( |
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supportsWiredCharging: supportsWiredCharging, |
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supportsWirelessCharging: supportsWirelessCharging |
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) |
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let normalizedTemplateID = normalizedTemplateID(templateID, kind: .device) |
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guard !normalizedName.isEmpty else { return false }
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guard normalizedChargingSupport.wired || normalizedChargingSupport.wireless else { return false }
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var didSave = false |
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context.performAndWait {
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guard let object = fetchChargedDeviceObject(id: id.uuidString) else {
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return |
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} |
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guard isChargerObject(object) == false else {
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return |
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} |
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let previousSupportsChargingWhileOff = boolValue(object, key: "supportsChargingWhileOff") |
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let previousChargingStateAvailability = self.chargingStateAvailability(for: object) |
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let previousSupportsWiredCharging = self.supportsWiredCharging(for: object) |
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let previousSupportsWirelessCharging = self.supportsWirelessCharging(for: object) |
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let now = Date() |
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object.setValue(normalizedName, forKey: "name") |
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object.setValue(deviceClass.rawValue, forKey: "deviceClassRawValue") |
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object.setValue(normalizedTemplateID, forKey: "deviceTemplateID") |
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object.setValue(normalizedChargingStateAvailability.rawValue, forKey: "chargingStateAvailabilityRawValue") |
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object.setValue(normalizedChargingStateAvailability.supportsChargingWhileOff, forKey: "supportsChargingWhileOff") |
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object.setValue(normalizedChargingSupport.wired, forKey: "supportsWiredCharging") |
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object.setValue(normalizedChargingSupport.wireless, forKey: "supportsWirelessCharging") |
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object.setValue(wirelessChargingProfile.rawValue, forKey: "wirelessChargingProfileRawValue") |
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object.setValue(encodedCompletionCurrents(configuredCompletionCurrents), forKey: "configuredCompletionCurrentsRawValue") |
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object.setValue(legacyConfiguredCompletionCurrent(for: configuredCompletionCurrents, chargingTransportMode: .wired), forKey: "wiredChargeCompletionCurrentAmps") |
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object.setValue(legacyConfiguredCompletionCurrent(for: configuredCompletionCurrents, chargingTransportMode: .wireless), forKey: "wirelessChargeCompletionCurrentAmps") |
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object.setValue(normalizedOptionalText(notes), forKey: "notes") |
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object.setValue(now, forKey: "updatedAt") |
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let supportsChargingWhileOff = normalizedChargingStateAvailability.supportsChargingWhileOff |
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let shouldRecalculateSessionCapacity = previousSupportsChargingWhileOff != supportsChargingWhileOff |
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let shouldRefreshActiveSessions = shouldRecalculateSessionCapacity |
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|| previousChargingStateAvailability != normalizedChargingStateAvailability |
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|| previousSupportsWiredCharging != normalizedChargingSupport.wired |
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|| previousSupportsWirelessCharging != normalizedChargingSupport.wireless |
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if shouldRecalculateSessionCapacity || shouldRefreshActiveSessions {
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let sessions = fetchSessions(forChargedDeviceID: id.uuidString) |
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for session in sessions {
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let isOpen = statusValue(session, key: "statusRawValue")?.isOpen == true |
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if shouldRecalculateSessionCapacity {
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session.setValue(supportsChargingWhileOff, forKey: "supportsChargingWhileOff") |
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updateCapacityEstimate(for: session) |
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session.setValue(now, forKey: "updatedAt") |
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} |
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guard isOpen, shouldRefreshActiveSessions else {
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continue |
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} |
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let resolvedSessionChargingTransportMode = resolvedPreferredChargingTransportMode( |
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chargingTransportMode(for: session), |
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supportsWiredCharging: normalizedChargingSupport.wired, |
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supportsWirelessCharging: normalizedChargingSupport.wireless |
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) |
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let resolvedSessionChargingStateMode = resolvedChargingStateMode( |
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chargingStateMode(for: session), |
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availability: normalizedChargingStateAvailability |
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) |
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let charger = stringValue(session, key: "chargerID").flatMap(fetchChargedDeviceObject(id:)) |
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session.setValue(supportsChargingWhileOff, forKey: "supportsChargingWhileOff") |
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session.setValue(resolvedSessionChargingTransportMode.rawValue, forKey: "chargingTransportRawValue") |
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session.setValue(resolvedSessionChargingStateMode.rawValue, forKey: "chargingStateRawValue") |
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session.setValue( |
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resolvedStopThreshold( |
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for: object, |
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chargingTransportMode: resolvedSessionChargingTransportMode, |
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chargingStateMode: resolvedSessionChargingStateMode, |
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charger: charger, |
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fallback: optionalDoubleValue(session, key: "stopThresholdAmps") |
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) ?? 0, |
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forKey: "stopThresholdAmps" |
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) |
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session.setValue(now, forKey: "updatedAt") |
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updateCapacityEstimate(for: session) |
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} |
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} |
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refreshDerivedMetrics(forChargedDeviceID: id.uuidString) |
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didSave = saveContext() |
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} |
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return didSave |
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} |
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@discardableResult |
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func updateCharger( |
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id: UUID, |
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name: String, |
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chargerType: ChargerType, |
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notes: String? |
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) -> Bool {
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let normalizedName = normalizedText(name) |
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guard !normalizedName.isEmpty else { return false }
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var didSave = false |
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context.performAndWait {
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guard let object = fetchChargedDeviceObject(id: id.uuidString) else {
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return |
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} |
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guard isChargerObject(object) else {
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return |
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} |
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object.setValue(normalizedName, forKey: "name") |
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object.setValue(nil, forKey: "deviceTemplateID") |
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object.setValue(ChargingStateAvailability.onOnly.rawValue, forKey: "chargingStateAvailabilityRawValue") |
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object.setValue(false, forKey: "supportsChargingWhileOff") |
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object.setValue(false, forKey: "supportsWiredCharging") |
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object.setValue(true, forKey: "supportsWirelessCharging") |
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if object.entity.attributesByName["chargerTypeRawValue"] != nil {
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object.setValue(chargerType.rawValue, forKey: "chargerTypeRawValue") |
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} |
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object.setValue(chargerType.wirelessChargingProfile.rawValue, forKey: "wirelessChargingProfileRawValue") |
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object.setValue(normalizedOptionalText(notes), forKey: "notes") |
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object.setValue(Date(), forKey: "updatedAt") |
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refreshDerivedMetrics(forChargedDeviceID: id.uuidString) |
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didSave = saveContext() |
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} |
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return didSave |
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} |
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@discardableResult |
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func assignChargedDevice(id: UUID, to meterMACAddress: String) -> Bool {
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assign(itemWithID: id, to: meterMACAddress, kind: .chargedDevice) |
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} |
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| 371 | ||
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@discardableResult |
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func assignCharger(id: UUID, to meterMACAddress: String) -> Bool {
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assign(itemWithID: id, to: meterMACAddress, kind: .charger) |
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} |
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| 376 | ||
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@discardableResult |
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private func assign( |
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itemWithID id: UUID, |
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| 380 |
to meterMACAddress: String, |
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kind: MeterAssignmentKind |
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) -> Bool {
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let normalizedMAC = normalizedMACAddress(meterMACAddress) |
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guard !normalizedMAC.isEmpty else { return false }
|
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| 385 | ||
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var didSave = false |
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context.performAndWait {
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| 388 |
guard let object = fetchChargedDeviceObject(id: id.uuidString) else {
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return |
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} |
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| 391 | ||
| 392 |
let isCharger = ChargedDeviceClass(rawValue: stringValue(object, key: "deviceClassRawValue") ?? "") == .charger |
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guard isCharger == kind.expectsChargerClass else {
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return |
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} |
|
| 396 | ||
| 397 |
let request = NSFetchRequest<NSManagedObject>(entityName: EntityName.chargedDevice) |
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| 398 |
request.predicate = NSPredicate( |
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format: "lastAssociatedMeterMAC == %@ AND id != %@", |
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| 400 |
normalizedMAC, |
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| 401 |
id.uuidString |
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) |
|
| 403 |
let previouslyAssignedDevices = (try? context.fetch(request)) ?? [] |
|
| 404 |
for previousDevice in previouslyAssignedDevices {
|
|
| 405 |
let previousIsCharger = ChargedDeviceClass(rawValue: stringValue(previousDevice, key: "deviceClassRawValue") ?? "") == .charger |
|
| 406 |
guard previousIsCharger == kind.expectsChargerClass else {
|
|
| 407 |
continue |
|
| 408 |
} |
|
| 409 |
previousDevice.setValue(nil, forKey: "lastAssociatedMeterMAC") |
|
| 410 |
previousDevice.setValue(Date(), forKey: "updatedAt") |
|
| 411 |
} |
|
| 412 | ||
| 413 |
object.setValue(normalizedMAC, forKey: "lastAssociatedMeterMAC") |
|
| 414 |
object.setValue(Date(), forKey: "updatedAt") |
|
| 415 | ||
| 416 |
if kind == .charger, |
|
| 417 |
let openSession = fetchOpenSessionObject(forMeterMACAddress: normalizedMAC), |
|
| 418 |
chargingTransportMode(for: openSession) == .wireless {
|
|
| 419 |
openSession.setValue(id.uuidString, forKey: "chargerID") |
|
| 420 |
openSession.setValue(Date(), forKey: "updatedAt") |
|
| 421 |
} |
|
| 422 | ||
| 423 |
didSave = saveContext() |
|
| 424 |
} |
|
| 425 |
return didSave |
|
| 426 |
} |
|
| 427 | ||
| 428 |
@discardableResult |
|
| 429 |
func startSession( |
|
| 430 |
for snapshot: ChargingMonitorSnapshot, |
|
| 431 |
chargedDeviceID: UUID, |
|
| 432 |
chargerID: UUID?, |
|
| 433 |
chargingTransportMode: ChargingTransportMode, |
|
| 434 |
chargingStateMode: ChargingStateMode, |
|
| 435 |
autoStopEnabled: Bool, |
|
| 436 |
initialBatteryPercent: Double?, |
|
| 437 |
startsFromFlatBattery: Bool |
|
| 438 |
) -> Bool {
|
|
| 439 |
if let initialBatteryPercent, |
|
| 440 |
(initialBatteryPercent.isFinite == false || initialBatteryPercent < 0 || initialBatteryPercent > 100) {
|
|
| 441 |
return false |
|
| 442 |
} |
|
| 443 | ||
| 444 |
var didSave = false |
|
| 445 |
context.performAndWait {
|
|
| 446 |
guard let chargedDevice = fetchChargedDeviceObject(id: chargedDeviceID.uuidString) else {
|
|
| 447 |
return |
|
| 448 |
} |
|
| 449 |
guard isChargerObject(chargedDevice) == false else {
|
|
| 450 |
return |
|
| 451 |
} |
|
| 452 | ||
| 453 |
guard fetchOpenSessionObject(forMeterMACAddress: snapshot.meterMACAddress) == nil else {
|
|
| 454 |
return |
|
| 455 |
} |
|
| 456 | ||
| 457 |
let resolvedChargingTransportMode = resolvedPreferredChargingTransportMode( |
|
| 458 |
chargingTransportMode, |
|
| 459 |
supportsWiredCharging: supportsWiredCharging(for: chargedDevice), |
|
| 460 |
supportsWirelessCharging: supportsWirelessCharging(for: chargedDevice) |
|
| 461 |
) |
|
| 462 |
let resolvedChargingStateMode = resolvedChargingStateMode( |
|
| 463 |
chargingStateMode, |
|
| 464 |
availability: chargingStateAvailability(for: chargedDevice) |
|
| 465 |
) |
|
| 466 |
let charger = resolvedChargingTransportMode == .wireless |
|
| 467 |
? chargerID.flatMap { fetchChargedDeviceObject(id: $0.uuidString) }
|
|
| 468 |
: nil |
|
| 469 |
if let charger, isChargerObject(charger) == false {
|
|
| 470 |
return |
|
| 471 |
} |
|
| 472 |
guard resolvedChargingTransportMode == .wired || charger != nil else {
|
|
| 473 |
return |
|
| 474 |
} |
|
| 475 |
let stopThreshold = resolvedStopThreshold( |
|
| 476 |
for: chargedDevice, |
|
| 477 |
chargingTransportMode: resolvedChargingTransportMode, |
|
| 478 |
chargingStateMode: resolvedChargingStateMode, |
|
| 479 |
charger: charger, |
|
| 480 |
fallback: snapshot.fallbackStopThresholdAmps > 0 ? snapshot.fallbackStopThresholdAmps : nil |
|
| 481 |
) |
|
| 482 |
guard let session = createSessionObject( |
|
| 483 |
for: chargedDevice, |
|
| 484 |
charger: charger, |
|
| 485 |
snapshot: snapshot, |
|
| 486 |
stopThreshold: stopThreshold, |
|
| 487 |
chargingTransportMode: resolvedChargingTransportMode, |
|
| 488 |
chargingStateMode: resolvedChargingStateMode, |
|
| 489 |
autoStopEnabled: autoStopEnabled |
|
| 490 |
) else {
|
|
| 491 |
return |
|
| 492 |
} |
|
| 493 | ||
| 494 |
if startsFromFlatBattery {
|
|
| 495 |
session.setValue(unresolvedFlatBatteryPercent, forKey: "startBatteryPercent") |
|
| 496 |
session.setValue(nil, forKey: "endBatteryPercent") |
|
| 497 |
} else if let initialBatteryPercent {
|
|
| 498 |
guard insertBatteryCheckpoint( |
|
| 499 |
percent: initialBatteryPercent, |
|
| 500 |
flag: .initial, |
|
| 501 |
timestamp: snapshot.observedAt, |
|
| 502 |
to: session |
|
| 503 |
) != nil else {
|
|
| 504 |
return |
|
| 505 |
} |
|
| 506 |
} |
|
| 507 |
didSave = saveContext() |
|
| 508 |
} |
|
| 509 |
return didSave |
|
| 510 |
} |
|
| 511 | ||
| 512 |
@discardableResult |
|
| 513 |
func pauseSession(id sessionID: UUID, observedAt: Date) -> Bool {
|
|
| 514 |
var didSave = false |
|
| 515 |
context.performAndWait {
|
|
| 516 |
guard let session = fetchSessionObject(id: sessionID.uuidString) else {
|
|
| 517 |
return |
|
| 518 |
} |
|
| 519 | ||
| 520 |
guard statusValue(session, key: "statusRawValue") == .active else {
|
|
| 521 |
return |
|
| 522 |
} |
|
| 523 | ||
| 524 |
session.setValue(ChargeSessionStatus.paused.rawValue, forKey: "statusRawValue") |
|
| 525 |
session.setValue(observedAt, forKey: "pausedAt") |
|
| 526 |
session.setValue(nil, forKey: "belowThresholdSince") |
|
| 527 |
clearCompletionConfirmationState(for: session) |
|
| 528 |
session.setValue(observedAt, forKey: "updatedAt") |
|
| 529 |
didSave = saveContext() |
|
| 530 |
} |
|
| 531 |
return didSave |
|
| 532 |
} |
|
| 533 | ||
| 534 |
@discardableResult |
|
| 535 |
func resumeSession(id sessionID: UUID, snapshot: ChargingMonitorSnapshot?) -> Bool {
|
|
| 536 |
var didSave = false |
|
| 537 |
context.performAndWait {
|
|
| 538 |
guard let session = fetchSessionObject(id: sessionID.uuidString) else {
|
|
| 539 |
return |
|
| 540 |
} |
|
| 541 | ||
| 542 |
guard statusValue(session, key: "statusRawValue") == .paused else {
|
|
| 543 |
return |
|
| 544 |
} |
|
| 545 | ||
| 546 |
let resumedAt = snapshot?.observedAt ?? Date() |
|
| 547 |
if let completionDate = automaticCompletionDate(for: session, referenceDate: resumedAt) {
|
|
| 548 |
finishSession( |
|
| 549 |
session, |
|
| 550 |
observedAt: completionDate, |
|
| 551 |
finalBatteryPercent: nil, |
|
| 552 |
status: .completed |
|
| 553 |
) |
|
| 554 |
guard saveContext() else {
|
|
| 555 |
return |
|
| 556 |
} |
|
| 557 |
if let deviceID = stringValue(session, key: "chargedDeviceID") {
|
|
| 558 |
refreshDerivedMetrics(forChargedDeviceID: deviceID) |
|
| 559 |
didSave = saveContext() |
|
| 560 |
} else {
|
|
| 561 |
didSave = true |
|
| 562 |
} |
|
| 563 |
return |
|
| 564 |
} |
|
| 565 | ||
| 566 |
session.setValue(ChargeSessionStatus.active.rawValue, forKey: "statusRawValue") |
|
| 567 |
session.setValue(nil, forKey: "pausedAt") |
|
| 568 |
session.setValue(nil, forKey: "belowThresholdSince") |
|
| 569 |
clearCompletionConfirmationState(for: session) |
|
| 570 |
session.setValue(resumedAt, forKey: "lastObservedAt") |
|
| 571 |
if let snapshot {
|
|
| 572 |
session.setValue(snapshot.currentAmps, forKey: "lastObservedCurrentAmps") |
|
| 573 |
session.setValue(snapshot.powerWatts, forKey: "lastObservedPowerWatts") |
|
| 574 |
session.setValue( |
|
| 575 |
chargingTransportMode(for: session) == .wired ? snapshot.voltageVolts : nil, |
|
| 576 |
forKey: "lastObservedVoltageVolts" |
|
| 577 |
) |
|
| 578 |
} else {
|
|
| 579 |
session.setValue(0, forKey: "lastObservedCurrentAmps") |
|
| 580 |
session.setValue(0, forKey: "lastObservedPowerWatts") |
|
| 581 |
session.setValue(nil, forKey: "lastObservedVoltageVolts") |
|
| 582 |
} |
|
| 583 |
session.setValue(resumedAt, forKey: "updatedAt") |
|
| 584 |
didSave = saveContext() |
|
| 585 |
} |
|
| 586 |
return didSave |
|
| 587 |
} |
|
| 588 | ||
| 589 |
@discardableResult |
|
| 590 |
func stopSession( |
|
| 591 |
id sessionID: UUID, |
|
| 592 |
finalBatteryPercent: Double? = nil |
|
| 593 |
) -> Bool {
|
|
| 594 |
if let finalBatteryPercent {
|
|
| 595 |
guard finalBatteryPercent.isFinite, finalBatteryPercent >= 0, finalBatteryPercent <= 100 else {
|
|
| 596 |
return false |
|
| 597 |
} |
|
| 598 |
} |
|
| 599 | ||
| 600 |
var didSave = false |
|
| 601 |
var deviceIDToRefresh: String? |
|
| 602 | ||
| 603 |
context.performAndWait {
|
|
| 604 |
guard let session = fetchSessionObject(id: sessionID.uuidString) else {
|
|
| 605 |
return |
|
| 606 |
} |
|
| 607 | ||
| 608 |
guard statusValue(session, key: "statusRawValue")?.isOpen == true else {
|
|
| 609 |
return |
|
| 610 |
} |
|
| 611 | ||
| 612 |
let observedAt = snapshotDateForManualStop(session) |
|
| 613 |
finishSession( |
|
| 614 |
session, |
|
| 615 |
observedAt: observedAt, |
|
| 616 |
finalBatteryPercent: finalBatteryPercent, |
|
| 617 |
status: .completed |
|
| 618 |
) |
|
| 619 | ||
| 620 |
guard saveContext() else {
|
|
| 621 |
return |
|
| 622 |
} |
|
| 623 | ||
| 624 |
didSave = true |
|
| 625 |
deviceIDToRefresh = stringValue(session, key: "chargedDeviceID") |
|
| 626 |
} |
|
| 627 | ||
| 628 |
if let deviceID = deviceIDToRefresh {
|
|
| 629 |
context.perform { [weak self] in
|
|
| 630 |
guard let self else { return }
|
|
| 631 |
self.refreshDerivedMetrics(forChargedDeviceID: deviceID) |
|
| 632 |
self.saveContext() |
|
| 633 |
} |
|
| 634 |
} |
|
| 635 | ||
| 636 |
return didSave |
|
| 637 |
} |
|
| 638 | ||
| 639 |
@discardableResult |
|
| 640 |
func addBatteryCheckpoint( |
|
| 641 |
percent: Double, |
|
| 642 |
for meterMACAddress: String, |
|
| 643 |
measuredEnergyWh: Double? = nil, |
|
| 644 |
measuredChargeAh: Double? = nil |
|
| 645 |
) -> Bool {
|
|
| 646 |
guard percent.isFinite, percent >= 0, percent <= 100 else {
|
|
| 647 |
return false |
|
| 648 |
} |
|
| 649 | ||
| 650 |
var didSave = false |
|
| 651 |
context.performAndWait {
|
|
| 652 |
guard let session = fetchOpenSessionObject(forMeterMACAddress: meterMACAddress) else {
|
|
| 653 |
return |
|
| 654 |
} |
|
| 655 | ||
| 656 |
didSave = addBatteryCheckpoint( |
|
| 657 |
percent: percent, |
|
| 658 |
measuredEnergyWh: measuredEnergyWh, |
|
| 659 |
measuredChargeAh: measuredChargeAh, |
|
| 660 |
flag: .intermediate, |
|
| 661 |
to: session |
|
| 662 |
) |
|
| 663 |
} |
|
| 664 |
return didSave |
|
| 665 |
} |
|
| 666 | ||
| 667 |
@discardableResult |
|
| 668 |
func addBatteryCheckpoint( |
|
| 669 |
percent: Double, |
|
| 670 |
for sessionID: UUID, |
|
| 671 |
measuredEnergyWh: Double? = nil, |
|
| 672 |
measuredChargeAh: Double? = nil |
|
| 673 |
) -> Bool {
|
|
| 674 |
guard percent.isFinite, percent >= 0, percent <= 100 else {
|
|
| 675 |
return false |
|
| 676 |
} |
|
| 677 | ||
| 678 |
var didSave = false |
|
| 679 |
context.performAndWait {
|
|
| 680 |
guard let session = fetchSessionObject(id: sessionID.uuidString) else {
|
|
| 681 |
return |
|
| 682 |
} |
|
| 683 | ||
| 684 |
didSave = addBatteryCheckpoint( |
|
| 685 |
percent: percent, |
|
| 686 |
measuredEnergyWh: measuredEnergyWh, |
|
| 687 |
measuredChargeAh: measuredChargeAh, |
|
| 688 |
flag: .intermediate, |
|
| 689 |
to: session |
|
| 690 |
) |
|
| 691 |
} |
|
| 692 |
return didSave |
|
| 693 |
} |
|
| 694 | ||
| 695 |
@discardableResult |
|
| 696 |
func deleteBatteryCheckpoint( |
|
| 697 |
id checkpointID: UUID, |
|
| 698 |
from sessionID: UUID |
|
| 699 |
) -> Bool {
|
|
| 700 |
var didSave = false |
|
| 701 |
context.performAndWait {
|
|
| 702 |
guard let session = fetchSessionObject(id: sessionID.uuidString), |
|
| 703 |
let checkpoint = fetchCheckpointObject( |
|
| 704 |
id: checkpointID.uuidString, |
|
| 705 |
sessionID: sessionID.uuidString |
|
| 706 |
) else {
|
|
| 707 |
return |
|
| 708 |
} |
|
| 709 | ||
| 710 |
let chargedDeviceID = stringValue(session, key: "chargedDeviceID") |
|
| 711 |
context.delete(checkpoint) |
|
| 712 |
refreshCheckpointDerivedValues(for: session) |
|
| 713 | ||
| 714 |
if let chargedDeviceID {
|
|
| 715 |
refreshDerivedMetrics(forChargedDeviceID: chargedDeviceID) |
|
| 716 |
} |
|
| 717 | ||
| 718 |
didSave = saveContext() |
|
| 719 |
} |
|
| 720 |
return didSave |
|
| 721 |
} |
|
| 722 | ||
| 723 |
@discardableResult |
|
| 724 |
func setTargetBatteryPercent(_ percent: Double?, for sessionID: UUID) -> Bool {
|
|
| 725 |
if let percent, (!percent.isFinite || percent <= 0 || percent > 100) {
|
|
| 726 |
return false |
|
| 727 |
} |
|
| 728 | ||
| 729 |
var didSave = false |
|
| 730 |
context.performAndWait {
|
|
| 731 |
guard let session = fetchSessionObject(id: sessionID.uuidString) else {
|
|
| 732 |
return |
|
| 733 |
} |
|
| 734 | ||
| 735 |
session.setValue(percent, forKey: "targetBatteryPercent") |
|
| 736 |
session.setValue(nil, forKey: "targetBatteryAlertTriggeredAt") |
|
| 737 |
session.setValue(Date(), forKey: "updatedAt") |
|
| 738 |
didSave = saveContext() |
|
| 739 |
} |
|
| 740 |
return didSave |
|
| 741 |
} |
|
| 742 | ||
| 743 |
@discardableResult |
|
| 744 |
func confirmCompletion(for sessionID: UUID) -> Bool {
|
|
| 745 |
var didSave = false |
|
| 746 |
context.performAndWait {
|
|
| 747 |
guard let session = fetchSessionObject(id: sessionID.uuidString) else {
|
|
| 748 |
return |
|
| 749 |
} |
|
| 750 | ||
| 751 |
guard statusValue(session, key: "statusRawValue") == .active else {
|
|
| 752 |
return |
|
| 753 |
} |
|
| 754 | ||
| 755 |
finishSession( |
|
| 756 |
session, |
|
| 757 |
observedAt: dateValue(session, key: "lastObservedAt") ?? Date(), |
|
| 758 |
finalBatteryPercent: nil, |
|
| 759 |
status: .completed |
|
| 760 |
) |
|
| 761 | ||
| 762 |
if saveContext() {
|
|
| 763 |
if let deviceID = stringValue(session, key: "chargedDeviceID") {
|
|
| 764 |
refreshDerivedMetrics(forChargedDeviceID: deviceID) |
|
| 765 |
didSave = saveContext() |
|
| 766 |
} else {
|
|
| 767 |
didSave = true |
|
| 768 |
} |
|
| 769 |
} |
|
| 770 |
} |
|
| 771 |
return didSave |
|
| 772 |
} |
|
| 773 | ||
| 774 |
@discardableResult |
|
| 775 |
func continueMonitoringDespiteCompletionContradiction(for sessionID: UUID) -> Bool {
|
|
| 776 |
var didSave = false |
|
| 777 |
context.performAndWait {
|
|
| 778 |
guard let session = fetchSessionObject(id: sessionID.uuidString) else {
|
|
| 779 |
return |
|
| 780 |
} |
|
| 781 | ||
| 782 |
guard statusValue(session, key: "statusRawValue") == .active else {
|
|
| 783 |
return |
|
| 784 |
} |
|
| 785 | ||
| 786 |
clearCompletionConfirmationState(for: session) |
|
| 787 |
session.setValue(nil, forKey: "belowThresholdSince") |
|
| 788 |
session.setValue(Date().addingTimeInterval(completionConfirmationCooldown), forKey: "completionConfirmationCooldownUntil") |
|
| 789 |
session.setValue(Date(), forKey: "updatedAt") |
|
| 790 |
didSave = saveContext() |
|
| 791 |
} |
|
| 792 |
return didSave |
|
| 793 |
} |
|
| 794 | ||
| 795 |
@discardableResult |
|
| 796 |
func setSessionTrim(sessionID: UUID, start: Date?, end: Date?) -> Bool {
|
|
| 797 |
var didSave = false |
|
| 798 |
context.performAndWait {
|
|
| 799 |
guard let session = fetchSessionObject(id: sessionID.uuidString) else {
|
|
| 800 |
return |
|
| 801 |
} |
|
| 802 | ||
| 803 |
let sessionStart = dateValue(session, key: "startedAt") ?? Date.distantPast |
|
| 804 |
let sessionEnd = dateValue(session, key: "endedAt") |
|
| 805 |
?? dateValue(session, key: "lastObservedAt") |
|
| 806 |
?? Date.distantFuture |
|
| 807 | ||
| 808 |
let effectiveStart = min(max(start ?? sessionStart, sessionStart), sessionEnd) |
|
| 809 |
let effectiveEnd = max(min(end ?? sessionEnd, sessionEnd), effectiveStart) |
|
| 810 |
let persistedStart = effectiveStart == sessionStart ? nil : effectiveStart |
|
| 811 |
let persistedEnd = effectiveEnd == sessionEnd ? nil : effectiveEnd |
|
| 812 | ||
| 813 |
let allSamples = fetchSessionSampleObjects(forSessionID: sessionID.uuidString) |
|
| 814 |
.compactMap { obj -> (timestamp: Date, energy: Double, charge: Double)? in
|
|
| 815 |
guard let ts = dateValue(obj, key: "timestamp") else { return nil }
|
|
| 816 |
return ( |
|
| 817 |
timestamp: ts, |
|
| 818 |
energy: doubleValue(obj, key: "measuredEnergyWh"), |
|
| 819 |
charge: doubleValue(obj, key: "measuredChargeAh") |
|
| 820 |
) |
|
| 821 |
} |
|
| 822 |
.sorted { $0.timestamp < $1.timestamp }
|
|
| 823 | ||
| 824 |
// Each sample stores cumulative energy since session start. |
|
| 825 |
// Trimmed energy = value at trimEnd - value just before trimStart. |
|
| 826 |
let baselineSample = allSamples.last { $0.timestamp <= effectiveStart }
|
|
| 827 |
let endSample = allSamples.last { $0.timestamp <= effectiveEnd }
|
|
| 828 |
let baselineEnergy = baselineSample?.energy ?? 0 |
|
| 829 |
let baselineCharge = baselineSample?.charge ?? 0 |
|
| 830 | ||
| 831 |
if let endSample {
|
|
| 832 |
let trimmedEnergy = max(endSample.energy - baselineEnergy, 0) |
|
| 833 |
let trimmedCharge = max(endSample.charge - baselineCharge, 0) |
|
| 834 |
session.setValue(trimmedEnergy, forKey: "measuredEnergyWh") |
|
| 835 |
session.setValue(trimmedCharge, forKey: "measuredChargeAh") |
|
| 836 |
} else {
|
|
| 837 |
session.setValue(0, forKey: "measuredEnergyWh") |
|
| 838 |
session.setValue(0, forKey: "measuredChargeAh") |
|
| 839 |
} |
|
| 840 | ||
| 841 |
session.setValue(persistedStart, forKey: "trimStart") |
|
| 842 |
session.setValue(persistedEnd, forKey: "trimEnd") |
|
| 843 |
session.setValue(Date(), forKey: "updatedAt") |
|
| 844 | ||
| 845 |
let checkpoints = fetchCheckpointObjects(forSessionID: sessionID.uuidString) |
|
| 846 |
for checkpoint in checkpoints {
|
|
| 847 |
guard let timestamp = dateValue(checkpoint, key: "timestamp") else { continue }
|
|
| 848 | ||
| 849 |
if timestamp < effectiveStart || timestamp > effectiveEnd {
|
|
| 850 |
context.delete(checkpoint) |
|
| 851 |
continue |
|
| 852 |
} |
|
| 853 | ||
| 854 |
let checkpointSample = allSamples.last { $0.timestamp <= timestamp }
|
|
| 855 |
let rebasedEnergy = max((checkpointSample?.energy ?? baselineEnergy) - baselineEnergy, 0) |
|
| 856 |
let rebasedCharge = max((checkpointSample?.charge ?? baselineCharge) - baselineCharge, 0) |
|
| 857 |
checkpoint.setValue(rebasedEnergy, forKey: "measuredEnergyWh") |
|
| 858 |
checkpoint.setValue(rebasedCharge, forKey: "measuredChargeAh") |
|
| 859 |
} |
|
| 860 | ||
| 861 |
let remainingCheckpoints = fetchCheckpointObjects(forSessionID: sessionID.uuidString) |
|
| 862 |
.sorted {
|
|
| 863 |
(dateValue($0, key: "timestamp") ?? .distantPast) |
|
| 864 |
< (dateValue($1, key: "timestamp") ?? .distantPast) |
|
| 865 |
} |
|
| 866 |
let restoredInitialCheckpoint = remainingCheckpoints.first { checkpoint in
|
|
| 867 |
let label = stringValue(checkpoint, key: "label") |
|
| 868 |
let timestamp = dateValue(checkpoint, key: "timestamp") ?? .distantFuture |
|
| 869 |
return ChargeCheckpointFlag.fromStoredLabel(label) == .initial || timestamp <= effectiveStart |
|
| 870 |
} |
|
| 871 | ||
| 872 |
if persistedStart == nil {
|
|
| 873 |
if let restoredInitialCheckpoint, |
|
| 874 |
let percent = optionalDoubleValue(restoredInitialCheckpoint, key: "batteryPercent"), |
|
| 875 |
percent >= 0 {
|
|
| 876 |
session.setValue(percent, forKey: "startBatteryPercent") |
|
| 877 |
} |
|
| 878 |
} else {
|
|
| 879 |
session.setValue(nil, forKey: "startBatteryPercent") |
|
| 880 |
} |
|
| 881 | ||
| 882 |
refreshCheckpointDerivedValues(for: session) |
|
| 883 | ||
| 884 |
if let chargedDeviceID = stringValue(session, key: "chargedDeviceID") {
|
|
| 885 |
refreshDerivedMetrics(forChargedDeviceID: chargedDeviceID) |
|
| 886 |
} |
|
| 887 | ||
| 888 |
didSave = saveContext() |
|
| 889 |
} |
|
| 890 |
return didSave |
|
| 891 |
} |
|
| 892 | ||
| 893 |
@discardableResult |
|
| 894 |
func deleteChargeSession(id sessionID: UUID) -> Bool {
|
|
| 895 |
var didSave = false |
|
| 896 |
context.performAndWait {
|
|
| 897 |
guard let session = fetchSessionObject(id: sessionID.uuidString) else {
|
|
| 898 |
return |
|
| 899 |
} |
|
| 900 | ||
| 901 |
let chargedDeviceID = stringValue(session, key: "chargedDeviceID") |
|
| 902 | ||
| 903 |
fetchCheckpointObjects(forSessionID: sessionID.uuidString).forEach(context.delete) |
|
| 904 |
fetchSessionSampleObjects(forSessionID: sessionID.uuidString).forEach(context.delete) |
|
| 905 |
context.delete(session) |
|
| 906 | ||
| 907 |
guard saveContext() else {
|
|
| 908 |
return |
|
| 909 |
} |
|
| 910 | ||
| 911 |
if let chargedDeviceID {
|
|
| 912 |
refreshDerivedMetrics(forChargedDeviceID: chargedDeviceID) |
|
| 913 |
didSave = saveContext() |
|
| 914 |
} else {
|
|
| 915 |
didSave = true |
|
| 916 |
} |
|
| 917 |
} |
|
| 918 |
return didSave |
|
| 919 |
} |
|
| 920 | ||
| 921 |
@discardableResult |
|
| 922 |
func deleteChargedDevice(id chargedDeviceID: UUID) -> Bool {
|
|
| 923 |
var didSave = false |
|
| 924 | ||
| 925 |
context.performAndWait {
|
|
| 926 |
guard let chargedDevice = fetchChargedDeviceObject(id: chargedDeviceID.uuidString) else {
|
|
| 927 |
return |
|
| 928 |
} |
|
| 929 | ||
| 930 |
let deviceClass = ChargedDeviceClass(rawValue: stringValue(chargedDevice, key: "deviceClassRawValue") ?? "") |
|
| 931 |
let deviceSessions = fetchSessions(forChargedDeviceID: chargedDeviceID.uuidString) |
|
| 932 |
let linkedWirelessSessions = fetchSessions(forChargerID: chargedDeviceID.uuidString) |
|
| 933 | ||
| 934 |
var impactedChargedDeviceIDs = Set<String>() |
|
| 935 | ||
| 936 |
for session in deviceSessions {
|
|
| 937 |
if let impactedID = stringValue(session, key: "chargedDeviceID") {
|
|
| 938 |
impactedChargedDeviceIDs.insert(impactedID) |
|
| 939 |
} |
|
| 940 |
if let impactedChargerID = stringValue(session, key: "chargerID") {
|
|
| 941 |
impactedChargedDeviceIDs.insert(impactedChargerID) |
|
| 942 |
} |
|
| 943 |
if let sessionID = stringValue(session, key: "id") {
|
|
| 944 |
fetchCheckpointObjects(forSessionID: sessionID).forEach(context.delete) |
|
| 945 |
fetchSessionSampleObjects(forSessionID: sessionID).forEach(context.delete) |
|
| 946 |
} |
|
| 947 |
context.delete(session) |
|
| 948 |
} |
|
| 949 | ||
| 950 |
if deviceClass == .charger {
|
|
| 951 |
for session in linkedWirelessSessions {
|
|
| 952 |
guard stringValue(session, key: "chargedDeviceID") != chargedDeviceID.uuidString else {
|
|
| 953 |
continue |
|
| 954 |
} |
|
| 955 |
if let impactedID = stringValue(session, key: "chargedDeviceID") {
|
|
| 956 |
impactedChargedDeviceIDs.insert(impactedID) |
|
| 957 |
} |
|
| 958 |
session.setValue(nil, forKey: "chargerID") |
|
| 959 |
session.setValue(Date(), forKey: "updatedAt") |
|
| 960 |
} |
|
| 961 |
} |
|
| 962 | ||
| 963 |
context.delete(chargedDevice) |
|
| 964 | ||
| 965 |
guard saveContext() else {
|
|
| 966 |
return |
|
| 967 |
} |
|
| 968 | ||
| 969 |
impactedChargedDeviceIDs.remove(chargedDeviceID.uuidString) |
|
| 970 |
for impactedID in impactedChargedDeviceIDs {
|
|
| 971 |
refreshDerivedMetrics(forChargedDeviceID: impactedID) |
|
| 972 |
} |
|
| 973 |
didSave = saveContext() |
|
| 974 |
} |
|
| 975 | ||
| 976 |
return didSave |
|
| 977 |
} |
|
| 978 | ||
| 979 |
@discardableResult |
|
| 980 |
func observe(snapshot: ChargingMonitorSnapshot) -> Bool {
|
|
| 981 |
var didSave = false |
|
| 982 | ||
| 983 |
context.performAndWait {
|
|
| 984 |
guard let session = fetchOpenSessionObject(forMeterMACAddress: snapshot.meterMACAddress), |
|
| 985 |
let resolvedDevice = stringValue(session, key: "chargedDeviceID").flatMap(fetchChargedDeviceObject(id:)) else {
|
|
| 986 |
return |
|
| 987 |
} |
|
| 988 | ||
| 989 |
if statusValue(session, key: "statusRawValue") == .paused {
|
|
| 990 |
if maybeCompleteOpenSession(session, observedAt: snapshot.observedAt) {
|
|
| 991 |
didSave = true |
|
| 992 |
} |
|
| 993 |
return |
|
| 994 |
} |
|
| 995 | ||
| 996 |
let chargingTransportMode = self.chargingTransportMode(for: session) |
|
| 997 |
let chargingStateMode = self.chargingStateMode(for: session) |
|
| 998 |
let charger = chargingTransportMode == .wireless |
|
| 999 |
? stringValue(session, key: "chargerID").flatMap(fetchChargedDeviceObject(id:)) |
|
| 1000 |
: nil |
|
| 1001 |
guard chargingTransportMode == .wired || charger != nil else {
|
|
| 1002 |
return |
|
| 1003 |
} |
|
| 1004 |
let stopThreshold = resolvedStopThreshold( |
|
| 1005 |
for: resolvedDevice, |
|
| 1006 |
chargingTransportMode: chargingTransportMode, |
|
| 1007 |
chargingStateMode: chargingStateMode, |
|
| 1008 |
charger: charger, |
|
| 1009 |
fallback: optionalDoubleValue(session, key: "stopThresholdAmps") |
|
| 1010 |
) |
|
| 1011 | ||
| 1012 |
let sessionSnapshot = snapshotClampedToMaximumDuration(snapshot, for: session) |
|
| 1013 |
update(session: session, with: sessionSnapshot, stopThreshold: stopThreshold, charger: charger) |
|
| 1014 |
let aggregatedSample = updateAggregatedSample(session: session, with: sessionSnapshot) |
|
| 1015 |
if let completionDate = automaticCompletionDate(for: session, referenceDate: snapshot.observedAt), |
|
| 1016 |
statusValue(session, key: "statusRawValue")?.isOpen == true {
|
|
| 1017 |
finishSession( |
|
| 1018 |
session, |
|
| 1019 |
observedAt: completionDate, |
|
| 1020 |
finalBatteryPercent: nil, |
|
| 1021 |
status: .completed |
|
| 1022 |
) |
|
| 1023 |
} |
|
| 1024 | ||
| 1025 |
let saveReason = saveReason(for: session, observedAt: sessionSnapshot.observedAt) |
|
| 1026 |
let shouldPersistAggregatedCurve = aggregatedSample.map {
|
|
| 1027 |
shouldPersistAggregatedSample($0, observedAt: sessionSnapshot.observedAt) |
|
| 1028 |
} ?? false |
|
| 1029 | ||
| 1030 |
guard saveReason != .none || shouldPersistAggregatedCurve else {
|
|
| 1031 |
return |
|
| 1032 |
} |
|
| 1033 | ||
| 1034 |
session.setValue(sessionSnapshot.observedAt, forKey: "updatedAt") |
|
| 1035 | ||
| 1036 |
if saveContext() {
|
|
| 1037 |
if saveReason == .completed, let deviceID = stringValue(session, key: "chargedDeviceID") {
|
|
| 1038 |
refreshDerivedMetrics(forChargedDeviceID: deviceID) |
|
| 1039 |
didSave = saveContext() |
|
| 1040 |
} else {
|
|
| 1041 |
didSave = true |
|
| 1042 |
} |
|
| 1043 |
} |
|
| 1044 |
} |
|
| 1045 | ||
| 1046 |
return didSave |
|
| 1047 |
} |
|
| 1048 | ||
| 1049 |
func fetchChargedDeviceSummaries() -> [ChargedDeviceSummary] {
|
|
| 1050 |
var summaries: [ChargedDeviceSummary] = [] |
|
| 1051 | ||
| 1052 |
context.performAndWait {
|
|
| 1053 |
let devices = fetchObjects(entityName: EntityName.chargedDevice) |
|
| 1054 |
let sessions = fetchObjects(entityName: EntityName.chargeSession) |
|
| 1055 |
let checkpoints = fetchObjects(entityName: EntityName.chargeCheckpoint) |
|
| 1056 | ||
| 1057 |
let checkpointsBySessionID = Dictionary(grouping: checkpoints) { stringValue($0, key: "sessionID") ?? "" }
|
|
| 1058 |
let sessionsByDeviceID = Dictionary(grouping: sessions) { stringValue($0, key: "chargedDeviceID") ?? "" }
|
|
| 1059 |
let sessionsByChargerID = Dictionary(grouping: sessions) { stringValue($0, key: "chargerID") ?? "" }
|
|
| 1060 |
let sampleBackedSessionIDs = sampleBackedSessionIDs( |
|
| 1061 |
devices: devices, |
|
| 1062 |
sessionsByDeviceID: sessionsByDeviceID, |
|
| 1063 |
sessionsByChargerID: sessionsByChargerID |
|
| 1064 |
) |
|
| 1065 |
let samplesBySessionID = Dictionary( |
|
| 1066 |
grouping: fetchSessionSampleObjects(forSessionIDs: Array(sampleBackedSessionIDs)) |
|
| 1067 |
) { stringValue($0, key: "sessionID") ?? "" }
|
|
| 1068 | ||
| 1069 |
summaries = devices.compactMap { device in
|
|
| 1070 |
guard |
|
| 1071 |
let id = uuidValue(device, key: "id"), |
|
| 1072 |
let name = stringValue(device, key: "name"), |
|
| 1073 |
let qrIdentifier = stringValue(device, key: "qrIdentifier"), |
|
| 1074 |
let rawClass = stringValue(device, key: "deviceClassRawValue"), |
|
| 1075 |
let deviceClass = ChargedDeviceClass(rawValue: rawClass) |
|
| 1076 |
else {
|
|
| 1077 |
return nil |
|
| 1078 |
} |
|
| 1079 | ||
| 1080 |
let chargingStateAvailability = chargingStateAvailability(for: device) |
|
| 1081 |
let supportsWiredCharging = supportsWiredCharging(for: device) |
|
| 1082 |
let supportsWirelessCharging = supportsWirelessCharging(for: device) |
|
| 1083 |
let templateDefinition = templateDefinition(for: device) |
|
| 1084 | ||
| 1085 |
let sessionObjects = relevantSessionObjects( |
|
| 1086 |
for: id.uuidString, |
|
| 1087 |
deviceClass: deviceClass, |
|
| 1088 |
sessionsByDeviceID: sessionsByDeviceID, |
|
| 1089 |
sessionsByChargerID: sessionsByChargerID |
|
| 1090 |
) |
|
| 1091 |
let sessionSummaries = sessionObjects |
|
| 1092 |
.compactMap { session in
|
|
| 1093 |
makeSessionSummary( |
|
| 1094 |
from: session, |
|
| 1095 |
checkpoints: checkpointsBySessionID[stringValue(session, key: "id") ?? ""] ?? [], |
|
| 1096 |
samples: samplesBySessionID[stringValue(session, key: "id") ?? ""] ?? [] |
|
| 1097 |
) |
|
| 1098 |
} |
|
| 1099 |
.sorted { lhs, rhs in
|
|
| 1100 |
if lhs.status.isOpen && !rhs.status.isOpen {
|
|
| 1101 |
return true |
|
| 1102 |
} |
|
| 1103 |
if !lhs.status.isOpen && rhs.status.isOpen {
|
|
| 1104 |
return false |
|
| 1105 |
} |
|
| 1106 |
if lhs.status == .active && rhs.status == .paused {
|
|
| 1107 |
return true |
|
| 1108 |
} |
|
| 1109 |
if lhs.status == .paused && rhs.status == .active {
|
|
| 1110 |
return false |
|
| 1111 |
} |
|
| 1112 |
return lhs.startedAt > rhs.startedAt |
|
| 1113 |
} |
|
| 1114 | ||
| 1115 |
return ChargedDeviceSummary( |
|
| 1116 |
id: id, |
|
| 1117 |
qrIdentifier: qrIdentifier, |
|
| 1118 |
name: name, |
|
| 1119 |
deviceClass: deviceClass, |
|
| 1120 |
deviceTemplateID: stringValue(device, key: "deviceTemplateID"), |
|
| 1121 |
templateDefinition: templateDefinition, |
|
| 1122 |
supportsChargingWhileOff: chargingStateAvailability.supportsChargingWhileOff, |
|
| 1123 |
chargingStateAvailability: chargingStateAvailability, |
|
| 1124 |
supportsWiredCharging: supportsWiredCharging, |
|
| 1125 |
supportsWirelessCharging: supportsWirelessCharging, |
|
| 1126 |
chargerType: chargerType(for: device), |
|
| 1127 |
wirelessChargingProfile: wirelessChargingProfile(for: device), |
|
| 1128 |
configuredCompletionCurrents: decodedCompletionCurrents(from: device, key: "configuredCompletionCurrentsRawValue"), |
|
| 1129 |
learnedCompletionCurrents: decodedCompletionCurrents(from: device, key: "learnedCompletionCurrentsRawValue"), |
|
| 1130 |
wirelessChargerEfficiencyFactor: optionalDoubleValue(device, key: "wirelessChargerEfficiencyFactor"), |
|
| 1131 |
wiredChargeCompletionCurrentAmps: optionalDoubleValue(device, key: "wiredChargeCompletionCurrentAmps"), |
|
| 1132 |
wirelessChargeCompletionCurrentAmps: optionalDoubleValue(device, key: "wirelessChargeCompletionCurrentAmps"), |
|
| 1133 |
chargerObservedVoltageSelections: decodedObservedVoltageSelections(from: device), |
|
| 1134 |
chargerIdleCurrentAmps: optionalDoubleValue(device, key: "chargerIdleCurrentAmps"), |
|
| 1135 |
chargerEfficiencyFactor: optionalDoubleValue(device, key: "chargerEfficiencyFactor"), |
|
| 1136 |
chargerMaximumPowerWatts: optionalDoubleValue(device, key: "chargerMaximumPowerWatts"), |
|
| 1137 |
notes: stringValue(device, key: "notes"), |
|
| 1138 |
minimumCurrentAmps: optionalDoubleValue(device, key: "minimumCurrentAmps"), |
|
| 1139 |
estimatedBatteryCapacityWh: optionalDoubleValue(device, key: "estimatedBatteryCapacityWh"), |
|
| 1140 |
wiredMinimumCurrentAmps: optionalDoubleValue(device, key: "wiredMinimumCurrentAmps"), |
|
| 1141 |
wirelessMinimumCurrentAmps: optionalDoubleValue(device, key: "wirelessMinimumCurrentAmps"), |
|
| 1142 |
wiredEstimatedBatteryCapacityWh: optionalDoubleValue(device, key: "wiredEstimatedBatteryCapacityWh"), |
|
| 1143 |
wirelessEstimatedBatteryCapacityWh: optionalDoubleValue(device, key: "wirelessEstimatedBatteryCapacityWh"), |
|
| 1144 |
lastAssociatedMeterMAC: stringValue(device, key: "lastAssociatedMeterMAC"), |
|
| 1145 |
createdAt: dateValue(device, key: "createdAt") ?? .distantPast, |
|
| 1146 |
updatedAt: dateValue(device, key: "updatedAt") ?? .distantPast, |
|
| 1147 |
sessions: sessionSummaries, |
|
| 1148 |
capacityHistory: buildCapacityHistory(from: sessionSummaries), |
|
| 1149 |
typicalCurve: buildTypicalCurve(from: sessionSummaries), |
|
| 1150 |
standbyPowerMeasurements: [] |
|
| 1151 |
) |
|
| 1152 |
} |
|
| 1153 |
.sorted { lhs, rhs in
|
|
| 1154 |
if lhs.activeSession != nil && rhs.activeSession == nil {
|
|
| 1155 |
return true |
|
| 1156 |
} |
|
| 1157 |
if lhs.activeSession == nil && rhs.activeSession != nil {
|
|
| 1158 |
return false |
|
| 1159 |
} |
|
| 1160 |
if lhs.updatedAt != rhs.updatedAt {
|
|
| 1161 |
return lhs.updatedAt > rhs.updatedAt |
|
| 1162 |
} |
|
| 1163 |
return lhs.name.localizedCaseInsensitiveCompare(rhs.name) == .orderedAscending |
|
| 1164 |
} |
|
| 1165 |
} |
|
| 1166 | ||
| 1167 |
return summaries |
|
| 1168 |
} |
|
| 1169 | ||
| 1170 |
func resolvedChargedDeviceSummary(forMeterMACAddress meterMACAddress: String) -> ChargedDeviceSummary? {
|
|
| 1171 |
let normalizedMAC = normalizedMACAddress(meterMACAddress) |
|
| 1172 |
guard !normalizedMAC.isEmpty else { return nil }
|
|
| 1173 | ||
| 1174 |
let summaries = fetchChargedDeviceSummaries().filter { !$0.isCharger }
|
|
| 1175 | ||
| 1176 |
if let activeMatch = summaries.first(where: { summary in
|
|
| 1177 |
summary.activeSession?.meterMACAddress == normalizedMAC |
|
| 1178 |
}) {
|
|
| 1179 |
return activeMatch |
|
| 1180 |
} |
|
| 1181 | ||
| 1182 |
return summaries.first(where: { $0.lastAssociatedMeterMAC == normalizedMAC })
|
|
| 1183 |
} |
|
| 1184 | ||
| 1185 |
func activeChargeSessionSummary(forMeterMACAddress meterMACAddress: String) -> ChargeSessionSummary? {
|
|
| 1186 |
let normalizedMAC = normalizedMACAddress(meterMACAddress) |
|
| 1187 |
guard !normalizedMAC.isEmpty else { return nil }
|
|
| 1188 | ||
| 1189 |
var summary: ChargeSessionSummary? |
|
| 1190 | ||
| 1191 |
context.performAndWait {
|
|
| 1192 |
guard let session = fetchOpenSessionObject(forMeterMACAddress: normalizedMAC), |
|
| 1193 |
let sessionID = stringValue(session, key: "id") else {
|
|
| 1194 |
return |
|
| 1195 |
} |
|
| 1196 | ||
| 1197 |
summary = makeSessionSummary( |
|
| 1198 |
from: session, |
|
| 1199 |
checkpoints: fetchCheckpointObjects(forSessionID: sessionID), |
|
| 1200 |
samples: fetchSessionSampleObjects(forSessionID: sessionID) |
|
| 1201 |
) |
|
| 1202 |
} |
|
| 1203 | ||
| 1204 |
return summary |
|
| 1205 |
} |
|
| 1206 | ||
| 1207 |
private func createSessionObject( |
|
| 1208 |
for chargedDevice: NSManagedObject, |
|
| 1209 |
charger: NSManagedObject?, |
|
| 1210 |
snapshot: ChargingMonitorSnapshot, |
|
| 1211 |
stopThreshold: Double?, |
|
| 1212 |
chargingTransportMode: ChargingTransportMode, |
|
| 1213 |
chargingStateMode: ChargingStateMode, |
|
| 1214 |
autoStopEnabled: Bool |
|
| 1215 |
) -> NSManagedObject? {
|
|
| 1216 |
guard |
|
| 1217 |
let entity = NSEntityDescription.entity(forEntityName: EntityName.chargeSession, in: context), |
|
| 1218 |
let chargedDeviceID = stringValue(chargedDevice, key: "id") |
|
| 1219 |
else {
|
|
| 1220 |
return nil |
|
| 1221 |
} |
|
| 1222 | ||
| 1223 |
let session = NSManagedObject(entity: entity, insertInto: context) |
|
| 1224 |
let now = snapshot.observedAt |
|
| 1225 |
session.setValue(UUID().uuidString, forKey: "id") |
|
| 1226 |
session.setValue(chargedDeviceID, forKey: "chargedDeviceID") |
|
| 1227 |
session.setValue(charger.flatMap { stringValue($0, key: "id") }, forKey: "chargerID")
|
|
| 1228 |
session.setValue(snapshot.meterMACAddress, forKey: "meterMACAddress") |
|
| 1229 |
session.setValue(snapshot.meterName, forKey: "meterName") |
|
| 1230 |
session.setValue(snapshot.meterModel, forKey: "meterModel") |
|
| 1231 |
session.setValue(now, forKey: "startedAt") |
|
| 1232 |
session.setValue(now, forKey: "lastObservedAt") |
|
| 1233 |
session.setValue(ChargeSessionStatus.active.rawValue, forKey: "statusRawValue") |
|
| 1234 |
let usesMeterCounters = snapshot.meterEnergyCounterWh != nil || snapshot.meterChargeCounterAh != nil |
|
| 1235 |
session.setValue( |
|
| 1236 |
(usesMeterCounters ? ChargeSessionSourceMode.offline : .live).rawValue, |
|
| 1237 |
forKey: "sourceModeRawValue" |
|
| 1238 |
) |
|
| 1239 |
session.setValue(chargingTransportMode.rawValue, forKey: "chargingTransportRawValue") |
|
| 1240 |
session.setValue(chargingStateMode.rawValue, forKey: "chargingStateRawValue") |
|
| 1241 |
session.setValue(autoStopEnabled, forKey: "autoStopEnabled") |
|
| 1242 |
session.setValue(stopThreshold ?? 0, forKey: "stopThresholdAmps") |
|
| 1243 |
session.setValue(snapshot.voltageVolts, forKey: "selectedSourceVoltageVolts") |
|
| 1244 |
session.setValue(snapshot.currentAmps, forKey: "lastObservedCurrentAmps") |
|
| 1245 |
session.setValue(snapshot.powerWatts, forKey: "lastObservedPowerWatts") |
|
| 1246 |
session.setValue( |
|
| 1247 |
chargingTransportMode == .wired ? snapshot.voltageVolts : nil, |
|
| 1248 |
forKey: "lastObservedVoltageVolts" |
|
| 1249 |
) |
|
| 1250 |
session.setValue( |
|
| 1251 |
hasObservedChargeFlow( |
|
| 1252 |
currentAmps: snapshot.currentAmps, |
|
| 1253 |
chargingTransportMode: chargingTransportMode, |
|
| 1254 |
charger: charger, |
|
| 1255 |
stopThreshold: stopThreshold |
|
| 1256 |
), |
|
| 1257 |
forKey: "hasObservedChargeFlow" |
|
| 1258 |
) |
|
| 1259 |
session.setValue(snapshot.currentAmps, forKey: "minimumObservedCurrentAmps") |
|
| 1260 |
session.setValue(snapshot.currentAmps, forKey: "maximumObservedCurrentAmps") |
|
| 1261 |
session.setValue(snapshot.powerWatts, forKey: "maximumObservedPowerWatts") |
|
| 1262 |
session.setValue( |
|
| 1263 |
chargingTransportMode == .wired ? snapshot.voltageVolts : nil, |
|
| 1264 |
forKey: "maximumObservedVoltageVolts" |
|
| 1265 |
) |
|
| 1266 |
session.setValue(boolValue(chargedDevice, key: "supportsChargingWhileOff"), forKey: "supportsChargingWhileOff") |
|
| 1267 |
if let selectedDataGroup = snapshot.selectedDataGroup {
|
|
| 1268 |
session.setValue(Int16(selectedDataGroup), forKey: "selectedDataGroup") |
|
| 1269 |
} |
|
| 1270 |
if let meterEnergyCounterWh = snapshot.meterEnergyCounterWh {
|
|
| 1271 |
session.setValue(meterEnergyCounterWh, forKey: "meterEnergyBaselineWh") |
|
| 1272 |
session.setValue(meterEnergyCounterWh, forKey: "meterLastEnergyWh") |
|
| 1273 |
} |
|
| 1274 |
if let meterChargeCounterAh = snapshot.meterChargeCounterAh {
|
|
| 1275 |
session.setValue(meterChargeCounterAh, forKey: "meterChargeBaselineAh") |
|
| 1276 |
session.setValue(meterChargeCounterAh, forKey: "meterLastChargeAh") |
|
| 1277 |
} |
|
| 1278 |
if let meterRecordingDurationSeconds = snapshot.meterRecordingDurationSeconds {
|
|
| 1279 |
setValue(meterRecordingDurationSeconds, on: session, key: "meterDurationBaselineSeconds") |
|
| 1280 |
setValue(meterRecordingDurationSeconds, on: session, key: "meterLastDurationSeconds") |
|
| 1281 |
} |
|
| 1282 |
session.setValue(now, forKey: "createdAt") |
|
| 1283 |
session.setValue(now, forKey: "updatedAt") |
|
| 1284 | ||
| 1285 |
chargedDevice.setValue(snapshot.meterMACAddress, forKey: "lastAssociatedMeterMAC") |
|
| 1286 |
chargedDevice.setValue(now, forKey: "updatedAt") |
|
| 1287 |
return session |
|
| 1288 |
} |
|
| 1289 | ||
| 1290 |
private func update( |
|
| 1291 |
session: NSManagedObject, |
|
| 1292 |
with snapshot: ChargingMonitorSnapshot, |
|
| 1293 |
stopThreshold: Double?, |
|
| 1294 |
charger: NSManagedObject? |
|
| 1295 |
) {
|
|
| 1296 |
let sessionChargingTransportMode = chargingTransportMode(for: session) |
|
| 1297 |
let lastObservedAt = dateValue(session, key: "lastObservedAt") |
|
| 1298 |
let previousPower = doubleValue(session, key: "lastObservedPowerWatts") |
|
| 1299 |
let previousCurrent = doubleValue(session, key: "lastObservedCurrentAmps") |
|
| 1300 |
var measuredEnergyWh = doubleValue(session, key: "measuredEnergyWh") |
|
| 1301 |
var measuredChargeAh = doubleValue(session, key: "measuredChargeAh") |
|
| 1302 |
var sourceMode = ChargeSessionSourceMode(rawValue: stringValue(session, key: "sourceModeRawValue") ?? "") ?? .live |
|
| 1303 |
var usedOfflineMeterCounters = boolValue(session, key: "usedOfflineMeterCounters") |
|
| 1304 | ||
| 1305 |
if let lastObservedAt {
|
|
| 1306 |
let deltaSeconds = max(snapshot.observedAt.timeIntervalSince(lastObservedAt), 0) |
|
| 1307 |
if deltaSeconds > 0, deltaSeconds <= maximumLiveIntegrationGap {
|
|
| 1308 |
measuredEnergyWh += max(previousPower, 0) * deltaSeconds / 3600 |
|
| 1309 |
measuredChargeAh += max(previousCurrent, 0) * deltaSeconds / 3600 |
|
| 1310 |
if sourceMode == .offline {
|
|
| 1311 |
sourceMode = .blended |
|
| 1312 |
} |
|
| 1313 |
} |
|
| 1314 |
} |
|
| 1315 | ||
| 1316 |
if let counterGroup = snapshot.selectedDataGroup, |
|
| 1317 |
let storedGroup = optionalInt16Value(session, key: "selectedDataGroup"), |
|
| 1318 |
UInt8(storedGroup) != counterGroup {
|
|
| 1319 |
session.setValue(Int16(counterGroup), forKey: "selectedDataGroup") |
|
| 1320 |
session.setValue(snapshot.meterEnergyCounterWh, forKey: "meterEnergyBaselineWh") |
|
| 1321 |
session.setValue(snapshot.meterChargeCounterAh, forKey: "meterChargeBaselineAh") |
|
| 1322 |
} |
|
| 1323 | ||
| 1324 |
if let meterEnergyCounterWh = snapshot.meterEnergyCounterWh {
|
|
| 1325 |
let baselineEnergy = optionalDoubleValue(session, key: "meterEnergyBaselineWh") ?? meterEnergyCounterWh |
|
| 1326 |
let lastEnergy = optionalDoubleValue(session, key: "meterLastEnergyWh") |
|
| 1327 |
if optionalDoubleValue(session, key: "meterEnergyBaselineWh") == nil {
|
|
| 1328 |
session.setValue(baselineEnergy, forKey: "meterEnergyBaselineWh") |
|
| 1329 |
} |
|
| 1330 | ||
| 1331 |
if meterEnergyCounterWh + counterDecreaseTolerance >= baselineEnergy {
|
|
| 1332 |
let offlineEnergy = meterEnergyCounterWh - baselineEnergy |
|
| 1333 |
measuredEnergyWh = max(offlineEnergy, 0) |
|
| 1334 |
usedOfflineMeterCounters = true |
|
| 1335 |
sourceMode = .offline |
|
| 1336 |
} else if let lastEnergy, meterEnergyCounterWh > lastEnergy {
|
|
| 1337 |
let delta = meterEnergyCounterWh - lastEnergy |
|
| 1338 |
if delta > 0 {
|
|
| 1339 |
measuredEnergyWh += delta |
|
| 1340 |
usedOfflineMeterCounters = true |
|
| 1341 |
sourceMode = .blended |
|
| 1342 |
} |
|
| 1343 |
} |
|
| 1344 |
session.setValue(meterEnergyCounterWh, forKey: "meterLastEnergyWh") |
|
| 1345 |
} |
|
| 1346 | ||
| 1347 |
if let meterChargeCounterAh = snapshot.meterChargeCounterAh {
|
|
| 1348 |
let baselineCharge = optionalDoubleValue(session, key: "meterChargeBaselineAh") ?? meterChargeCounterAh |
|
| 1349 |
let lastCharge = optionalDoubleValue(session, key: "meterLastChargeAh") |
|
| 1350 |
if optionalDoubleValue(session, key: "meterChargeBaselineAh") == nil {
|
|
| 1351 |
session.setValue(baselineCharge, forKey: "meterChargeBaselineAh") |
|
| 1352 |
} |
|
| 1353 | ||
| 1354 |
if meterChargeCounterAh + counterDecreaseTolerance >= baselineCharge {
|
|
| 1355 |
let offlineCharge = meterChargeCounterAh - baselineCharge |
|
| 1356 |
measuredChargeAh = max(offlineCharge, 0) |
|
| 1357 |
usedOfflineMeterCounters = true |
|
| 1358 |
} else if let lastCharge, meterChargeCounterAh > lastCharge {
|
|
| 1359 |
let delta = meterChargeCounterAh - lastCharge |
|
| 1360 |
if delta > 0 {
|
|
| 1361 |
measuredChargeAh += delta |
|
| 1362 |
usedOfflineMeterCounters = true |
|
| 1363 |
} |
|
| 1364 |
} |
|
| 1365 |
session.setValue(meterChargeCounterAh, forKey: "meterLastChargeAh") |
|
| 1366 |
} |
|
| 1367 | ||
| 1368 |
if let meterRecordingDurationSeconds = snapshot.meterRecordingDurationSeconds {
|
|
| 1369 |
let baselineDuration = optionalDoubleValue(session, key: "meterDurationBaselineSeconds") ?? meterRecordingDurationSeconds |
|
| 1370 |
if optionalDoubleValue(session, key: "meterDurationBaselineSeconds") == nil {
|
|
| 1371 |
setValue(baselineDuration, on: session, key: "meterDurationBaselineSeconds") |
|
| 1372 |
} |
|
| 1373 |
setValue(meterRecordingDurationSeconds, on: session, key: "meterLastDurationSeconds") |
|
| 1374 |
} |
|
| 1375 | ||
| 1376 |
let existingMinimum = optionalDoubleValue(session, key: "minimumObservedCurrentAmps") |
|
| 1377 |
let updatedMinimum: Double |
|
| 1378 |
if snapshot.currentAmps > 0 {
|
|
| 1379 |
updatedMinimum = min(existingMinimum ?? snapshot.currentAmps, snapshot.currentAmps) |
|
| 1380 |
} else {
|
|
| 1381 |
updatedMinimum = existingMinimum ?? 0 |
|
| 1382 |
} |
|
| 1383 | ||
| 1384 |
let effectiveCurrent = effectiveCurrentAmps( |
|
| 1385 |
fromMeasuredCurrent: snapshot.currentAmps, |
|
| 1386 |
chargingTransportMode: sessionChargingTransportMode, |
|
| 1387 |
charger: charger |
|
| 1388 |
) |
|
| 1389 |
let observedChargeFlow = boolValue(session, key: "hasObservedChargeFlow") |
|
| 1390 |
|| hasObservedChargeFlow( |
|
| 1391 |
currentAmps: snapshot.currentAmps, |
|
| 1392 |
chargingTransportMode: sessionChargingTransportMode, |
|
| 1393 |
charger: charger, |
|
| 1394 |
stopThreshold: stopThreshold |
|
| 1395 |
) |
|
| 1396 | ||
| 1397 |
session.setValue(measuredEnergyWh, forKey: "measuredEnergyWh") |
|
| 1398 |
session.setValue(measuredChargeAh, forKey: "measuredChargeAh") |
|
| 1399 |
session.setValue(updatedMinimum, forKey: "minimumObservedCurrentAmps") |
|
| 1400 |
session.setValue(stopThreshold ?? 0, forKey: "stopThresholdAmps") |
|
| 1401 |
session.setValue(snapshot.observedAt, forKey: "lastObservedAt") |
|
| 1402 |
session.setValue(snapshot.currentAmps, forKey: "lastObservedCurrentAmps") |
|
| 1403 |
session.setValue(snapshot.powerWatts, forKey: "lastObservedPowerWatts") |
|
| 1404 |
session.setValue( |
|
| 1405 |
sessionChargingTransportMode == .wired ? snapshot.voltageVolts : nil, |
|
| 1406 |
forKey: "lastObservedVoltageVolts" |
|
| 1407 |
) |
|
| 1408 |
session.setValue(observedChargeFlow, forKey: "hasObservedChargeFlow") |
|
| 1409 |
session.setValue( |
|
| 1410 |
max(optionalDoubleValue(session, key: "maximumObservedCurrentAmps") ?? snapshot.currentAmps, snapshot.currentAmps), |
|
| 1411 |
forKey: "maximumObservedCurrentAmps" |
|
| 1412 |
) |
|
| 1413 |
session.setValue( |
|
| 1414 |
max(optionalDoubleValue(session, key: "maximumObservedPowerWatts") ?? snapshot.powerWatts, snapshot.powerWatts), |
|
| 1415 |
forKey: "maximumObservedPowerWatts" |
|
| 1416 |
) |
|
| 1417 |
session.setValue( |
|
| 1418 |
sessionChargingTransportMode == .wired |
|
| 1419 |
? max(optionalDoubleValue(session, key: "maximumObservedVoltageVolts") ?? snapshot.voltageVolts, snapshot.voltageVolts) |
|
| 1420 |
: nil, |
|
| 1421 |
forKey: "maximumObservedVoltageVolts" |
|
| 1422 |
) |
|
| 1423 |
session.setValue(usedOfflineMeterCounters, forKey: "usedOfflineMeterCounters") |
|
| 1424 |
session.setValue(sourceMode.rawValue, forKey: "sourceModeRawValue") |
|
| 1425 |
maybeTriggerTargetBatteryAlert(for: session, observedAt: snapshot.observedAt) |
|
| 1426 | ||
| 1427 |
guard boolValue(session, key: "autoStopEnabled"), let stopThreshold, stopThreshold > 0, observedChargeFlow else {
|
|
| 1428 |
session.setValue(nil, forKey: "belowThresholdSince") |
|
| 1429 |
clearCompletionConfirmationState(for: session) |
|
| 1430 |
session.setValue(nil, forKey: "completionConfirmationCooldownUntil") |
|
| 1431 |
return |
|
| 1432 |
} |
|
| 1433 | ||
| 1434 |
if effectiveCurrent <= stopThreshold {
|
|
| 1435 |
let belowThresholdSince = dateValue(session, key: "belowThresholdSince") ?? snapshot.observedAt |
|
| 1436 |
session.setValue(belowThresholdSince, forKey: "belowThresholdSince") |
|
| 1437 |
if snapshot.observedAt.timeIntervalSince(belowThresholdSince) >= stopDetectionHoldDuration {
|
|
| 1438 |
if boolValue(session, key: "requiresCompletionConfirmation") {
|
|
| 1439 |
// Leave the session active until the user explicitly confirms or charging resumes. |
|
| 1440 |
return |
|
| 1441 |
} |
|
| 1442 | ||
| 1443 |
if shouldRequireCompletionConfirmation(for: session, observedAt: snapshot.observedAt) {
|
|
| 1444 |
requestCompletionConfirmation(for: session, observedAt: snapshot.observedAt) |
|
| 1445 |
} else {
|
|
| 1446 |
finishSession( |
|
| 1447 |
session, |
|
| 1448 |
observedAt: snapshot.observedAt, |
|
| 1449 |
finalBatteryPercent: nil, |
|
| 1450 |
status: .completed |
|
| 1451 |
) |
|
| 1452 |
} |
|
| 1453 |
} |
|
| 1454 |
} else {
|
|
| 1455 |
session.setValue(nil, forKey: "belowThresholdSince") |
|
| 1456 |
clearCompletionConfirmationState(for: session) |
|
| 1457 |
session.setValue(nil, forKey: "completionConfirmationCooldownUntil") |
|
| 1458 |
} |
|
| 1459 |
} |
|
| 1460 | ||
| 1461 |
private func updateAggregatedSample( |
|
| 1462 |
session: NSManagedObject, |
|
| 1463 |
with snapshot: ChargingMonitorSnapshot |
|
| 1464 |
) -> NSManagedObject? {
|
|
| 1465 |
guard |
|
| 1466 |
let sessionID = stringValue(session, key: "id"), |
|
| 1467 |
let chargedDeviceID = stringValue(session, key: "chargedDeviceID"), |
|
| 1468 |
let startedAt = dateValue(session, key: "startedAt"), |
|
| 1469 |
let entity = NSEntityDescription.entity(forEntityName: EntityName.chargeSessionSample, in: context) |
|
| 1470 |
else {
|
|
| 1471 |
return nil |
|
| 1472 |
} |
|
| 1473 | ||
| 1474 |
let elapsed = max(snapshot.observedAt.timeIntervalSince(startedAt), 0) |
|
| 1475 |
let bucketIndex = Int32(floor(elapsed / Self.aggregatedSampleBucketDuration)) |
|
| 1476 |
let bucketStart = startedAt.addingTimeInterval(Double(bucketIndex) * Self.aggregatedSampleBucketDuration) |
|
| 1477 |
let bucketIdentifier = "\(sessionID)-\(bucketIndex)" |
|
| 1478 |
let sample = fetchSessionSampleObject(sessionID: sessionID, bucketIndex: bucketIndex) |
|
| 1479 |
?? NSManagedObject(entity: entity, insertInto: context) |
|
| 1480 |
let sessionChargingTransportMode = chargingTransportMode(for: session) |
|
| 1481 |
let sampleVoltage = sessionChargingTransportMode == .wired ? snapshot.voltageVolts : nil |
|
| 1482 | ||
| 1483 |
let existingCount = max(optionalInt16Value(sample, key: "sampleCount") ?? 0, 0) |
|
| 1484 |
let updatedCount = existingCount + 1 |
|
| 1485 | ||
| 1486 |
sample.setValue(bucketIdentifier, forKey: "id") |
|
| 1487 |
sample.setValue(sessionID, forKey: "sessionID") |
|
| 1488 |
sample.setValue(chargedDeviceID, forKey: "chargedDeviceID") |
|
| 1489 |
sample.setValue(bucketIndex, forKey: "bucketIndex") |
|
| 1490 |
sample.setValue(max(snapshot.observedAt, bucketStart), forKey: "timestamp") |
|
| 1491 |
sample.setValue( |
|
| 1492 |
runningAverage( |
|
| 1493 |
currentAverage: optionalDoubleValue(sample, key: "averageCurrentAmps") ?? snapshot.currentAmps, |
|
| 1494 |
currentCount: Int(existingCount), |
|
| 1495 |
newValue: snapshot.currentAmps |
|
| 1496 |
), |
|
| 1497 |
forKey: "averageCurrentAmps" |
|
| 1498 |
) |
|
| 1499 |
sample.setValue( |
|
| 1500 |
sampleVoltage.flatMap { voltage in
|
|
| 1501 |
runningAverage( |
|
| 1502 |
currentAverage: optionalDoubleValue(sample, key: "averageVoltageVolts") ?? voltage, |
|
| 1503 |
currentCount: Int(existingCount), |
|
| 1504 |
newValue: voltage |
|
| 1505 |
) |
|
| 1506 |
}, |
|
| 1507 |
forKey: "averageVoltageVolts" |
|
| 1508 |
) |
|
| 1509 |
sample.setValue( |
|
| 1510 |
runningAverage( |
|
| 1511 |
currentAverage: optionalDoubleValue(sample, key: "averagePowerWatts") ?? snapshot.powerWatts, |
|
| 1512 |
currentCount: Int(existingCount), |
|
| 1513 |
newValue: snapshot.powerWatts |
|
| 1514 |
), |
|
| 1515 |
forKey: "averagePowerWatts" |
|
| 1516 |
) |
|
| 1517 |
sample.setValue(doubleValue(session, key: "measuredEnergyWh"), forKey: "measuredEnergyWh") |
|
| 1518 |
sample.setValue(doubleValue(session, key: "measuredChargeAh"), forKey: "measuredChargeAh") |
|
| 1519 |
sample.setValue(Int16(updatedCount), forKey: "sampleCount") |
|
| 1520 |
sample.setValue(dateValue(sample, key: "createdAt") ?? snapshot.observedAt, forKey: "createdAt") |
|
| 1521 |
sample.setValue(snapshot.observedAt, forKey: "updatedAt") |
|
| 1522 |
return sample |
|
| 1523 |
} |
|
| 1524 | ||
| 1525 |
private func maybeTriggerTargetBatteryAlert( |
|
| 1526 |
for session: NSManagedObject, |
|
| 1527 |
observedAt: Date, |
|
| 1528 |
completionFallbackPercent: Double? = nil |
|
| 1529 |
) {
|
|
| 1530 |
guard dateValue(session, key: "targetBatteryAlertTriggeredAt") == nil else {
|
|
| 1531 |
return |
|
| 1532 |
} |
|
| 1533 | ||
| 1534 |
guard let targetBatteryPercent = optionalDoubleValue(session, key: "targetBatteryPercent") else {
|
|
| 1535 |
return |
|
| 1536 |
} |
|
| 1537 | ||
| 1538 |
let predictedBatteryPercent = predictedBatteryPercent(for: session) |
|
| 1539 |
?? optionalDoubleValue(session, key: "endBatteryPercent") |
|
| 1540 |
?? completionFallbackPercent |
|
| 1541 | ||
| 1542 |
guard let predictedBatteryPercent, predictedBatteryPercent >= targetBatteryPercent else {
|
|
| 1543 |
return |
|
| 1544 |
} |
|
| 1545 | ||
| 1546 |
session.setValue(observedAt, forKey: "targetBatteryAlertTriggeredAt") |
|
| 1547 |
} |
|
| 1548 | ||
| 1549 |
private func shouldRequireCompletionConfirmation( |
|
| 1550 |
for session: NSManagedObject, |
|
| 1551 |
observedAt: Date |
|
| 1552 |
) -> Bool {
|
|
| 1553 |
if let cooldownUntil = dateValue(session, key: "completionConfirmationCooldownUntil"), |
|
| 1554 |
cooldownUntil > observedAt {
|
|
| 1555 |
return false |
|
| 1556 |
} |
|
| 1557 | ||
| 1558 |
guard let predictedBatteryPercent = predictedBatteryPercent(for: session) else {
|
|
| 1559 |
return false |
|
| 1560 |
} |
|
| 1561 | ||
| 1562 |
let expectedCompletionPercent = optionalDoubleValue(session, key: "targetBatteryPercent") |
|
| 1563 |
?? defaultCompletionPercentThreshold |
|
| 1564 | ||
| 1565 |
return predictedBatteryPercent + completionContradictionTolerancePercent < expectedCompletionPercent |
|
| 1566 |
} |
|
| 1567 | ||
| 1568 |
private func requestCompletionConfirmation(for session: NSManagedObject, observedAt: Date) {
|
|
| 1569 |
guard !boolValue(session, key: "requiresCompletionConfirmation") else {
|
|
| 1570 |
return |
|
| 1571 |
} |
|
| 1572 | ||
| 1573 |
session.setValue(true, forKey: "requiresCompletionConfirmation") |
|
| 1574 |
session.setValue(observedAt, forKey: "completionConfirmationRequestedAt") |
|
| 1575 |
session.setValue(predictedBatteryPercent(for: session), forKey: "completionContradictionPercent") |
|
| 1576 |
} |
|
| 1577 | ||
| 1578 |
private func clearCompletionConfirmationState(for session: NSManagedObject) {
|
|
| 1579 |
session.setValue(false, forKey: "requiresCompletionConfirmation") |
|
| 1580 |
session.setValue(nil, forKey: "completionConfirmationRequestedAt") |
|
| 1581 |
session.setValue(nil, forKey: "completionContradictionPercent") |
|
| 1582 |
} |
|
| 1583 | ||
| 1584 |
private func snapshotDateForManualStop(_ session: NSManagedObject) -> Date {
|
|
| 1585 |
if statusValue(session, key: "statusRawValue") == .paused {
|
|
| 1586 |
return dateValue(session, key: "pausedAt") |
|
| 1587 |
?? dateValue(session, key: "lastObservedAt") |
|
| 1588 |
?? Date() |
|
| 1589 |
} |
|
| 1590 |
return dateValue(session, key: "lastObservedAt") ?? Date() |
|
| 1591 |
} |
|
| 1592 | ||
| 1593 |
private func snapshotClampedToMaximumDuration( |
|
| 1594 |
_ snapshot: ChargingMonitorSnapshot, |
|
| 1595 |
for session: NSManagedObject |
|
| 1596 |
) -> ChargingMonitorSnapshot {
|
|
| 1597 |
guard let maximumEndDate = maximumEndDate(for: session), |
|
| 1598 |
snapshot.observedAt > maximumEndDate else {
|
|
| 1599 |
return snapshot |
|
| 1600 |
} |
|
| 1601 | ||
| 1602 |
return ChargingMonitorSnapshot( |
|
| 1603 |
meterMACAddress: snapshot.meterMACAddress, |
|
| 1604 |
meterName: snapshot.meterName, |
|
| 1605 |
meterModel: snapshot.meterModel, |
|
| 1606 |
observedAt: maximumEndDate, |
|
| 1607 |
voltageVolts: snapshot.voltageVolts, |
|
| 1608 |
currentAmps: snapshot.currentAmps, |
|
| 1609 |
powerWatts: snapshot.powerWatts, |
|
| 1610 |
selectedDataGroup: snapshot.selectedDataGroup, |
|
| 1611 |
meterChargeCounterAh: snapshot.meterChargeCounterAh, |
|
| 1612 |
meterEnergyCounterWh: snapshot.meterEnergyCounterWh, |
|
| 1613 |
meterRecordingDurationSeconds: snapshot.meterRecordingDurationSeconds, |
|
| 1614 |
fallbackStopThresholdAmps: snapshot.fallbackStopThresholdAmps |
|
| 1615 |
) |
|
| 1616 |
} |
|
| 1617 | ||
| 1618 |
private func automaticCompletionDate( |
|
| 1619 |
for session: NSManagedObject, |
|
| 1620 |
referenceDate: Date |
|
| 1621 |
) -> Date? {
|
|
| 1622 |
guard statusValue(session, key: "statusRawValue")?.isOpen == true else {
|
|
| 1623 |
return nil |
|
| 1624 |
} |
|
| 1625 | ||
| 1626 |
var completionDates: [Date] = [] |
|
| 1627 | ||
| 1628 |
if let maximumEndDate = maximumEndDate(for: session) {
|
|
| 1629 |
completionDates.append(maximumEndDate) |
|
| 1630 |
} |
|
| 1631 | ||
| 1632 |
if statusValue(session, key: "statusRawValue") == .paused, |
|
| 1633 |
let pausedAt = dateValue(session, key: "pausedAt") {
|
|
| 1634 |
completionDates.append(pausedAt.addingTimeInterval(pausedSessionTimeout)) |
|
| 1635 |
} |
|
| 1636 | ||
| 1637 |
guard let completionDate = completionDates.min(), |
|
| 1638 |
referenceDate >= completionDate else {
|
|
| 1639 |
return nil |
|
| 1640 |
} |
|
| 1641 | ||
| 1642 |
return completionDate |
|
| 1643 |
} |
|
| 1644 | ||
| 1645 |
private func maximumEndDate(for session: NSManagedObject) -> Date? {
|
|
| 1646 |
dateValue(session, key: "startedAt")?.addingTimeInterval(Self.maximumChargeSessionDuration) |
|
| 1647 |
} |
|
| 1648 | ||
| 1649 |
@discardableResult |
|
| 1650 |
private func maybeCompleteOpenSession(_ session: NSManagedObject, observedAt: Date) -> Bool {
|
|
| 1651 |
guard statusValue(session, key: "statusRawValue")?.isOpen == true, |
|
| 1652 |
let completionDate = automaticCompletionDate(for: session, referenceDate: observedAt) else {
|
|
| 1653 |
return false |
|
| 1654 |
} |
|
| 1655 | ||
| 1656 |
finishSession( |
|
| 1657 |
session, |
|
| 1658 |
observedAt: completionDate, |
|
| 1659 |
finalBatteryPercent: nil, |
|
| 1660 |
status: .completed |
|
| 1661 |
) |
|
| 1662 | ||
| 1663 |
guard saveContext() else {
|
|
| 1664 |
return false |
|
| 1665 |
} |
|
| 1666 | ||
| 1667 |
if let chargedDeviceID = stringValue(session, key: "chargedDeviceID") {
|
|
| 1668 |
refreshDerivedMetrics(forChargedDeviceID: chargedDeviceID) |
|
| 1669 |
return saveContext() |
|
| 1670 |
} |
|
| 1671 | ||
| 1672 |
return true |
|
| 1673 |
} |
|
| 1674 | ||
| 1675 |
private func completionCurrentForSessionEnd(_ session: NSManagedObject) -> Double? {
|
|
| 1676 |
let chargingTransportMode = chargingTransportMode(for: session) |
|
| 1677 |
let measuredCurrent = optionalDoubleValue(session, key: "lastObservedCurrentAmps") |
|
| 1678 |
?? doubleValue(session, key: "lastObservedCurrentAmps") |
|
| 1679 | ||
| 1680 |
guard measuredCurrent > 0 else {
|
|
| 1681 |
return nil |
|
| 1682 |
} |
|
| 1683 | ||
| 1684 |
let charger = chargingTransportMode == .wireless |
|
| 1685 |
? stringValue(session, key: "chargerID").flatMap(fetchChargedDeviceObject(id:)) |
|
| 1686 |
: nil |
|
| 1687 | ||
| 1688 |
if chargingTransportMode == .wireless, chargerIdleCurrent(for: charger) == nil {
|
|
| 1689 |
return nil |
|
| 1690 |
} |
|
| 1691 | ||
| 1692 |
let effectiveCurrent = effectiveCurrentAmps( |
|
| 1693 |
fromMeasuredCurrent: measuredCurrent, |
|
| 1694 |
chargingTransportMode: chargingTransportMode, |
|
| 1695 |
charger: charger |
|
| 1696 |
) |
|
| 1697 |
guard effectiveCurrent > 0 else {
|
|
| 1698 |
return nil |
|
| 1699 |
} |
|
| 1700 |
return effectiveCurrent |
|
| 1701 |
} |
|
| 1702 | ||
| 1703 |
private func finishSession( |
|
| 1704 |
_ session: NSManagedObject, |
|
| 1705 |
observedAt: Date, |
|
| 1706 |
finalBatteryPercent: Double?, |
|
| 1707 |
status: ChargeSessionStatus |
|
| 1708 |
) {
|
|
| 1709 |
if let finalBatteryPercent {
|
|
| 1710 |
_ = insertBatteryCheckpoint( |
|
| 1711 |
percent: finalBatteryPercent, |
|
| 1712 |
flag: .final, |
|
| 1713 |
timestamp: observedAt, |
|
| 1714 |
to: session |
|
| 1715 |
) |
|
| 1716 |
} |
|
| 1717 | ||
| 1718 |
session.setValue(status.rawValue, forKey: "statusRawValue") |
|
| 1719 |
session.setValue(nil, forKey: "pausedAt") |
|
| 1720 |
session.setValue(nil, forKey: "belowThresholdSince") |
|
| 1721 |
session.setValue(observedAt, forKey: "endedAt") |
|
| 1722 |
session.setValue(observedAt, forKey: "lastObservedAt") |
|
| 1723 |
session.setValue(completionCurrentForSessionEnd(session), forKey: "completionCurrentAmps") |
|
| 1724 |
clearCompletionConfirmationState(for: session) |
|
| 1725 |
session.setValue(nil, forKey: "completionConfirmationCooldownUntil") |
|
| 1726 |
updateCapacityEstimate(for: session) |
|
| 1727 |
session.setValue(observedAt, forKey: "updatedAt") |
|
| 1728 | ||
| 1729 |
if status == .completed {
|
|
| 1730 |
maybeTriggerTargetBatteryAlert( |
|
| 1731 |
for: session, |
|
| 1732 |
observedAt: observedAt, |
|
| 1733 |
completionFallbackPercent: defaultCompletionPercentThreshold |
|
| 1734 |
) |
|
| 1735 |
} |
|
| 1736 |
} |
|
| 1737 | ||
| 1738 |
private func predictedBatteryPercent(for session: NSManagedObject) -> Double? {
|
|
| 1739 |
guard |
|
| 1740 |
let chargedDeviceID = stringValue(session, key: "chargedDeviceID"), |
|
| 1741 |
let chargedDevice = fetchChargedDeviceObject(id: chargedDeviceID), |
|
| 1742 |
let estimatedCapacityWh = resolvedEstimatedBatteryCapacityWh(for: session, chargedDevice: chargedDevice), |
|
| 1743 |
estimatedCapacityWh > 0 |
|
| 1744 |
else {
|
|
| 1745 |
return nil |
|
| 1746 |
} |
|
| 1747 | ||
| 1748 |
// Compute effective battery energy dynamically so the prediction uses the |
|
| 1749 |
// most current measuredEnergyWh rather than the stale effectiveBatteryEnergyWh |
|
| 1750 |
// (which is only refreshed at session start, checkpoint insertion, and finish). |
|
| 1751 |
let rawMeasuredEnergyWh = doubleValue(session, key: "measuredEnergyWh") |
|
| 1752 |
let measuredEnergyWh: Double |
|
| 1753 |
switch chargingTransportMode(for: session) {
|
|
| 1754 |
case .wired: |
|
| 1755 |
measuredEnergyWh = rawMeasuredEnergyWh |
|
| 1756 |
case .wireless: |
|
| 1757 |
if let factor = optionalDoubleValue(session, key: "wirelessEfficiencyFactor"), factor > 0 {
|
|
| 1758 |
measuredEnergyWh = rawMeasuredEnergyWh * factor |
|
| 1759 |
} else {
|
|
| 1760 |
measuredEnergyWh = optionalDoubleValue(session, key: "effectiveBatteryEnergyWh") |
|
| 1761 |
?? rawMeasuredEnergyWh |
|
| 1762 |
} |
|
| 1763 |
} |
|
| 1764 |
let sessionID = stringValue(session, key: "id") ?? "" |
|
| 1765 | ||
| 1766 |
struct Anchor {
|
|
| 1767 |
let percent: Double |
|
| 1768 |
let energyWh: Double |
|
| 1769 |
let timestamp: Date |
|
| 1770 |
let isCheckpoint: Bool |
|
| 1771 |
} |
|
| 1772 | ||
| 1773 |
var anchors: [Anchor] = [] |
|
| 1774 |
if let startBatteryPercent = optionalDoubleValue(session, key: "startBatteryPercent"), |
|
| 1775 |
startBatteryPercent >= 0 {
|
|
| 1776 |
anchors.append( |
|
| 1777 |
Anchor( |
|
| 1778 |
percent: startBatteryPercent, |
|
| 1779 |
energyWh: 0, |
|
| 1780 |
timestamp: dateValue(session, key: "trimStart") |
|
| 1781 |
?? dateValue(session, key: "startedAt") |
|
| 1782 |
?? Date.distantPast, |
|
| 1783 |
isCheckpoint: false |
|
| 1784 |
) |
|
| 1785 |
) |
|
| 1786 |
} |
|
| 1787 | ||
| 1788 |
let checkpointAnchors = fetchCheckpointObjects(forSessionID: sessionID) |
|
| 1789 |
.compactMap(makeCheckpointSummary(from:)) |
|
| 1790 |
.sorted { lhs, rhs in
|
|
| 1791 |
if lhs.measuredEnergyWh != rhs.measuredEnergyWh {
|
|
| 1792 |
return lhs.measuredEnergyWh < rhs.measuredEnergyWh |
|
| 1793 |
} |
|
| 1794 |
return lhs.timestamp < rhs.timestamp |
|
| 1795 |
} |
|
| 1796 |
.filter { $0.batteryPercent >= 0 }
|
|
| 1797 |
.map {
|
|
| 1798 |
Anchor( |
|
| 1799 |
percent: $0.batteryPercent, |
|
| 1800 |
energyWh: $0.measuredEnergyWh, |
|
| 1801 |
timestamp: $0.timestamp, |
|
| 1802 |
isCheckpoint: true |
|
| 1803 |
) |
|
| 1804 |
} |
|
| 1805 |
anchors.append(contentsOf: checkpointAnchors) |
|
| 1806 | ||
| 1807 |
guard !anchors.isEmpty else {
|
|
| 1808 |
return optionalDoubleValue(session, key: "endBatteryPercent") |
|
| 1809 |
} |
|
| 1810 | ||
| 1811 |
let anchor = anchors.filter { $0.energyWh <= measuredEnergyWh + 0.05 }.last ?? anchors.first!
|
|
| 1812 |
return BatteryLevelPredictionTuning.predictedPercent( |
|
| 1813 |
anchorPercent: anchor.percent, |
|
| 1814 |
anchorEnergyWh: anchor.energyWh, |
|
| 1815 |
anchorTimestamp: anchor.timestamp, |
|
| 1816 |
anchorIsCheckpoint: anchor.isCheckpoint, |
|
| 1817 |
effectiveEnergyWh: measuredEnergyWh, |
|
| 1818 |
referenceTimestamp: dateValue(session, key: "lastObservedAt") ?? anchor.timestamp, |
|
| 1819 |
estimatedCapacityWh: estimatedCapacityWh |
|
| 1820 |
) |
|
| 1821 |
} |
|
| 1822 | ||
| 1823 |
private func resolvedEstimatedBatteryCapacityWh( |
|
| 1824 |
for session: NSManagedObject, |
|
| 1825 |
chargedDevice: NSManagedObject |
|
| 1826 |
) -> Double? {
|
|
| 1827 |
if let sessionCapacityEstimate = optionalDoubleValue(session, key: "capacityEstimateWh"), |
|
| 1828 |
sessionCapacityEstimate > 0 {
|
|
| 1829 |
return sessionCapacityEstimate |
|
| 1830 |
} |
|
| 1831 | ||
| 1832 |
switch chargingTransportMode(for: session) {
|
|
| 1833 |
case .wired: |
|
| 1834 |
return optionalDoubleValue(chargedDevice, key: "wiredEstimatedBatteryCapacityWh") |
|
| 1835 |
?? optionalDoubleValue(chargedDevice, key: "estimatedBatteryCapacityWh") |
|
| 1836 |
case .wireless: |
|
| 1837 |
return optionalDoubleValue(chargedDevice, key: "wirelessEstimatedBatteryCapacityWh") |
|
| 1838 |
?? optionalDoubleValue(chargedDevice, key: "estimatedBatteryCapacityWh") |
|
| 1839 |
} |
|
| 1840 |
} |
|
| 1841 | ||
| 1842 |
private func updateCapacityEstimate(for session: NSManagedObject) {
|
|
| 1843 |
guard |
|
| 1844 |
let chargedDeviceID = stringValue(session, key: "chargedDeviceID"), |
|
| 1845 |
let chargedDevice = fetchChargedDeviceObject(id: chargedDeviceID) |
|
| 1846 |
else {
|
|
| 1847 |
session.setValue(nil, forKey: "effectiveBatteryEnergyWh") |
|
| 1848 |
session.setValue(nil, forKey: "capacityEstimateWh") |
|
| 1849 |
return |
|
| 1850 |
} |
|
| 1851 | ||
| 1852 |
let measuredEnergyWh = doubleValue(session, key: "measuredEnergyWh") |
|
| 1853 |
let chargingMode = chargingTransportMode(for: session) |
|
| 1854 |
let wirelessResolution = chargingMode == .wireless |
|
| 1855 |
? resolvedWirelessEfficiency(for: session, chargedDevice: chargedDevice) |
|
| 1856 |
: nil |
|
| 1857 |
let effectiveBatteryEnergyWh = chargingMode == .wired |
|
| 1858 |
? measuredEnergyWh |
|
| 1859 |
: wirelessResolution.map { measuredEnergyWh * $0.factor }
|
|
| 1860 | ||
| 1861 |
session.setValue(effectiveBatteryEnergyWh, forKey: "effectiveBatteryEnergyWh") |
|
| 1862 |
session.setValue(wirelessResolution?.factor, forKey: "wirelessEfficiencyFactor") |
|
| 1863 |
session.setValue(wirelessResolution?.usesEstimated ?? false, forKey: "usesEstimatedWirelessEfficiency") |
|
| 1864 |
session.setValue(wirelessResolution?.shouldWarn ?? false, forKey: "shouldWarnAboutLowWirelessEfficiency") |
|
| 1865 | ||
| 1866 |
let supportsChargingWhileOff = boolValue(chargedDevice, key: "supportsChargingWhileOff") |
|
| 1867 | ||
| 1868 |
guard let effectiveBatteryEnergyWh, effectiveBatteryEnergyWh > 0 else {
|
|
| 1869 |
session.setValue(nil, forKey: "capacityEstimateWh") |
|
| 1870 |
return |
|
| 1871 |
} |
|
| 1872 | ||
| 1873 |
struct CapacityAnchor {
|
|
| 1874 |
let percent: Double |
|
| 1875 |
let energyWh: Double |
|
| 1876 |
let timestamp: Date |
|
| 1877 |
} |
|
| 1878 | ||
| 1879 |
var anchors: [CapacityAnchor] = [] |
|
| 1880 | ||
| 1881 |
if let startBatteryPercent = optionalDoubleValue(session, key: "startBatteryPercent"), |
|
| 1882 |
startBatteryPercent >= 0 {
|
|
| 1883 |
anchors.append( |
|
| 1884 |
CapacityAnchor( |
|
| 1885 |
percent: startBatteryPercent, |
|
| 1886 |
energyWh: 0, |
|
| 1887 |
timestamp: dateValue(session, key: "trimStart") |
|
| 1888 |
?? dateValue(session, key: "startedAt") |
|
| 1889 |
?? Date.distantPast |
|
| 1890 |
) |
|
| 1891 |
) |
|
| 1892 |
} |
|
| 1893 | ||
| 1894 |
if let sessionID = stringValue(session, key: "id") {
|
|
| 1895 |
anchors.append( |
|
| 1896 |
contentsOf: fetchCheckpointObjects(forSessionID: sessionID).compactMap { checkpoint in
|
|
| 1897 |
guard |
|
| 1898 |
let percent = optionalDoubleValue(checkpoint, key: "batteryPercent"), |
|
| 1899 |
percent >= 0, |
|
| 1900 |
let timestamp = dateValue(checkpoint, key: "timestamp") |
|
| 1901 |
else {
|
|
| 1902 |
return nil |
|
| 1903 |
} |
|
| 1904 | ||
| 1905 |
return CapacityAnchor( |
|
| 1906 |
percent: percent, |
|
| 1907 |
energyWh: doubleValue(checkpoint, key: "measuredEnergyWh"), |
|
| 1908 |
timestamp: timestamp |
|
| 1909 |
) |
|
| 1910 |
} |
|
| 1911 |
) |
|
| 1912 |
} |
|
| 1913 | ||
| 1914 |
if let endBatteryPercent = optionalDoubleValue(session, key: "endBatteryPercent"), |
|
| 1915 |
endBatteryPercent >= 0 {
|
|
| 1916 |
anchors.append( |
|
| 1917 |
CapacityAnchor( |
|
| 1918 |
percent: endBatteryPercent, |
|
| 1919 |
energyWh: effectiveBatteryEnergyWh, |
|
| 1920 |
timestamp: dateValue(session, key: "endedAt") |
|
| 1921 |
?? dateValue(session, key: "lastObservedAt") |
|
| 1922 |
?? Date.distantPast |
|
| 1923 |
) |
|
| 1924 |
) |
|
| 1925 |
} |
|
| 1926 | ||
| 1927 |
let sortedAnchors = anchors.sorted { lhs, rhs in
|
|
| 1928 |
if lhs.energyWh != rhs.energyWh {
|
|
| 1929 |
return lhs.energyWh < rhs.energyWh |
|
| 1930 |
} |
|
| 1931 |
return lhs.timestamp < rhs.timestamp |
|
| 1932 |
} |
|
| 1933 | ||
| 1934 |
guard let firstAnchor = sortedAnchors.first, |
|
| 1935 |
let lastAnchor = sortedAnchors.last else {
|
|
| 1936 |
session.setValue(nil, forKey: "capacityEstimateWh") |
|
| 1937 |
return |
|
| 1938 |
} |
|
| 1939 | ||
| 1940 |
let percentDelta = lastAnchor.percent - firstAnchor.percent |
|
| 1941 |
let energyDelta = lastAnchor.energyWh - firstAnchor.energyWh |
|
| 1942 | ||
| 1943 |
guard percentDelta >= 20, energyDelta > 0 else {
|
|
| 1944 |
session.setValue(nil, forKey: "capacityEstimateWh") |
|
| 1945 |
return |
|
| 1946 |
} |
|
| 1947 | ||
| 1948 |
if !supportsChargingWhileOff && lastAnchor.percent >= 99.5 {
|
|
| 1949 |
session.setValue(nil, forKey: "capacityEstimateWh") |
|
| 1950 |
return |
|
| 1951 |
} |
|
| 1952 | ||
| 1953 |
let capacityEstimateWh = energyDelta / (percentDelta / 100) |
|
| 1954 |
session.setValue(capacityEstimateWh, forKey: "capacityEstimateWh") |
|
| 1955 |
} |
|
| 1956 | ||
| 1957 |
@discardableResult |
|
| 1958 |
private func insertBatteryCheckpoint( |
|
| 1959 |
percent: Double, |
|
| 1960 |
flag: ChargeCheckpointFlag, |
|
| 1961 |
timestamp: Date = Date(), |
|
| 1962 |
measuredEnergyWhOverride: Double? = nil, |
|
| 1963 |
measuredChargeAhOverride: Double? = nil, |
|
| 1964 |
to session: NSManagedObject |
|
| 1965 |
) -> String? {
|
|
| 1966 |
guard |
|
| 1967 |
let sessionID = stringValue(session, key: "id"), |
|
| 1968 |
let chargedDeviceID = stringValue(session, key: "chargedDeviceID"), |
|
| 1969 |
let entity = NSEntityDescription.entity(forEntityName: EntityName.chargeCheckpoint, in: context) |
|
| 1970 |
else {
|
|
| 1971 |
return nil |
|
| 1972 |
} |
|
| 1973 | ||
| 1974 |
let checkpoint = NSManagedObject(entity: entity, insertInto: context) |
|
| 1975 |
let checkpointEnergyWh = measuredEnergyWhOverride |
|
| 1976 |
?? optionalDoubleValue(session, key: "effectiveBatteryEnergyWh") |
|
| 1977 |
?? doubleValue(session, key: "measuredEnergyWh") |
|
| 1978 |
let checkpointChargeAh = measuredChargeAhOverride |
|
| 1979 |
?? doubleValue(session, key: "measuredChargeAh") |
|
| 1980 |
checkpoint.setValue(UUID().uuidString, forKey: "id") |
|
| 1981 |
checkpoint.setValue(sessionID, forKey: "sessionID") |
|
| 1982 |
checkpoint.setValue(chargedDeviceID, forKey: "chargedDeviceID") |
|
| 1983 |
checkpoint.setValue(timestamp, forKey: "timestamp") |
|
| 1984 |
checkpoint.setValue(percent, forKey: "batteryPercent") |
|
| 1985 |
checkpoint.setValue(checkpointEnergyWh, forKey: "measuredEnergyWh") |
|
| 1986 |
checkpoint.setValue(checkpointChargeAh, forKey: "measuredChargeAh") |
|
| 1987 |
checkpoint.setValue(doubleValue(session, key: "lastObservedCurrentAmps"), forKey: "currentAmps") |
|
| 1988 |
checkpoint.setValue( |
|
| 1989 |
chargingTransportMode(for: session) == .wired ? optionalDoubleValue(session, key: "lastObservedVoltageVolts") : nil, |
|
| 1990 |
forKey: "voltageVolts" |
|
| 1991 |
) |
|
| 1992 |
checkpoint.setValue(flag.rawValue, forKey: "label") |
|
| 1993 |
checkpoint.setValue(timestamp, forKey: "createdAt") |
|
| 1994 | ||
| 1995 |
let existingStartBatteryPercent = optionalDoubleValue(session, key: "startBatteryPercent") |
|
| 1996 |
if existingStartBatteryPercent == nil || ((existingStartBatteryPercent ?? 0) < 0 && percent > 0) {
|
|
| 1997 |
session.setValue(percent, forKey: "startBatteryPercent") |
|
| 1998 |
} |
|
| 1999 |
if (existingStartBatteryPercent ?? 0) >= 0 || percent > 0 {
|
|
| 2000 |
session.setValue(percent, forKey: "endBatteryPercent") |
|
| 2001 |
} |
|
| 2002 |
session.setValue(timestamp, forKey: "updatedAt") |
|
| 2003 |
updateCapacityEstimate(for: session) |
|
| 2004 | ||
| 2005 |
return chargedDeviceID |
|
| 2006 |
} |
|
| 2007 | ||
| 2008 |
private func refreshCheckpointDerivedValues(for session: NSManagedObject) {
|
|
| 2009 |
guard let sessionID = stringValue(session, key: "id") else {
|
|
| 2010 |
return |
|
| 2011 |
} |
|
| 2012 | ||
| 2013 |
let remainingCheckpoints = fetchCheckpointObjects(forSessionID: sessionID) |
|
| 2014 |
if let latestCheckpoint = remainingCheckpoints.last {
|
|
| 2015 |
session.setValue(doubleValue(latestCheckpoint, key: "batteryPercent"), forKey: "endBatteryPercent") |
|
| 2016 |
} else if let startBatteryPercent = optionalDoubleValue(session, key: "startBatteryPercent"), |
|
| 2017 |
startBatteryPercent >= 0 {
|
|
| 2018 |
session.setValue(startBatteryPercent, forKey: "endBatteryPercent") |
|
| 2019 |
} else {
|
|
| 2020 |
session.setValue(nil, forKey: "endBatteryPercent") |
|
| 2021 |
} |
|
| 2022 | ||
| 2023 |
session.setValue(Date(), forKey: "updatedAt") |
|
| 2024 |
updateCapacityEstimate(for: session) |
|
| 2025 |
} |
|
| 2026 | ||
| 2027 |
@discardableResult |
|
| 2028 |
private func addBatteryCheckpoint( |
|
| 2029 |
percent: Double, |
|
| 2030 |
measuredEnergyWh: Double? = nil, |
|
| 2031 |
measuredChargeAh: Double? = nil, |
|
| 2032 |
flag: ChargeCheckpointFlag, |
|
| 2033 |
to session: NSManagedObject, |
|
| 2034 |
timestamp: Date = Date() |
|
| 2035 |
) -> Bool {
|
|
| 2036 |
if let measuredEnergyWh, measuredEnergyWh.isFinite {
|
|
| 2037 |
session.setValue(max(measuredEnergyWh, 0), forKey: "measuredEnergyWh") |
|
| 2038 |
} |
|
| 2039 |
if let measuredChargeAh, measuredChargeAh.isFinite {
|
|
| 2040 |
session.setValue(max(measuredChargeAh, 0), forKey: "measuredChargeAh") |
|
| 2041 |
} |
|
| 2042 | ||
| 2043 |
guard let chargedDeviceID = insertBatteryCheckpoint( |
|
| 2044 |
percent: percent, |
|
| 2045 |
flag: flag, |
|
| 2046 |
timestamp: timestamp, |
|
| 2047 |
measuredEnergyWhOverride: measuredEnergyWh, |
|
| 2048 |
measuredChargeAhOverride: measuredChargeAh, |
|
| 2049 |
to: session |
|
| 2050 |
) else {
|
|
| 2051 |
return false |
|
| 2052 |
} |
|
| 2053 | ||
| 2054 |
guard saveContext() else {
|
|
| 2055 |
return false |
|
| 2056 |
} |
|
| 2057 | ||
| 2058 |
refreshDerivedMetrics(forChargedDeviceID: chargedDeviceID) |
|
| 2059 |
return saveContext() |
|
| 2060 |
} |
|
| 2061 | ||
| 2062 |
private func resolvedWirelessEfficiency( |
|
| 2063 |
for session: NSManagedObject, |
|
| 2064 |
chargedDevice: NSManagedObject |
|
| 2065 |
) -> (factor: Double, usesEstimated: Bool, shouldWarn: Bool)? {
|
|
| 2066 |
if let storedFactor = optionalDoubleValue(session, key: "wirelessEfficiencyFactor"), |
|
| 2067 |
storedFactor > 0 {
|
|
| 2068 |
return ( |
|
| 2069 |
factor: storedFactor, |
|
| 2070 |
usesEstimated: boolValue(session, key: "usesEstimatedWirelessEfficiency"), |
|
| 2071 |
shouldWarn: boolValue(session, key: "shouldWarnAboutLowWirelessEfficiency") |
|
| 2072 |
) |
|
| 2073 |
} |
|
| 2074 | ||
| 2075 |
let chargingProfile = wirelessChargingProfile(for: chargedDevice) |
|
| 2076 |
let measuredEnergyWh = doubleValue(session, key: "measuredEnergyWh") |
|
| 2077 |
guard measuredEnergyWh > 0 else {
|
|
| 2078 |
return nil |
|
| 2079 |
} |
|
| 2080 | ||
| 2081 |
if chargingProfile == .magsafe, |
|
| 2082 |
let calibratedFactor = optionalDoubleValue(chargedDevice, key: "wirelessChargerEfficiencyFactor"), |
|
| 2083 |
calibratedFactor > 0 {
|
|
| 2084 |
return (factor: calibratedFactor, usesEstimated: false, shouldWarn: false) |
|
| 2085 |
} |
|
| 2086 | ||
| 2087 |
guard |
|
| 2088 |
let startBatteryPercent = optionalDoubleValue(session, key: "startBatteryPercent"), |
|
| 2089 |
let endBatteryPercent = optionalDoubleValue(session, key: "endBatteryPercent") |
|
| 2090 |
else {
|
|
| 2091 |
return nil |
|
| 2092 |
} |
|
| 2093 | ||
| 2094 |
let percentDelta = endBatteryPercent - startBatteryPercent |
|
| 2095 |
guard percentDelta >= 20 else {
|
|
| 2096 |
return nil |
|
| 2097 |
} |
|
| 2098 | ||
| 2099 |
guard let wiredCapacityWh = optionalDoubleValue(chargedDevice, key: "wiredEstimatedBatteryCapacityWh") |
|
| 2100 |
?? ((fallbackChargingTransportMode(for: chargedDevice) == .wired) |
|
| 2101 |
? optionalDoubleValue(chargedDevice, key: "estimatedBatteryCapacityWh") |
|
| 2102 |
: nil), |
|
| 2103 |
wiredCapacityWh > 0 |
|
| 2104 |
else {
|
|
| 2105 |
return nil |
|
| 2106 |
} |
|
| 2107 | ||
| 2108 |
let deliveredBatteryEnergyWh = wiredCapacityWh * (percentDelta / 100) |
|
| 2109 |
let rawFactor = deliveredBatteryEnergyWh / measuredEnergyWh |
|
| 2110 |
let clampedFactor = min(max(rawFactor, minimumWirelessEfficiencyFactor), maximumWirelessEfficiencyFactor) |
|
| 2111 |
let usesEstimated = chargingProfile != .magsafe |
|
| 2112 |
let shouldWarn = usesEstimated && clampedFactor < lowWirelessEfficiencyThreshold |
|
| 2113 | ||
| 2114 |
return (factor: clampedFactor, usesEstimated: usesEstimated, shouldWarn: shouldWarn) |
|
| 2115 |
} |
|
| 2116 | ||
| 2117 |
private func refreshDerivedMetrics(forChargedDeviceID chargedDeviceID: String) {
|
|
| 2118 |
guard let chargedDevice = fetchChargedDeviceObject(id: chargedDeviceID) else {
|
|
| 2119 |
return |
|
| 2120 |
} |
|
| 2121 | ||
| 2122 |
let chargingStateAvailability = chargingStateAvailability(for: chargedDevice) |
|
| 2123 |
let supportsChargingWhileOff = chargingStateAvailability.supportsChargingWhileOff |
|
| 2124 |
let wirelessProfile = wirelessChargingProfile(for: chargedDevice) |
|
| 2125 |
let deviceClass = ChargedDeviceClass(rawValue: stringValue(chargedDevice, key: "deviceClassRawValue") ?? "") ?? .other |
|
| 2126 |
let sessions = relevantSessionObjects( |
|
| 2127 |
for: chargedDeviceID, |
|
| 2128 |
deviceClass: deviceClass, |
|
| 2129 |
sessionsByDeviceID: [chargedDeviceID: fetchSessions(forChargedDeviceID: chargedDeviceID)], |
|
| 2130 |
sessionsByChargerID: [chargedDeviceID: fetchSessions(forChargerID: chargedDeviceID)] |
|
| 2131 |
) |
|
| 2132 |
let learnedCompletionCurrents = derivedCompletionCurrents(from: sessions) |
|
| 2133 |
let wiredMinimumCurrent = derivedMinimumCurrent( |
|
| 2134 |
from: sessions, |
|
| 2135 |
chargingTransportMode: .wired |
|
| 2136 |
) |
|
| 2137 |
let wirelessMinimumCurrent = derivedMinimumCurrent( |
|
| 2138 |
from: sessions, |
|
| 2139 |
chargingTransportMode: .wireless |
|
| 2140 |
) |
|
| 2141 | ||
| 2142 |
let wiredCapacity = derivedCapacity( |
|
| 2143 |
from: sessions, |
|
| 2144 |
chargingTransportMode: .wired, |
|
| 2145 |
supportsChargingWhileOff: supportsChargingWhileOff |
|
| 2146 |
) |
|
| 2147 |
let wirelessCapacity = derivedCapacity( |
|
| 2148 |
from: sessions, |
|
| 2149 |
chargingTransportMode: .wireless, |
|
| 2150 |
supportsChargingWhileOff: supportsChargingWhileOff |
|
| 2151 |
) |
|
| 2152 |
let wirelessEfficiency = derivedWirelessEfficiency( |
|
| 2153 |
from: sessions, |
|
| 2154 |
chargingProfile: wirelessProfile |
|
| 2155 |
) |
|
| 2156 |
let configuredCompletionCurrents = decodedCompletionCurrents( |
|
| 2157 |
from: chargedDevice, |
|
| 2158 |
key: "configuredCompletionCurrentsRawValue" |
|
| 2159 |
) |
|
| 2160 |
let configuredWiredCompletionCurrent = optionalDoubleValue(chargedDevice, key: "wiredChargeCompletionCurrentAmps") |
|
| 2161 |
let configuredWirelessCompletionCurrent = optionalDoubleValue(chargedDevice, key: "wirelessChargeCompletionCurrentAmps") |
|
| 2162 |
let chargerObservedVoltages = deviceClass == .charger ? derivedObservedVoltageSelections(from: sessions) : [] |
|
| 2163 |
let chargerIdleCurrent = deviceClass == .charger ? derivedIdleCurrent(from: sessions) : nil |
|
| 2164 |
let chargerEfficiency = deviceClass == .charger ? derivedChargerEfficiency(from: sessions) : nil |
|
| 2165 |
let chargerMaximumPower = deviceClass == .charger ? derivedMaximumPower(from: sessions) : nil |
|
| 2166 | ||
| 2167 |
let preferredChargingTransportMode = fallbackChargingTransportMode(for: chargedDevice) |
|
| 2168 |
let preferredChargingStateMode = chargingStateAvailability.supportedModes.first ?? .on |
|
| 2169 |
let preferredMinimumCurrent: Double? |
|
| 2170 |
let preferredCapacity: Double? |
|
| 2171 |
switch preferredChargingTransportMode {
|
|
| 2172 |
case .wired: |
|
| 2173 |
preferredMinimumCurrent = configuredCompletionCurrents[ |
|
| 2174 |
ChargeSessionKind(chargingTransportMode: .wired, chargingStateMode: preferredChargingStateMode) |
|
| 2175 |
] ?? learnedCompletionCurrents[ |
|
| 2176 |
ChargeSessionKind(chargingTransportMode: .wired, chargingStateMode: preferredChargingStateMode) |
|
| 2177 |
] ?? configuredWiredCompletionCurrent ?? wiredMinimumCurrent ?? configuredWirelessCompletionCurrent ?? wirelessMinimumCurrent |
|
| 2178 |
preferredCapacity = wiredCapacity ?? wirelessCapacity |
|
| 2179 |
case .wireless: |
|
| 2180 |
preferredMinimumCurrent = configuredCompletionCurrents[ |
|
| 2181 |
ChargeSessionKind(chargingTransportMode: .wireless, chargingStateMode: preferredChargingStateMode) |
|
| 2182 |
] ?? learnedCompletionCurrents[ |
|
| 2183 |
ChargeSessionKind(chargingTransportMode: .wireless, chargingStateMode: preferredChargingStateMode) |
|
| 2184 |
] ?? configuredWirelessCompletionCurrent ?? wirelessMinimumCurrent ?? configuredWiredCompletionCurrent ?? wiredMinimumCurrent |
|
| 2185 |
preferredCapacity = wirelessCapacity ?? wiredCapacity |
|
| 2186 |
} |
|
| 2187 | ||
| 2188 |
setValue(wiredMinimumCurrent, on: chargedDevice, key: "wiredMinimumCurrentAmps") |
|
| 2189 |
setValue(wirelessMinimumCurrent, on: chargedDevice, key: "wirelessMinimumCurrentAmps") |
|
| 2190 |
setValue(encodedCompletionCurrents(learnedCompletionCurrents), on: chargedDevice, key: "learnedCompletionCurrentsRawValue") |
|
| 2191 |
setValue(wiredCapacity, on: chargedDevice, key: "wiredEstimatedBatteryCapacityWh") |
|
| 2192 |
setValue(wirelessCapacity, on: chargedDevice, key: "wirelessEstimatedBatteryCapacityWh") |
|
| 2193 |
setValue(wirelessEfficiency, on: chargedDevice, key: "wirelessChargerEfficiencyFactor") |
|
| 2194 |
setValue(encodedObservedVoltageSelections(chargerObservedVoltages), on: chargedDevice, key: "chargerObservedVoltageSelectionsRawValue") |
|
| 2195 |
setValue(chargerIdleCurrent, on: chargedDevice, key: "chargerIdleCurrentAmps") |
|
| 2196 |
setValue(chargerEfficiency, on: chargedDevice, key: "chargerEfficiencyFactor") |
|
| 2197 |
setValue(chargerMaximumPower, on: chargedDevice, key: "chargerMaximumPowerWatts") |
|
| 2198 |
setValue(preferredMinimumCurrent, on: chargedDevice, key: "minimumCurrentAmps") |
|
| 2199 |
setValue(preferredCapacity, on: chargedDevice, key: "estimatedBatteryCapacityWh") |
|
| 2200 |
setValue(Date(), on: chargedDevice, key: "updatedAt") |
|
| 2201 |
} |
|
| 2202 | ||
| 2203 |
private func buildCapacityHistory(from sessions: [ChargeSessionSummary]) -> [CapacityTrendPoint] {
|
|
| 2204 |
sessions |
|
| 2205 |
.filter { $0.status == .completed }
|
|
| 2206 |
.compactMap { session in
|
|
| 2207 |
guard let capacityEstimateWh = session.capacityEstimateWh else { return nil }
|
|
| 2208 |
let timestamp = session.endedAt ?? session.lastObservedAt |
|
| 2209 |
return CapacityTrendPoint( |
|
| 2210 |
sessionID: session.id, |
|
| 2211 |
timestamp: timestamp, |
|
| 2212 |
capacityWh: capacityEstimateWh, |
|
| 2213 |
chargingTransportMode: session.chargingTransportMode |
|
| 2214 |
) |
|
| 2215 |
} |
|
| 2216 |
.sorted { $0.timestamp < $1.timestamp }
|
|
| 2217 |
} |
|
| 2218 | ||
| 2219 |
private func buildTypicalCurve(from sessions: [ChargeSessionSummary]) -> [TypicalChargeCurvePoint] {
|
|
| 2220 |
var groupedEnergyByBin: [Int: [Double]] = [:] |
|
| 2221 |
var groupedChargeByBin: [Int: [Double]] = [:] |
|
| 2222 | ||
| 2223 |
for session in sessions where session.status == .completed {
|
|
| 2224 |
let anchors = normalizedTypicalCurveAnchors(for: session) |
|
| 2225 |
guard anchors.count >= 2 else {
|
|
| 2226 |
continue |
|
| 2227 |
} |
|
| 2228 | ||
| 2229 |
for percentBin in stride(from: 0, through: 100, by: 10) {
|
|
| 2230 |
guard let interpolatedPoint = interpolatedTypicalCurvePoint( |
|
| 2231 |
for: Double(percentBin), |
|
| 2232 |
anchors: anchors |
|
| 2233 |
) else {
|
|
| 2234 |
continue |
|
| 2235 |
} |
|
| 2236 | ||
| 2237 |
groupedEnergyByBin[percentBin, default: []].append(interpolatedPoint.energyWh) |
|
| 2238 |
groupedChargeByBin[percentBin, default: []].append(interpolatedPoint.chargeAh) |
|
| 2239 |
} |
|
| 2240 |
} |
|
| 2241 | ||
| 2242 |
let averagedPoints = groupedEnergyByBin.keys.sorted().compactMap { percentBin -> TypicalChargeCurvePoint? in
|
|
| 2243 |
guard |
|
| 2244 |
let energies = groupedEnergyByBin[percentBin], |
|
| 2245 |
let charges = groupedChargeByBin[percentBin], |
|
| 2246 |
!energies.isEmpty, |
|
| 2247 |
!charges.isEmpty |
|
| 2248 |
else {
|
|
| 2249 |
return nil |
|
| 2250 |
} |
|
| 2251 | ||
| 2252 |
return TypicalChargeCurvePoint( |
|
| 2253 |
percentBin: percentBin, |
|
| 2254 |
averageEnergyWh: energies.reduce(0, +) / Double(energies.count), |
|
| 2255 |
averageChargeAh: charges.reduce(0, +) / Double(charges.count), |
|
| 2256 |
sampleCount: min(energies.count, charges.count) |
|
| 2257 |
) |
|
| 2258 |
} |
|
| 2259 | ||
| 2260 |
var runningMaximumEnergyWh = 0.0 |
|
| 2261 |
var runningMaximumChargeAh = 0.0 |
|
| 2262 | ||
| 2263 |
return averagedPoints.map { point in
|
|
| 2264 |
runningMaximumEnergyWh = max(runningMaximumEnergyWh, point.averageEnergyWh) |
|
| 2265 |
runningMaximumChargeAh = max(runningMaximumChargeAh, point.averageChargeAh) |
|
| 2266 |
return TypicalChargeCurvePoint( |
|
| 2267 |
percentBin: point.percentBin, |
|
| 2268 |
averageEnergyWh: runningMaximumEnergyWh, |
|
| 2269 |
averageChargeAh: runningMaximumChargeAh, |
|
| 2270 |
sampleCount: point.sampleCount |
|
| 2271 |
) |
|
| 2272 |
} |
|
| 2273 |
} |
|
| 2274 | ||
| 2275 |
private func normalizedTypicalCurveAnchors( |
|
| 2276 |
for session: ChargeSessionSummary |
|
| 2277 |
) -> [(percent: Double, energyWh: Double, chargeAh: Double)] {
|
|
| 2278 |
struct Anchor {
|
|
| 2279 |
let percent: Double |
|
| 2280 |
let energyWh: Double |
|
| 2281 |
let chargeAh: Double |
|
| 2282 |
let timestamp: Date |
|
| 2283 |
} |
|
| 2284 | ||
| 2285 |
var anchors: [Anchor] = session.checkpoints.compactMap { checkpoint in
|
|
| 2286 |
guard checkpoint.batteryPercent.isFinite, |
|
| 2287 |
checkpoint.measuredEnergyWh.isFinite, |
|
| 2288 |
checkpoint.measuredChargeAh.isFinite, |
|
| 2289 |
checkpoint.batteryPercent >= 0, |
|
| 2290 |
checkpoint.batteryPercent <= 100, |
|
| 2291 |
checkpoint.measuredEnergyWh >= 0, |
|
| 2292 |
checkpoint.measuredChargeAh >= 0 else {
|
|
| 2293 |
return nil |
|
| 2294 |
} |
|
| 2295 | ||
| 2296 |
return Anchor( |
|
| 2297 |
percent: checkpoint.batteryPercent, |
|
| 2298 |
energyWh: checkpoint.measuredEnergyWh, |
|
| 2299 |
chargeAh: checkpoint.measuredChargeAh, |
|
| 2300 |
timestamp: checkpoint.timestamp |
|
| 2301 |
) |
|
| 2302 |
} |
|
| 2303 | ||
| 2304 |
if let startBatteryPercent = session.startBatteryPercent, |
|
| 2305 |
startBatteryPercent.isFinite, |
|
| 2306 |
startBatteryPercent >= 0, |
|
| 2307 |
startBatteryPercent <= 100 {
|
|
| 2308 |
anchors.append( |
|
| 2309 |
Anchor( |
|
| 2310 |
percent: startBatteryPercent, |
|
| 2311 |
energyWh: 0, |
|
| 2312 |
chargeAh: 0, |
|
| 2313 |
timestamp: session.startedAt |
|
| 2314 |
) |
|
| 2315 |
) |
|
| 2316 |
} |
|
| 2317 | ||
| 2318 |
if let endBatteryPercent = session.endBatteryPercent, |
|
| 2319 |
endBatteryPercent.isFinite, |
|
| 2320 |
endBatteryPercent >= 0, |
|
| 2321 |
endBatteryPercent <= 100 {
|
|
| 2322 |
anchors.append( |
|
| 2323 |
Anchor( |
|
| 2324 |
percent: endBatteryPercent, |
|
| 2325 |
energyWh: session.effectiveBatteryEnergyWh ?? session.measuredEnergyWh, |
|
| 2326 |
chargeAh: session.measuredChargeAh, |
|
| 2327 |
timestamp: session.endedAt ?? session.lastObservedAt |
|
| 2328 |
) |
|
| 2329 |
) |
|
| 2330 |
} |
|
| 2331 | ||
| 2332 |
let sortedAnchors = anchors.sorted { lhs, rhs in
|
|
| 2333 |
if lhs.percent != rhs.percent {
|
|
| 2334 |
return lhs.percent < rhs.percent |
|
| 2335 |
} |
|
| 2336 |
if lhs.energyWh != rhs.energyWh {
|
|
| 2337 |
return lhs.energyWh < rhs.energyWh |
|
| 2338 |
} |
|
| 2339 |
return lhs.timestamp < rhs.timestamp |
|
| 2340 |
} |
|
| 2341 | ||
| 2342 |
var collapsedAnchors: [(percent: Double, energyWh: Double, chargeAh: Double)] = [] |
|
| 2343 | ||
| 2344 |
for anchor in sortedAnchors {
|
|
| 2345 |
if let lastIndex = collapsedAnchors.indices.last, |
|
| 2346 |
abs(collapsedAnchors[lastIndex].percent - anchor.percent) < 0.000_1 {
|
|
| 2347 |
collapsedAnchors[lastIndex] = ( |
|
| 2348 |
percent: collapsedAnchors[lastIndex].percent, |
|
| 2349 |
energyWh: max(collapsedAnchors[lastIndex].energyWh, anchor.energyWh), |
|
| 2350 |
chargeAh: max(collapsedAnchors[lastIndex].chargeAh, anchor.chargeAh) |
|
| 2351 |
) |
|
| 2352 |
} else {
|
|
| 2353 |
collapsedAnchors.append( |
|
| 2354 |
(percent: anchor.percent, energyWh: anchor.energyWh, chargeAh: anchor.chargeAh) |
|
| 2355 |
) |
|
| 2356 |
} |
|
| 2357 |
} |
|
| 2358 | ||
| 2359 |
var runningMaximumEnergyWh = 0.0 |
|
| 2360 |
var runningMaximumChargeAh = 0.0 |
|
| 2361 | ||
| 2362 |
return collapsedAnchors.map { anchor in
|
|
| 2363 |
runningMaximumEnergyWh = max(runningMaximumEnergyWh, anchor.energyWh) |
|
| 2364 |
runningMaximumChargeAh = max(runningMaximumChargeAh, anchor.chargeAh) |
|
| 2365 |
return ( |
|
| 2366 |
percent: anchor.percent, |
|
| 2367 |
energyWh: runningMaximumEnergyWh, |
|
| 2368 |
chargeAh: runningMaximumChargeAh |
|
| 2369 |
) |
|
| 2370 |
} |
|
| 2371 |
} |
|
| 2372 | ||
| 2373 |
private func interpolatedTypicalCurvePoint( |
|
| 2374 |
for percent: Double, |
|
| 2375 |
anchors: [(percent: Double, energyWh: Double, chargeAh: Double)] |
|
| 2376 |
) -> (energyWh: Double, chargeAh: Double)? {
|
|
| 2377 |
guard |
|
| 2378 |
let firstAnchor = anchors.first, |
|
| 2379 |
let lastAnchor = anchors.last, |
|
| 2380 |
percent >= firstAnchor.percent, |
|
| 2381 |
percent <= lastAnchor.percent |
|
| 2382 |
else {
|
|
| 2383 |
return nil |
|
| 2384 |
} |
|
| 2385 | ||
| 2386 |
if let exactAnchor = anchors.first(where: { abs($0.percent - percent) < 0.000_1 }) {
|
|
| 2387 |
return (energyWh: exactAnchor.energyWh, chargeAh: exactAnchor.chargeAh) |
|
| 2388 |
} |
|
| 2389 | ||
| 2390 |
guard let upperIndex = anchors.firstIndex(where: { $0.percent > percent }),
|
|
| 2391 |
upperIndex > 0 else {
|
|
| 2392 |
return nil |
|
| 2393 |
} |
|
| 2394 | ||
| 2395 |
let lowerAnchor = anchors[upperIndex - 1] |
|
| 2396 |
let upperAnchor = anchors[upperIndex] |
|
| 2397 |
let span = upperAnchor.percent - lowerAnchor.percent |
|
| 2398 |
guard span > 0.000_1 else {
|
|
| 2399 |
return nil |
|
| 2400 |
} |
|
| 2401 | ||
| 2402 |
let ratio = (percent - lowerAnchor.percent) / span |
|
| 2403 |
let energyWh = lowerAnchor.energyWh + ((upperAnchor.energyWh - lowerAnchor.energyWh) * ratio) |
|
| 2404 |
let chargeAh = lowerAnchor.chargeAh + ((upperAnchor.chargeAh - lowerAnchor.chargeAh) * ratio) |
|
| 2405 |
return (energyWh: energyWh, chargeAh: chargeAh) |
|
| 2406 |
} |
|
| 2407 | ||
| 2408 |
private func makeSessionSummary( |
|
| 2409 |
from object: NSManagedObject, |
|
| 2410 |
checkpoints: [NSManagedObject], |
|
| 2411 |
samples: [NSManagedObject] |
|
| 2412 |
) -> ChargeSessionSummary? {
|
|
| 2413 |
let chargingTransportMode = chargingTransportMode(for: object) |
|
| 2414 | ||
| 2415 |
guard |
|
| 2416 |
let id = uuidValue(object, key: "id"), |
|
| 2417 |
let chargedDeviceID = uuidValue(object, key: "chargedDeviceID"), |
|
| 2418 |
let startedAt = dateValue(object, key: "startedAt"), |
|
| 2419 |
let lastObservedAt = dateValue(object, key: "lastObservedAt"), |
|
| 2420 |
let status = statusValue(object, key: "statusRawValue"), |
|
| 2421 |
let sourceMode = ChargeSessionSourceMode(rawValue: stringValue(object, key: "sourceModeRawValue") ?? "") |
|
| 2422 |
else {
|
|
| 2423 |
return nil |
|
| 2424 |
} |
|
| 2425 | ||
| 2426 |
let checkpointSummaries = checkpoints.compactMap(makeCheckpointSummary(from:)) |
|
| 2427 |
.sorted { $0.timestamp < $1.timestamp }
|
|
| 2428 |
let sampleSummaries = samples.compactMap(makeChargeSessionSampleSummary(from:)) |
|
| 2429 |
.sorted { lhs, rhs in
|
|
| 2430 |
if lhs.bucketIndex != rhs.bucketIndex {
|
|
| 2431 |
return lhs.bucketIndex < rhs.bucketIndex |
|
| 2432 |
} |
|
| 2433 |
return lhs.timestamp < rhs.timestamp |
|
| 2434 |
} |
|
| 2435 | ||
| 2436 |
return ChargeSessionSummary( |
|
| 2437 |
id: id, |
|
| 2438 |
chargedDeviceID: chargedDeviceID, |
|
| 2439 |
chargerID: uuidValue(object, key: "chargerID"), |
|
| 2440 |
meterMACAddress: stringValue(object, key: "meterMACAddress"), |
|
| 2441 |
meterName: stringValue(object, key: "meterName"), |
|
| 2442 |
meterModel: stringValue(object, key: "meterModel"), |
|
| 2443 |
startedAt: startedAt, |
|
| 2444 |
endedAt: dateValue(object, key: "endedAt"), |
|
| 2445 |
lastObservedAt: lastObservedAt, |
|
| 2446 |
pausedAt: dateValue(object, key: "pausedAt"), |
|
| 2447 |
status: status, |
|
| 2448 |
sourceMode: sourceMode, |
|
| 2449 |
chargingTransportMode: chargingTransportMode, |
|
| 2450 |
chargingStateMode: chargingStateMode(for: object), |
|
| 2451 |
autoStopEnabled: boolValue(object, key: "autoStopEnabled"), |
|
| 2452 |
measuredEnergyWh: doubleValue(object, key: "measuredEnergyWh"), |
|
| 2453 |
effectiveBatteryEnergyWh: optionalDoubleValue(object, key: "effectiveBatteryEnergyWh"), |
|
| 2454 |
measuredChargeAh: doubleValue(object, key: "measuredChargeAh"), |
|
| 2455 |
meterEnergyBaselineWh: optionalDoubleValue(object, key: "meterEnergyBaselineWh"), |
|
| 2456 |
meterChargeBaselineAh: optionalDoubleValue(object, key: "meterChargeBaselineAh"), |
|
| 2457 |
meterDurationBaselineSeconds: optionalDoubleValue(object, key: "meterDurationBaselineSeconds"), |
|
| 2458 |
meterLastDurationSeconds: optionalDoubleValue(object, key: "meterLastDurationSeconds"), |
|
| 2459 |
minimumObservedCurrentAmps: optionalDoubleValue(object, key: "minimumObservedCurrentAmps"), |
|
| 2460 |
maximumObservedCurrentAmps: optionalDoubleValue(object, key: "maximumObservedCurrentAmps"), |
|
| 2461 |
maximumObservedPowerWatts: optionalDoubleValue(object, key: "maximumObservedPowerWatts"), |
|
| 2462 |
maximumObservedVoltageVolts: chargingTransportMode == .wired |
|
| 2463 |
? optionalDoubleValue(object, key: "maximumObservedVoltageVolts") |
|
| 2464 |
: nil, |
|
| 2465 |
selectedSourceVoltageVolts: optionalDoubleValue(object, key: "selectedSourceVoltageVolts"), |
|
| 2466 |
completionCurrentAmps: optionalDoubleValue(object, key: "completionCurrentAmps"), |
|
| 2467 |
stopThresholdAmps: doubleValue(object, key: "stopThresholdAmps"), |
|
| 2468 |
startBatteryPercent: optionalDoubleValue(object, key: "startBatteryPercent"), |
|
| 2469 |
endBatteryPercent: optionalDoubleValue(object, key: "endBatteryPercent"), |
|
| 2470 |
capacityEstimateWh: optionalDoubleValue(object, key: "capacityEstimateWh"), |
|
| 2471 |
wirelessEfficiencyFactor: optionalDoubleValue(object, key: "wirelessEfficiencyFactor"), |
|
| 2472 |
usesEstimatedWirelessEfficiency: boolValue(object, key: "usesEstimatedWirelessEfficiency"), |
|
| 2473 |
shouldWarnAboutLowWirelessEfficiency: boolValue(object, key: "shouldWarnAboutLowWirelessEfficiency"), |
|
| 2474 |
supportsChargingWhileOff: boolValue(object, key: "supportsChargingWhileOff"), |
|
| 2475 |
usedOfflineMeterCounters: boolValue(object, key: "usedOfflineMeterCounters"), |
|
| 2476 |
targetBatteryPercent: optionalDoubleValue(object, key: "targetBatteryPercent"), |
|
| 2477 |
targetBatteryAlertTriggeredAt: dateValue(object, key: "targetBatteryAlertTriggeredAt"), |
|
| 2478 |
requiresCompletionConfirmation: boolValue(object, key: "requiresCompletionConfirmation"), |
|
| 2479 |
completionConfirmationRequestedAt: dateValue(object, key: "completionConfirmationRequestedAt"), |
|
| 2480 |
completionContradictionPercent: optionalDoubleValue(object, key: "completionContradictionPercent"), |
|
| 2481 |
selectedDataGroup: optionalInt16Value(object, key: "selectedDataGroup").map(UInt8.init), |
|
| 2482 |
trimStart: dateValue(object, key: "trimStart"), |
|
| 2483 |
trimEnd: dateValue(object, key: "trimEnd"), |
|
| 2484 |
checkpoints: checkpointSummaries, |
|
| 2485 |
aggregatedSamples: sampleSummaries |
|
| 2486 |
) |
|
| 2487 |
} |
|
| 2488 | ||
| 2489 |
private func makeCheckpointSummary(from object: NSManagedObject) -> ChargeCheckpointSummary? {
|
|
| 2490 |
guard |
|
| 2491 |
let id = uuidValue(object, key: "id"), |
|
| 2492 |
let sessionID = uuidValue(object, key: "sessionID"), |
|
| 2493 |
let chargedDeviceID = uuidValue(object, key: "chargedDeviceID"), |
|
| 2494 |
let timestamp = dateValue(object, key: "timestamp") |
|
| 2495 |
else {
|
|
| 2496 |
return nil |
|
| 2497 |
} |
|
| 2498 | ||
| 2499 |
return ChargeCheckpointSummary( |
|
| 2500 |
id: id, |
|
| 2501 |
sessionID: sessionID, |
|
| 2502 |
chargedDeviceID: chargedDeviceID, |
|
| 2503 |
timestamp: timestamp, |
|
| 2504 |
batteryPercent: doubleValue(object, key: "batteryPercent"), |
|
| 2505 |
measuredEnergyWh: doubleValue(object, key: "measuredEnergyWh"), |
|
| 2506 |
measuredChargeAh: doubleValue(object, key: "measuredChargeAh"), |
|
| 2507 |
currentAmps: doubleValue(object, key: "currentAmps"), |
|
| 2508 |
voltageVolts: optionalDoubleValue(object, key: "voltageVolts"), |
|
| 2509 |
label: stringValue(object, key: "label") |
|
| 2510 |
) |
|
| 2511 |
} |
|
| 2512 | ||
| 2513 |
private func makeChargeSessionSampleSummary(from object: NSManagedObject) -> ChargeSessionSampleSummary? {
|
|
| 2514 |
guard |
|
| 2515 |
let sessionID = uuidValue(object, key: "sessionID"), |
|
| 2516 |
let chargedDeviceID = uuidValue(object, key: "chargedDeviceID"), |
|
| 2517 |
let timestamp = dateValue(object, key: "timestamp") |
|
| 2518 |
else {
|
|
| 2519 |
return nil |
|
| 2520 |
} |
|
| 2521 | ||
| 2522 |
return ChargeSessionSampleSummary( |
|
| 2523 |
sessionID: sessionID, |
|
| 2524 |
chargedDeviceID: chargedDeviceID, |
|
| 2525 |
bucketIndex: Int(optionalInt32Value(object, key: "bucketIndex") ?? 0), |
|
| 2526 |
timestamp: timestamp, |
|
| 2527 |
averageCurrentAmps: doubleValue(object, key: "averageCurrentAmps"), |
|
| 2528 |
averageVoltageVolts: optionalDoubleValue(object, key: "averageVoltageVolts"), |
|
| 2529 |
averagePowerWatts: doubleValue(object, key: "averagePowerWatts"), |
|
| 2530 |
measuredEnergyWh: doubleValue(object, key: "measuredEnergyWh"), |
|
| 2531 |
measuredChargeAh: doubleValue(object, key: "measuredChargeAh"), |
|
| 2532 |
sampleCount: Int(optionalInt16Value(object, key: "sampleCount") ?? 0) |
|
| 2533 |
) |
|
| 2534 |
} |
|
| 2535 | ||
| 2536 |
private func fetchOpenSessionObject(forMeterMACAddress meterMACAddress: String) -> NSManagedObject? {
|
|
| 2537 |
fetchSessionObject( |
|
| 2538 |
predicate: NSPredicate( |
|
| 2539 |
format: "meterMACAddress == %@ AND (statusRawValue == %@ OR statusRawValue == %@)", |
|
| 2540 |
normalizedMACAddress(meterMACAddress), |
|
| 2541 |
ChargeSessionStatus.active.rawValue, |
|
| 2542 |
ChargeSessionStatus.paused.rawValue |
|
| 2543 |
) |
|
| 2544 |
) |
|
| 2545 |
} |
|
| 2546 | ||
| 2547 |
private func fetchOpenSessionObjects() -> [NSManagedObject] {
|
|
| 2548 |
let request = NSFetchRequest<NSManagedObject>(entityName: EntityName.chargeSession) |
|
| 2549 |
request.predicate = NSPredicate( |
|
| 2550 |
format: "statusRawValue == %@ OR statusRawValue == %@", |
|
| 2551 |
ChargeSessionStatus.active.rawValue, |
|
| 2552 |
ChargeSessionStatus.paused.rawValue |
|
| 2553 |
) |
|
| 2554 |
request.sortDescriptors = [NSSortDescriptor(key: "startedAt", ascending: true)] |
|
| 2555 |
return (try? context.fetch(request)) ?? [] |
|
| 2556 |
} |
|
| 2557 | ||
| 2558 |
private func fetchActiveSessionObject(forMeterMACAddress meterMACAddress: String) -> NSManagedObject? {
|
|
| 2559 |
fetchSessionObject( |
|
| 2560 |
predicate: NSPredicate( |
|
| 2561 |
format: "meterMACAddress == %@ AND statusRawValue == %@", |
|
| 2562 |
normalizedMACAddress(meterMACAddress), |
|
| 2563 |
ChargeSessionStatus.active.rawValue |
|
| 2564 |
) |
|
| 2565 |
) |
|
| 2566 |
} |
|
| 2567 | ||
| 2568 |
private func fetchSessionObject(predicate: NSPredicate) -> NSManagedObject? {
|
|
| 2569 |
let request = NSFetchRequest<NSManagedObject>(entityName: EntityName.chargeSession) |
|
| 2570 |
request.predicate = predicate |
|
| 2571 |
request.fetchLimit = 1 |
|
| 2572 |
request.sortDescriptors = [NSSortDescriptor(key: "startedAt", ascending: false)] |
|
| 2573 |
return (try? context.fetch(request))?.first |
|
| 2574 |
} |
|
| 2575 | ||
| 2576 |
private func fetchSessionObject(id: String) -> NSManagedObject? {
|
|
| 2577 |
fetchSessionObject( |
|
| 2578 |
predicate: NSPredicate(format: "id == %@", id) |
|
| 2579 |
) |
|
| 2580 |
} |
|
| 2581 | ||
| 2582 |
private func fetchSessionSampleObject(sessionID: String, bucketIndex: Int32) -> NSManagedObject? {
|
|
| 2583 |
let request = NSFetchRequest<NSManagedObject>(entityName: EntityName.chargeSessionSample) |
|
| 2584 |
request.predicate = NSPredicate( |
|
| 2585 |
format: "sessionID == %@ AND bucketIndex == %d", |
|
| 2586 |
sessionID, |
|
| 2587 |
bucketIndex |
|
| 2588 |
) |
|
| 2589 |
request.fetchLimit = 1 |
|
| 2590 |
return (try? context.fetch(request))?.first |
|
| 2591 |
} |
|
| 2592 | ||
| 2593 |
private func fetchSessionSampleObjects(forSessionID sessionID: String) -> [NSManagedObject] {
|
|
| 2594 |
let request = NSFetchRequest<NSManagedObject>(entityName: EntityName.chargeSessionSample) |
|
| 2595 |
request.predicate = NSPredicate(format: "sessionID == %@", sessionID) |
|
| 2596 |
return (try? context.fetch(request)) ?? [] |
|
| 2597 |
} |
|
| 2598 | ||
| 2599 |
private func fetchSessionSampleObjects(forSessionIDs sessionIDs: [String]) -> [NSManagedObject] {
|
|
| 2600 |
guard !sessionIDs.isEmpty else {
|
|
| 2601 |
return [] |
|
| 2602 |
} |
|
| 2603 | ||
| 2604 |
let request = NSFetchRequest<NSManagedObject>(entityName: EntityName.chargeSessionSample) |
|
| 2605 |
request.predicate = NSPredicate(format: "sessionID IN %@", sessionIDs) |
|
| 2606 |
return (try? context.fetch(request)) ?? [] |
|
| 2607 |
} |
|
| 2608 | ||
| 2609 |
private func fetchCheckpointObject(id: String, sessionID: String) -> NSManagedObject? {
|
|
| 2610 |
let request = NSFetchRequest<NSManagedObject>(entityName: EntityName.chargeCheckpoint) |
|
| 2611 |
request.predicate = NSPredicate(format: "id == %@ AND sessionID == %@", id, sessionID) |
|
| 2612 |
request.fetchLimit = 1 |
|
| 2613 |
return (try? context.fetch(request))?.first |
|
| 2614 |
} |
|
| 2615 | ||
| 2616 |
private func fetchCheckpointObjects(forSessionID sessionID: String) -> [NSManagedObject] {
|
|
| 2617 |
let request = NSFetchRequest<NSManagedObject>(entityName: EntityName.chargeCheckpoint) |
|
| 2618 |
request.predicate = NSPredicate(format: "sessionID == %@", sessionID) |
|
| 2619 |
request.sortDescriptors = [NSSortDescriptor(key: "timestamp", ascending: true)] |
|
| 2620 |
return (try? context.fetch(request)) ?? [] |
|
| 2621 |
} |
|
| 2622 | ||
| 2623 |
private func fetchSessions(forChargedDeviceID chargedDeviceID: String) -> [NSManagedObject] {
|
|
| 2624 |
let request = NSFetchRequest<NSManagedObject>(entityName: EntityName.chargeSession) |
|
| 2625 |
request.predicate = NSPredicate(format: "chargedDeviceID == %@", chargedDeviceID) |
|
| 2626 |
request.sortDescriptors = [NSSortDescriptor(key: "startedAt", ascending: true)] |
|
| 2627 |
return (try? context.fetch(request)) ?? [] |
|
| 2628 |
} |
|
| 2629 | ||
| 2630 |
private func fetchSessions(forChargerID chargerID: String) -> [NSManagedObject] {
|
|
| 2631 |
let request = NSFetchRequest<NSManagedObject>(entityName: EntityName.chargeSession) |
|
| 2632 |
request.predicate = NSPredicate(format: "chargerID == %@", chargerID) |
|
| 2633 |
request.sortDescriptors = [NSSortDescriptor(key: "startedAt", ascending: true)] |
|
| 2634 |
return (try? context.fetch(request)) ?? [] |
|
| 2635 |
} |
|
| 2636 | ||
| 2637 |
private func sampleBackedSessionIDs( |
|
| 2638 |
devices: [NSManagedObject], |
|
| 2639 |
sessionsByDeviceID: [String: [NSManagedObject]], |
|
| 2640 |
sessionsByChargerID: [String: [NSManagedObject]] |
|
| 2641 |
) -> Set<String> {
|
|
| 2642 |
var sessionIDs: Set<String> = [] |
|
| 2643 | ||
| 2644 |
for device in devices {
|
|
| 2645 |
guard |
|
| 2646 |
let deviceID = stringValue(device, key: "id"), |
|
| 2647 |
let rawClass = stringValue(device, key: "deviceClassRawValue"), |
|
| 2648 |
let deviceClass = ChargedDeviceClass(rawValue: rawClass) |
|
| 2649 |
else {
|
|
| 2650 |
continue |
|
| 2651 |
} |
|
| 2652 | ||
| 2653 |
let relevantSessions = relevantSessionObjects( |
|
| 2654 |
for: deviceID, |
|
| 2655 |
deviceClass: deviceClass, |
|
| 2656 |
sessionsByDeviceID: sessionsByDeviceID, |
|
| 2657 |
sessionsByChargerID: sessionsByChargerID |
|
| 2658 |
) |
|
| 2659 |
.sorted { lhs, rhs in
|
|
| 2660 |
let lhsStatus = statusValue(lhs, key: "statusRawValue") ?? .completed |
|
| 2661 |
let rhsStatus = statusValue(rhs, key: "statusRawValue") ?? .completed |
|
| 2662 | ||
| 2663 |
if lhsStatus.isOpen && !rhsStatus.isOpen {
|
|
| 2664 |
return true |
|
| 2665 |
} |
|
| 2666 |
if !lhsStatus.isOpen && rhsStatus.isOpen {
|
|
| 2667 |
return false |
|
| 2668 |
} |
|
| 2669 | ||
| 2670 |
return (dateValue(lhs, key: "startedAt") ?? .distantPast) |
|
| 2671 |
> (dateValue(rhs, key: "startedAt") ?? .distantPast) |
|
| 2672 |
} |
|
| 2673 | ||
| 2674 |
var recentCompletedSamplesIncluded = 0 |
|
| 2675 | ||
| 2676 |
for session in relevantSessions {
|
|
| 2677 |
guard let sessionID = stringValue(session, key: "id"), |
|
| 2678 |
let status = statusValue(session, key: "statusRawValue") else {
|
|
| 2679 |
continue |
|
| 2680 |
} |
|
| 2681 | ||
| 2682 |
if status.isOpen {
|
|
| 2683 |
sessionIDs.insert(sessionID) |
|
| 2684 |
continue |
|
| 2685 |
} |
|
| 2686 | ||
| 2687 |
guard recentCompletedSamplesIncluded < 2 else {
|
|
| 2688 |
continue |
|
| 2689 |
} |
|
| 2690 | ||
| 2691 |
sessionIDs.insert(sessionID) |
|
| 2692 |
recentCompletedSamplesIncluded += 1 |
|
| 2693 |
} |
|
| 2694 |
} |
|
| 2695 | ||
| 2696 |
return sessionIDs |
|
| 2697 |
} |
|
| 2698 | ||
| 2699 |
private func relevantSessionObjects( |
|
| 2700 |
for chargedDeviceID: String, |
|
| 2701 |
deviceClass: ChargedDeviceClass, |
|
| 2702 |
sessionsByDeviceID: [String: [NSManagedObject]], |
|
| 2703 |
sessionsByChargerID: [String: [NSManagedObject]] |
|
| 2704 |
) -> [NSManagedObject] {
|
|
| 2705 |
let directSessions = sessionsByDeviceID[chargedDeviceID] ?? [] |
|
| 2706 |
guard deviceClass == .charger else {
|
|
| 2707 |
return directSessions |
|
| 2708 |
} |
|
| 2709 | ||
| 2710 |
var seenSessionIDs = Set<String>() |
|
| 2711 |
return (directSessions + (sessionsByChargerID[chargedDeviceID] ?? [])) |
|
| 2712 |
.filter { session in
|
|
| 2713 |
let sessionID = stringValue(session, key: "id") ?? UUID().uuidString |
|
| 2714 |
return seenSessionIDs.insert(sessionID).inserted |
|
| 2715 |
} |
|
| 2716 |
.sorted {
|
|
| 2717 |
let lhsDate = dateValue($0, key: "startedAt") ?? .distantPast |
|
| 2718 |
let rhsDate = dateValue($1, key: "startedAt") ?? .distantPast |
|
| 2719 |
return lhsDate < rhsDate |
|
| 2720 |
} |
|
| 2721 |
} |
|
| 2722 | ||
| 2723 |
private func resolvedDeviceObject(for meterMACAddress: String) -> NSManagedObject? {
|
|
| 2724 |
resolvedAssignedObject(for: meterMACAddress, expectsChargerClass: false) |
|
| 2725 |
} |
|
| 2726 | ||
| 2727 |
private func resolvedChargerObject(for meterMACAddress: String) -> NSManagedObject? {
|
|
| 2728 |
resolvedAssignedObject(for: meterMACAddress, expectsChargerClass: true) |
|
| 2729 |
} |
|
| 2730 | ||
| 2731 |
private func resolvedAssignedObject( |
|
| 2732 |
for meterMACAddress: String, |
|
| 2733 |
expectsChargerClass: Bool |
|
| 2734 |
) -> NSManagedObject? {
|
|
| 2735 |
let normalizedMAC = normalizedMACAddress(meterMACAddress) |
|
| 2736 |
guard !normalizedMAC.isEmpty else { return nil }
|
|
| 2737 | ||
| 2738 |
let request = NSFetchRequest<NSManagedObject>(entityName: EntityName.chargedDevice) |
|
| 2739 |
request.predicate = NSPredicate(format: "lastAssociatedMeterMAC == %@", normalizedMAC) |
|
| 2740 |
request.sortDescriptors = [NSSortDescriptor(key: "updatedAt", ascending: false)] |
|
| 2741 |
let matches = (try? context.fetch(request)) ?? [] |
|
| 2742 |
return matches.first { object in
|
|
| 2743 |
isChargerObject(object) == expectsChargerClass |
|
| 2744 |
} |
|
| 2745 |
} |
|
| 2746 | ||
| 2747 |
private func isChargerObject(_ object: NSManagedObject) -> Bool {
|
|
| 2748 |
ChargedDeviceClass(rawValue: stringValue(object, key: "deviceClassRawValue") ?? "") == .charger |
|
| 2749 |
} |
|
| 2750 | ||
| 2751 |
private func fetchChargedDeviceObject(id: String) -> NSManagedObject? {
|
|
| 2752 |
let request = NSFetchRequest<NSManagedObject>(entityName: EntityName.chargedDevice) |
|
| 2753 |
request.predicate = NSPredicate(format: "id == %@", id) |
|
| 2754 |
request.fetchLimit = 1 |
|
| 2755 |
return (try? context.fetch(request))?.first |
|
| 2756 |
} |
|
| 2757 | ||
| 2758 |
private func fetchObjects(entityName: String) -> [NSManagedObject] {
|
|
| 2759 |
let request = NSFetchRequest<NSManagedObject>(entityName: entityName) |
|
| 2760 |
return (try? context.fetch(request)) ?? [] |
|
| 2761 |
} |
|
| 2762 | ||
| 2763 |
private func resolvedStopThreshold( |
|
| 2764 |
for chargedDevice: NSManagedObject, |
|
| 2765 |
chargingTransportMode: ChargingTransportMode, |
|
| 2766 |
chargingStateMode: ChargingStateMode, |
|
| 2767 |
charger: NSManagedObject?, |
|
| 2768 |
fallback: Double? |
|
| 2769 |
) -> Double? {
|
|
| 2770 |
if chargingTransportMode == .wireless, chargerIdleCurrent(for: charger) == nil {
|
|
| 2771 |
return nil |
|
| 2772 |
} |
|
| 2773 | ||
| 2774 |
let sessionKind = ChargeSessionKind( |
|
| 2775 |
chargingTransportMode: chargingTransportMode, |
|
| 2776 |
chargingStateMode: chargingStateMode |
|
| 2777 |
) |
|
| 2778 |
let configuredCurrents = decodedCompletionCurrents( |
|
| 2779 |
from: chargedDevice, |
|
| 2780 |
key: "configuredCompletionCurrentsRawValue" |
|
| 2781 |
) |
|
| 2782 |
let learnedCurrents = decodedCompletionCurrents( |
|
| 2783 |
from: chargedDevice, |
|
| 2784 |
key: "learnedCompletionCurrentsRawValue" |
|
| 2785 |
) |
|
| 2786 |
let legacyCurrent: Double? |
|
| 2787 |
switch chargingTransportMode {
|
|
| 2788 |
case .wired: |
|
| 2789 |
legacyCurrent = optionalDoubleValue(chargedDevice, key: "wiredChargeCompletionCurrentAmps") |
|
| 2790 |
?? optionalDoubleValue(chargedDevice, key: "wiredMinimumCurrentAmps") |
|
| 2791 |
?? optionalDoubleValue(chargedDevice, key: "minimumCurrentAmps") |
|
| 2792 |
case .wireless: |
|
| 2793 |
legacyCurrent = optionalDoubleValue(chargedDevice, key: "wirelessChargeCompletionCurrentAmps") |
|
| 2794 |
?? optionalDoubleValue(chargedDevice, key: "wirelessMinimumCurrentAmps") |
|
| 2795 |
?? optionalDoubleValue(chargedDevice, key: "minimumCurrentAmps") |
|
| 2796 |
} |
|
| 2797 | ||
| 2798 |
let resolvedCurrent = configuredCurrents[sessionKind] |
|
| 2799 |
?? learnedCurrents[sessionKind] |
|
| 2800 |
?? legacyCurrent |
|
| 2801 |
?? fallback |
|
| 2802 |
guard let resolvedCurrent, resolvedCurrent > 0 else {
|
|
| 2803 |
return nil |
|
| 2804 |
} |
|
| 2805 |
return max(resolvedCurrent, 0.01) |
|
| 2806 |
} |
|
| 2807 | ||
| 2808 |
private func fallbackChargingTransportMode(for chargedDevice: NSManagedObject) -> ChargingTransportMode {
|
|
| 2809 |
let supportsWiredCharging = supportsWiredCharging(for: chargedDevice) |
|
| 2810 |
let supportsWirelessCharging = supportsWirelessCharging(for: chargedDevice) |
|
| 2811 |
return resolvedPreferredChargingTransportMode( |
|
| 2812 |
.wired, |
|
| 2813 |
supportsWiredCharging: supportsWiredCharging, |
|
| 2814 |
supportsWirelessCharging: supportsWirelessCharging |
|
| 2815 |
) |
|
| 2816 |
} |
|
| 2817 | ||
| 2818 |
private func deviceClass(for object: NSManagedObject) -> ChargedDeviceClass {
|
|
| 2819 |
ChargedDeviceClass(rawValue: stringValue(object, key: "deviceClassRawValue") ?? "") ?? .other |
|
| 2820 |
} |
|
| 2821 | ||
| 2822 |
private func normalizedTemplateID( |
|
| 2823 |
_ templateID: String?, |
|
| 2824 |
kind: ChargedDeviceKind |
|
| 2825 |
) -> String? {
|
|
| 2826 |
guard let templateID, |
|
| 2827 |
let templateDefinition = ChargedDeviceTemplateCatalog.shared.template(id: templateID), |
|
| 2828 |
templateDefinition.kind == kind else {
|
|
| 2829 |
return nil |
|
| 2830 |
} |
|
| 2831 |
return templateDefinition.id |
|
| 2832 |
} |
|
| 2833 | ||
| 2834 |
private func templateDefinition(for chargedDevice: NSManagedObject) -> ChargedDeviceTemplateDefinition? {
|
|
| 2835 |
guard let templateID = stringValue(chargedDevice, key: "deviceTemplateID"), |
|
| 2836 |
let templateDefinition = ChargedDeviceTemplateCatalog.shared.template(id: templateID), |
|
| 2837 |
templateDefinition.kind == deviceClass(for: chargedDevice).kind else {
|
|
| 2838 |
return nil |
|
| 2839 |
} |
|
| 2840 |
return templateDefinition |
|
| 2841 |
} |
|
| 2842 | ||
| 2843 |
private func supportsWiredCharging(for chargedDevice: NSManagedObject) -> Bool {
|
|
| 2844 |
let persistedWiredCharging = chargedDevice.value(forKey: "supportsWiredCharging") == nil |
|
| 2845 |
? true |
|
| 2846 |
: boolValue(chargedDevice, key: "supportsWiredCharging") |
|
| 2847 |
let persistedWirelessCharging = chargedDevice.value(forKey: "supportsWirelessCharging") == nil |
|
| 2848 |
? false |
|
| 2849 |
: boolValue(chargedDevice, key: "supportsWirelessCharging") |
|
| 2850 |
return deviceClass(for: chargedDevice).normalizedChargingSupport( |
|
| 2851 |
supportsWiredCharging: persistedWiredCharging, |
|
| 2852 |
supportsWirelessCharging: persistedWirelessCharging |
|
| 2853 |
).wired |
|
| 2854 |
} |
|
| 2855 | ||
| 2856 |
private func supportsWirelessCharging(for chargedDevice: NSManagedObject) -> Bool {
|
|
| 2857 |
let persistedWiredCharging = chargedDevice.value(forKey: "supportsWiredCharging") == nil |
|
| 2858 |
? true |
|
| 2859 |
: boolValue(chargedDevice, key: "supportsWiredCharging") |
|
| 2860 |
let persistedWirelessCharging = chargedDevice.value(forKey: "supportsWirelessCharging") == nil |
|
| 2861 |
? false |
|
| 2862 |
: boolValue(chargedDevice, key: "supportsWirelessCharging") |
|
| 2863 |
return deviceClass(for: chargedDevice).normalizedChargingSupport( |
|
| 2864 |
supportsWiredCharging: persistedWiredCharging, |
|
| 2865 |
supportsWirelessCharging: persistedWirelessCharging |
|
| 2866 |
).wireless |
|
| 2867 |
} |
|
| 2868 | ||
| 2869 |
private func chargingStateAvailability(for chargedDevice: NSManagedObject) -> ChargingStateAvailability {
|
|
| 2870 |
let persistedAvailability = stringValue(chargedDevice, key: "chargingStateAvailabilityRawValue") |
|
| 2871 |
.flatMap(ChargingStateAvailability.init(rawValue:)) |
|
| 2872 |
?? ChargingStateAvailability.fallback( |
|
| 2873 |
for: boolValue(chargedDevice, key: "supportsChargingWhileOff") |
|
| 2874 |
) |
|
| 2875 |
return deviceClass(for: chargedDevice).normalizedChargingStateAvailability(persistedAvailability) |
|
| 2876 |
} |
|
| 2877 | ||
| 2878 |
private func chargingStateMode(for session: NSManagedObject) -> ChargingStateMode {
|
|
| 2879 |
if let chargedDeviceID = stringValue(session, key: "chargedDeviceID"), |
|
| 2880 |
let chargedDevice = fetchChargedDeviceObject(id: chargedDeviceID) {
|
|
| 2881 |
let persistedChargingStateMode = stringValue(session, key: "chargingStateRawValue") |
|
| 2882 |
.flatMap(ChargingStateMode.init(rawValue:)) |
|
| 2883 |
?? .on |
|
| 2884 |
return resolvedChargingStateMode( |
|
| 2885 |
persistedChargingStateMode, |
|
| 2886 |
availability: chargingStateAvailability(for: chargedDevice) |
|
| 2887 |
) |
|
| 2888 |
} |
|
| 2889 | ||
| 2890 |
if let rawValue = stringValue(session, key: "chargingStateRawValue"), |
|
| 2891 |
let chargingStateMode = ChargingStateMode(rawValue: rawValue) {
|
|
| 2892 |
return chargingStateMode |
|
| 2893 |
} |
|
| 2894 | ||
| 2895 |
return .on |
|
| 2896 |
} |
|
| 2897 | ||
| 2898 |
private func resolvedChargingStateMode( |
|
| 2899 |
_ chargingStateMode: ChargingStateMode, |
|
| 2900 |
availability: ChargingStateAvailability |
|
| 2901 |
) -> ChargingStateMode {
|
|
| 2902 |
if availability.supportedModes.contains(chargingStateMode) {
|
|
| 2903 |
return chargingStateMode |
|
| 2904 |
} |
|
| 2905 |
return availability.supportedModes.first ?? .on |
|
| 2906 |
} |
|
| 2907 | ||
| 2908 |
private func chargerType(for chargedDevice: NSManagedObject) -> ChargerType? {
|
|
| 2909 |
let deviceClass = ChargedDeviceClass(rawValue: stringValue(chargedDevice, key: "deviceClassRawValue") ?? "") ?? .other |
|
| 2910 |
guard deviceClass == .charger else { return nil }
|
|
| 2911 | ||
| 2912 |
// Primary: chargerTypeRawValue (set on v13+) |
|
| 2913 |
if let rawValue = stringValue(chargedDevice, key: "chargerTypeRawValue"), |
|
| 2914 |
let type = ChargerType(rawValue: rawValue) {
|
|
| 2915 |
return type |
|
| 2916 |
} |
|
| 2917 | ||
| 2918 |
// Migration fallback: derive from old deviceTemplateID |
|
| 2919 |
switch stringValue(chargedDevice, key: "deviceTemplateID") {
|
|
| 2920 |
case "apple-magsafe-charger": return .appleMagSafe |
|
| 2921 |
case "apple-watch-charger": return .appleWatch |
|
| 2922 |
default: break |
|
| 2923 |
} |
|
| 2924 | ||
| 2925 |
// Last resort: derive from wirelessChargingProfileRawValue |
|
| 2926 |
if let rawValue = stringValue(chargedDevice, key: "wirelessChargingProfileRawValue"), |
|
| 2927 |
let profile = WirelessChargingProfile(rawValue: rawValue), |
|
| 2928 |
profile == .magsafe {
|
|
| 2929 |
return .genericMagSafe |
|
| 2930 |
} |
|
| 2931 | ||
| 2932 |
return .genericQi |
|
| 2933 |
} |
|
| 2934 | ||
| 2935 |
private func wirelessChargingProfile(for chargedDevice: NSManagedObject) -> WirelessChargingProfile {
|
|
| 2936 |
if let type = chargerType(for: chargedDevice) {
|
|
| 2937 |
return type.wirelessChargingProfile |
|
| 2938 |
} |
|
| 2939 |
guard let rawValue = stringValue(chargedDevice, key: "wirelessChargingProfileRawValue"), |
|
| 2940 |
let profile = WirelessChargingProfile(rawValue: rawValue) else {
|
|
| 2941 |
return .genericQi |
|
| 2942 |
} |
|
| 2943 |
return profile |
|
| 2944 |
} |
|
| 2945 | ||
| 2946 |
private func resolvedPreferredChargingTransportMode( |
|
| 2947 |
_ preferredChargingTransportMode: ChargingTransportMode, |
|
| 2948 |
supportsWiredCharging: Bool, |
|
| 2949 |
supportsWirelessCharging: Bool |
|
| 2950 |
) -> ChargingTransportMode {
|
|
| 2951 |
switch preferredChargingTransportMode {
|
|
| 2952 |
case .wired where supportsWiredCharging: |
|
| 2953 |
return .wired |
|
| 2954 |
case .wireless where supportsWirelessCharging: |
|
| 2955 |
return .wireless |
|
| 2956 |
default: |
|
| 2957 |
if supportsWiredCharging {
|
|
| 2958 |
return .wired |
|
| 2959 |
} |
|
| 2960 |
if supportsWirelessCharging {
|
|
| 2961 |
return .wireless |
|
| 2962 |
} |
|
| 2963 |
return .wired |
|
| 2964 |
} |
|
| 2965 |
} |
|
| 2966 | ||
| 2967 |
private func encodedCompletionCurrents(_ currents: [ChargeSessionKind: Double]) -> String? {
|
|
| 2968 |
let payload = Dictionary( |
|
| 2969 |
uniqueKeysWithValues: currents.map { key, value in
|
|
| 2970 |
(key.rawValue, value) |
|
| 2971 |
} |
|
| 2972 |
) |
|
| 2973 |
guard let data = try? JSONSerialization.data(withJSONObject: payload, options: [.sortedKeys]) else {
|
|
| 2974 |
return nil |
|
| 2975 |
} |
|
| 2976 |
return String(data: data, encoding: .utf8) |
|
| 2977 |
} |
|
| 2978 | ||
| 2979 |
private func decodedCompletionCurrents( |
|
| 2980 |
from object: NSManagedObject, |
|
| 2981 |
key: String |
|
| 2982 |
) -> [ChargeSessionKind: Double] {
|
|
| 2983 |
guard let rawValue = stringValue(object, key: key), |
|
| 2984 |
let data = rawValue.data(using: .utf8), |
|
| 2985 |
let payload = try? JSONSerialization.jsonObject(with: data) as? [String: Double] else {
|
|
| 2986 |
return [:] |
|
| 2987 |
} |
|
| 2988 | ||
| 2989 |
return payload.reduce(into: [ChargeSessionKind: Double]()) { result, entry in
|
|
| 2990 |
guard let sessionKind = ChargeSessionKind(rawValue: entry.key), entry.value > 0 else {
|
|
| 2991 |
return |
|
| 2992 |
} |
|
| 2993 |
result[sessionKind] = entry.value |
|
| 2994 |
} |
|
| 2995 |
} |
|
| 2996 | ||
| 2997 |
private func legacyConfiguredCompletionCurrent( |
|
| 2998 |
for currents: [ChargeSessionKind: Double], |
|
| 2999 |
chargingTransportMode: ChargingTransportMode |
|
| 3000 |
) -> Double? {
|
|
| 3001 |
let candidates = currents |
|
| 3002 |
.filter { $0.key.chargingTransportMode == chargingTransportMode }
|
|
| 3003 |
.sorted { lhs, rhs in
|
|
| 3004 |
lhs.key.rawValue < rhs.key.rawValue |
|
| 3005 |
} |
|
| 3006 |
.map(\.value) |
|
| 3007 |
return candidates.first |
|
| 3008 |
} |
|
| 3009 | ||
| 3010 |
private func chargerIdleCurrent(for charger: NSManagedObject?) -> Double? {
|
|
| 3011 |
guard let charger else {
|
|
| 3012 |
return nil |
|
| 3013 |
} |
|
| 3014 |
let idleCurrent = optionalDoubleValue(charger, key: "chargerIdleCurrentAmps") |
|
| 3015 |
guard let idleCurrent, idleCurrent >= 0 else {
|
|
| 3016 |
return nil |
|
| 3017 |
} |
|
| 3018 |
return idleCurrent |
|
| 3019 |
} |
|
| 3020 | ||
| 3021 |
private func effectiveCurrentAmps( |
|
| 3022 |
fromMeasuredCurrent currentAmps: Double, |
|
| 3023 |
chargingTransportMode: ChargingTransportMode, |
|
| 3024 |
charger: NSManagedObject? |
|
| 3025 |
) -> Double {
|
|
| 3026 |
switch chargingTransportMode {
|
|
| 3027 |
case .wired: |
|
| 3028 |
return max(currentAmps, 0) |
|
| 3029 |
case .wireless: |
|
| 3030 |
guard let idleCurrent = chargerIdleCurrent(for: charger) else {
|
|
| 3031 |
return max(currentAmps, 0) |
|
| 3032 |
} |
|
| 3033 |
return max(currentAmps - idleCurrent, 0) |
|
| 3034 |
} |
|
| 3035 |
} |
|
| 3036 | ||
| 3037 |
private func hasObservedChargeFlow( |
|
| 3038 |
currentAmps: Double, |
|
| 3039 |
chargingTransportMode: ChargingTransportMode, |
|
| 3040 |
charger: NSManagedObject?, |
|
| 3041 |
stopThreshold: Double? |
|
| 3042 |
) -> Bool {
|
|
| 3043 |
let effectiveCurrent = effectiveCurrentAmps( |
|
| 3044 |
fromMeasuredCurrent: currentAmps, |
|
| 3045 |
chargingTransportMode: chargingTransportMode, |
|
| 3046 |
charger: charger |
|
| 3047 |
) |
|
| 3048 |
return effectiveCurrent > max(stopThreshold ?? 0, 0.05) |
|
| 3049 |
} |
|
| 3050 | ||
| 3051 |
private func derivedMinimumCurrent( |
|
| 3052 |
from sessions: [NSManagedObject], |
|
| 3053 |
chargingTransportMode: ChargingTransportMode |
|
| 3054 |
) -> Double? {
|
|
| 3055 |
let completionCurrents = sessions.compactMap { session -> Double? in
|
|
| 3056 |
guard statusValue(session, key: "statusRawValue") == .completed else { return nil }
|
|
| 3057 |
guard self.chargingTransportMode(for: session) == chargingTransportMode else {
|
|
| 3058 |
return nil |
|
| 3059 |
} |
|
| 3060 |
guard (optionalDoubleValue(session, key: "endBatteryPercent") ?? 0) >= 99.5 else {
|
|
| 3061 |
return nil |
|
| 3062 |
} |
|
| 3063 |
guard let completionCurrent = optionalDoubleValue(session, key: "completionCurrentAmps"), completionCurrent > 0 else {
|
|
| 3064 |
return nil |
|
| 3065 |
} |
|
| 3066 |
return completionCurrent |
|
| 3067 |
} |
|
| 3068 | ||
| 3069 |
let recentCompletionCurrents = Array(completionCurrents.suffix(5)) |
|
| 3070 |
guard !recentCompletionCurrents.isEmpty else { return nil }
|
|
| 3071 |
return recentCompletionCurrents.reduce(0, +) / Double(recentCompletionCurrents.count) |
|
| 3072 |
} |
|
| 3073 | ||
| 3074 |
private func derivedCompletionCurrents(from sessions: [NSManagedObject]) -> [ChargeSessionKind: Double] {
|
|
| 3075 |
var groupedCurrents: [ChargeSessionKind: [Double]] = [:] |
|
| 3076 | ||
| 3077 |
for session in sessions {
|
|
| 3078 |
guard statusValue(session, key: "statusRawValue") == .completed else {
|
|
| 3079 |
continue |
|
| 3080 |
} |
|
| 3081 |
guard (optionalDoubleValue(session, key: "endBatteryPercent") ?? 0) >= 99.5 else {
|
|
| 3082 |
continue |
|
| 3083 |
} |
|
| 3084 |
guard let completionCurrent = optionalDoubleValue(session, key: "completionCurrentAmps"), |
|
| 3085 |
completionCurrent > 0 else {
|
|
| 3086 |
continue |
|
| 3087 |
} |
|
| 3088 | ||
| 3089 |
let sessionKind = ChargeSessionKind( |
|
| 3090 |
chargingTransportMode: chargingTransportMode(for: session), |
|
| 3091 |
chargingStateMode: chargingStateMode(for: session) |
|
| 3092 |
) |
|
| 3093 |
groupedCurrents[sessionKind, default: []].append(completionCurrent) |
|
| 3094 |
} |
|
| 3095 | ||
| 3096 |
return groupedCurrents.reduce(into: [ChargeSessionKind: Double]()) { result, entry in
|
|
| 3097 |
let recentCurrents = Array(entry.value.suffix(5)) |
|
| 3098 |
guard !recentCurrents.isEmpty else {
|
|
| 3099 |
return |
|
| 3100 |
} |
|
| 3101 |
result[entry.key] = recentCurrents.reduce(0, +) / Double(recentCurrents.count) |
|
| 3102 |
} |
|
| 3103 |
} |
|
| 3104 | ||
| 3105 |
private func derivedCapacity( |
|
| 3106 |
from sessions: [NSManagedObject], |
|
| 3107 |
chargingTransportMode: ChargingTransportMode, |
|
| 3108 |
supportsChargingWhileOff: Bool |
|
| 3109 |
) -> Double? {
|
|
| 3110 |
let capacityCandidates = sessions.compactMap { session -> Double? in
|
|
| 3111 |
guard statusValue(session, key: "statusRawValue") == .completed else { return nil }
|
|
| 3112 |
guard self.chargingTransportMode(for: session) == chargingTransportMode else {
|
|
| 3113 |
return nil |
|
| 3114 |
} |
|
| 3115 |
guard let capacityEstimate = optionalDoubleValue(session, key: "capacityEstimateWh"), capacityEstimate > 0 else {
|
|
| 3116 |
return nil |
|
| 3117 |
} |
|
| 3118 |
if supportsChargingWhileOff {
|
|
| 3119 |
return capacityEstimate |
|
| 3120 |
} |
|
| 3121 |
guard let endBatteryPercent = optionalDoubleValue(session, key: "endBatteryPercent"), endBatteryPercent < 99.5 else {
|
|
| 3122 |
return nil |
|
| 3123 |
} |
|
| 3124 |
return capacityEstimate |
|
| 3125 |
} |
|
| 3126 | ||
| 3127 |
let recentCapacityCandidates = Array(capacityCandidates.suffix(6)) |
|
| 3128 |
guard !recentCapacityCandidates.isEmpty else { return nil }
|
|
| 3129 |
return recentCapacityCandidates.reduce(0, +) / Double(recentCapacityCandidates.count) |
|
| 3130 |
} |
|
| 3131 | ||
| 3132 |
private func derivedWirelessEfficiency( |
|
| 3133 |
from sessions: [NSManagedObject], |
|
| 3134 |
chargingProfile: WirelessChargingProfile |
|
| 3135 |
) -> Double? {
|
|
| 3136 |
guard chargingProfile == .magsafe else {
|
|
| 3137 |
return nil |
|
| 3138 |
} |
|
| 3139 | ||
| 3140 |
let candidates = sessions.compactMap { session -> Double? in
|
|
| 3141 |
guard statusValue(session, key: "statusRawValue") == .completed else { return nil }
|
|
| 3142 |
guard chargingTransportMode(for: session) == .wireless else { return nil }
|
|
| 3143 |
guard boolValue(session, key: "usesEstimatedWirelessEfficiency") == false else { return nil }
|
|
| 3144 |
guard let factor = optionalDoubleValue(session, key: "wirelessEfficiencyFactor"), factor > 0 else {
|
|
| 3145 |
return nil |
|
| 3146 |
} |
|
| 3147 |
return factor |
|
| 3148 |
} |
|
| 3149 | ||
| 3150 |
let recentCandidates = Array(candidates.suffix(6)) |
|
| 3151 |
guard !recentCandidates.isEmpty else { return nil }
|
|
| 3152 |
return recentCandidates.reduce(0, +) / Double(recentCandidates.count) |
|
| 3153 |
} |
|
| 3154 | ||
| 3155 |
private func derivedObservedVoltageSelections(from sessions: [NSManagedObject]) -> [Double] {
|
|
| 3156 |
let candidates = sessions.compactMap { session -> Double? in
|
|
| 3157 |
guard statusValue(session, key: "statusRawValue") == .completed else { return nil }
|
|
| 3158 |
guard let sourceVoltage = optionalDoubleValue(session, key: "selectedSourceVoltageVolts"), sourceVoltage > 0 else {
|
|
| 3159 |
return nil |
|
| 3160 |
} |
|
| 3161 |
return (sourceVoltage * 10).rounded() / 10 |
|
| 3162 |
} |
|
| 3163 | ||
| 3164 |
let counts = Dictionary(grouping: candidates, by: { $0 }).mapValues(\.count)
|
|
| 3165 |
return counts.keys.sorted() |
|
| 3166 |
} |
|
| 3167 | ||
| 3168 |
private func derivedIdleCurrent(from sessions: [NSManagedObject]) -> Double? {
|
|
| 3169 |
let candidates = sessions.compactMap { session -> Double? in
|
|
| 3170 |
guard statusValue(session, key: "statusRawValue") == .completed else { return nil }
|
|
| 3171 |
guard let minimumObservedCurrent = optionalDoubleValue(session, key: "minimumObservedCurrentAmps"), minimumObservedCurrent > 0 else {
|
|
| 3172 |
return nil |
|
| 3173 |
} |
|
| 3174 |
return minimumObservedCurrent |
|
| 3175 |
} |
|
| 3176 | ||
| 3177 |
let recentCandidates = Array(candidates.suffix(6)) |
|
| 3178 |
guard !recentCandidates.isEmpty else { return nil }
|
|
| 3179 |
return recentCandidates.reduce(0, +) / Double(recentCandidates.count) |
|
| 3180 |
} |
|
| 3181 | ||
| 3182 |
private func derivedChargerEfficiency(from sessions: [NSManagedObject]) -> Double? {
|
|
| 3183 |
let candidates = sessions.compactMap { session -> Double? in
|
|
| 3184 |
guard statusValue(session, key: "statusRawValue") == .completed else { return nil }
|
|
| 3185 |
guard let factor = optionalDoubleValue(session, key: "wirelessEfficiencyFactor"), factor > 0 else {
|
|
| 3186 |
return nil |
|
| 3187 |
} |
|
| 3188 |
return factor |
|
| 3189 |
} |
|
| 3190 | ||
| 3191 |
let recentCandidates = Array(candidates.suffix(6)) |
|
| 3192 |
guard !recentCandidates.isEmpty else { return nil }
|
|
| 3193 |
return recentCandidates.reduce(0, +) / Double(recentCandidates.count) |
|
| 3194 |
} |
|
| 3195 | ||
| 3196 |
private func derivedMaximumPower(from sessions: [NSManagedObject]) -> Double? {
|
|
| 3197 |
sessions.compactMap { session -> Double? in
|
|
| 3198 |
guard statusValue(session, key: "statusRawValue") == .completed else { return nil }
|
|
| 3199 |
guard let maximumObservedPower = optionalDoubleValue(session, key: "maximumObservedPowerWatts"), maximumObservedPower > 0 else {
|
|
| 3200 |
return nil |
|
| 3201 |
} |
|
| 3202 |
return maximumObservedPower |
|
| 3203 |
} |
|
| 3204 |
.max() |
|
| 3205 |
} |
|
| 3206 | ||
| 3207 |
private func chargingTransportMode(for session: NSManagedObject) -> ChargingTransportMode {
|
|
| 3208 |
if let chargedDeviceID = stringValue(session, key: "chargedDeviceID"), |
|
| 3209 |
let chargedDevice = fetchChargedDeviceObject(id: chargedDeviceID) {
|
|
| 3210 |
return resolvedPreferredChargingTransportMode( |
|
| 3211 |
chargingTransportModeValue(session, key: "chargingTransportRawValue") ?? .wired, |
|
| 3212 |
supportsWiredCharging: supportsWiredCharging(for: chargedDevice), |
|
| 3213 |
supportsWirelessCharging: supportsWirelessCharging(for: chargedDevice) |
|
| 3214 |
) |
|
| 3215 |
} |
|
| 3216 | ||
| 3217 |
if let persistedChargingTransportMode = chargingTransportModeValue(session, key: "chargingTransportRawValue") {
|
|
| 3218 |
return persistedChargingTransportMode |
|
| 3219 |
} |
|
| 3220 | ||
| 3221 |
return .wired |
|
| 3222 |
} |
|
| 3223 | ||
| 3224 |
private func saveReason(for session: NSManagedObject, observedAt: Date) -> ObservationSaveReason {
|
|
| 3225 |
if session.isInserted {
|
|
| 3226 |
return .created |
|
| 3227 |
} |
|
| 3228 | ||
| 3229 |
let committedValues = session.committedValues( |
|
| 3230 |
forKeys: [ |
|
| 3231 |
"statusRawValue", |
|
| 3232 |
"updatedAt", |
|
| 3233 |
"targetBatteryAlertTriggeredAt", |
|
| 3234 |
"requiresCompletionConfirmation" |
|
| 3235 |
] |
|
| 3236 |
) |
|
| 3237 |
let committedStatus = (committedValues["statusRawValue"] as? String).flatMap(ChargeSessionStatus.init(rawValue:)) |
|
| 3238 |
let currentStatus = statusValue(session, key: "statusRawValue") |
|
| 3239 |
let committedTargetAlertTriggeredAt = committedValues["targetBatteryAlertTriggeredAt"] as? Date |
|
| 3240 |
let currentTargetAlertTriggeredAt = dateValue(session, key: "targetBatteryAlertTriggeredAt") |
|
| 3241 |
let committedRequiresCompletionConfirmation = (committedValues["requiresCompletionConfirmation"] as? NSNumber)?.boolValue |
|
| 3242 |
?? (committedValues["requiresCompletionConfirmation"] as? Bool) |
|
| 3243 |
?? false |
|
| 3244 |
let currentRequiresCompletionConfirmation = boolValue(session, key: "requiresCompletionConfirmation") |
|
| 3245 | ||
| 3246 |
if currentStatus == .completed, committedStatus != .completed {
|
|
| 3247 |
return .completed |
|
| 3248 |
} |
|
| 3249 | ||
| 3250 |
if currentStatus != committedStatus {
|
|
| 3251 |
return .event |
|
| 3252 |
} |
|
| 3253 | ||
| 3254 |
if committedTargetAlertTriggeredAt != currentTargetAlertTriggeredAt |
|
| 3255 |
|| committedRequiresCompletionConfirmation != currentRequiresCompletionConfirmation {
|
|
| 3256 |
return .event |
|
| 3257 |
} |
|
| 3258 | ||
| 3259 |
let lastPersistedAt = (committedValues["updatedAt"] as? Date) |
|
| 3260 |
?? dateValue(session, key: "createdAt") |
|
| 3261 |
?? observedAt |
|
| 3262 | ||
| 3263 |
if observedAt.timeIntervalSince(lastPersistedAt) >= activeSessionSaveInterval {
|
|
| 3264 |
return .periodic |
|
| 3265 |
} |
|
| 3266 | ||
| 3267 |
return .none |
|
| 3268 |
} |
|
| 3269 | ||
| 3270 |
private func shouldPersistAggregatedSample( |
|
| 3271 |
_ sample: NSManagedObject, |
|
| 3272 |
observedAt: Date |
|
| 3273 |
) -> Bool {
|
|
| 3274 |
if sample.isInserted {
|
|
| 3275 |
return true |
|
| 3276 |
} |
|
| 3277 | ||
| 3278 |
let committedValues = sample.committedValues(forKeys: ["updatedAt"]) |
|
| 3279 |
let lastPersistedAt = (committedValues["updatedAt"] as? Date) |
|
| 3280 |
?? dateValue(sample, key: "createdAt") |
|
| 3281 |
?? observedAt |
|
| 3282 | ||
| 3283 |
return observedAt.timeIntervalSince(lastPersistedAt) >= aggregatedSampleSaveInterval |
|
| 3284 |
} |
|
| 3285 | ||
| 3286 |
private func generateQRIdentifier() -> String {
|
|
| 3287 |
"device:\(UUID().uuidString)" |
|
| 3288 |
} |
|
| 3289 | ||
| 3290 |
@discardableResult |
|
| 3291 |
private func saveContext() -> Bool {
|
|
| 3292 |
guard context.hasChanges else { return true }
|
|
| 3293 |
do {
|
|
| 3294 |
try context.save() |
|
| 3295 |
return true |
|
| 3296 |
} catch {
|
|
| 3297 |
track("Failed saving charge insights context: \(error)")
|
|
| 3298 |
context.rollback() |
|
| 3299 |
return false |
|
| 3300 |
} |
|
| 3301 |
} |
|
| 3302 | ||
| 3303 |
private func normalizedText(_ text: String) -> String {
|
|
| 3304 |
text.trimmingCharacters(in: .whitespacesAndNewlines) |
|
| 3305 |
} |
|
| 3306 | ||
| 3307 |
private func normalizedOptionalText(_ text: String?) -> String? {
|
|
| 3308 |
guard let text else { return nil }
|
|
| 3309 |
let normalized = normalizedText(text) |
|
| 3310 |
return normalized.isEmpty ? nil : normalized |
|
| 3311 |
} |
|
| 3312 | ||
| 3313 |
private func normalizedMACAddress(_ macAddress: String) -> String {
|
|
| 3314 |
normalizedText(macAddress).uppercased() |
|
| 3315 |
} |
|
| 3316 | ||
| 3317 |
private func rawValue(_ object: NSManagedObject, key: String) -> Any? {
|
|
| 3318 |
guard object.entity.propertiesByName[key] != nil else {
|
|
| 3319 |
return nil |
|
| 3320 |
} |
|
| 3321 |
return object.value(forKey: key) |
|
| 3322 |
} |
|
| 3323 | ||
| 3324 |
private func setValue(_ value: Any?, on object: NSManagedObject, key: String) {
|
|
| 3325 |
guard object.entity.propertiesByName[key] != nil else {
|
|
| 3326 |
return |
|
| 3327 |
} |
|
| 3328 |
object.setValue(value, forKey: key) |
|
| 3329 |
} |
|
| 3330 | ||
| 3331 |
private func stringValue(_ object: NSManagedObject, key: String) -> String? {
|
|
| 3332 |
guard let value = rawValue(object, key: key) as? String else { return nil }
|
|
| 3333 |
let normalized = normalizedOptionalText(value) |
|
| 3334 |
return normalized |
|
| 3335 |
} |
|
| 3336 | ||
| 3337 |
private func dateValue(_ object: NSManagedObject, key: String) -> Date? {
|
|
| 3338 |
rawValue(object, key: key) as? Date |
|
| 3339 |
} |
|
| 3340 | ||
| 3341 |
private func doubleValue(_ object: NSManagedObject, key: String) -> Double {
|
|
| 3342 |
if let value = rawValue(object, key: key) as? Double {
|
|
| 3343 |
return value |
|
| 3344 |
} |
|
| 3345 |
if let value = rawValue(object, key: key) as? NSNumber {
|
|
| 3346 |
return value.doubleValue |
|
| 3347 |
} |
|
| 3348 |
return 0 |
|
| 3349 |
} |
|
| 3350 | ||
| 3351 |
private func optionalDoubleValue(_ object: NSManagedObject, key: String) -> Double? {
|
|
| 3352 |
let value = rawValue(object, key: key) |
|
| 3353 |
if value == nil {
|
|
| 3354 |
return nil |
|
| 3355 |
} |
|
| 3356 |
return doubleValue(object, key: key) |
|
| 3357 |
} |
|
| 3358 | ||
| 3359 |
private func optionalInt16Value(_ object: NSManagedObject, key: String) -> Int16? {
|
|
| 3360 |
if let value = rawValue(object, key: key) as? Int16 {
|
|
| 3361 |
return value |
|
| 3362 |
} |
|
| 3363 |
if let value = rawValue(object, key: key) as? NSNumber {
|
|
| 3364 |
return value.int16Value |
|
| 3365 |
} |
|
| 3366 |
return nil |
|
| 3367 |
} |
|
| 3368 | ||
| 3369 |
private func optionalInt32Value(_ object: NSManagedObject, key: String) -> Int32? {
|
|
| 3370 |
if let value = rawValue(object, key: key) as? Int32 {
|
|
| 3371 |
return value |
|
| 3372 |
} |
|
| 3373 |
if let value = rawValue(object, key: key) as? NSNumber {
|
|
| 3374 |
return value.int32Value |
|
| 3375 |
} |
|
| 3376 |
return nil |
|
| 3377 |
} |
|
| 3378 | ||
| 3379 |
private func boolValue(_ object: NSManagedObject, key: String) -> Bool {
|
|
| 3380 |
if let value = rawValue(object, key: key) as? Bool {
|
|
| 3381 |
return value |
|
| 3382 |
} |
|
| 3383 |
if let value = rawValue(object, key: key) as? NSNumber {
|
|
| 3384 |
return value.boolValue |
|
| 3385 |
} |
|
| 3386 |
return false |
|
| 3387 |
} |
|
| 3388 | ||
| 3389 |
private func uuidValue(_ object: NSManagedObject, key: String) -> UUID? {
|
|
| 3390 |
guard let value = stringValue(object, key: key) else { return nil }
|
|
| 3391 |
return UUID(uuidString: value) |
|
| 3392 |
} |
|
| 3393 | ||
| 3394 |
private func statusValue(_ object: NSManagedObject, key: String) -> ChargeSessionStatus? {
|
|
| 3395 |
guard let value = stringValue(object, key: key) else { return nil }
|
|
| 3396 |
return ChargeSessionStatus(rawValue: value) |
|
| 3397 |
} |
|
| 3398 | ||
| 3399 |
private func chargingTransportModeValue(_ object: NSManagedObject, key: String) -> ChargingTransportMode? {
|
|
| 3400 |
guard let value = stringValue(object, key: key) else { return nil }
|
|
| 3401 |
return ChargingTransportMode(rawValue: value) |
|
| 3402 |
} |
|
| 3403 | ||
| 3404 |
private func decodedObservedVoltageSelections(from object: NSManagedObject) -> [Double] {
|
|
| 3405 |
guard let rawValue = stringValue(object, key: "chargerObservedVoltageSelectionsRawValue") else {
|
|
| 3406 |
return [] |
|
| 3407 |
} |
|
| 3408 |
return rawValue |
|
| 3409 |
.split(separator: ",") |
|
| 3410 |
.compactMap { Double($0) }
|
|
| 3411 |
.sorted() |
|
| 3412 |
} |
|
| 3413 | ||
| 3414 |
private func encodedObservedVoltageSelections(_ voltages: [Double]) -> String? {
|
|
| 3415 |
let uniqueVoltages = Array(Set(voltages)).sorted() |
|
| 3416 |
guard !uniqueVoltages.isEmpty else {
|
|
| 3417 |
return nil |
|
| 3418 |
} |
|
| 3419 |
return uniqueVoltages |
|
| 3420 |
.map { String(format: "%.1f", $0) }
|
|
| 3421 |
.joined(separator: ",") |
|
| 3422 |
} |
|
| 3423 | ||
| 3424 |
private func runningAverage(currentAverage: Double, currentCount: Int, newValue: Double) -> Double {
|
|
| 3425 |
guard currentCount > 0 else {
|
|
| 3426 |
return newValue |
|
| 3427 |
} |
|
| 3428 |
let total = (currentAverage * Double(currentCount)) + newValue |
|
| 3429 |
return total / Double(currentCount + 1) |
|
| 3430 |
} |
|
| 3431 |
} |
|
| 3432 | ||
| 3433 |
private enum ObservationSaveReason {
|
|
| 3434 |
case none |
|
| 3435 |
case created |
|
| 3436 |
case periodic |
|
| 3437 |
case completed |
|
| 3438 |
case event |
|
| 3439 |
} |