2806 lines
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122.813kb
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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 persistedSamplesPerHour = 300 |
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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 = 20 |
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private let activeSessionSaveInterval: TimeInterval = 15 |
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private let aggregatedSampleSaveInterval: TimeInterval = 5 |
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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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@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 createDevice( |
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name: String, |
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deviceClass: ChargedDeviceClass, |
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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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guard !normalizedName.isEmpty else { return false }
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guard supportsWiredCharging || supportsWirelessCharging 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(chargingStateAvailability.rawValue, forKey: "chargingStateAvailabilityRawValue") |
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object.setValue(chargingStateAvailability.supportsChargingWhileOff, forKey: "supportsChargingWhileOff") |
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object.setValue(supportsWiredCharging, forKey: "supportsWiredCharging") |
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object.setValue(supportsWirelessCharging, 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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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(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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object.setValue(WirelessChargingProfile.genericQi.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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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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guard !normalizedName.isEmpty else { return false }
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guard supportsWiredCharging || supportsWirelessCharging 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(chargingStateAvailability.rawValue, forKey: "chargingStateAvailabilityRawValue") |
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object.setValue(chargingStateAvailability.supportsChargingWhileOff, forKey: "supportsChargingWhileOff") |
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object.setValue(supportsWiredCharging, forKey: "supportsWiredCharging") |
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object.setValue(supportsWirelessCharging, 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 = chargingStateAvailability.supportsChargingWhileOff |
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let shouldRecalculateSessionCapacity = previousSupportsChargingWhileOff != supportsChargingWhileOff |
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let shouldRefreshActiveSessions = shouldRecalculateSessionCapacity |
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|| previousChargingStateAvailability != chargingStateAvailability |
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|| previousSupportsWiredCharging != supportsWiredCharging |
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|| previousSupportsWirelessCharging != supportsWirelessCharging |
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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: supportsWiredCharging, |
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supportsWirelessCharging: supportsWirelessCharging |
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) |
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let resolvedSessionChargingStateMode = resolvedChargingStateMode( |
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chargingStateMode(for: session), |
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availability: chargingStateAvailability |
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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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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(normalizedOptionalText(notes), forKey: "notes") |
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object.setValue(Date(), 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 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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@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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@discardableResult |
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private func assign( |
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itemWithID id: UUID, |
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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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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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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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} |
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let request = NSFetchRequest<NSManagedObject>(entityName: EntityName.chargedDevice) |
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request.predicate = NSPredicate( |
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format: "lastAssociatedMeterMAC == %@ AND id != %@", |
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normalizedMAC, |
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id.uuidString |
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) |
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let previouslyAssignedDevices = (try? context.fetch(request)) ?? [] |
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for previousDevice in previouslyAssignedDevices {
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let previousIsCharger = ChargedDeviceClass(rawValue: stringValue(previousDevice, key: "deviceClassRawValue") ?? "") == .charger |
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guard previousIsCharger == kind.expectsChargerClass else {
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continue |
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} |
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previousDevice.setValue(nil, forKey: "lastAssociatedMeterMAC") |
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previousDevice.setValue(Date(), forKey: "updatedAt") |
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} |
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object.setValue(normalizedMAC, forKey: "lastAssociatedMeterMAC") |
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object.setValue(Date(), forKey: "updatedAt") |
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if kind == .charger, |
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let openSession = fetchOpenSessionObject(forMeterMACAddress: normalizedMAC), |
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chargingTransportMode(for: openSession) == .wireless {
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openSession.setValue(id.uuidString, forKey: "chargerID") |
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openSession.setValue(Date(), forKey: "updatedAt") |
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} |
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| 339 | ||
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didSave = saveContext() |
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} |
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return didSave |
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} |
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| 344 | ||
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@discardableResult |
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func startSession( |
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for snapshot: ChargingMonitorSnapshot, |
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chargedDeviceID: UUID, |
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chargerID: UUID?, |
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chargingTransportMode: ChargingTransportMode, |
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chargingStateMode: ChargingStateMode, |
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autoStopEnabled: Bool, |
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initialBatteryPercent: Double?, |
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startsFromFlatBattery: Bool |
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) -> Bool {
|
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if let initialBatteryPercent, |
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(initialBatteryPercent.isFinite == false || initialBatteryPercent < 0 || initialBatteryPercent > 100) {
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return false |
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} |
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| 360 | ||
| 361 |
var didSave = false |
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context.performAndWait {
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guard let chargedDevice = fetchChargedDeviceObject(id: chargedDeviceID.uuidString) else {
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return |
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} |
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guard isChargerObject(chargedDevice) == false else {
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return |
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} |
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| 369 | ||
| 370 |
guard fetchOpenSessionObject(forMeterMACAddress: snapshot.meterMACAddress) == nil else {
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| 371 |
return |
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} |
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| 373 | ||
| 374 |
let resolvedChargingTransportMode = resolvedPreferredChargingTransportMode( |
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chargingTransportMode, |
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supportsWiredCharging: supportsWiredCharging(for: chargedDevice), |
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supportsWirelessCharging: supportsWirelessCharging(for: chargedDevice) |
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) |
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let resolvedChargingStateMode = resolvedChargingStateMode( |
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chargingStateMode, |
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availability: chargingStateAvailability(for: chargedDevice) |
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| 382 |
) |
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let charger = resolvedChargingTransportMode == .wireless |
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| 384 |
? chargerID.flatMap { fetchChargedDeviceObject(id: $0.uuidString) }
|
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| 385 |
: nil |
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if let charger, isChargerObject(charger) == false {
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return |
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} |
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| 389 |
guard resolvedChargingTransportMode == .wired || charger != nil else {
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return |
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} |
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let stopThreshold = resolvedStopThreshold( |
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| 393 |
for: chargedDevice, |
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chargingTransportMode: resolvedChargingTransportMode, |
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chargingStateMode: resolvedChargingStateMode, |
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charger: charger, |
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fallback: snapshot.fallbackStopThresholdAmps > 0 ? snapshot.fallbackStopThresholdAmps : nil |
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| 398 |
) |
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guard let session = createSessionObject( |
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| 400 |
for: chargedDevice, |
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charger: charger, |
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snapshot: snapshot, |
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| 403 |
stopThreshold: stopThreshold, |
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| 404 |
chargingTransportMode: resolvedChargingTransportMode, |
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| 405 |
chargingStateMode: resolvedChargingStateMode, |
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| 406 |
autoStopEnabled: autoStopEnabled |
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| 407 |
) else {
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return |
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| 409 |
} |
|
| 410 | ||
| 411 |
if startsFromFlatBattery {
|
|
| 412 |
session.setValue(unresolvedFlatBatteryPercent, forKey: "startBatteryPercent") |
|
| 413 |
session.setValue(nil, forKey: "endBatteryPercent") |
|
| 414 |
} else if let initialBatteryPercent {
|
|
| 415 |
guard insertBatteryCheckpoint( |
|
| 416 |
percent: initialBatteryPercent, |
|
| 417 |
label: "Start", |
|
| 418 |
timestamp: snapshot.observedAt, |
|
| 419 |
to: session |
|
| 420 |
) != nil else {
|
|
| 421 |
return |
|
| 422 |
} |
|
| 423 |
} |
|
| 424 |
didSave = saveContext() |
|
| 425 |
} |
|
| 426 |
return didSave |
|
| 427 |
} |
|
| 428 | ||
| 429 |
@discardableResult |
|
| 430 |
func pauseSession(id sessionID: UUID, observedAt: Date) -> Bool {
|
|
| 431 |
var didSave = false |
|
| 432 |
context.performAndWait {
|
|
| 433 |
guard let session = fetchSessionObject(id: sessionID.uuidString) else {
|
|
| 434 |
return |
|
| 435 |
} |
|
| 436 | ||
| 437 |
guard statusValue(session, key: "statusRawValue") == .active else {
|
|
| 438 |
return |
|
| 439 |
} |
|
| 440 | ||
| 441 |
session.setValue(ChargeSessionStatus.paused.rawValue, forKey: "statusRawValue") |
|
| 442 |
session.setValue(observedAt, forKey: "pausedAt") |
|
| 443 |
session.setValue(nil, forKey: "belowThresholdSince") |
|
| 444 |
clearCompletionConfirmationState(for: session) |
|
| 445 |
session.setValue(observedAt, forKey: "updatedAt") |
|
| 446 |
didSave = saveContext() |
|
| 447 |
} |
|
| 448 |
return didSave |
|
| 449 |
} |
|
| 450 | ||
| 451 |
@discardableResult |
|
| 452 |
func resumeSession(id sessionID: UUID, snapshot: ChargingMonitorSnapshot?) -> Bool {
|
|
| 453 |
var didSave = false |
|
| 454 |
context.performAndWait {
|
|
| 455 |
guard let session = fetchSessionObject(id: sessionID.uuidString) else {
|
|
| 456 |
return |
|
| 457 |
} |
|
| 458 | ||
| 459 |
guard statusValue(session, key: "statusRawValue") == .paused else {
|
|
| 460 |
return |
|
| 461 |
} |
|
| 462 | ||
| 463 |
let pausedAt = dateValue(session, key: "pausedAt") ?? Date() |
|
| 464 |
let resumedAt = snapshot?.observedAt ?? Date() |
|
| 465 |
if resumedAt.timeIntervalSince(pausedAt) >= pausedSessionTimeout {
|
|
| 466 |
finishSession( |
|
| 467 |
session, |
|
| 468 |
observedAt: pausedAt.addingTimeInterval(pausedSessionTimeout), |
|
| 469 |
finalBatteryPercent: nil, |
|
| 470 |
label: nil, |
|
| 471 |
status: .completed |
|
| 472 |
) |
|
| 473 |
guard saveContext() else {
|
|
| 474 |
return |
|
| 475 |
} |
|
| 476 |
if let deviceID = stringValue(session, key: "chargedDeviceID") {
|
|
| 477 |
refreshDerivedMetrics(forChargedDeviceID: deviceID) |
|
| 478 |
didSave = saveContext() |
|
| 479 |
} else {
|
|
| 480 |
didSave = true |
|
| 481 |
} |
|
| 482 |
return |
|
| 483 |
} |
|
| 484 | ||
| 485 |
session.setValue(ChargeSessionStatus.active.rawValue, forKey: "statusRawValue") |
|
| 486 |
session.setValue(nil, forKey: "pausedAt") |
|
| 487 |
session.setValue(nil, forKey: "belowThresholdSince") |
|
| 488 |
clearCompletionConfirmationState(for: session) |
|
| 489 |
session.setValue(resumedAt, forKey: "lastObservedAt") |
|
| 490 |
if let snapshot {
|
|
| 491 |
session.setValue(snapshot.currentAmps, forKey: "lastObservedCurrentAmps") |
|
| 492 |
session.setValue(snapshot.powerWatts, forKey: "lastObservedPowerWatts") |
|
| 493 |
session.setValue( |
|
| 494 |
chargingTransportMode(for: session) == .wired ? snapshot.voltageVolts : nil, |
|
| 495 |
forKey: "lastObservedVoltageVolts" |
|
| 496 |
) |
|
| 497 |
} else {
|
|
| 498 |
session.setValue(0, forKey: "lastObservedCurrentAmps") |
|
| 499 |
session.setValue(0, forKey: "lastObservedPowerWatts") |
|
| 500 |
session.setValue(nil, forKey: "lastObservedVoltageVolts") |
|
| 501 |
} |
|
| 502 |
session.setValue(resumedAt, forKey: "updatedAt") |
|
| 503 |
didSave = saveContext() |
|
| 504 |
} |
|
| 505 |
return didSave |
|
| 506 |
} |
|
| 507 | ||
| 508 |
@discardableResult |
|
| 509 |
func stopSession( |
|
| 510 |
id sessionID: UUID, |
|
| 511 |
finalBatteryPercent: Double, |
|
| 512 |
label: String? |
|
| 513 |
) -> Bool {
|
|
| 514 |
guard finalBatteryPercent.isFinite, finalBatteryPercent >= 0, finalBatteryPercent <= 100 else {
|
|
| 515 |
return false |
|
| 516 |
} |
|
| 517 | ||
| 518 |
var didSave = false |
|
| 519 |
context.performAndWait {
|
|
| 520 |
guard let session = fetchSessionObject(id: sessionID.uuidString) else {
|
|
| 521 |
return |
|
| 522 |
} |
|
| 523 | ||
| 524 |
guard statusValue(session, key: "statusRawValue")?.isOpen == true else {
|
|
| 525 |
return |
|
| 526 |
} |
|
| 527 | ||
| 528 |
let observedAt = snapshotDateForManualStop(session) |
|
| 529 |
finishSession( |
|
| 530 |
session, |
|
| 531 |
observedAt: observedAt, |
|
| 532 |
finalBatteryPercent: finalBatteryPercent, |
|
| 533 |
label: label, |
|
| 534 |
status: .completed |
|
| 535 |
) |
|
| 536 | ||
| 537 |
guard saveContext() else {
|
|
| 538 |
return |
|
| 539 |
} |
|
| 540 | ||
| 541 |
if let deviceID = stringValue(session, key: "chargedDeviceID") {
|
|
| 542 |
refreshDerivedMetrics(forChargedDeviceID: deviceID) |
|
| 543 |
didSave = saveContext() |
|
| 544 |
} else {
|
|
| 545 |
didSave = true |
|
| 546 |
} |
|
| 547 |
} |
|
| 548 |
return didSave |
|
| 549 |
} |
|
| 550 | ||
| 551 |
@discardableResult |
|
| 552 |
func addBatteryCheckpoint( |
|
| 553 |
percent: Double, |
|
| 554 |
label: String?, |
|
| 555 |
for meterMACAddress: String, |
|
| 556 |
measuredEnergyWh: Double? = nil, |
|
| 557 |
measuredChargeAh: Double? = nil |
|
| 558 |
) -> Bool {
|
|
| 559 |
guard percent.isFinite, percent >= 0, percent <= 100 else {
|
|
| 560 |
return false |
|
| 561 |
} |
|
| 562 | ||
| 563 |
var didSave = false |
|
| 564 |
context.performAndWait {
|
|
| 565 |
guard let session = fetchOpenSessionObject(forMeterMACAddress: meterMACAddress) else {
|
|
| 566 |
return |
|
| 567 |
} |
|
| 568 | ||
| 569 |
didSave = addBatteryCheckpoint( |
|
| 570 |
percent: percent, |
|
| 571 |
label: label, |
|
| 572 |
measuredEnergyWh: measuredEnergyWh, |
|
| 573 |
measuredChargeAh: measuredChargeAh, |
|
| 574 |
to: session |
|
| 575 |
) |
|
| 576 |
} |
|
| 577 |
return didSave |
|
| 578 |
} |
|
| 579 | ||
| 580 |
@discardableResult |
|
| 581 |
func addBatteryCheckpoint( |
|
| 582 |
percent: Double, |
|
| 583 |
label: String?, |
|
| 584 |
for sessionID: UUID |
|
| 585 |
) -> Bool {
|
|
| 586 |
guard percent.isFinite, percent >= 0, percent <= 100 else {
|
|
| 587 |
return false |
|
| 588 |
} |
|
| 589 | ||
| 590 |
var didSave = false |
|
| 591 |
context.performAndWait {
|
|
| 592 |
guard let session = fetchSessionObject(id: sessionID.uuidString) else {
|
|
| 593 |
return |
|
| 594 |
} |
|
| 595 | ||
| 596 |
didSave = addBatteryCheckpoint(percent: percent, label: label, to: session) |
|
| 597 |
} |
|
| 598 |
return didSave |
|
| 599 |
} |
|
| 600 | ||
| 601 |
@discardableResult |
|
| 602 |
func deleteBatteryCheckpoint( |
|
| 603 |
id checkpointID: UUID, |
|
| 604 |
from sessionID: UUID |
|
| 605 |
) -> Bool {
|
|
| 606 |
var didSave = false |
|
| 607 |
context.performAndWait {
|
|
| 608 |
guard let session = fetchSessionObject(id: sessionID.uuidString), |
|
| 609 |
let checkpoint = fetchCheckpointObject( |
|
| 610 |
id: checkpointID.uuidString, |
|
| 611 |
sessionID: sessionID.uuidString |
|
| 612 |
) else {
|
|
| 613 |
return |
|
| 614 |
} |
|
| 615 | ||
| 616 |
let chargedDeviceID = stringValue(session, key: "chargedDeviceID") |
|
| 617 |
context.delete(checkpoint) |
|
| 618 |
refreshCheckpointDerivedValues(for: session) |
|
| 619 | ||
| 620 |
guard saveContext() else {
|
|
| 621 |
return |
|
| 622 |
} |
|
| 623 | ||
| 624 |
if let chargedDeviceID {
|
|
| 625 |
refreshDerivedMetrics(forChargedDeviceID: chargedDeviceID) |
|
| 626 |
didSave = saveContext() |
|
| 627 |
} else {
|
|
| 628 |
didSave = true |
|
| 629 |
} |
|
| 630 |
} |
|
| 631 |
return didSave |
|
| 632 |
} |
|
| 633 | ||
| 634 |
@discardableResult |
|
| 635 |
func setTargetBatteryPercent(_ percent: Double?, for sessionID: UUID) -> Bool {
|
|
| 636 |
if let percent, (!percent.isFinite || percent <= 0 || percent > 100) {
|
|
| 637 |
return false |
|
| 638 |
} |
|
| 639 | ||
| 640 |
var didSave = false |
|
| 641 |
context.performAndWait {
|
|
| 642 |
guard let session = fetchSessionObject(id: sessionID.uuidString) else {
|
|
| 643 |
return |
|
| 644 |
} |
|
| 645 | ||
| 646 |
session.setValue(percent, forKey: "targetBatteryPercent") |
|
| 647 |
session.setValue(nil, forKey: "targetBatteryAlertTriggeredAt") |
|
| 648 |
session.setValue(Date(), forKey: "updatedAt") |
|
| 649 |
didSave = saveContext() |
|
| 650 |
} |
|
| 651 |
return didSave |
|
| 652 |
} |
|
| 653 | ||
| 654 |
@discardableResult |
|
| 655 |
func confirmCompletion(for sessionID: UUID) -> Bool {
|
|
| 656 |
var didSave = false |
|
| 657 |
context.performAndWait {
|
|
| 658 |
guard let session = fetchSessionObject(id: sessionID.uuidString) else {
|
|
| 659 |
return |
|
| 660 |
} |
|
| 661 | ||
| 662 |
guard statusValue(session, key: "statusRawValue") == .active else {
|
|
| 663 |
return |
|
| 664 |
} |
|
| 665 | ||
| 666 |
finishSession( |
|
| 667 |
session, |
|
| 668 |
observedAt: dateValue(session, key: "lastObservedAt") ?? Date(), |
|
| 669 |
finalBatteryPercent: nil, |
|
| 670 |
label: nil, |
|
| 671 |
status: .completed |
|
| 672 |
) |
|
| 673 | ||
| 674 |
if saveContext() {
|
|
| 675 |
if let deviceID = stringValue(session, key: "chargedDeviceID") {
|
|
| 676 |
refreshDerivedMetrics(forChargedDeviceID: deviceID) |
|
| 677 |
didSave = saveContext() |
|
| 678 |
} else {
|
|
| 679 |
didSave = true |
|
| 680 |
} |
|
| 681 |
} |
|
| 682 |
} |
|
| 683 |
return didSave |
|
| 684 |
} |
|
| 685 | ||
| 686 |
@discardableResult |
|
| 687 |
func continueMonitoringDespiteCompletionContradiction(for sessionID: UUID) -> Bool {
|
|
| 688 |
var didSave = false |
|
| 689 |
context.performAndWait {
|
|
| 690 |
guard let session = fetchSessionObject(id: sessionID.uuidString) else {
|
|
| 691 |
return |
|
| 692 |
} |
|
| 693 | ||
| 694 |
guard statusValue(session, key: "statusRawValue") == .active else {
|
|
| 695 |
return |
|
| 696 |
} |
|
| 697 | ||
| 698 |
clearCompletionConfirmationState(for: session) |
|
| 699 |
session.setValue(Date().addingTimeInterval(completionConfirmationCooldown), forKey: "completionConfirmationCooldownUntil") |
|
| 700 |
session.setValue(Date(), forKey: "updatedAt") |
|
| 701 |
didSave = saveContext() |
|
| 702 |
} |
|
| 703 |
return didSave |
|
| 704 |
} |
|
| 705 | ||
| 706 |
@discardableResult |
|
| 707 |
func deleteChargeSession(id sessionID: UUID) -> Bool {
|
|
| 708 |
var didSave = false |
|
| 709 |
context.performAndWait {
|
|
| 710 |
guard let session = fetchSessionObject(id: sessionID.uuidString) else {
|
|
| 711 |
return |
|
| 712 |
} |
|
| 713 | ||
| 714 |
let chargedDeviceID = stringValue(session, key: "chargedDeviceID") |
|
| 715 | ||
| 716 |
fetchCheckpointObjects(forSessionID: sessionID.uuidString).forEach(context.delete) |
|
| 717 |
fetchSessionSampleObjects(forSessionID: sessionID.uuidString).forEach(context.delete) |
|
| 718 |
context.delete(session) |
|
| 719 | ||
| 720 |
guard saveContext() else {
|
|
| 721 |
return |
|
| 722 |
} |
|
| 723 | ||
| 724 |
if let chargedDeviceID {
|
|
| 725 |
refreshDerivedMetrics(forChargedDeviceID: chargedDeviceID) |
|
| 726 |
didSave = saveContext() |
|
| 727 |
} else {
|
|
| 728 |
didSave = true |
|
| 729 |
} |
|
| 730 |
} |
|
| 731 |
return didSave |
|
| 732 |
} |
|
| 733 | ||
| 734 |
@discardableResult |
|
| 735 |
func deleteChargedDevice(id chargedDeviceID: UUID) -> Bool {
|
|
| 736 |
var didSave = false |
|
| 737 | ||
| 738 |
context.performAndWait {
|
|
| 739 |
guard let chargedDevice = fetchChargedDeviceObject(id: chargedDeviceID.uuidString) else {
|
|
| 740 |
return |
|
| 741 |
} |
|
| 742 | ||
| 743 |
let deviceClass = ChargedDeviceClass(rawValue: stringValue(chargedDevice, key: "deviceClassRawValue") ?? "") |
|
| 744 |
let deviceSessions = fetchSessions(forChargedDeviceID: chargedDeviceID.uuidString) |
|
| 745 |
let linkedWirelessSessions = fetchSessions(forChargerID: chargedDeviceID.uuidString) |
|
| 746 | ||
| 747 |
var impactedChargedDeviceIDs = Set<String>() |
|
| 748 | ||
| 749 |
for session in deviceSessions {
|
|
| 750 |
if let impactedID = stringValue(session, key: "chargedDeviceID") {
|
|
| 751 |
impactedChargedDeviceIDs.insert(impactedID) |
|
| 752 |
} |
|
| 753 |
if let impactedChargerID = stringValue(session, key: "chargerID") {
|
|
| 754 |
impactedChargedDeviceIDs.insert(impactedChargerID) |
|
| 755 |
} |
|
| 756 |
if let sessionID = stringValue(session, key: "id") {
|
|
| 757 |
fetchCheckpointObjects(forSessionID: sessionID).forEach(context.delete) |
|
| 758 |
fetchSessionSampleObjects(forSessionID: sessionID).forEach(context.delete) |
|
| 759 |
} |
|
| 760 |
context.delete(session) |
|
| 761 |
} |
|
| 762 | ||
| 763 |
if deviceClass == .charger {
|
|
| 764 |
for session in linkedWirelessSessions {
|
|
| 765 |
guard stringValue(session, key: "chargedDeviceID") != chargedDeviceID.uuidString else {
|
|
| 766 |
continue |
|
| 767 |
} |
|
| 768 |
if let impactedID = stringValue(session, key: "chargedDeviceID") {
|
|
| 769 |
impactedChargedDeviceIDs.insert(impactedID) |
|
| 770 |
} |
|
| 771 |
session.setValue(nil, forKey: "chargerID") |
|
| 772 |
session.setValue(Date(), forKey: "updatedAt") |
|
| 773 |
} |
|
| 774 |
} |
|
| 775 | ||
| 776 |
context.delete(chargedDevice) |
|
| 777 | ||
| 778 |
guard saveContext() else {
|
|
| 779 |
return |
|
| 780 |
} |
|
| 781 | ||
| 782 |
impactedChargedDeviceIDs.remove(chargedDeviceID.uuidString) |
|
| 783 |
for impactedID in impactedChargedDeviceIDs {
|
|
| 784 |
refreshDerivedMetrics(forChargedDeviceID: impactedID) |
|
| 785 |
} |
|
| 786 |
didSave = saveContext() |
|
| 787 |
} |
|
| 788 | ||
| 789 |
return didSave |
|
| 790 |
} |
|
| 791 | ||
| 792 |
@discardableResult |
|
| 793 |
func observe(snapshot: ChargingMonitorSnapshot) -> Bool {
|
|
| 794 |
var didSave = false |
|
| 795 | ||
| 796 |
context.performAndWait {
|
|
| 797 |
guard let session = fetchOpenSessionObject(forMeterMACAddress: snapshot.meterMACAddress), |
|
| 798 |
let resolvedDevice = stringValue(session, key: "chargedDeviceID").flatMap(fetchChargedDeviceObject(id:)) else {
|
|
| 799 |
return |
|
| 800 |
} |
|
| 801 | ||
| 802 |
if statusValue(session, key: "statusRawValue") == .paused {
|
|
| 803 |
if maybeCompletePausedSession(session, observedAt: snapshot.observedAt) {
|
|
| 804 |
didSave = true |
|
| 805 |
} |
|
| 806 |
return |
|
| 807 |
} |
|
| 808 | ||
| 809 |
let chargingTransportMode = self.chargingTransportMode(for: session) |
|
| 810 |
let chargingStateMode = self.chargingStateMode(for: session) |
|
| 811 |
let charger = chargingTransportMode == .wireless |
|
| 812 |
? stringValue(session, key: "chargerID").flatMap(fetchChargedDeviceObject(id:)) |
|
| 813 |
: nil |
|
| 814 |
guard chargingTransportMode == .wired || charger != nil else {
|
|
| 815 |
return |
|
| 816 |
} |
|
| 817 |
let stopThreshold = resolvedStopThreshold( |
|
| 818 |
for: resolvedDevice, |
|
| 819 |
chargingTransportMode: chargingTransportMode, |
|
| 820 |
chargingStateMode: chargingStateMode, |
|
| 821 |
charger: charger, |
|
| 822 |
fallback: optionalDoubleValue(session, key: "stopThresholdAmps") |
|
| 823 |
) |
|
| 824 | ||
| 825 |
update(session: session, with: snapshot, stopThreshold: stopThreshold, charger: charger) |
|
| 826 |
let aggregatedSample = updateAggregatedSample(session: session, with: snapshot) |
|
| 827 | ||
| 828 |
let saveReason = saveReason(for: session, observedAt: snapshot.observedAt) |
|
| 829 |
let shouldPersistAggregatedCurve = aggregatedSample.map {
|
|
| 830 |
shouldPersistAggregatedSample($0, observedAt: snapshot.observedAt) |
|
| 831 |
} ?? false |
|
| 832 | ||
| 833 |
guard saveReason != .none || shouldPersistAggregatedCurve else {
|
|
| 834 |
return |
|
| 835 |
} |
|
| 836 | ||
| 837 |
session.setValue(snapshot.observedAt, forKey: "updatedAt") |
|
| 838 | ||
| 839 |
if saveContext() {
|
|
| 840 |
if saveReason == .completed, let deviceID = stringValue(session, key: "chargedDeviceID") {
|
|
| 841 |
refreshDerivedMetrics(forChargedDeviceID: deviceID) |
|
| 842 |
didSave = saveContext() |
|
| 843 |
} else {
|
|
| 844 |
didSave = true |
|
| 845 |
} |
|
| 846 |
} |
|
| 847 |
} |
|
| 848 | ||
| 849 |
return didSave |
|
| 850 |
} |
|
| 851 | ||
| 852 |
func fetchChargedDeviceSummaries() -> [ChargedDeviceSummary] {
|
|
| 853 |
var summaries: [ChargedDeviceSummary] = [] |
|
| 854 | ||
| 855 |
context.performAndWait {
|
|
| 856 |
let devices = fetchObjects(entityName: EntityName.chargedDevice) |
|
| 857 |
let sessions = fetchObjects(entityName: EntityName.chargeSession) |
|
| 858 |
let checkpoints = fetchObjects(entityName: EntityName.chargeCheckpoint) |
|
| 859 |
let sessionSamples = fetchObjects(entityName: EntityName.chargeSessionSample) |
|
| 860 | ||
| 861 |
let checkpointsBySessionID = Dictionary(grouping: checkpoints) { stringValue($0, key: "sessionID") ?? "" }
|
|
| 862 |
let samplesBySessionID = Dictionary(grouping: sessionSamples) { stringValue($0, key: "sessionID") ?? "" }
|
|
| 863 |
let sessionsByDeviceID = Dictionary(grouping: sessions) { stringValue($0, key: "chargedDeviceID") ?? "" }
|
|
| 864 |
let sessionsByChargerID = Dictionary(grouping: sessions) { stringValue($0, key: "chargerID") ?? "" }
|
|
| 865 | ||
| 866 |
summaries = devices.compactMap { device in
|
|
| 867 |
guard |
|
| 868 |
let id = uuidValue(device, key: "id"), |
|
| 869 |
let name = stringValue(device, key: "name"), |
|
| 870 |
let qrIdentifier = stringValue(device, key: "qrIdentifier"), |
|
| 871 |
let rawClass = stringValue(device, key: "deviceClassRawValue"), |
|
| 872 |
let deviceClass = ChargedDeviceClass(rawValue: rawClass) |
|
| 873 |
else {
|
|
| 874 |
return nil |
|
| 875 |
} |
|
| 876 | ||
| 877 |
let sessionObjects = relevantSessionObjects( |
|
| 878 |
for: id.uuidString, |
|
| 879 |
deviceClass: deviceClass, |
|
| 880 |
sessionsByDeviceID: sessionsByDeviceID, |
|
| 881 |
sessionsByChargerID: sessionsByChargerID |
|
| 882 |
) |
|
| 883 |
let sessionSummaries = sessionObjects |
|
| 884 |
.compactMap { session in
|
|
| 885 |
makeSessionSummary( |
|
| 886 |
from: session, |
|
| 887 |
checkpoints: checkpointsBySessionID[stringValue(session, key: "id") ?? ""] ?? [], |
|
| 888 |
samples: samplesBySessionID[stringValue(session, key: "id") ?? ""] ?? [] |
|
| 889 |
) |
|
| 890 |
} |
|
| 891 |
.sorted { lhs, rhs in
|
|
| 892 |
if lhs.status.isOpen && !rhs.status.isOpen {
|
|
| 893 |
return true |
|
| 894 |
} |
|
| 895 |
if !lhs.status.isOpen && rhs.status.isOpen {
|
|
| 896 |
return false |
|
| 897 |
} |
|
| 898 |
if lhs.status == .active && rhs.status == .paused {
|
|
| 899 |
return true |
|
| 900 |
} |
|
| 901 |
if lhs.status == .paused && rhs.status == .active {
|
|
| 902 |
return false |
|
| 903 |
} |
|
| 904 |
return lhs.startedAt > rhs.startedAt |
|
| 905 |
} |
|
| 906 | ||
| 907 |
return ChargedDeviceSummary( |
|
| 908 |
id: id, |
|
| 909 |
qrIdentifier: qrIdentifier, |
|
| 910 |
name: name, |
|
| 911 |
deviceClass: deviceClass, |
|
| 912 |
supportsChargingWhileOff: boolValue(device, key: "supportsChargingWhileOff"), |
|
| 913 |
chargingStateAvailability: chargingStateAvailability(for: device), |
|
| 914 |
supportsWiredCharging: supportsWiredCharging(for: device), |
|
| 915 |
supportsWirelessCharging: supportsWirelessCharging(for: device), |
|
| 916 |
wirelessChargingProfile: wirelessChargingProfile(for: device), |
|
| 917 |
configuredCompletionCurrents: decodedCompletionCurrents(from: device, key: "configuredCompletionCurrentsRawValue"), |
|
| 918 |
learnedCompletionCurrents: decodedCompletionCurrents(from: device, key: "learnedCompletionCurrentsRawValue"), |
|
| 919 |
wirelessChargerEfficiencyFactor: optionalDoubleValue(device, key: "wirelessChargerEfficiencyFactor"), |
|
| 920 |
wiredChargeCompletionCurrentAmps: optionalDoubleValue(device, key: "wiredChargeCompletionCurrentAmps"), |
|
| 921 |
wirelessChargeCompletionCurrentAmps: optionalDoubleValue(device, key: "wirelessChargeCompletionCurrentAmps"), |
|
| 922 |
chargerObservedVoltageSelections: decodedObservedVoltageSelections(from: device), |
|
| 923 |
chargerIdleCurrentAmps: optionalDoubleValue(device, key: "chargerIdleCurrentAmps"), |
|
| 924 |
chargerEfficiencyFactor: optionalDoubleValue(device, key: "chargerEfficiencyFactor"), |
|
| 925 |
chargerMaximumPowerWatts: optionalDoubleValue(device, key: "chargerMaximumPowerWatts"), |
|
| 926 |
notes: stringValue(device, key: "notes"), |
|
| 927 |
minimumCurrentAmps: optionalDoubleValue(device, key: "minimumCurrentAmps"), |
|
| 928 |
estimatedBatteryCapacityWh: optionalDoubleValue(device, key: "estimatedBatteryCapacityWh"), |
|
| 929 |
wiredMinimumCurrentAmps: optionalDoubleValue(device, key: "wiredMinimumCurrentAmps"), |
|
| 930 |
wirelessMinimumCurrentAmps: optionalDoubleValue(device, key: "wirelessMinimumCurrentAmps"), |
|
| 931 |
wiredEstimatedBatteryCapacityWh: optionalDoubleValue(device, key: "wiredEstimatedBatteryCapacityWh"), |
|
| 932 |
wirelessEstimatedBatteryCapacityWh: optionalDoubleValue(device, key: "wirelessEstimatedBatteryCapacityWh"), |
|
| 933 |
lastAssociatedMeterMAC: stringValue(device, key: "lastAssociatedMeterMAC"), |
|
| 934 |
createdAt: dateValue(device, key: "createdAt") ?? .distantPast, |
|
| 935 |
updatedAt: dateValue(device, key: "updatedAt") ?? .distantPast, |
|
| 936 |
sessions: sessionSummaries, |
|
| 937 |
capacityHistory: buildCapacityHistory(from: sessionSummaries), |
|
| 938 |
typicalCurve: buildTypicalCurve(from: sessionSummaries), |
|
| 939 |
standbyPowerMeasurements: [] |
|
| 940 |
) |
|
| 941 |
} |
|
| 942 |
.sorted { lhs, rhs in
|
|
| 943 |
if lhs.activeSession != nil && rhs.activeSession == nil {
|
|
| 944 |
return true |
|
| 945 |
} |
|
| 946 |
if lhs.activeSession == nil && rhs.activeSession != nil {
|
|
| 947 |
return false |
|
| 948 |
} |
|
| 949 |
if lhs.updatedAt != rhs.updatedAt {
|
|
| 950 |
return lhs.updatedAt > rhs.updatedAt |
|
| 951 |
} |
|
| 952 |
return lhs.name.localizedCaseInsensitiveCompare(rhs.name) == .orderedAscending |
|
| 953 |
} |
|
| 954 |
} |
|
| 955 | ||
| 956 |
return summaries |
|
| 957 |
} |
|
| 958 | ||
| 959 |
func resolvedChargedDeviceSummary(forMeterMACAddress meterMACAddress: String) -> ChargedDeviceSummary? {
|
|
| 960 |
let normalizedMAC = normalizedMACAddress(meterMACAddress) |
|
| 961 |
guard !normalizedMAC.isEmpty else { return nil }
|
|
| 962 | ||
| 963 |
let summaries = fetchChargedDeviceSummaries().filter { !$0.isCharger }
|
|
| 964 | ||
| 965 |
if let activeMatch = summaries.first(where: { summary in
|
|
| 966 |
summary.activeSession?.meterMACAddress == normalizedMAC |
|
| 967 |
}) {
|
|
| 968 |
return activeMatch |
|
| 969 |
} |
|
| 970 | ||
| 971 |
return summaries.first(where: { $0.lastAssociatedMeterMAC == normalizedMAC })
|
|
| 972 |
} |
|
| 973 | ||
| 974 |
func activeChargeSessionSummary(forMeterMACAddress meterMACAddress: String) -> ChargeSessionSummary? {
|
|
| 975 |
let normalizedMAC = normalizedMACAddress(meterMACAddress) |
|
| 976 |
guard !normalizedMAC.isEmpty else { return nil }
|
|
| 977 | ||
| 978 |
var summary: ChargeSessionSummary? |
|
| 979 | ||
| 980 |
context.performAndWait {
|
|
| 981 |
guard let session = fetchActiveSessionObject(forMeterMACAddress: normalizedMAC), |
|
| 982 |
let sessionID = stringValue(session, key: "id") else {
|
|
| 983 |
return |
|
| 984 |
} |
|
| 985 | ||
| 986 |
summary = makeSessionSummary( |
|
| 987 |
from: session, |
|
| 988 |
checkpoints: fetchCheckpointObjects(forSessionID: sessionID), |
|
| 989 |
samples: fetchSessionSampleObjects(forSessionID: sessionID) |
|
| 990 |
) |
|
| 991 |
} |
|
| 992 | ||
| 993 |
return summary |
|
| 994 |
} |
|
| 995 | ||
| 996 |
private func createSessionObject( |
|
| 997 |
for chargedDevice: NSManagedObject, |
|
| 998 |
charger: NSManagedObject?, |
|
| 999 |
snapshot: ChargingMonitorSnapshot, |
|
| 1000 |
stopThreshold: Double?, |
|
| 1001 |
chargingTransportMode: ChargingTransportMode, |
|
| 1002 |
chargingStateMode: ChargingStateMode, |
|
| 1003 |
autoStopEnabled: Bool |
|
| 1004 |
) -> NSManagedObject? {
|
|
| 1005 |
guard |
|
| 1006 |
let entity = NSEntityDescription.entity(forEntityName: EntityName.chargeSession, in: context), |
|
| 1007 |
let chargedDeviceID = stringValue(chargedDevice, key: "id") |
|
| 1008 |
else {
|
|
| 1009 |
return nil |
|
| 1010 |
} |
|
| 1011 | ||
| 1012 |
let session = NSManagedObject(entity: entity, insertInto: context) |
|
| 1013 |
let now = snapshot.observedAt |
|
| 1014 |
session.setValue(UUID().uuidString, forKey: "id") |
|
| 1015 |
session.setValue(chargedDeviceID, forKey: "chargedDeviceID") |
|
| 1016 |
session.setValue(charger.flatMap { stringValue($0, key: "id") }, forKey: "chargerID")
|
|
| 1017 |
session.setValue(snapshot.meterMACAddress, forKey: "meterMACAddress") |
|
| 1018 |
session.setValue(snapshot.meterName, forKey: "meterName") |
|
| 1019 |
session.setValue(snapshot.meterModel, forKey: "meterModel") |
|
| 1020 |
session.setValue(now, forKey: "startedAt") |
|
| 1021 |
session.setValue(now, forKey: "lastObservedAt") |
|
| 1022 |
session.setValue(ChargeSessionStatus.active.rawValue, forKey: "statusRawValue") |
|
| 1023 |
let usesMeterCounters = snapshot.meterEnergyCounterWh != nil || snapshot.meterChargeCounterAh != nil |
|
| 1024 |
session.setValue( |
|
| 1025 |
(usesMeterCounters ? ChargeSessionSourceMode.offline : .live).rawValue, |
|
| 1026 |
forKey: "sourceModeRawValue" |
|
| 1027 |
) |
|
| 1028 |
session.setValue(chargingTransportMode.rawValue, forKey: "chargingTransportRawValue") |
|
| 1029 |
session.setValue(chargingStateMode.rawValue, forKey: "chargingStateRawValue") |
|
| 1030 |
session.setValue(autoStopEnabled, forKey: "autoStopEnabled") |
|
| 1031 |
session.setValue(stopThreshold ?? 0, forKey: "stopThresholdAmps") |
|
| 1032 |
session.setValue(snapshot.voltageVolts, forKey: "selectedSourceVoltageVolts") |
|
| 1033 |
session.setValue(snapshot.currentAmps, forKey: "lastObservedCurrentAmps") |
|
| 1034 |
session.setValue(snapshot.powerWatts, forKey: "lastObservedPowerWatts") |
|
| 1035 |
session.setValue( |
|
| 1036 |
chargingTransportMode == .wired ? snapshot.voltageVolts : nil, |
|
| 1037 |
forKey: "lastObservedVoltageVolts" |
|
| 1038 |
) |
|
| 1039 |
session.setValue( |
|
| 1040 |
hasObservedChargeFlow( |
|
| 1041 |
currentAmps: snapshot.currentAmps, |
|
| 1042 |
chargingTransportMode: chargingTransportMode, |
|
| 1043 |
charger: charger, |
|
| 1044 |
stopThreshold: stopThreshold |
|
| 1045 |
), |
|
| 1046 |
forKey: "hasObservedChargeFlow" |
|
| 1047 |
) |
|
| 1048 |
session.setValue(snapshot.currentAmps, forKey: "minimumObservedCurrentAmps") |
|
| 1049 |
session.setValue(snapshot.currentAmps, forKey: "maximumObservedCurrentAmps") |
|
| 1050 |
session.setValue(snapshot.powerWatts, forKey: "maximumObservedPowerWatts") |
|
| 1051 |
session.setValue( |
|
| 1052 |
chargingTransportMode == .wired ? snapshot.voltageVolts : nil, |
|
| 1053 |
forKey: "maximumObservedVoltageVolts" |
|
| 1054 |
) |
|
| 1055 |
session.setValue(boolValue(chargedDevice, key: "supportsChargingWhileOff"), forKey: "supportsChargingWhileOff") |
|
| 1056 |
if let selectedDataGroup = snapshot.selectedDataGroup {
|
|
| 1057 |
session.setValue(Int16(selectedDataGroup), forKey: "selectedDataGroup") |
|
| 1058 |
} |
|
| 1059 |
if let meterEnergyCounterWh = snapshot.meterEnergyCounterWh {
|
|
| 1060 |
session.setValue(meterEnergyCounterWh, forKey: "meterEnergyBaselineWh") |
|
| 1061 |
session.setValue(meterEnergyCounterWh, forKey: "meterLastEnergyWh") |
|
| 1062 |
} |
|
| 1063 |
if let meterChargeCounterAh = snapshot.meterChargeCounterAh {
|
|
| 1064 |
session.setValue(meterChargeCounterAh, forKey: "meterChargeBaselineAh") |
|
| 1065 |
session.setValue(meterChargeCounterAh, forKey: "meterLastChargeAh") |
|
| 1066 |
} |
|
| 1067 |
if let meterRecordingDurationSeconds = snapshot.meterRecordingDurationSeconds {
|
|
| 1068 |
setValue(meterRecordingDurationSeconds, on: session, key: "meterDurationBaselineSeconds") |
|
| 1069 |
setValue(meterRecordingDurationSeconds, on: session, key: "meterLastDurationSeconds") |
|
| 1070 |
} |
|
| 1071 |
session.setValue(now, forKey: "createdAt") |
|
| 1072 |
session.setValue(now, forKey: "updatedAt") |
|
| 1073 | ||
| 1074 |
chargedDevice.setValue(snapshot.meterMACAddress, forKey: "lastAssociatedMeterMAC") |
|
| 1075 |
chargedDevice.setValue(now, forKey: "updatedAt") |
|
| 1076 |
return session |
|
| 1077 |
} |
|
| 1078 | ||
| 1079 |
private func update( |
|
| 1080 |
session: NSManagedObject, |
|
| 1081 |
with snapshot: ChargingMonitorSnapshot, |
|
| 1082 |
stopThreshold: Double?, |
|
| 1083 |
charger: NSManagedObject? |
|
| 1084 |
) {
|
|
| 1085 |
let sessionChargingTransportMode = chargingTransportMode(for: session) |
|
| 1086 |
let lastObservedAt = dateValue(session, key: "lastObservedAt") |
|
| 1087 |
let previousPower = doubleValue(session, key: "lastObservedPowerWatts") |
|
| 1088 |
let previousCurrent = doubleValue(session, key: "lastObservedCurrentAmps") |
|
| 1089 |
var measuredEnergyWh = doubleValue(session, key: "measuredEnergyWh") |
|
| 1090 |
var measuredChargeAh = doubleValue(session, key: "measuredChargeAh") |
|
| 1091 |
var sourceMode = ChargeSessionSourceMode(rawValue: stringValue(session, key: "sourceModeRawValue") ?? "") ?? .live |
|
| 1092 |
var usedOfflineMeterCounters = boolValue(session, key: "usedOfflineMeterCounters") |
|
| 1093 | ||
| 1094 |
if let lastObservedAt {
|
|
| 1095 |
let deltaSeconds = max(snapshot.observedAt.timeIntervalSince(lastObservedAt), 0) |
|
| 1096 |
if deltaSeconds > 0, deltaSeconds <= maximumLiveIntegrationGap {
|
|
| 1097 |
measuredEnergyWh += max(previousPower, 0) * deltaSeconds / 3600 |
|
| 1098 |
measuredChargeAh += max(previousCurrent, 0) * deltaSeconds / 3600 |
|
| 1099 |
if sourceMode == .offline {
|
|
| 1100 |
sourceMode = .blended |
|
| 1101 |
} |
|
| 1102 |
} |
|
| 1103 |
} |
|
| 1104 | ||
| 1105 |
if let counterGroup = snapshot.selectedDataGroup, |
|
| 1106 |
let storedGroup = optionalInt16Value(session, key: "selectedDataGroup"), |
|
| 1107 |
UInt8(storedGroup) != counterGroup {
|
|
| 1108 |
session.setValue(Int16(counterGroup), forKey: "selectedDataGroup") |
|
| 1109 |
session.setValue(snapshot.meterEnergyCounterWh, forKey: "meterEnergyBaselineWh") |
|
| 1110 |
session.setValue(snapshot.meterChargeCounterAh, forKey: "meterChargeBaselineAh") |
|
| 1111 |
} |
|
| 1112 | ||
| 1113 |
if let meterEnergyCounterWh = snapshot.meterEnergyCounterWh {
|
|
| 1114 |
let baselineEnergy = optionalDoubleValue(session, key: "meterEnergyBaselineWh") ?? meterEnergyCounterWh |
|
| 1115 |
let lastEnergy = optionalDoubleValue(session, key: "meterLastEnergyWh") |
|
| 1116 |
if optionalDoubleValue(session, key: "meterEnergyBaselineWh") == nil {
|
|
| 1117 |
session.setValue(baselineEnergy, forKey: "meterEnergyBaselineWh") |
|
| 1118 |
} |
|
| 1119 | ||
| 1120 |
if meterEnergyCounterWh + counterDecreaseTolerance >= baselineEnergy {
|
|
| 1121 |
let offlineEnergy = meterEnergyCounterWh - baselineEnergy |
|
| 1122 |
measuredEnergyWh = max(offlineEnergy, 0) |
|
| 1123 |
usedOfflineMeterCounters = true |
|
| 1124 |
sourceMode = .offline |
|
| 1125 |
} else if let lastEnergy, meterEnergyCounterWh > lastEnergy {
|
|
| 1126 |
let delta = meterEnergyCounterWh - lastEnergy |
|
| 1127 |
if delta > 0 {
|
|
| 1128 |
measuredEnergyWh += delta |
|
| 1129 |
usedOfflineMeterCounters = true |
|
| 1130 |
sourceMode = .blended |
|
| 1131 |
} |
|
| 1132 |
} |
|
| 1133 |
session.setValue(meterEnergyCounterWh, forKey: "meterLastEnergyWh") |
|
| 1134 |
} |
|
| 1135 | ||
| 1136 |
if let meterChargeCounterAh = snapshot.meterChargeCounterAh {
|
|
| 1137 |
let baselineCharge = optionalDoubleValue(session, key: "meterChargeBaselineAh") ?? meterChargeCounterAh |
|
| 1138 |
let lastCharge = optionalDoubleValue(session, key: "meterLastChargeAh") |
|
| 1139 |
if optionalDoubleValue(session, key: "meterChargeBaselineAh") == nil {
|
|
| 1140 |
session.setValue(baselineCharge, forKey: "meterChargeBaselineAh") |
|
| 1141 |
} |
|
| 1142 | ||
| 1143 |
if meterChargeCounterAh + counterDecreaseTolerance >= baselineCharge {
|
|
| 1144 |
let offlineCharge = meterChargeCounterAh - baselineCharge |
|
| 1145 |
measuredChargeAh = max(offlineCharge, 0) |
|
| 1146 |
usedOfflineMeterCounters = true |
|
| 1147 |
} else if let lastCharge, meterChargeCounterAh > lastCharge {
|
|
| 1148 |
let delta = meterChargeCounterAh - lastCharge |
|
| 1149 |
if delta > 0 {
|
|
| 1150 |
measuredChargeAh += delta |
|
| 1151 |
usedOfflineMeterCounters = true |
|
| 1152 |
} |
|
| 1153 |
} |
|
| 1154 |
session.setValue(meterChargeCounterAh, forKey: "meterLastChargeAh") |
|
| 1155 |
} |
|
| 1156 | ||
| 1157 |
if let meterRecordingDurationSeconds = snapshot.meterRecordingDurationSeconds {
|
|
| 1158 |
let baselineDuration = optionalDoubleValue(session, key: "meterDurationBaselineSeconds") ?? meterRecordingDurationSeconds |
|
| 1159 |
if optionalDoubleValue(session, key: "meterDurationBaselineSeconds") == nil {
|
|
| 1160 |
setValue(baselineDuration, on: session, key: "meterDurationBaselineSeconds") |
|
| 1161 |
} |
|
| 1162 |
setValue(meterRecordingDurationSeconds, on: session, key: "meterLastDurationSeconds") |
|
| 1163 |
} |
|
| 1164 | ||
| 1165 |
let existingMinimum = optionalDoubleValue(session, key: "minimumObservedCurrentAmps") |
|
| 1166 |
let updatedMinimum: Double |
|
| 1167 |
if snapshot.currentAmps > 0 {
|
|
| 1168 |
updatedMinimum = min(existingMinimum ?? snapshot.currentAmps, snapshot.currentAmps) |
|
| 1169 |
} else {
|
|
| 1170 |
updatedMinimum = existingMinimum ?? 0 |
|
| 1171 |
} |
|
| 1172 | ||
| 1173 |
let effectiveCurrent = effectiveCurrentAmps( |
|
| 1174 |
fromMeasuredCurrent: snapshot.currentAmps, |
|
| 1175 |
chargingTransportMode: sessionChargingTransportMode, |
|
| 1176 |
charger: charger |
|
| 1177 |
) |
|
| 1178 |
let observedChargeFlow = boolValue(session, key: "hasObservedChargeFlow") |
|
| 1179 |
|| hasObservedChargeFlow( |
|
| 1180 |
currentAmps: snapshot.currentAmps, |
|
| 1181 |
chargingTransportMode: sessionChargingTransportMode, |
|
| 1182 |
charger: charger, |
|
| 1183 |
stopThreshold: stopThreshold |
|
| 1184 |
) |
|
| 1185 | ||
| 1186 |
session.setValue(measuredEnergyWh, forKey: "measuredEnergyWh") |
|
| 1187 |
session.setValue(measuredChargeAh, forKey: "measuredChargeAh") |
|
| 1188 |
session.setValue(updatedMinimum, forKey: "minimumObservedCurrentAmps") |
|
| 1189 |
session.setValue(stopThreshold ?? 0, forKey: "stopThresholdAmps") |
|
| 1190 |
session.setValue(snapshot.observedAt, forKey: "lastObservedAt") |
|
| 1191 |
session.setValue(snapshot.currentAmps, forKey: "lastObservedCurrentAmps") |
|
| 1192 |
session.setValue(snapshot.powerWatts, forKey: "lastObservedPowerWatts") |
|
| 1193 |
session.setValue( |
|
| 1194 |
sessionChargingTransportMode == .wired ? snapshot.voltageVolts : nil, |
|
| 1195 |
forKey: "lastObservedVoltageVolts" |
|
| 1196 |
) |
|
| 1197 |
session.setValue(observedChargeFlow, forKey: "hasObservedChargeFlow") |
|
| 1198 |
session.setValue( |
|
| 1199 |
max(optionalDoubleValue(session, key: "maximumObservedCurrentAmps") ?? snapshot.currentAmps, snapshot.currentAmps), |
|
| 1200 |
forKey: "maximumObservedCurrentAmps" |
|
| 1201 |
) |
|
| 1202 |
session.setValue( |
|
| 1203 |
max(optionalDoubleValue(session, key: "maximumObservedPowerWatts") ?? snapshot.powerWatts, snapshot.powerWatts), |
|
| 1204 |
forKey: "maximumObservedPowerWatts" |
|
| 1205 |
) |
|
| 1206 |
session.setValue( |
|
| 1207 |
sessionChargingTransportMode == .wired |
|
| 1208 |
? max(optionalDoubleValue(session, key: "maximumObservedVoltageVolts") ?? snapshot.voltageVolts, snapshot.voltageVolts) |
|
| 1209 |
: nil, |
|
| 1210 |
forKey: "maximumObservedVoltageVolts" |
|
| 1211 |
) |
|
| 1212 |
session.setValue(usedOfflineMeterCounters, forKey: "usedOfflineMeterCounters") |
|
| 1213 |
session.setValue(sourceMode.rawValue, forKey: "sourceModeRawValue") |
|
| 1214 |
maybeTriggerTargetBatteryAlert(for: session, observedAt: snapshot.observedAt) |
|
| 1215 | ||
| 1216 |
guard boolValue(session, key: "autoStopEnabled"), let stopThreshold, stopThreshold > 0, observedChargeFlow else {
|
|
| 1217 |
session.setValue(nil, forKey: "belowThresholdSince") |
|
| 1218 |
clearCompletionConfirmationState(for: session) |
|
| 1219 |
session.setValue(nil, forKey: "completionConfirmationCooldownUntil") |
|
| 1220 |
return |
|
| 1221 |
} |
|
| 1222 | ||
| 1223 |
if effectiveCurrent <= stopThreshold {
|
|
| 1224 |
let belowThresholdSince = dateValue(session, key: "belowThresholdSince") ?? snapshot.observedAt |
|
| 1225 |
session.setValue(belowThresholdSince, forKey: "belowThresholdSince") |
|
| 1226 |
if snapshot.observedAt.timeIntervalSince(belowThresholdSince) >= stopDetectionHoldDuration {
|
|
| 1227 |
if boolValue(session, key: "requiresCompletionConfirmation") {
|
|
| 1228 |
// Leave the session active until the user explicitly confirms or charging resumes. |
|
| 1229 |
return |
|
| 1230 |
} |
|
| 1231 | ||
| 1232 |
if shouldRequireCompletionConfirmation(for: session, observedAt: snapshot.observedAt) {
|
|
| 1233 |
requestCompletionConfirmation(for: session, observedAt: snapshot.observedAt) |
|
| 1234 |
} else {
|
|
| 1235 |
finishSession( |
|
| 1236 |
session, |
|
| 1237 |
observedAt: snapshot.observedAt, |
|
| 1238 |
finalBatteryPercent: nil, |
|
| 1239 |
label: nil, |
|
| 1240 |
status: .completed |
|
| 1241 |
) |
|
| 1242 |
} |
|
| 1243 |
} |
|
| 1244 |
} else {
|
|
| 1245 |
session.setValue(nil, forKey: "belowThresholdSince") |
|
| 1246 |
clearCompletionConfirmationState(for: session) |
|
| 1247 |
session.setValue(nil, forKey: "completionConfirmationCooldownUntil") |
|
| 1248 |
} |
|
| 1249 |
} |
|
| 1250 | ||
| 1251 |
private func updateAggregatedSample( |
|
| 1252 |
session: NSManagedObject, |
|
| 1253 |
with snapshot: ChargingMonitorSnapshot |
|
| 1254 |
) -> NSManagedObject? {
|
|
| 1255 |
guard |
|
| 1256 |
let sessionID = stringValue(session, key: "id"), |
|
| 1257 |
let chargedDeviceID = stringValue(session, key: "chargedDeviceID"), |
|
| 1258 |
let startedAt = dateValue(session, key: "startedAt"), |
|
| 1259 |
let entity = NSEntityDescription.entity(forEntityName: EntityName.chargeSessionSample, in: context) |
|
| 1260 |
else {
|
|
| 1261 |
return nil |
|
| 1262 |
} |
|
| 1263 | ||
| 1264 |
let elapsed = max(snapshot.observedAt.timeIntervalSince(startedAt), 0) |
|
| 1265 |
let bucketIndex = Int32(floor(elapsed / Self.aggregatedSampleBucketDuration)) |
|
| 1266 |
let bucketStart = startedAt.addingTimeInterval(Double(bucketIndex) * Self.aggregatedSampleBucketDuration) |
|
| 1267 |
let bucketIdentifier = "\(sessionID)-\(bucketIndex)" |
|
| 1268 |
let sample = fetchSessionSampleObject(sessionID: sessionID, bucketIndex: bucketIndex) |
|
| 1269 |
?? NSManagedObject(entity: entity, insertInto: context) |
|
| 1270 |
let sessionChargingTransportMode = chargingTransportMode(for: session) |
|
| 1271 |
let sampleVoltage = sessionChargingTransportMode == .wired ? snapshot.voltageVolts : nil |
|
| 1272 | ||
| 1273 |
let existingCount = max(optionalInt16Value(sample, key: "sampleCount") ?? 0, 0) |
|
| 1274 |
let updatedCount = existingCount + 1 |
|
| 1275 | ||
| 1276 |
sample.setValue(bucketIdentifier, forKey: "id") |
|
| 1277 |
sample.setValue(sessionID, forKey: "sessionID") |
|
| 1278 |
sample.setValue(chargedDeviceID, forKey: "chargedDeviceID") |
|
| 1279 |
sample.setValue(bucketIndex, forKey: "bucketIndex") |
|
| 1280 |
sample.setValue(max(snapshot.observedAt, bucketStart), forKey: "timestamp") |
|
| 1281 |
sample.setValue( |
|
| 1282 |
runningAverage( |
|
| 1283 |
currentAverage: optionalDoubleValue(sample, key: "averageCurrentAmps") ?? snapshot.currentAmps, |
|
| 1284 |
currentCount: Int(existingCount), |
|
| 1285 |
newValue: snapshot.currentAmps |
|
| 1286 |
), |
|
| 1287 |
forKey: "averageCurrentAmps" |
|
| 1288 |
) |
|
| 1289 |
sample.setValue( |
|
| 1290 |
sampleVoltage.flatMap { voltage in
|
|
| 1291 |
runningAverage( |
|
| 1292 |
currentAverage: optionalDoubleValue(sample, key: "averageVoltageVolts") ?? voltage, |
|
| 1293 |
currentCount: Int(existingCount), |
|
| 1294 |
newValue: voltage |
|
| 1295 |
) |
|
| 1296 |
}, |
|
| 1297 |
forKey: "averageVoltageVolts" |
|
| 1298 |
) |
|
| 1299 |
sample.setValue( |
|
| 1300 |
runningAverage( |
|
| 1301 |
currentAverage: optionalDoubleValue(sample, key: "averagePowerWatts") ?? snapshot.powerWatts, |
|
| 1302 |
currentCount: Int(existingCount), |
|
| 1303 |
newValue: snapshot.powerWatts |
|
| 1304 |
), |
|
| 1305 |
forKey: "averagePowerWatts" |
|
| 1306 |
) |
|
| 1307 |
sample.setValue(doubleValue(session, key: "measuredEnergyWh"), forKey: "measuredEnergyWh") |
|
| 1308 |
sample.setValue(doubleValue(session, key: "measuredChargeAh"), forKey: "measuredChargeAh") |
|
| 1309 |
sample.setValue(Int16(updatedCount), forKey: "sampleCount") |
|
| 1310 |
sample.setValue(dateValue(sample, key: "createdAt") ?? snapshot.observedAt, forKey: "createdAt") |
|
| 1311 |
sample.setValue(snapshot.observedAt, forKey: "updatedAt") |
|
| 1312 |
return sample |
|
| 1313 |
} |
|
| 1314 | ||
| 1315 |
private func maybeTriggerTargetBatteryAlert(for session: NSManagedObject, observedAt: Date) {
|
|
| 1316 |
guard dateValue(session, key: "targetBatteryAlertTriggeredAt") == nil else {
|
|
| 1317 |
return |
|
| 1318 |
} |
|
| 1319 | ||
| 1320 |
guard let targetBatteryPercent = optionalDoubleValue(session, key: "targetBatteryPercent") else {
|
|
| 1321 |
return |
|
| 1322 |
} |
|
| 1323 | ||
| 1324 |
let predictedBatteryPercent = predictedBatteryPercent(for: session) |
|
| 1325 |
?? optionalDoubleValue(session, key: "endBatteryPercent") |
|
| 1326 | ||
| 1327 |
guard let predictedBatteryPercent, predictedBatteryPercent >= targetBatteryPercent else {
|
|
| 1328 |
return |
|
| 1329 |
} |
|
| 1330 | ||
| 1331 |
session.setValue(observedAt, forKey: "targetBatteryAlertTriggeredAt") |
|
| 1332 |
} |
|
| 1333 | ||
| 1334 |
private func shouldRequireCompletionConfirmation( |
|
| 1335 |
for session: NSManagedObject, |
|
| 1336 |
observedAt: Date |
|
| 1337 |
) -> Bool {
|
|
| 1338 |
if let cooldownUntil = dateValue(session, key: "completionConfirmationCooldownUntil"), |
|
| 1339 |
cooldownUntil > observedAt {
|
|
| 1340 |
return false |
|
| 1341 |
} |
|
| 1342 | ||
| 1343 |
guard let predictedBatteryPercent = predictedBatteryPercent(for: session) else {
|
|
| 1344 |
return false |
|
| 1345 |
} |
|
| 1346 | ||
| 1347 |
let expectedCompletionPercent = optionalDoubleValue(session, key: "targetBatteryPercent") |
|
| 1348 |
?? defaultCompletionPercentThreshold |
|
| 1349 | ||
| 1350 |
return predictedBatteryPercent + completionContradictionTolerancePercent < expectedCompletionPercent |
|
| 1351 |
} |
|
| 1352 | ||
| 1353 |
private func requestCompletionConfirmation(for session: NSManagedObject, observedAt: Date) {
|
|
| 1354 |
guard !boolValue(session, key: "requiresCompletionConfirmation") else {
|
|
| 1355 |
return |
|
| 1356 |
} |
|
| 1357 | ||
| 1358 |
session.setValue(true, forKey: "requiresCompletionConfirmation") |
|
| 1359 |
session.setValue(observedAt, forKey: "completionConfirmationRequestedAt") |
|
| 1360 |
session.setValue(predictedBatteryPercent(for: session), forKey: "completionContradictionPercent") |
|
| 1361 |
} |
|
| 1362 | ||
| 1363 |
private func clearCompletionConfirmationState(for session: NSManagedObject) {
|
|
| 1364 |
session.setValue(false, forKey: "requiresCompletionConfirmation") |
|
| 1365 |
session.setValue(nil, forKey: "completionConfirmationRequestedAt") |
|
| 1366 |
session.setValue(nil, forKey: "completionContradictionPercent") |
|
| 1367 |
} |
|
| 1368 | ||
| 1369 |
private func snapshotDateForManualStop(_ session: NSManagedObject) -> Date {
|
|
| 1370 |
if statusValue(session, key: "statusRawValue") == .paused {
|
|
| 1371 |
return dateValue(session, key: "pausedAt") |
|
| 1372 |
?? dateValue(session, key: "lastObservedAt") |
|
| 1373 |
?? Date() |
|
| 1374 |
} |
|
| 1375 |
return dateValue(session, key: "lastObservedAt") ?? Date() |
|
| 1376 |
} |
|
| 1377 | ||
| 1378 |
@discardableResult |
|
| 1379 |
private func maybeCompletePausedSession(_ session: NSManagedObject, observedAt: Date) -> Bool {
|
|
| 1380 |
guard statusValue(session, key: "statusRawValue") == .paused else {
|
|
| 1381 |
return false |
|
| 1382 |
} |
|
| 1383 | ||
| 1384 |
guard let pausedAt = dateValue(session, key: "pausedAt"), |
|
| 1385 |
observedAt.timeIntervalSince(pausedAt) >= pausedSessionTimeout else {
|
|
| 1386 |
return false |
|
| 1387 |
} |
|
| 1388 | ||
| 1389 |
finishSession( |
|
| 1390 |
session, |
|
| 1391 |
observedAt: pausedAt.addingTimeInterval(pausedSessionTimeout), |
|
| 1392 |
finalBatteryPercent: nil, |
|
| 1393 |
label: nil, |
|
| 1394 |
status: .completed |
|
| 1395 |
) |
|
| 1396 | ||
| 1397 |
guard saveContext() else {
|
|
| 1398 |
return false |
|
| 1399 |
} |
|
| 1400 | ||
| 1401 |
if let chargedDeviceID = stringValue(session, key: "chargedDeviceID") {
|
|
| 1402 |
refreshDerivedMetrics(forChargedDeviceID: chargedDeviceID) |
|
| 1403 |
return saveContext() |
|
| 1404 |
} |
|
| 1405 | ||
| 1406 |
return true |
|
| 1407 |
} |
|
| 1408 | ||
| 1409 |
private func completionCurrentForSessionEnd(_ session: NSManagedObject) -> Double? {
|
|
| 1410 |
let chargingTransportMode = chargingTransportMode(for: session) |
|
| 1411 |
let measuredCurrent = optionalDoubleValue(session, key: "lastObservedCurrentAmps") |
|
| 1412 |
?? doubleValue(session, key: "lastObservedCurrentAmps") |
|
| 1413 | ||
| 1414 |
guard measuredCurrent > 0 else {
|
|
| 1415 |
return nil |
|
| 1416 |
} |
|
| 1417 | ||
| 1418 |
let charger = chargingTransportMode == .wireless |
|
| 1419 |
? stringValue(session, key: "chargerID").flatMap(fetchChargedDeviceObject(id:)) |
|
| 1420 |
: nil |
|
| 1421 | ||
| 1422 |
if chargingTransportMode == .wireless, chargerIdleCurrent(for: charger) == nil {
|
|
| 1423 |
return nil |
|
| 1424 |
} |
|
| 1425 | ||
| 1426 |
let effectiveCurrent = effectiveCurrentAmps( |
|
| 1427 |
fromMeasuredCurrent: measuredCurrent, |
|
| 1428 |
chargingTransportMode: chargingTransportMode, |
|
| 1429 |
charger: charger |
|
| 1430 |
) |
|
| 1431 |
guard effectiveCurrent > 0 else {
|
|
| 1432 |
return nil |
|
| 1433 |
} |
|
| 1434 |
return effectiveCurrent |
|
| 1435 |
} |
|
| 1436 | ||
| 1437 |
private func finishSession( |
|
| 1438 |
_ session: NSManagedObject, |
|
| 1439 |
observedAt: Date, |
|
| 1440 |
finalBatteryPercent: Double?, |
|
| 1441 |
label: String?, |
|
| 1442 |
status: ChargeSessionStatus |
|
| 1443 |
) {
|
|
| 1444 |
if let finalBatteryPercent {
|
|
| 1445 |
_ = insertBatteryCheckpoint( |
|
| 1446 |
percent: finalBatteryPercent, |
|
| 1447 |
label: label, |
|
| 1448 |
timestamp: observedAt, |
|
| 1449 |
to: session |
|
| 1450 |
) |
|
| 1451 |
} |
|
| 1452 | ||
| 1453 |
session.setValue(status.rawValue, forKey: "statusRawValue") |
|
| 1454 |
session.setValue(nil, forKey: "pausedAt") |
|
| 1455 |
session.setValue(nil, forKey: "belowThresholdSince") |
|
| 1456 |
session.setValue(observedAt, forKey: "endedAt") |
|
| 1457 |
session.setValue(observedAt, forKey: "lastObservedAt") |
|
| 1458 |
session.setValue(completionCurrentForSessionEnd(session), forKey: "completionCurrentAmps") |
|
| 1459 |
clearCompletionConfirmationState(for: session) |
|
| 1460 |
session.setValue(nil, forKey: "completionConfirmationCooldownUntil") |
|
| 1461 |
updateCapacityEstimate(for: session) |
|
| 1462 |
session.setValue(observedAt, forKey: "updatedAt") |
|
| 1463 |
} |
|
| 1464 | ||
| 1465 |
private func predictedBatteryPercent(for session: NSManagedObject) -> Double? {
|
|
| 1466 |
guard |
|
| 1467 |
let chargedDeviceID = stringValue(session, key: "chargedDeviceID"), |
|
| 1468 |
let chargedDevice = fetchChargedDeviceObject(id: chargedDeviceID), |
|
| 1469 |
let estimatedCapacityWh = resolvedEstimatedBatteryCapacityWh(for: session, chargedDevice: chargedDevice), |
|
| 1470 |
estimatedCapacityWh > 0 |
|
| 1471 |
else {
|
|
| 1472 |
return nil |
|
| 1473 |
} |
|
| 1474 | ||
| 1475 |
let measuredEnergyWh = optionalDoubleValue(session, key: "effectiveBatteryEnergyWh") |
|
| 1476 |
?? doubleValue(session, key: "measuredEnergyWh") |
|
| 1477 |
let sessionID = stringValue(session, key: "id") ?? "" |
|
| 1478 | ||
| 1479 |
struct Anchor {
|
|
| 1480 |
let percent: Double |
|
| 1481 |
let energyWh: Double |
|
| 1482 |
let timestamp: Date |
|
| 1483 |
let isCheckpoint: Bool |
|
| 1484 |
} |
|
| 1485 | ||
| 1486 |
var anchors: [Anchor] = [] |
|
| 1487 |
if let startBatteryPercent = optionalDoubleValue(session, key: "startBatteryPercent"), |
|
| 1488 |
startBatteryPercent >= 0 {
|
|
| 1489 |
anchors.append( |
|
| 1490 |
Anchor( |
|
| 1491 |
percent: startBatteryPercent, |
|
| 1492 |
energyWh: 0, |
|
| 1493 |
timestamp: dateValue(session, key: "startedAt") ?? Date.distantPast, |
|
| 1494 |
isCheckpoint: false |
|
| 1495 |
) |
|
| 1496 |
) |
|
| 1497 |
} |
|
| 1498 | ||
| 1499 |
let checkpointAnchors = fetchCheckpointObjects(forSessionID: sessionID) |
|
| 1500 |
.compactMap(makeCheckpointSummary(from:)) |
|
| 1501 |
.sorted { lhs, rhs in
|
|
| 1502 |
if lhs.measuredEnergyWh != rhs.measuredEnergyWh {
|
|
| 1503 |
return lhs.measuredEnergyWh < rhs.measuredEnergyWh |
|
| 1504 |
} |
|
| 1505 |
return lhs.timestamp < rhs.timestamp |
|
| 1506 |
} |
|
| 1507 |
.filter { $0.batteryPercent >= 0 }
|
|
| 1508 |
.map {
|
|
| 1509 |
Anchor( |
|
| 1510 |
percent: $0.batteryPercent, |
|
| 1511 |
energyWh: $0.measuredEnergyWh, |
|
| 1512 |
timestamp: $0.timestamp, |
|
| 1513 |
isCheckpoint: true |
|
| 1514 |
) |
|
| 1515 |
} |
|
| 1516 |
anchors.append(contentsOf: checkpointAnchors) |
|
| 1517 | ||
| 1518 |
guard !anchors.isEmpty else {
|
|
| 1519 |
return optionalDoubleValue(session, key: "endBatteryPercent") |
|
| 1520 |
} |
|
| 1521 | ||
| 1522 |
let anchor = anchors.filter { $0.energyWh <= measuredEnergyWh + 0.05 }.last ?? anchors.first!
|
|
| 1523 |
return BatteryLevelPredictionTuning.predictedPercent( |
|
| 1524 |
anchorPercent: anchor.percent, |
|
| 1525 |
anchorEnergyWh: anchor.energyWh, |
|
| 1526 |
anchorTimestamp: anchor.timestamp, |
|
| 1527 |
anchorIsCheckpoint: anchor.isCheckpoint, |
|
| 1528 |
effectiveEnergyWh: measuredEnergyWh, |
|
| 1529 |
referenceTimestamp: dateValue(session, key: "lastObservedAt") ?? anchor.timestamp, |
|
| 1530 |
estimatedCapacityWh: estimatedCapacityWh |
|
| 1531 |
) |
|
| 1532 |
} |
|
| 1533 | ||
| 1534 |
private func resolvedEstimatedBatteryCapacityWh( |
|
| 1535 |
for session: NSManagedObject, |
|
| 1536 |
chargedDevice: NSManagedObject |
|
| 1537 |
) -> Double? {
|
|
| 1538 |
if let sessionCapacityEstimate = optionalDoubleValue(session, key: "capacityEstimateWh"), |
|
| 1539 |
sessionCapacityEstimate > 0 {
|
|
| 1540 |
return sessionCapacityEstimate |
|
| 1541 |
} |
|
| 1542 | ||
| 1543 |
switch chargingTransportMode(for: session) {
|
|
| 1544 |
case .wired: |
|
| 1545 |
return optionalDoubleValue(chargedDevice, key: "wiredEstimatedBatteryCapacityWh") |
|
| 1546 |
?? optionalDoubleValue(chargedDevice, key: "estimatedBatteryCapacityWh") |
|
| 1547 |
case .wireless: |
|
| 1548 |
return optionalDoubleValue(chargedDevice, key: "wirelessEstimatedBatteryCapacityWh") |
|
| 1549 |
?? optionalDoubleValue(chargedDevice, key: "estimatedBatteryCapacityWh") |
|
| 1550 |
} |
|
| 1551 |
} |
|
| 1552 | ||
| 1553 |
private func updateCapacityEstimate(for session: NSManagedObject) {
|
|
| 1554 |
guard |
|
| 1555 |
let chargedDeviceID = stringValue(session, key: "chargedDeviceID"), |
|
| 1556 |
let chargedDevice = fetchChargedDeviceObject(id: chargedDeviceID) |
|
| 1557 |
else {
|
|
| 1558 |
session.setValue(nil, forKey: "effectiveBatteryEnergyWh") |
|
| 1559 |
session.setValue(nil, forKey: "capacityEstimateWh") |
|
| 1560 |
return |
|
| 1561 |
} |
|
| 1562 | ||
| 1563 |
let measuredEnergyWh = doubleValue(session, key: "measuredEnergyWh") |
|
| 1564 |
let chargingMode = chargingTransportMode(for: session) |
|
| 1565 |
let wirelessResolution = chargingMode == .wireless |
|
| 1566 |
? resolvedWirelessEfficiency(for: session, chargedDevice: chargedDevice) |
|
| 1567 |
: nil |
|
| 1568 |
let effectiveBatteryEnergyWh = chargingMode == .wired |
|
| 1569 |
? measuredEnergyWh |
|
| 1570 |
: wirelessResolution.map { measuredEnergyWh * $0.factor }
|
|
| 1571 | ||
| 1572 |
session.setValue(effectiveBatteryEnergyWh, forKey: "effectiveBatteryEnergyWh") |
|
| 1573 |
session.setValue(wirelessResolution?.factor, forKey: "wirelessEfficiencyFactor") |
|
| 1574 |
session.setValue(wirelessResolution?.usesEstimated ?? false, forKey: "usesEstimatedWirelessEfficiency") |
|
| 1575 |
session.setValue(wirelessResolution?.shouldWarn ?? false, forKey: "shouldWarnAboutLowWirelessEfficiency") |
|
| 1576 | ||
| 1577 |
guard |
|
| 1578 |
let startBatteryPercent = optionalDoubleValue(session, key: "startBatteryPercent"), |
|
| 1579 |
let endBatteryPercent = optionalDoubleValue(session, key: "endBatteryPercent") |
|
| 1580 |
else {
|
|
| 1581 |
session.setValue(nil, forKey: "capacityEstimateWh") |
|
| 1582 |
return |
|
| 1583 |
} |
|
| 1584 | ||
| 1585 |
guard startBatteryPercent >= 0, endBatteryPercent >= 0 else {
|
|
| 1586 |
session.setValue(nil, forKey: "capacityEstimateWh") |
|
| 1587 |
return |
|
| 1588 |
} |
|
| 1589 | ||
| 1590 |
let percentDelta = endBatteryPercent - startBatteryPercent |
|
| 1591 |
let supportsChargingWhileOff = boolValue(chargedDevice, key: "supportsChargingWhileOff") |
|
| 1592 | ||
| 1593 |
guard percentDelta >= 20, let effectiveBatteryEnergyWh, effectiveBatteryEnergyWh > 0 else {
|
|
| 1594 |
session.setValue(nil, forKey: "capacityEstimateWh") |
|
| 1595 |
return |
|
| 1596 |
} |
|
| 1597 | ||
| 1598 |
if !supportsChargingWhileOff && endBatteryPercent >= 99.5 {
|
|
| 1599 |
session.setValue(nil, forKey: "capacityEstimateWh") |
|
| 1600 |
return |
|
| 1601 |
} |
|
| 1602 | ||
| 1603 |
let capacityEstimateWh = effectiveBatteryEnergyWh / (percentDelta / 100) |
|
| 1604 |
session.setValue(capacityEstimateWh, forKey: "capacityEstimateWh") |
|
| 1605 |
} |
|
| 1606 | ||
| 1607 |
@discardableResult |
|
| 1608 |
private func insertBatteryCheckpoint( |
|
| 1609 |
percent: Double, |
|
| 1610 |
label: String?, |
|
| 1611 |
timestamp: Date = Date(), |
|
| 1612 |
measuredEnergyWhOverride: Double? = nil, |
|
| 1613 |
measuredChargeAhOverride: Double? = nil, |
|
| 1614 |
to session: NSManagedObject |
|
| 1615 |
) -> String? {
|
|
| 1616 |
guard |
|
| 1617 |
let sessionID = stringValue(session, key: "id"), |
|
| 1618 |
let chargedDeviceID = stringValue(session, key: "chargedDeviceID"), |
|
| 1619 |
let entity = NSEntityDescription.entity(forEntityName: EntityName.chargeCheckpoint, in: context) |
|
| 1620 |
else {
|
|
| 1621 |
return nil |
|
| 1622 |
} |
|
| 1623 | ||
| 1624 |
let checkpoint = NSManagedObject(entity: entity, insertInto: context) |
|
| 1625 |
let checkpointEnergyWh = measuredEnergyWhOverride |
|
| 1626 |
?? optionalDoubleValue(session, key: "effectiveBatteryEnergyWh") |
|
| 1627 |
?? doubleValue(session, key: "measuredEnergyWh") |
|
| 1628 |
let checkpointChargeAh = measuredChargeAhOverride |
|
| 1629 |
?? doubleValue(session, key: "measuredChargeAh") |
|
| 1630 |
checkpoint.setValue(UUID().uuidString, forKey: "id") |
|
| 1631 |
checkpoint.setValue(sessionID, forKey: "sessionID") |
|
| 1632 |
checkpoint.setValue(chargedDeviceID, forKey: "chargedDeviceID") |
|
| 1633 |
checkpoint.setValue(timestamp, forKey: "timestamp") |
|
| 1634 |
checkpoint.setValue(percent, forKey: "batteryPercent") |
|
| 1635 |
checkpoint.setValue(checkpointEnergyWh, forKey: "measuredEnergyWh") |
|
| 1636 |
checkpoint.setValue(checkpointChargeAh, forKey: "measuredChargeAh") |
|
| 1637 |
checkpoint.setValue(doubleValue(session, key: "lastObservedCurrentAmps"), forKey: "currentAmps") |
|
| 1638 |
checkpoint.setValue( |
|
| 1639 |
chargingTransportMode(for: session) == .wired ? optionalDoubleValue(session, key: "lastObservedVoltageVolts") : nil, |
|
| 1640 |
forKey: "voltageVolts" |
|
| 1641 |
) |
|
| 1642 |
checkpoint.setValue(normalizedOptionalText(label), forKey: "label") |
|
| 1643 |
checkpoint.setValue(timestamp, forKey: "createdAt") |
|
| 1644 | ||
| 1645 |
let existingStartBatteryPercent = optionalDoubleValue(session, key: "startBatteryPercent") |
|
| 1646 |
if existingStartBatteryPercent == nil || ((existingStartBatteryPercent ?? 0) < 0 && percent > 0) {
|
|
| 1647 |
session.setValue(percent, forKey: "startBatteryPercent") |
|
| 1648 |
} |
|
| 1649 |
if (existingStartBatteryPercent ?? 0) >= 0 || percent > 0 {
|
|
| 1650 |
session.setValue(percent, forKey: "endBatteryPercent") |
|
| 1651 |
} |
|
| 1652 |
session.setValue(timestamp, forKey: "updatedAt") |
|
| 1653 |
updateCapacityEstimate(for: session) |
|
| 1654 | ||
| 1655 |
return chargedDeviceID |
|
| 1656 |
} |
|
| 1657 | ||
| 1658 |
private func refreshCheckpointDerivedValues(for session: NSManagedObject) {
|
|
| 1659 |
guard let sessionID = stringValue(session, key: "id") else {
|
|
| 1660 |
return |
|
| 1661 |
} |
|
| 1662 | ||
| 1663 |
let remainingCheckpoints = fetchCheckpointObjects(forSessionID: sessionID) |
|
| 1664 |
if let latestCheckpoint = remainingCheckpoints.last {
|
|
| 1665 |
session.setValue(doubleValue(latestCheckpoint, key: "batteryPercent"), forKey: "endBatteryPercent") |
|
| 1666 |
} else if let startBatteryPercent = optionalDoubleValue(session, key: "startBatteryPercent"), |
|
| 1667 |
startBatteryPercent >= 0 {
|
|
| 1668 |
session.setValue(startBatteryPercent, forKey: "endBatteryPercent") |
|
| 1669 |
} else {
|
|
| 1670 |
session.setValue(nil, forKey: "endBatteryPercent") |
|
| 1671 |
} |
|
| 1672 | ||
| 1673 |
session.setValue(Date(), forKey: "updatedAt") |
|
| 1674 |
updateCapacityEstimate(for: session) |
|
| 1675 |
} |
|
| 1676 | ||
| 1677 |
@discardableResult |
|
| 1678 |
private func addBatteryCheckpoint( |
|
| 1679 |
percent: Double, |
|
| 1680 |
label: String?, |
|
| 1681 |
measuredEnergyWh: Double? = nil, |
|
| 1682 |
measuredChargeAh: Double? = nil, |
|
| 1683 |
to session: NSManagedObject, |
|
| 1684 |
timestamp: Date = Date() |
|
| 1685 |
) -> Bool {
|
|
| 1686 |
if let measuredEnergyWh, measuredEnergyWh.isFinite {
|
|
| 1687 |
session.setValue(max(measuredEnergyWh, 0), forKey: "measuredEnergyWh") |
|
| 1688 |
} |
|
| 1689 |
if let measuredChargeAh, measuredChargeAh.isFinite {
|
|
| 1690 |
session.setValue(max(measuredChargeAh, 0), forKey: "measuredChargeAh") |
|
| 1691 |
} |
|
| 1692 | ||
| 1693 |
guard let chargedDeviceID = insertBatteryCheckpoint( |
|
| 1694 |
percent: percent, |
|
| 1695 |
label: label, |
|
| 1696 |
timestamp: timestamp, |
|
| 1697 |
measuredEnergyWhOverride: measuredEnergyWh, |
|
| 1698 |
measuredChargeAhOverride: measuredChargeAh, |
|
| 1699 |
to: session |
|
| 1700 |
) else {
|
|
| 1701 |
return false |
|
| 1702 |
} |
|
| 1703 | ||
| 1704 |
guard saveContext() else {
|
|
| 1705 |
return false |
|
| 1706 |
} |
|
| 1707 | ||
| 1708 |
refreshDerivedMetrics(forChargedDeviceID: chargedDeviceID) |
|
| 1709 |
return saveContext() |
|
| 1710 |
} |
|
| 1711 | ||
| 1712 |
private func resolvedWirelessEfficiency( |
|
| 1713 |
for session: NSManagedObject, |
|
| 1714 |
chargedDevice: NSManagedObject |
|
| 1715 |
) -> (factor: Double, usesEstimated: Bool, shouldWarn: Bool)? {
|
|
| 1716 |
if let storedFactor = optionalDoubleValue(session, key: "wirelessEfficiencyFactor"), |
|
| 1717 |
storedFactor > 0 {
|
|
| 1718 |
return ( |
|
| 1719 |
factor: storedFactor, |
|
| 1720 |
usesEstimated: boolValue(session, key: "usesEstimatedWirelessEfficiency"), |
|
| 1721 |
shouldWarn: boolValue(session, key: "shouldWarnAboutLowWirelessEfficiency") |
|
| 1722 |
) |
|
| 1723 |
} |
|
| 1724 | ||
| 1725 |
let chargingProfile = wirelessChargingProfile(for: chargedDevice) |
|
| 1726 |
let measuredEnergyWh = doubleValue(session, key: "measuredEnergyWh") |
|
| 1727 |
guard measuredEnergyWh > 0 else {
|
|
| 1728 |
return nil |
|
| 1729 |
} |
|
| 1730 | ||
| 1731 |
if chargingProfile == .magsafe, |
|
| 1732 |
let calibratedFactor = optionalDoubleValue(chargedDevice, key: "wirelessChargerEfficiencyFactor"), |
|
| 1733 |
calibratedFactor > 0 {
|
|
| 1734 |
return (factor: calibratedFactor, usesEstimated: false, shouldWarn: false) |
|
| 1735 |
} |
|
| 1736 | ||
| 1737 |
guard |
|
| 1738 |
let startBatteryPercent = optionalDoubleValue(session, key: "startBatteryPercent"), |
|
| 1739 |
let endBatteryPercent = optionalDoubleValue(session, key: "endBatteryPercent") |
|
| 1740 |
else {
|
|
| 1741 |
return nil |
|
| 1742 |
} |
|
| 1743 | ||
| 1744 |
let percentDelta = endBatteryPercent - startBatteryPercent |
|
| 1745 |
guard percentDelta >= 20 else {
|
|
| 1746 |
return nil |
|
| 1747 |
} |
|
| 1748 | ||
| 1749 |
guard let wiredCapacityWh = optionalDoubleValue(chargedDevice, key: "wiredEstimatedBatteryCapacityWh") |
|
| 1750 |
?? ((fallbackChargingTransportMode(for: chargedDevice) == .wired) |
|
| 1751 |
? optionalDoubleValue(chargedDevice, key: "estimatedBatteryCapacityWh") |
|
| 1752 |
: nil), |
|
| 1753 |
wiredCapacityWh > 0 |
|
| 1754 |
else {
|
|
| 1755 |
return nil |
|
| 1756 |
} |
|
| 1757 | ||
| 1758 |
let deliveredBatteryEnergyWh = wiredCapacityWh * (percentDelta / 100) |
|
| 1759 |
let rawFactor = deliveredBatteryEnergyWh / measuredEnergyWh |
|
| 1760 |
let clampedFactor = min(max(rawFactor, minimumWirelessEfficiencyFactor), maximumWirelessEfficiencyFactor) |
|
| 1761 |
let usesEstimated = chargingProfile != .magsafe |
|
| 1762 |
let shouldWarn = usesEstimated && clampedFactor < lowWirelessEfficiencyThreshold |
|
| 1763 | ||
| 1764 |
return (factor: clampedFactor, usesEstimated: usesEstimated, shouldWarn: shouldWarn) |
|
| 1765 |
} |
|
| 1766 | ||
| 1767 |
private func refreshDerivedMetrics(forChargedDeviceID chargedDeviceID: String) {
|
|
| 1768 |
guard let chargedDevice = fetchChargedDeviceObject(id: chargedDeviceID) else {
|
|
| 1769 |
return |
|
| 1770 |
} |
|
| 1771 | ||
| 1772 |
let supportsChargingWhileOff = boolValue(chargedDevice, key: "supportsChargingWhileOff") |
|
| 1773 |
let chargingStateAvailability = chargingStateAvailability(for: chargedDevice) |
|
| 1774 |
let wirelessProfile = wirelessChargingProfile(for: chargedDevice) |
|
| 1775 |
let deviceClass = ChargedDeviceClass(rawValue: stringValue(chargedDevice, key: "deviceClassRawValue") ?? "") ?? .other |
|
| 1776 |
let sessions = relevantSessionObjects( |
|
| 1777 |
for: chargedDeviceID, |
|
| 1778 |
deviceClass: deviceClass, |
|
| 1779 |
sessionsByDeviceID: [chargedDeviceID: fetchSessions(forChargedDeviceID: chargedDeviceID)], |
|
| 1780 |
sessionsByChargerID: [chargedDeviceID: fetchSessions(forChargerID: chargedDeviceID)] |
|
| 1781 |
) |
|
| 1782 |
let learnedCompletionCurrents = derivedCompletionCurrents(from: sessions) |
|
| 1783 |
let wiredMinimumCurrent = derivedMinimumCurrent( |
|
| 1784 |
from: sessions, |
|
| 1785 |
chargingTransportMode: .wired |
|
| 1786 |
) |
|
| 1787 |
let wirelessMinimumCurrent = derivedMinimumCurrent( |
|
| 1788 |
from: sessions, |
|
| 1789 |
chargingTransportMode: .wireless |
|
| 1790 |
) |
|
| 1791 | ||
| 1792 |
let wiredCapacity = derivedCapacity( |
|
| 1793 |
from: sessions, |
|
| 1794 |
chargingTransportMode: .wired, |
|
| 1795 |
supportsChargingWhileOff: supportsChargingWhileOff |
|
| 1796 |
) |
|
| 1797 |
let wirelessCapacity = derivedCapacity( |
|
| 1798 |
from: sessions, |
|
| 1799 |
chargingTransportMode: .wireless, |
|
| 1800 |
supportsChargingWhileOff: supportsChargingWhileOff |
|
| 1801 |
) |
|
| 1802 |
let wirelessEfficiency = derivedWirelessEfficiency( |
|
| 1803 |
from: sessions, |
|
| 1804 |
chargingProfile: wirelessProfile |
|
| 1805 |
) |
|
| 1806 |
let configuredCompletionCurrents = decodedCompletionCurrents( |
|
| 1807 |
from: chargedDevice, |
|
| 1808 |
key: "configuredCompletionCurrentsRawValue" |
|
| 1809 |
) |
|
| 1810 |
let configuredWiredCompletionCurrent = optionalDoubleValue(chargedDevice, key: "wiredChargeCompletionCurrentAmps") |
|
| 1811 |
let configuredWirelessCompletionCurrent = optionalDoubleValue(chargedDevice, key: "wirelessChargeCompletionCurrentAmps") |
|
| 1812 |
let chargerObservedVoltages = deviceClass == .charger ? derivedObservedVoltageSelections(from: sessions) : [] |
|
| 1813 |
let chargerIdleCurrent = deviceClass == .charger ? derivedIdleCurrent(from: sessions) : nil |
|
| 1814 |
let chargerEfficiency = deviceClass == .charger ? derivedChargerEfficiency(from: sessions) : nil |
|
| 1815 |
let chargerMaximumPower = deviceClass == .charger ? derivedMaximumPower(from: sessions) : nil |
|
| 1816 | ||
| 1817 |
let preferredChargingTransportMode = fallbackChargingTransportMode(for: chargedDevice) |
|
| 1818 |
let preferredChargingStateMode = chargingStateAvailability.supportedModes.first ?? .on |
|
| 1819 |
let preferredMinimumCurrent: Double? |
|
| 1820 |
let preferredCapacity: Double? |
|
| 1821 |
switch preferredChargingTransportMode {
|
|
| 1822 |
case .wired: |
|
| 1823 |
preferredMinimumCurrent = configuredCompletionCurrents[ |
|
| 1824 |
ChargeSessionKind(chargingTransportMode: .wired, chargingStateMode: preferredChargingStateMode) |
|
| 1825 |
] ?? learnedCompletionCurrents[ |
|
| 1826 |
ChargeSessionKind(chargingTransportMode: .wired, chargingStateMode: preferredChargingStateMode) |
|
| 1827 |
] ?? configuredWiredCompletionCurrent ?? wiredMinimumCurrent ?? configuredWirelessCompletionCurrent ?? wirelessMinimumCurrent |
|
| 1828 |
preferredCapacity = wiredCapacity ?? wirelessCapacity |
|
| 1829 |
case .wireless: |
|
| 1830 |
preferredMinimumCurrent = configuredCompletionCurrents[ |
|
| 1831 |
ChargeSessionKind(chargingTransportMode: .wireless, chargingStateMode: preferredChargingStateMode) |
|
| 1832 |
] ?? learnedCompletionCurrents[ |
|
| 1833 |
ChargeSessionKind(chargingTransportMode: .wireless, chargingStateMode: preferredChargingStateMode) |
|
| 1834 |
] ?? configuredWirelessCompletionCurrent ?? wirelessMinimumCurrent ?? configuredWiredCompletionCurrent ?? wiredMinimumCurrent |
|
| 1835 |
preferredCapacity = wirelessCapacity ?? wiredCapacity |
|
| 1836 |
} |
|
| 1837 | ||
| 1838 |
setValue(wiredMinimumCurrent, on: chargedDevice, key: "wiredMinimumCurrentAmps") |
|
| 1839 |
setValue(wirelessMinimumCurrent, on: chargedDevice, key: "wirelessMinimumCurrentAmps") |
|
| 1840 |
setValue(encodedCompletionCurrents(learnedCompletionCurrents), on: chargedDevice, key: "learnedCompletionCurrentsRawValue") |
|
| 1841 |
setValue(wiredCapacity, on: chargedDevice, key: "wiredEstimatedBatteryCapacityWh") |
|
| 1842 |
setValue(wirelessCapacity, on: chargedDevice, key: "wirelessEstimatedBatteryCapacityWh") |
|
| 1843 |
setValue(wirelessEfficiency, on: chargedDevice, key: "wirelessChargerEfficiencyFactor") |
|
| 1844 |
setValue(encodedObservedVoltageSelections(chargerObservedVoltages), on: chargedDevice, key: "chargerObservedVoltageSelectionsRawValue") |
|
| 1845 |
setValue(chargerIdleCurrent, on: chargedDevice, key: "chargerIdleCurrentAmps") |
|
| 1846 |
setValue(chargerEfficiency, on: chargedDevice, key: "chargerEfficiencyFactor") |
|
| 1847 |
setValue(chargerMaximumPower, on: chargedDevice, key: "chargerMaximumPowerWatts") |
|
| 1848 |
setValue(preferredMinimumCurrent, on: chargedDevice, key: "minimumCurrentAmps") |
|
| 1849 |
setValue(preferredCapacity, on: chargedDevice, key: "estimatedBatteryCapacityWh") |
|
| 1850 |
setValue(Date(), on: chargedDevice, key: "updatedAt") |
|
| 1851 |
} |
|
| 1852 | ||
| 1853 |
private func buildCapacityHistory(from sessions: [ChargeSessionSummary]) -> [CapacityTrendPoint] {
|
|
| 1854 |
sessions |
|
| 1855 |
.filter { $0.status == .completed }
|
|
| 1856 |
.compactMap { session in
|
|
| 1857 |
guard let capacityEstimateWh = session.capacityEstimateWh else { return nil }
|
|
| 1858 |
let timestamp = session.endedAt ?? session.lastObservedAt |
|
| 1859 |
return CapacityTrendPoint( |
|
| 1860 |
sessionID: session.id, |
|
| 1861 |
timestamp: timestamp, |
|
| 1862 |
capacityWh: capacityEstimateWh, |
|
| 1863 |
chargingTransportMode: session.chargingTransportMode |
|
| 1864 |
) |
|
| 1865 |
} |
|
| 1866 |
.sorted { $0.timestamp < $1.timestamp }
|
|
| 1867 |
} |
|
| 1868 | ||
| 1869 |
private func buildTypicalCurve(from sessions: [ChargeSessionSummary]) -> [TypicalChargeCurvePoint] {
|
|
| 1870 |
var groupedEnergyByBin: [Int: [Double]] = [:] |
|
| 1871 |
var groupedChargeByBin: [Int: [Double]] = [:] |
|
| 1872 | ||
| 1873 |
for session in sessions where session.status == .completed {
|
|
| 1874 |
var points = session.checkpoints |
|
| 1875 | ||
| 1876 |
if let startBatteryPercent = session.startBatteryPercent {
|
|
| 1877 |
points.append( |
|
| 1878 |
ChargeCheckpointSummary( |
|
| 1879 |
id: UUID(), |
|
| 1880 |
sessionID: session.id, |
|
| 1881 |
chargedDeviceID: session.chargedDeviceID, |
|
| 1882 |
timestamp: session.startedAt, |
|
| 1883 |
batteryPercent: startBatteryPercent, |
|
| 1884 |
measuredEnergyWh: 0, |
|
| 1885 |
measuredChargeAh: 0, |
|
| 1886 |
currentAmps: 0, |
|
| 1887 |
voltageVolts: nil, |
|
| 1888 |
label: "Start" |
|
| 1889 |
) |
|
| 1890 |
) |
|
| 1891 |
} |
|
| 1892 | ||
| 1893 |
if let endBatteryPercent = session.endBatteryPercent {
|
|
| 1894 |
points.append( |
|
| 1895 |
ChargeCheckpointSummary( |
|
| 1896 |
id: UUID(), |
|
| 1897 |
sessionID: session.id, |
|
| 1898 |
chargedDeviceID: session.chargedDeviceID, |
|
| 1899 |
timestamp: session.endedAt ?? session.lastObservedAt, |
|
| 1900 |
batteryPercent: endBatteryPercent, |
|
| 1901 |
measuredEnergyWh: session.effectiveBatteryEnergyWh ?? session.measuredEnergyWh, |
|
| 1902 |
measuredChargeAh: session.measuredChargeAh, |
|
| 1903 |
currentAmps: 0, |
|
| 1904 |
voltageVolts: nil, |
|
| 1905 |
label: "End" |
|
| 1906 |
) |
|
| 1907 |
) |
|
| 1908 |
} |
|
| 1909 | ||
| 1910 |
for point in points {
|
|
| 1911 |
let percentBin = Int((point.batteryPercent / 10).rounded(.toNearestOrEven)) * 10 |
|
| 1912 |
groupedEnergyByBin[percentBin, default: []].append(point.measuredEnergyWh) |
|
| 1913 |
groupedChargeByBin[percentBin, default: []].append(point.measuredChargeAh) |
|
| 1914 |
} |
|
| 1915 |
} |
|
| 1916 | ||
| 1917 |
return groupedEnergyByBin.keys.sorted().compactMap { percentBin in
|
|
| 1918 |
guard |
|
| 1919 |
let energies = groupedEnergyByBin[percentBin], |
|
| 1920 |
let charges = groupedChargeByBin[percentBin], |
|
| 1921 |
!energies.isEmpty, |
|
| 1922 |
!charges.isEmpty |
|
| 1923 |
else {
|
|
| 1924 |
return nil |
|
| 1925 |
} |
|
| 1926 | ||
| 1927 |
return TypicalChargeCurvePoint( |
|
| 1928 |
percentBin: percentBin, |
|
| 1929 |
averageEnergyWh: energies.reduce(0, +) / Double(energies.count), |
|
| 1930 |
averageChargeAh: charges.reduce(0, +) / Double(charges.count), |
|
| 1931 |
sampleCount: min(energies.count, charges.count) |
|
| 1932 |
) |
|
| 1933 |
} |
|
| 1934 |
} |
|
| 1935 | ||
| 1936 |
private func makeSessionSummary( |
|
| 1937 |
from object: NSManagedObject, |
|
| 1938 |
checkpoints: [NSManagedObject], |
|
| 1939 |
samples: [NSManagedObject] |
|
| 1940 |
) -> ChargeSessionSummary? {
|
|
| 1941 |
let chargingTransportMode = chargingTransportMode(for: object) |
|
| 1942 | ||
| 1943 |
guard |
|
| 1944 |
let id = uuidValue(object, key: "id"), |
|
| 1945 |
let chargedDeviceID = uuidValue(object, key: "chargedDeviceID"), |
|
| 1946 |
let startedAt = dateValue(object, key: "startedAt"), |
|
| 1947 |
let lastObservedAt = dateValue(object, key: "lastObservedAt"), |
|
| 1948 |
let status = statusValue(object, key: "statusRawValue"), |
|
| 1949 |
let sourceMode = ChargeSessionSourceMode(rawValue: stringValue(object, key: "sourceModeRawValue") ?? "") |
|
| 1950 |
else {
|
|
| 1951 |
return nil |
|
| 1952 |
} |
|
| 1953 | ||
| 1954 |
let checkpointSummaries = checkpoints.compactMap(makeCheckpointSummary(from:)) |
|
| 1955 |
.sorted { $0.timestamp < $1.timestamp }
|
|
| 1956 |
let sampleSummaries = samples.compactMap(makeChargeSessionSampleSummary(from:)) |
|
| 1957 |
.sorted { lhs, rhs in
|
|
| 1958 |
if lhs.bucketIndex != rhs.bucketIndex {
|
|
| 1959 |
return lhs.bucketIndex < rhs.bucketIndex |
|
| 1960 |
} |
|
| 1961 |
return lhs.timestamp < rhs.timestamp |
|
| 1962 |
} |
|
| 1963 | ||
| 1964 |
return ChargeSessionSummary( |
|
| 1965 |
id: id, |
|
| 1966 |
chargedDeviceID: chargedDeviceID, |
|
| 1967 |
chargerID: uuidValue(object, key: "chargerID"), |
|
| 1968 |
meterMACAddress: stringValue(object, key: "meterMACAddress"), |
|
| 1969 |
meterName: stringValue(object, key: "meterName"), |
|
| 1970 |
meterModel: stringValue(object, key: "meterModel"), |
|
| 1971 |
startedAt: startedAt, |
|
| 1972 |
endedAt: dateValue(object, key: "endedAt"), |
|
| 1973 |
lastObservedAt: lastObservedAt, |
|
| 1974 |
pausedAt: dateValue(object, key: "pausedAt"), |
|
| 1975 |
status: status, |
|
| 1976 |
sourceMode: sourceMode, |
|
| 1977 |
chargingTransportMode: chargingTransportMode, |
|
| 1978 |
chargingStateMode: chargingStateMode(for: object), |
|
| 1979 |
autoStopEnabled: boolValue(object, key: "autoStopEnabled"), |
|
| 1980 |
measuredEnergyWh: doubleValue(object, key: "measuredEnergyWh"), |
|
| 1981 |
effectiveBatteryEnergyWh: optionalDoubleValue(object, key: "effectiveBatteryEnergyWh"), |
|
| 1982 |
measuredChargeAh: doubleValue(object, key: "measuredChargeAh"), |
|
| 1983 |
meterEnergyBaselineWh: optionalDoubleValue(object, key: "meterEnergyBaselineWh"), |
|
| 1984 |
meterChargeBaselineAh: optionalDoubleValue(object, key: "meterChargeBaselineAh"), |
|
| 1985 |
meterDurationBaselineSeconds: optionalDoubleValue(object, key: "meterDurationBaselineSeconds"), |
|
| 1986 |
meterLastDurationSeconds: optionalDoubleValue(object, key: "meterLastDurationSeconds"), |
|
| 1987 |
minimumObservedCurrentAmps: optionalDoubleValue(object, key: "minimumObservedCurrentAmps"), |
|
| 1988 |
maximumObservedCurrentAmps: optionalDoubleValue(object, key: "maximumObservedCurrentAmps"), |
|
| 1989 |
maximumObservedPowerWatts: optionalDoubleValue(object, key: "maximumObservedPowerWatts"), |
|
| 1990 |
maximumObservedVoltageVolts: chargingTransportMode == .wired |
|
| 1991 |
? optionalDoubleValue(object, key: "maximumObservedVoltageVolts") |
|
| 1992 |
: nil, |
|
| 1993 |
selectedSourceVoltageVolts: optionalDoubleValue(object, key: "selectedSourceVoltageVolts"), |
|
| 1994 |
completionCurrentAmps: optionalDoubleValue(object, key: "completionCurrentAmps"), |
|
| 1995 |
stopThresholdAmps: doubleValue(object, key: "stopThresholdAmps"), |
|
| 1996 |
startBatteryPercent: optionalDoubleValue(object, key: "startBatteryPercent"), |
|
| 1997 |
endBatteryPercent: optionalDoubleValue(object, key: "endBatteryPercent"), |
|
| 1998 |
capacityEstimateWh: optionalDoubleValue(object, key: "capacityEstimateWh"), |
|
| 1999 |
wirelessEfficiencyFactor: optionalDoubleValue(object, key: "wirelessEfficiencyFactor"), |
|
| 2000 |
usesEstimatedWirelessEfficiency: boolValue(object, key: "usesEstimatedWirelessEfficiency"), |
|
| 2001 |
shouldWarnAboutLowWirelessEfficiency: boolValue(object, key: "shouldWarnAboutLowWirelessEfficiency"), |
|
| 2002 |
supportsChargingWhileOff: boolValue(object, key: "supportsChargingWhileOff"), |
|
| 2003 |
usedOfflineMeterCounters: boolValue(object, key: "usedOfflineMeterCounters"), |
|
| 2004 |
targetBatteryPercent: optionalDoubleValue(object, key: "targetBatteryPercent"), |
|
| 2005 |
targetBatteryAlertTriggeredAt: dateValue(object, key: "targetBatteryAlertTriggeredAt"), |
|
| 2006 |
requiresCompletionConfirmation: boolValue(object, key: "requiresCompletionConfirmation"), |
|
| 2007 |
completionConfirmationRequestedAt: dateValue(object, key: "completionConfirmationRequestedAt"), |
|
| 2008 |
completionContradictionPercent: optionalDoubleValue(object, key: "completionContradictionPercent"), |
|
| 2009 |
selectedDataGroup: optionalInt16Value(object, key: "selectedDataGroup").map(UInt8.init), |
|
| 2010 |
checkpoints: checkpointSummaries, |
|
| 2011 |
aggregatedSamples: sampleSummaries |
|
| 2012 |
) |
|
| 2013 |
} |
|
| 2014 | ||
| 2015 |
private func makeCheckpointSummary(from object: NSManagedObject) -> ChargeCheckpointSummary? {
|
|
| 2016 |
guard |
|
| 2017 |
let id = uuidValue(object, key: "id"), |
|
| 2018 |
let sessionID = uuidValue(object, key: "sessionID"), |
|
| 2019 |
let chargedDeviceID = uuidValue(object, key: "chargedDeviceID"), |
|
| 2020 |
let timestamp = dateValue(object, key: "timestamp") |
|
| 2021 |
else {
|
|
| 2022 |
return nil |
|
| 2023 |
} |
|
| 2024 | ||
| 2025 |
return ChargeCheckpointSummary( |
|
| 2026 |
id: id, |
|
| 2027 |
sessionID: sessionID, |
|
| 2028 |
chargedDeviceID: chargedDeviceID, |
|
| 2029 |
timestamp: timestamp, |
|
| 2030 |
batteryPercent: doubleValue(object, key: "batteryPercent"), |
|
| 2031 |
measuredEnergyWh: doubleValue(object, key: "measuredEnergyWh"), |
|
| 2032 |
measuredChargeAh: doubleValue(object, key: "measuredChargeAh"), |
|
| 2033 |
currentAmps: doubleValue(object, key: "currentAmps"), |
|
| 2034 |
voltageVolts: optionalDoubleValue(object, key: "voltageVolts"), |
|
| 2035 |
label: stringValue(object, key: "label") |
|
| 2036 |
) |
|
| 2037 |
} |
|
| 2038 | ||
| 2039 |
private func makeChargeSessionSampleSummary(from object: NSManagedObject) -> ChargeSessionSampleSummary? {
|
|
| 2040 |
guard |
|
| 2041 |
let sessionID = uuidValue(object, key: "sessionID"), |
|
| 2042 |
let chargedDeviceID = uuidValue(object, key: "chargedDeviceID"), |
|
| 2043 |
let timestamp = dateValue(object, key: "timestamp") |
|
| 2044 |
else {
|
|
| 2045 |
return nil |
|
| 2046 |
} |
|
| 2047 | ||
| 2048 |
return ChargeSessionSampleSummary( |
|
| 2049 |
sessionID: sessionID, |
|
| 2050 |
chargedDeviceID: chargedDeviceID, |
|
| 2051 |
bucketIndex: Int(optionalInt32Value(object, key: "bucketIndex") ?? 0), |
|
| 2052 |
timestamp: timestamp, |
|
| 2053 |
averageCurrentAmps: doubleValue(object, key: "averageCurrentAmps"), |
|
| 2054 |
averageVoltageVolts: optionalDoubleValue(object, key: "averageVoltageVolts"), |
|
| 2055 |
averagePowerWatts: doubleValue(object, key: "averagePowerWatts"), |
|
| 2056 |
measuredEnergyWh: doubleValue(object, key: "measuredEnergyWh"), |
|
| 2057 |
measuredChargeAh: doubleValue(object, key: "measuredChargeAh"), |
|
| 2058 |
sampleCount: Int(optionalInt16Value(object, key: "sampleCount") ?? 0) |
|
| 2059 |
) |
|
| 2060 |
} |
|
| 2061 | ||
| 2062 |
private func fetchOpenSessionObject(forMeterMACAddress meterMACAddress: String) -> NSManagedObject? {
|
|
| 2063 |
fetchSessionObject( |
|
| 2064 |
predicate: NSPredicate( |
|
| 2065 |
format: "meterMACAddress == %@ AND (statusRawValue == %@ OR statusRawValue == %@)", |
|
| 2066 |
normalizedMACAddress(meterMACAddress), |
|
| 2067 |
ChargeSessionStatus.active.rawValue, |
|
| 2068 |
ChargeSessionStatus.paused.rawValue |
|
| 2069 |
) |
|
| 2070 |
) |
|
| 2071 |
} |
|
| 2072 | ||
| 2073 |
private func fetchActiveSessionObject(forMeterMACAddress meterMACAddress: String) -> NSManagedObject? {
|
|
| 2074 |
fetchSessionObject( |
|
| 2075 |
predicate: NSPredicate( |
|
| 2076 |
format: "meterMACAddress == %@ AND statusRawValue == %@", |
|
| 2077 |
normalizedMACAddress(meterMACAddress), |
|
| 2078 |
ChargeSessionStatus.active.rawValue |
|
| 2079 |
) |
|
| 2080 |
) |
|
| 2081 |
} |
|
| 2082 | ||
| 2083 |
private func fetchSessionObject(predicate: NSPredicate) -> NSManagedObject? {
|
|
| 2084 |
let request = NSFetchRequest<NSManagedObject>(entityName: EntityName.chargeSession) |
|
| 2085 |
request.predicate = predicate |
|
| 2086 |
request.fetchLimit = 1 |
|
| 2087 |
request.sortDescriptors = [NSSortDescriptor(key: "startedAt", ascending: false)] |
|
| 2088 |
return (try? context.fetch(request))?.first |
|
| 2089 |
} |
|
| 2090 | ||
| 2091 |
private func fetchSessionObject(id: String) -> NSManagedObject? {
|
|
| 2092 |
fetchSessionObject( |
|
| 2093 |
predicate: NSPredicate(format: "id == %@", id) |
|
| 2094 |
) |
|
| 2095 |
} |
|
| 2096 | ||
| 2097 |
private func fetchSessionSampleObject(sessionID: String, bucketIndex: Int32) -> NSManagedObject? {
|
|
| 2098 |
let request = NSFetchRequest<NSManagedObject>(entityName: EntityName.chargeSessionSample) |
|
| 2099 |
request.predicate = NSPredicate( |
|
| 2100 |
format: "sessionID == %@ AND bucketIndex == %d", |
|
| 2101 |
sessionID, |
|
| 2102 |
bucketIndex |
|
| 2103 |
) |
|
| 2104 |
request.fetchLimit = 1 |
|
| 2105 |
return (try? context.fetch(request))?.first |
|
| 2106 |
} |
|
| 2107 | ||
| 2108 |
private func fetchSessionSampleObjects(forSessionID sessionID: String) -> [NSManagedObject] {
|
|
| 2109 |
let request = NSFetchRequest<NSManagedObject>(entityName: EntityName.chargeSessionSample) |
|
| 2110 |
request.predicate = NSPredicate(format: "sessionID == %@", sessionID) |
|
| 2111 |
return (try? context.fetch(request)) ?? [] |
|
| 2112 |
} |
|
| 2113 | ||
| 2114 |
private func fetchCheckpointObject(id: String, sessionID: String) -> NSManagedObject? {
|
|
| 2115 |
let request = NSFetchRequest<NSManagedObject>(entityName: EntityName.chargeCheckpoint) |
|
| 2116 |
request.predicate = NSPredicate(format: "id == %@ AND sessionID == %@", id, sessionID) |
|
| 2117 |
request.fetchLimit = 1 |
|
| 2118 |
return (try? context.fetch(request))?.first |
|
| 2119 |
} |
|
| 2120 | ||
| 2121 |
private func fetchCheckpointObjects(forSessionID sessionID: String) -> [NSManagedObject] {
|
|
| 2122 |
let request = NSFetchRequest<NSManagedObject>(entityName: EntityName.chargeCheckpoint) |
|
| 2123 |
request.predicate = NSPredicate(format: "sessionID == %@", sessionID) |
|
| 2124 |
request.sortDescriptors = [NSSortDescriptor(key: "timestamp", ascending: true)] |
|
| 2125 |
return (try? context.fetch(request)) ?? [] |
|
| 2126 |
} |
|
| 2127 | ||
| 2128 |
private func fetchSessions(forChargedDeviceID chargedDeviceID: String) -> [NSManagedObject] {
|
|
| 2129 |
let request = NSFetchRequest<NSManagedObject>(entityName: EntityName.chargeSession) |
|
| 2130 |
request.predicate = NSPredicate(format: "chargedDeviceID == %@", chargedDeviceID) |
|
| 2131 |
request.sortDescriptors = [NSSortDescriptor(key: "startedAt", ascending: true)] |
|
| 2132 |
return (try? context.fetch(request)) ?? [] |
|
| 2133 |
} |
|
| 2134 | ||
| 2135 |
private func fetchSessions(forChargerID chargerID: String) -> [NSManagedObject] {
|
|
| 2136 |
let request = NSFetchRequest<NSManagedObject>(entityName: EntityName.chargeSession) |
|
| 2137 |
request.predicate = NSPredicate(format: "chargerID == %@", chargerID) |
|
| 2138 |
request.sortDescriptors = [NSSortDescriptor(key: "startedAt", ascending: true)] |
|
| 2139 |
return (try? context.fetch(request)) ?? [] |
|
| 2140 |
} |
|
| 2141 | ||
| 2142 |
private func relevantSessionObjects( |
|
| 2143 |
for chargedDeviceID: String, |
|
| 2144 |
deviceClass: ChargedDeviceClass, |
|
| 2145 |
sessionsByDeviceID: [String: [NSManagedObject]], |
|
| 2146 |
sessionsByChargerID: [String: [NSManagedObject]] |
|
| 2147 |
) -> [NSManagedObject] {
|
|
| 2148 |
let directSessions = sessionsByDeviceID[chargedDeviceID] ?? [] |
|
| 2149 |
guard deviceClass == .charger else {
|
|
| 2150 |
return directSessions |
|
| 2151 |
} |
|
| 2152 | ||
| 2153 |
var seenSessionIDs = Set<String>() |
|
| 2154 |
return (directSessions + (sessionsByChargerID[chargedDeviceID] ?? [])) |
|
| 2155 |
.filter { session in
|
|
| 2156 |
let sessionID = stringValue(session, key: "id") ?? UUID().uuidString |
|
| 2157 |
return seenSessionIDs.insert(sessionID).inserted |
|
| 2158 |
} |
|
| 2159 |
.sorted {
|
|
| 2160 |
let lhsDate = dateValue($0, key: "startedAt") ?? .distantPast |
|
| 2161 |
let rhsDate = dateValue($1, key: "startedAt") ?? .distantPast |
|
| 2162 |
return lhsDate < rhsDate |
|
| 2163 |
} |
|
| 2164 |
} |
|
| 2165 | ||
| 2166 |
private func resolvedDeviceObject(for meterMACAddress: String) -> NSManagedObject? {
|
|
| 2167 |
resolvedAssignedObject(for: meterMACAddress, expectsChargerClass: false) |
|
| 2168 |
} |
|
| 2169 | ||
| 2170 |
private func resolvedChargerObject(for meterMACAddress: String) -> NSManagedObject? {
|
|
| 2171 |
resolvedAssignedObject(for: meterMACAddress, expectsChargerClass: true) |
|
| 2172 |
} |
|
| 2173 | ||
| 2174 |
private func resolvedAssignedObject( |
|
| 2175 |
for meterMACAddress: String, |
|
| 2176 |
expectsChargerClass: Bool |
|
| 2177 |
) -> NSManagedObject? {
|
|
| 2178 |
let normalizedMAC = normalizedMACAddress(meterMACAddress) |
|
| 2179 |
guard !normalizedMAC.isEmpty else { return nil }
|
|
| 2180 | ||
| 2181 |
let request = NSFetchRequest<NSManagedObject>(entityName: EntityName.chargedDevice) |
|
| 2182 |
request.predicate = NSPredicate(format: "lastAssociatedMeterMAC == %@", normalizedMAC) |
|
| 2183 |
request.sortDescriptors = [NSSortDescriptor(key: "updatedAt", ascending: false)] |
|
| 2184 |
let matches = (try? context.fetch(request)) ?? [] |
|
| 2185 |
return matches.first { object in
|
|
| 2186 |
isChargerObject(object) == expectsChargerClass |
|
| 2187 |
} |
|
| 2188 |
} |
|
| 2189 | ||
| 2190 |
private func isChargerObject(_ object: NSManagedObject) -> Bool {
|
|
| 2191 |
ChargedDeviceClass(rawValue: stringValue(object, key: "deviceClassRawValue") ?? "") == .charger |
|
| 2192 |
} |
|
| 2193 | ||
| 2194 |
private func fetchChargedDeviceObject(id: String) -> NSManagedObject? {
|
|
| 2195 |
let request = NSFetchRequest<NSManagedObject>(entityName: EntityName.chargedDevice) |
|
| 2196 |
request.predicate = NSPredicate(format: "id == %@", id) |
|
| 2197 |
request.fetchLimit = 1 |
|
| 2198 |
return (try? context.fetch(request))?.first |
|
| 2199 |
} |
|
| 2200 | ||
| 2201 |
private func fetchObjects(entityName: String) -> [NSManagedObject] {
|
|
| 2202 |
let request = NSFetchRequest<NSManagedObject>(entityName: entityName) |
|
| 2203 |
return (try? context.fetch(request)) ?? [] |
|
| 2204 |
} |
|
| 2205 | ||
| 2206 |
private func resolvedStopThreshold( |
|
| 2207 |
for chargedDevice: NSManagedObject, |
|
| 2208 |
chargingTransportMode: ChargingTransportMode, |
|
| 2209 |
chargingStateMode: ChargingStateMode, |
|
| 2210 |
charger: NSManagedObject?, |
|
| 2211 |
fallback: Double? |
|
| 2212 |
) -> Double? {
|
|
| 2213 |
if chargingTransportMode == .wireless, chargerIdleCurrent(for: charger) == nil {
|
|
| 2214 |
return nil |
|
| 2215 |
} |
|
| 2216 | ||
| 2217 |
let sessionKind = ChargeSessionKind( |
|
| 2218 |
chargingTransportMode: chargingTransportMode, |
|
| 2219 |
chargingStateMode: chargingStateMode |
|
| 2220 |
) |
|
| 2221 |
let configuredCurrents = decodedCompletionCurrents( |
|
| 2222 |
from: chargedDevice, |
|
| 2223 |
key: "configuredCompletionCurrentsRawValue" |
|
| 2224 |
) |
|
| 2225 |
let learnedCurrents = decodedCompletionCurrents( |
|
| 2226 |
from: chargedDevice, |
|
| 2227 |
key: "learnedCompletionCurrentsRawValue" |
|
| 2228 |
) |
|
| 2229 |
let legacyCurrent: Double? |
|
| 2230 |
switch chargingTransportMode {
|
|
| 2231 |
case .wired: |
|
| 2232 |
legacyCurrent = optionalDoubleValue(chargedDevice, key: "wiredChargeCompletionCurrentAmps") |
|
| 2233 |
?? optionalDoubleValue(chargedDevice, key: "wiredMinimumCurrentAmps") |
|
| 2234 |
?? optionalDoubleValue(chargedDevice, key: "minimumCurrentAmps") |
|
| 2235 |
case .wireless: |
|
| 2236 |
legacyCurrent = optionalDoubleValue(chargedDevice, key: "wirelessChargeCompletionCurrentAmps") |
|
| 2237 |
?? optionalDoubleValue(chargedDevice, key: "wirelessMinimumCurrentAmps") |
|
| 2238 |
?? optionalDoubleValue(chargedDevice, key: "minimumCurrentAmps") |
|
| 2239 |
} |
|
| 2240 | ||
| 2241 |
let resolvedCurrent = configuredCurrents[sessionKind] |
|
| 2242 |
?? learnedCurrents[sessionKind] |
|
| 2243 |
?? legacyCurrent |
|
| 2244 |
?? fallback |
|
| 2245 |
guard let resolvedCurrent, resolvedCurrent > 0 else {
|
|
| 2246 |
return nil |
|
| 2247 |
} |
|
| 2248 |
return max(resolvedCurrent, 0.01) |
|
| 2249 |
} |
|
| 2250 | ||
| 2251 |
private func fallbackChargingTransportMode(for chargedDevice: NSManagedObject) -> ChargingTransportMode {
|
|
| 2252 |
let supportsWiredCharging = supportsWiredCharging(for: chargedDevice) |
|
| 2253 |
let supportsWirelessCharging = supportsWirelessCharging(for: chargedDevice) |
|
| 2254 |
return resolvedPreferredChargingTransportMode( |
|
| 2255 |
.wired, |
|
| 2256 |
supportsWiredCharging: supportsWiredCharging, |
|
| 2257 |
supportsWirelessCharging: supportsWirelessCharging |
|
| 2258 |
) |
|
| 2259 |
} |
|
| 2260 | ||
| 2261 |
private func supportsWiredCharging(for chargedDevice: NSManagedObject) -> Bool {
|
|
| 2262 |
if chargedDevice.value(forKey: "supportsWiredCharging") == nil {
|
|
| 2263 |
return true |
|
| 2264 |
} |
|
| 2265 |
return boolValue(chargedDevice, key: "supportsWiredCharging") |
|
| 2266 |
} |
|
| 2267 | ||
| 2268 |
private func supportsWirelessCharging(for chargedDevice: NSManagedObject) -> Bool {
|
|
| 2269 |
if chargedDevice.value(forKey: "supportsWirelessCharging") == nil {
|
|
| 2270 |
return false |
|
| 2271 |
} |
|
| 2272 |
return boolValue(chargedDevice, key: "supportsWirelessCharging") |
|
| 2273 |
} |
|
| 2274 | ||
| 2275 |
private func chargingStateAvailability(for chargedDevice: NSManagedObject) -> ChargingStateAvailability {
|
|
| 2276 |
if let rawValue = stringValue(chargedDevice, key: "chargingStateAvailabilityRawValue"), |
|
| 2277 |
let availability = ChargingStateAvailability(rawValue: rawValue) {
|
|
| 2278 |
return availability |
|
| 2279 |
} |
|
| 2280 |
return ChargingStateAvailability.fallback( |
|
| 2281 |
for: boolValue(chargedDevice, key: "supportsChargingWhileOff") |
|
| 2282 |
) |
|
| 2283 |
} |
|
| 2284 | ||
| 2285 |
private func chargingStateMode(for session: NSManagedObject) -> ChargingStateMode {
|
|
| 2286 |
if let rawValue = stringValue(session, key: "chargingStateRawValue"), |
|
| 2287 |
let chargingStateMode = ChargingStateMode(rawValue: rawValue) {
|
|
| 2288 |
return chargingStateMode |
|
| 2289 |
} |
|
| 2290 | ||
| 2291 |
if let chargedDeviceID = stringValue(session, key: "chargedDeviceID"), |
|
| 2292 |
let chargedDevice = fetchChargedDeviceObject(id: chargedDeviceID) {
|
|
| 2293 |
return chargingStateAvailability(for: chargedDevice).supportedModes.first ?? .on |
|
| 2294 |
} |
|
| 2295 | ||
| 2296 |
return .on |
|
| 2297 |
} |
|
| 2298 | ||
| 2299 |
private func resolvedChargingStateMode( |
|
| 2300 |
_ chargingStateMode: ChargingStateMode, |
|
| 2301 |
availability: ChargingStateAvailability |
|
| 2302 |
) -> ChargingStateMode {
|
|
| 2303 |
if availability.supportedModes.contains(chargingStateMode) {
|
|
| 2304 |
return chargingStateMode |
|
| 2305 |
} |
|
| 2306 |
return availability.supportedModes.first ?? .on |
|
| 2307 |
} |
|
| 2308 | ||
| 2309 |
private func wirelessChargingProfile(for chargedDevice: NSManagedObject) -> WirelessChargingProfile {
|
|
| 2310 |
guard let rawValue = stringValue(chargedDevice, key: "wirelessChargingProfileRawValue"), |
|
| 2311 |
let profile = WirelessChargingProfile(rawValue: rawValue) else {
|
|
| 2312 |
return .genericQi |
|
| 2313 |
} |
|
| 2314 |
return profile |
|
| 2315 |
} |
|
| 2316 | ||
| 2317 |
private func resolvedPreferredChargingTransportMode( |
|
| 2318 |
_ preferredChargingTransportMode: ChargingTransportMode, |
|
| 2319 |
supportsWiredCharging: Bool, |
|
| 2320 |
supportsWirelessCharging: Bool |
|
| 2321 |
) -> ChargingTransportMode {
|
|
| 2322 |
switch preferredChargingTransportMode {
|
|
| 2323 |
case .wired where supportsWiredCharging: |
|
| 2324 |
return .wired |
|
| 2325 |
case .wireless where supportsWirelessCharging: |
|
| 2326 |
return .wireless |
|
| 2327 |
default: |
|
| 2328 |
if supportsWiredCharging {
|
|
| 2329 |
return .wired |
|
| 2330 |
} |
|
| 2331 |
if supportsWirelessCharging {
|
|
| 2332 |
return .wireless |
|
| 2333 |
} |
|
| 2334 |
return .wired |
|
| 2335 |
} |
|
| 2336 |
} |
|
| 2337 | ||
| 2338 |
private func encodedCompletionCurrents(_ currents: [ChargeSessionKind: Double]) -> String? {
|
|
| 2339 |
let payload = Dictionary( |
|
| 2340 |
uniqueKeysWithValues: currents.map { key, value in
|
|
| 2341 |
(key.rawValue, value) |
|
| 2342 |
} |
|
| 2343 |
) |
|
| 2344 |
guard let data = try? JSONSerialization.data(withJSONObject: payload, options: [.sortedKeys]) else {
|
|
| 2345 |
return nil |
|
| 2346 |
} |
|
| 2347 |
return String(data: data, encoding: .utf8) |
|
| 2348 |
} |
|
| 2349 | ||
| 2350 |
private func decodedCompletionCurrents( |
|
| 2351 |
from object: NSManagedObject, |
|
| 2352 |
key: String |
|
| 2353 |
) -> [ChargeSessionKind: Double] {
|
|
| 2354 |
guard let rawValue = stringValue(object, key: key), |
|
| 2355 |
let data = rawValue.data(using: .utf8), |
|
| 2356 |
let payload = try? JSONSerialization.jsonObject(with: data) as? [String: Double] else {
|
|
| 2357 |
return [:] |
|
| 2358 |
} |
|
| 2359 | ||
| 2360 |
return payload.reduce(into: [ChargeSessionKind: Double]()) { result, entry in
|
|
| 2361 |
guard let sessionKind = ChargeSessionKind(rawValue: entry.key), entry.value > 0 else {
|
|
| 2362 |
return |
|
| 2363 |
} |
|
| 2364 |
result[sessionKind] = entry.value |
|
| 2365 |
} |
|
| 2366 |
} |
|
| 2367 | ||
| 2368 |
private func legacyConfiguredCompletionCurrent( |
|
| 2369 |
for currents: [ChargeSessionKind: Double], |
|
| 2370 |
chargingTransportMode: ChargingTransportMode |
|
| 2371 |
) -> Double? {
|
|
| 2372 |
let candidates = currents |
|
| 2373 |
.filter { $0.key.chargingTransportMode == chargingTransportMode }
|
|
| 2374 |
.sorted { lhs, rhs in
|
|
| 2375 |
lhs.key.rawValue < rhs.key.rawValue |
|
| 2376 |
} |
|
| 2377 |
.map(\.value) |
|
| 2378 |
return candidates.first |
|
| 2379 |
} |
|
| 2380 | ||
| 2381 |
private func chargerIdleCurrent(for charger: NSManagedObject?) -> Double? {
|
|
| 2382 |
guard let charger else {
|
|
| 2383 |
return nil |
|
| 2384 |
} |
|
| 2385 |
let idleCurrent = optionalDoubleValue(charger, key: "chargerIdleCurrentAmps") |
|
| 2386 |
guard let idleCurrent, idleCurrent >= 0 else {
|
|
| 2387 |
return nil |
|
| 2388 |
} |
|
| 2389 |
return idleCurrent |
|
| 2390 |
} |
|
| 2391 | ||
| 2392 |
private func effectiveCurrentAmps( |
|
| 2393 |
fromMeasuredCurrent currentAmps: Double, |
|
| 2394 |
chargingTransportMode: ChargingTransportMode, |
|
| 2395 |
charger: NSManagedObject? |
|
| 2396 |
) -> Double {
|
|
| 2397 |
switch chargingTransportMode {
|
|
| 2398 |
case .wired: |
|
| 2399 |
return max(currentAmps, 0) |
|
| 2400 |
case .wireless: |
|
| 2401 |
guard let idleCurrent = chargerIdleCurrent(for: charger) else {
|
|
| 2402 |
return max(currentAmps, 0) |
|
| 2403 |
} |
|
| 2404 |
return max(currentAmps - idleCurrent, 0) |
|
| 2405 |
} |
|
| 2406 |
} |
|
| 2407 | ||
| 2408 |
private func hasObservedChargeFlow( |
|
| 2409 |
currentAmps: Double, |
|
| 2410 |
chargingTransportMode: ChargingTransportMode, |
|
| 2411 |
charger: NSManagedObject?, |
|
| 2412 |
stopThreshold: Double? |
|
| 2413 |
) -> Bool {
|
|
| 2414 |
let effectiveCurrent = effectiveCurrentAmps( |
|
| 2415 |
fromMeasuredCurrent: currentAmps, |
|
| 2416 |
chargingTransportMode: chargingTransportMode, |
|
| 2417 |
charger: charger |
|
| 2418 |
) |
|
| 2419 |
return effectiveCurrent > max(stopThreshold ?? 0, 0.05) |
|
| 2420 |
} |
|
| 2421 | ||
| 2422 |
private func derivedMinimumCurrent( |
|
| 2423 |
from sessions: [NSManagedObject], |
|
| 2424 |
chargingTransportMode: ChargingTransportMode |
|
| 2425 |
) -> Double? {
|
|
| 2426 |
let completionCurrents = sessions.compactMap { session -> Double? in
|
|
| 2427 |
guard statusValue(session, key: "statusRawValue") == .completed else { return nil }
|
|
| 2428 |
guard self.chargingTransportMode(for: session) == chargingTransportMode else {
|
|
| 2429 |
return nil |
|
| 2430 |
} |
|
| 2431 |
guard (optionalDoubleValue(session, key: "endBatteryPercent") ?? 0) >= 99.5 else {
|
|
| 2432 |
return nil |
|
| 2433 |
} |
|
| 2434 |
guard let completionCurrent = optionalDoubleValue(session, key: "completionCurrentAmps"), completionCurrent > 0 else {
|
|
| 2435 |
return nil |
|
| 2436 |
} |
|
| 2437 |
return completionCurrent |
|
| 2438 |
} |
|
| 2439 | ||
| 2440 |
let recentCompletionCurrents = Array(completionCurrents.suffix(5)) |
|
| 2441 |
guard !recentCompletionCurrents.isEmpty else { return nil }
|
|
| 2442 |
return recentCompletionCurrents.reduce(0, +) / Double(recentCompletionCurrents.count) |
|
| 2443 |
} |
|
| 2444 | ||
| 2445 |
private func derivedCompletionCurrents(from sessions: [NSManagedObject]) -> [ChargeSessionKind: Double] {
|
|
| 2446 |
var groupedCurrents: [ChargeSessionKind: [Double]] = [:] |
|
| 2447 | ||
| 2448 |
for session in sessions {
|
|
| 2449 |
guard statusValue(session, key: "statusRawValue") == .completed else {
|
|
| 2450 |
continue |
|
| 2451 |
} |
|
| 2452 |
guard (optionalDoubleValue(session, key: "endBatteryPercent") ?? 0) >= 99.5 else {
|
|
| 2453 |
continue |
|
| 2454 |
} |
|
| 2455 |
guard let completionCurrent = optionalDoubleValue(session, key: "completionCurrentAmps"), |
|
| 2456 |
completionCurrent > 0 else {
|
|
| 2457 |
continue |
|
| 2458 |
} |
|
| 2459 | ||
| 2460 |
let sessionKind = ChargeSessionKind( |
|
| 2461 |
chargingTransportMode: chargingTransportMode(for: session), |
|
| 2462 |
chargingStateMode: chargingStateMode(for: session) |
|
| 2463 |
) |
|
| 2464 |
groupedCurrents[sessionKind, default: []].append(completionCurrent) |
|
| 2465 |
} |
|
| 2466 | ||
| 2467 |
return groupedCurrents.reduce(into: [ChargeSessionKind: Double]()) { result, entry in
|
|
| 2468 |
let recentCurrents = Array(entry.value.suffix(5)) |
|
| 2469 |
guard !recentCurrents.isEmpty else {
|
|
| 2470 |
return |
|
| 2471 |
} |
|
| 2472 |
result[entry.key] = recentCurrents.reduce(0, +) / Double(recentCurrents.count) |
|
| 2473 |
} |
|
| 2474 |
} |
|
| 2475 | ||
| 2476 |
private func derivedCapacity( |
|
| 2477 |
from sessions: [NSManagedObject], |
|
| 2478 |
chargingTransportMode: ChargingTransportMode, |
|
| 2479 |
supportsChargingWhileOff: Bool |
|
| 2480 |
) -> Double? {
|
|
| 2481 |
let capacityCandidates = sessions.compactMap { session -> Double? in
|
|
| 2482 |
guard statusValue(session, key: "statusRawValue") == .completed else { return nil }
|
|
| 2483 |
guard self.chargingTransportMode(for: session) == chargingTransportMode else {
|
|
| 2484 |
return nil |
|
| 2485 |
} |
|
| 2486 |
guard let capacityEstimate = optionalDoubleValue(session, key: "capacityEstimateWh"), capacityEstimate > 0 else {
|
|
| 2487 |
return nil |
|
| 2488 |
} |
|
| 2489 |
if supportsChargingWhileOff {
|
|
| 2490 |
return capacityEstimate |
|
| 2491 |
} |
|
| 2492 |
guard let endBatteryPercent = optionalDoubleValue(session, key: "endBatteryPercent"), endBatteryPercent < 99.5 else {
|
|
| 2493 |
return nil |
|
| 2494 |
} |
|
| 2495 |
return capacityEstimate |
|
| 2496 |
} |
|
| 2497 | ||
| 2498 |
let recentCapacityCandidates = Array(capacityCandidates.suffix(6)) |
|
| 2499 |
guard !recentCapacityCandidates.isEmpty else { return nil }
|
|
| 2500 |
return recentCapacityCandidates.reduce(0, +) / Double(recentCapacityCandidates.count) |
|
| 2501 |
} |
|
| 2502 | ||
| 2503 |
private func derivedWirelessEfficiency( |
|
| 2504 |
from sessions: [NSManagedObject], |
|
| 2505 |
chargingProfile: WirelessChargingProfile |
|
| 2506 |
) -> Double? {
|
|
| 2507 |
guard chargingProfile == .magsafe else {
|
|
| 2508 |
return nil |
|
| 2509 |
} |
|
| 2510 | ||
| 2511 |
let candidates = sessions.compactMap { session -> Double? in
|
|
| 2512 |
guard statusValue(session, key: "statusRawValue") == .completed else { return nil }
|
|
| 2513 |
guard chargingTransportMode(for: session) == .wireless else { return nil }
|
|
| 2514 |
guard boolValue(session, key: "usesEstimatedWirelessEfficiency") == false else { return nil }
|
|
| 2515 |
guard let factor = optionalDoubleValue(session, key: "wirelessEfficiencyFactor"), factor > 0 else {
|
|
| 2516 |
return nil |
|
| 2517 |
} |
|
| 2518 |
return factor |
|
| 2519 |
} |
|
| 2520 | ||
| 2521 |
let recentCandidates = Array(candidates.suffix(6)) |
|
| 2522 |
guard !recentCandidates.isEmpty else { return nil }
|
|
| 2523 |
return recentCandidates.reduce(0, +) / Double(recentCandidates.count) |
|
| 2524 |
} |
|
| 2525 | ||
| 2526 |
private func derivedObservedVoltageSelections(from sessions: [NSManagedObject]) -> [Double] {
|
|
| 2527 |
let candidates = sessions.compactMap { session -> Double? in
|
|
| 2528 |
guard statusValue(session, key: "statusRawValue") == .completed else { return nil }
|
|
| 2529 |
guard let sourceVoltage = optionalDoubleValue(session, key: "selectedSourceVoltageVolts"), sourceVoltage > 0 else {
|
|
| 2530 |
return nil |
|
| 2531 |
} |
|
| 2532 |
return (sourceVoltage * 10).rounded() / 10 |
|
| 2533 |
} |
|
| 2534 | ||
| 2535 |
let counts = Dictionary(grouping: candidates, by: { $0 }).mapValues(\.count)
|
|
| 2536 |
return counts.keys.sorted() |
|
| 2537 |
} |
|
| 2538 | ||
| 2539 |
private func derivedIdleCurrent(from sessions: [NSManagedObject]) -> Double? {
|
|
| 2540 |
let candidates = sessions.compactMap { session -> Double? in
|
|
| 2541 |
guard statusValue(session, key: "statusRawValue") == .completed else { return nil }
|
|
| 2542 |
guard let minimumObservedCurrent = optionalDoubleValue(session, key: "minimumObservedCurrentAmps"), minimumObservedCurrent > 0 else {
|
|
| 2543 |
return nil |
|
| 2544 |
} |
|
| 2545 |
return minimumObservedCurrent |
|
| 2546 |
} |
|
| 2547 | ||
| 2548 |
let recentCandidates = Array(candidates.suffix(6)) |
|
| 2549 |
guard !recentCandidates.isEmpty else { return nil }
|
|
| 2550 |
return recentCandidates.reduce(0, +) / Double(recentCandidates.count) |
|
| 2551 |
} |
|
| 2552 | ||
| 2553 |
private func derivedChargerEfficiency(from sessions: [NSManagedObject]) -> Double? {
|
|
| 2554 |
let candidates = sessions.compactMap { session -> Double? in
|
|
| 2555 |
guard statusValue(session, key: "statusRawValue") == .completed else { return nil }
|
|
| 2556 |
guard let factor = optionalDoubleValue(session, key: "wirelessEfficiencyFactor"), factor > 0 else {
|
|
| 2557 |
return nil |
|
| 2558 |
} |
|
| 2559 |
return factor |
|
| 2560 |
} |
|
| 2561 | ||
| 2562 |
let recentCandidates = Array(candidates.suffix(6)) |
|
| 2563 |
guard !recentCandidates.isEmpty else { return nil }
|
|
| 2564 |
return recentCandidates.reduce(0, +) / Double(recentCandidates.count) |
|
| 2565 |
} |
|
| 2566 | ||
| 2567 |
private func derivedMaximumPower(from sessions: [NSManagedObject]) -> Double? {
|
|
| 2568 |
sessions.compactMap { session -> Double? in
|
|
| 2569 |
guard statusValue(session, key: "statusRawValue") == .completed else { return nil }
|
|
| 2570 |
guard let maximumObservedPower = optionalDoubleValue(session, key: "maximumObservedPowerWatts"), maximumObservedPower > 0 else {
|
|
| 2571 |
return nil |
|
| 2572 |
} |
|
| 2573 |
return maximumObservedPower |
|
| 2574 |
} |
|
| 2575 |
.max() |
|
| 2576 |
} |
|
| 2577 | ||
| 2578 |
private func chargingTransportMode(for session: NSManagedObject) -> ChargingTransportMode {
|
|
| 2579 |
if let persistedChargingTransportMode = chargingTransportModeValue(session, key: "chargingTransportRawValue") {
|
|
| 2580 |
return persistedChargingTransportMode |
|
| 2581 |
} |
|
| 2582 | ||
| 2583 |
if let chargedDeviceID = stringValue(session, key: "chargedDeviceID"), |
|
| 2584 |
let chargedDevice = fetchChargedDeviceObject(id: chargedDeviceID) {
|
|
| 2585 |
return fallbackChargingTransportMode(for: chargedDevice) |
|
| 2586 |
} |
|
| 2587 | ||
| 2588 |
return .wired |
|
| 2589 |
} |
|
| 2590 | ||
| 2591 |
private func saveReason(for session: NSManagedObject, observedAt: Date) -> ObservationSaveReason {
|
|
| 2592 |
if session.isInserted {
|
|
| 2593 |
return .created |
|
| 2594 |
} |
|
| 2595 | ||
| 2596 |
let committedValues = session.committedValues( |
|
| 2597 |
forKeys: [ |
|
| 2598 |
"statusRawValue", |
|
| 2599 |
"updatedAt", |
|
| 2600 |
"targetBatteryAlertTriggeredAt", |
|
| 2601 |
"requiresCompletionConfirmation" |
|
| 2602 |
] |
|
| 2603 |
) |
|
| 2604 |
let committedStatus = (committedValues["statusRawValue"] as? String).flatMap(ChargeSessionStatus.init(rawValue:)) |
|
| 2605 |
let currentStatus = statusValue(session, key: "statusRawValue") |
|
| 2606 |
let committedTargetAlertTriggeredAt = committedValues["targetBatteryAlertTriggeredAt"] as? Date |
|
| 2607 |
let currentTargetAlertTriggeredAt = dateValue(session, key: "targetBatteryAlertTriggeredAt") |
|
| 2608 |
let committedRequiresCompletionConfirmation = (committedValues["requiresCompletionConfirmation"] as? NSNumber)?.boolValue |
|
| 2609 |
?? (committedValues["requiresCompletionConfirmation"] as? Bool) |
|
| 2610 |
?? false |
|
| 2611 |
let currentRequiresCompletionConfirmation = boolValue(session, key: "requiresCompletionConfirmation") |
|
| 2612 | ||
| 2613 |
if currentStatus == .completed, committedStatus != .completed {
|
|
| 2614 |
return .completed |
|
| 2615 |
} |
|
| 2616 | ||
| 2617 |
if currentStatus != committedStatus {
|
|
| 2618 |
return .event |
|
| 2619 |
} |
|
| 2620 | ||
| 2621 |
if committedTargetAlertTriggeredAt != currentTargetAlertTriggeredAt |
|
| 2622 |
|| committedRequiresCompletionConfirmation != currentRequiresCompletionConfirmation {
|
|
| 2623 |
return .event |
|
| 2624 |
} |
|
| 2625 | ||
| 2626 |
let lastPersistedAt = (committedValues["updatedAt"] as? Date) |
|
| 2627 |
?? dateValue(session, key: "createdAt") |
|
| 2628 |
?? observedAt |
|
| 2629 | ||
| 2630 |
if observedAt.timeIntervalSince(lastPersistedAt) >= activeSessionSaveInterval {
|
|
| 2631 |
return .periodic |
|
| 2632 |
} |
|
| 2633 | ||
| 2634 |
return .none |
|
| 2635 |
} |
|
| 2636 | ||
| 2637 |
private func shouldPersistAggregatedSample( |
|
| 2638 |
_ sample: NSManagedObject, |
|
| 2639 |
observedAt: Date |
|
| 2640 |
) -> Bool {
|
|
| 2641 |
if sample.isInserted {
|
|
| 2642 |
return true |
|
| 2643 |
} |
|
| 2644 | ||
| 2645 |
let committedValues = sample.committedValues(forKeys: ["updatedAt"]) |
|
| 2646 |
let lastPersistedAt = (committedValues["updatedAt"] as? Date) |
|
| 2647 |
?? dateValue(sample, key: "createdAt") |
|
| 2648 |
?? observedAt |
|
| 2649 | ||
| 2650 |
return observedAt.timeIntervalSince(lastPersistedAt) >= aggregatedSampleSaveInterval |
|
| 2651 |
} |
|
| 2652 | ||
| 2653 |
private func generateQRIdentifier() -> String {
|
|
| 2654 |
"device:\(UUID().uuidString)" |
|
| 2655 |
} |
|
| 2656 | ||
| 2657 |
@discardableResult |
|
| 2658 |
private func saveContext() -> Bool {
|
|
| 2659 |
guard context.hasChanges else { return true }
|
|
| 2660 |
do {
|
|
| 2661 |
try context.save() |
|
| 2662 |
return true |
|
| 2663 |
} catch {
|
|
| 2664 |
track("Failed saving charge insights context: \(error)")
|
|
| 2665 |
context.rollback() |
|
| 2666 |
return false |
|
| 2667 |
} |
|
| 2668 |
} |
|
| 2669 | ||
| 2670 |
private func normalizedText(_ text: String) -> String {
|
|
| 2671 |
text.trimmingCharacters(in: .whitespacesAndNewlines) |
|
| 2672 |
} |
|
| 2673 | ||
| 2674 |
private func normalizedOptionalText(_ text: String?) -> String? {
|
|
| 2675 |
guard let text else { return nil }
|
|
| 2676 |
let normalized = normalizedText(text) |
|
| 2677 |
return normalized.isEmpty ? nil : normalized |
|
| 2678 |
} |
|
| 2679 | ||
| 2680 |
private func normalizedMACAddress(_ macAddress: String) -> String {
|
|
| 2681 |
normalizedText(macAddress).uppercased() |
|
| 2682 |
} |
|
| 2683 | ||
| 2684 |
private func rawValue(_ object: NSManagedObject, key: String) -> Any? {
|
|
| 2685 |
guard object.entity.propertiesByName[key] != nil else {
|
|
| 2686 |
return nil |
|
| 2687 |
} |
|
| 2688 |
return object.value(forKey: key) |
|
| 2689 |
} |
|
| 2690 | ||
| 2691 |
private func setValue(_ value: Any?, on object: NSManagedObject, key: String) {
|
|
| 2692 |
guard object.entity.propertiesByName[key] != nil else {
|
|
| 2693 |
return |
|
| 2694 |
} |
|
| 2695 |
object.setValue(value, forKey: key) |
|
| 2696 |
} |
|
| 2697 | ||
| 2698 |
private func stringValue(_ object: NSManagedObject, key: String) -> String? {
|
|
| 2699 |
guard let value = rawValue(object, key: key) as? String else { return nil }
|
|
| 2700 |
let normalized = normalizedOptionalText(value) |
|
| 2701 |
return normalized |
|
| 2702 |
} |
|
| 2703 | ||
| 2704 |
private func dateValue(_ object: NSManagedObject, key: String) -> Date? {
|
|
| 2705 |
rawValue(object, key: key) as? Date |
|
| 2706 |
} |
|
| 2707 | ||
| 2708 |
private func doubleValue(_ object: NSManagedObject, key: String) -> Double {
|
|
| 2709 |
if let value = rawValue(object, key: key) as? Double {
|
|
| 2710 |
return value |
|
| 2711 |
} |
|
| 2712 |
if let value = rawValue(object, key: key) as? NSNumber {
|
|
| 2713 |
return value.doubleValue |
|
| 2714 |
} |
|
| 2715 |
return 0 |
|
| 2716 |
} |
|
| 2717 | ||
| 2718 |
private func optionalDoubleValue(_ object: NSManagedObject, key: String) -> Double? {
|
|
| 2719 |
let value = rawValue(object, key: key) |
|
| 2720 |
if value == nil {
|
|
| 2721 |
return nil |
|
| 2722 |
} |
|
| 2723 |
return doubleValue(object, key: key) |
|
| 2724 |
} |
|
| 2725 | ||
| 2726 |
private func optionalInt16Value(_ object: NSManagedObject, key: String) -> Int16? {
|
|
| 2727 |
if let value = rawValue(object, key: key) as? Int16 {
|
|
| 2728 |
return value |
|
| 2729 |
} |
|
| 2730 |
if let value = rawValue(object, key: key) as? NSNumber {
|
|
| 2731 |
return value.int16Value |
|
| 2732 |
} |
|
| 2733 |
return nil |
|
| 2734 |
} |
|
| 2735 | ||
| 2736 |
private func optionalInt32Value(_ object: NSManagedObject, key: String) -> Int32? {
|
|
| 2737 |
if let value = rawValue(object, key: key) as? Int32 {
|
|
| 2738 |
return value |
|
| 2739 |
} |
|
| 2740 |
if let value = rawValue(object, key: key) as? NSNumber {
|
|
| 2741 |
return value.int32Value |
|
| 2742 |
} |
|
| 2743 |
return nil |
|
| 2744 |
} |
|
| 2745 | ||
| 2746 |
private func boolValue(_ object: NSManagedObject, key: String) -> Bool {
|
|
| 2747 |
if let value = rawValue(object, key: key) as? Bool {
|
|
| 2748 |
return value |
|
| 2749 |
} |
|
| 2750 |
if let value = rawValue(object, key: key) as? NSNumber {
|
|
| 2751 |
return value.boolValue |
|
| 2752 |
} |
|
| 2753 |
return false |
|
| 2754 |
} |
|
| 2755 | ||
| 2756 |
private func uuidValue(_ object: NSManagedObject, key: String) -> UUID? {
|
|
| 2757 |
guard let value = stringValue(object, key: key) else { return nil }
|
|
| 2758 |
return UUID(uuidString: value) |
|
| 2759 |
} |
|
| 2760 | ||
| 2761 |
private func statusValue(_ object: NSManagedObject, key: String) -> ChargeSessionStatus? {
|
|
| 2762 |
guard let value = stringValue(object, key: key) else { return nil }
|
|
| 2763 |
return ChargeSessionStatus(rawValue: value) |
|
| 2764 |
} |
|
| 2765 | ||
| 2766 |
private func chargingTransportModeValue(_ object: NSManagedObject, key: String) -> ChargingTransportMode? {
|
|
| 2767 |
guard let value = stringValue(object, key: key) else { return nil }
|
|
| 2768 |
return ChargingTransportMode(rawValue: value) |
|
| 2769 |
} |
|
| 2770 | ||
| 2771 |
private func decodedObservedVoltageSelections(from object: NSManagedObject) -> [Double] {
|
|
| 2772 |
guard let rawValue = stringValue(object, key: "chargerObservedVoltageSelectionsRawValue") else {
|
|
| 2773 |
return [] |
|
| 2774 |
} |
|
| 2775 |
return rawValue |
|
| 2776 |
.split(separator: ",") |
|
| 2777 |
.compactMap { Double($0) }
|
|
| 2778 |
.sorted() |
|
| 2779 |
} |
|
| 2780 | ||
| 2781 |
private func encodedObservedVoltageSelections(_ voltages: [Double]) -> String? {
|
|
| 2782 |
let uniqueVoltages = Array(Set(voltages)).sorted() |
|
| 2783 |
guard !uniqueVoltages.isEmpty else {
|
|
| 2784 |
return nil |
|
| 2785 |
} |
|
| 2786 |
return uniqueVoltages |
|
| 2787 |
.map { String(format: "%.1f", $0) }
|
|
| 2788 |
.joined(separator: ",") |
|
| 2789 |
} |
|
| 2790 | ||
| 2791 |
private func runningAverage(currentAverage: Double, currentCount: Int, newValue: Double) -> Double {
|
|
| 2792 |
guard currentCount > 0 else {
|
|
| 2793 |
return newValue |
|
| 2794 |
} |
|
| 2795 |
let total = (currentAverage * Double(currentCount)) + newValue |
|
| 2796 |
return total / Double(currentCount + 1) |
|
| 2797 |
} |
|
| 2798 |
} |
|
| 2799 | ||
| 2800 |
private enum ObservationSaveReason {
|
|
| 2801 |
case none |
|
| 2802 |
case created |
|
| 2803 |
case periodic |
|
| 2804 |
case completed |
|
| 2805 |
case event |
|
| 2806 |
} |