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// |
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// DataStore.swift |
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// USB Meter |
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// |
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// Created by Bogdan Timofte on 03/03/2020. |
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// Copyright © 2020 Bogdan Timofte. All rights reserved. |
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// |
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import SwiftUI |
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import Combine |
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import CoreBluetooth |
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final class AppData : ObservableObject {
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struct KnownMeterSummary: Identifiable {
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let macAddress: String |
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let displayName: String |
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let modelSummary: String |
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let advertisedName: String? |
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let lastSeen: Date? |
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let lastConnected: Date? |
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let meter: Meter? |
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var id: String {
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macAddress |
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} |
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} |
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private var bluetoothManagerNotification: AnyCancellable? |
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private var meterStoreObserver: AnyCancellable? |
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private var meterStoreCloudObserver: AnyCancellable? |
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private let meterStore = MeterNameStore.shared |
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init() {
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bluetoothManagerNotification = bluetoothManager.objectWillChange.sink { [weak self] _ in
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self?.scheduleObjectWillChange() |
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} |
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meterStoreObserver = NotificationCenter.default.publisher(for: .meterNameStoreDidChange) |
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.receive(on: DispatchQueue.main) |
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.sink { [weak self] _ in
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self?.refreshMeterMetadata() |
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} |
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meterStoreCloudObserver = NotificationCenter.default.publisher(for: .meterNameStoreCloudStatusDidChange) |
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.receive(on: DispatchQueue.main) |
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.sink { [weak self] _ in
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self?.scheduleObjectWillChange() |
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} |
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} |
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let bluetoothManager = BluetoothManager() |
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@Published var enableRecordFeature: Bool = true |
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@Published var meters: [UUID:Meter] = [UUID:Meter]() |
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var cloudAvailability: MeterNameStore.CloudAvailability {
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meterStore.currentCloudAvailability |
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} |
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func meterName(for macAddress: String) -> String? {
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meterStore.name(for: macAddress) |
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} |
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func setMeterName(_ name: String, for macAddress: String) {
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meterStore.upsert(macAddress: macAddress, name: name, temperatureUnitRawValue: nil) |
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} |
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func temperatureUnitPreference(for macAddress: String) -> TemperatureUnitPreference {
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let rawValue = meterStore.temperatureUnitRawValue(for: macAddress) ?? TemperatureUnitPreference.celsius.rawValue |
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return TemperatureUnitPreference(rawValue: rawValue) ?? .celsius |
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} |
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func setTemperatureUnitPreference(_ preference: TemperatureUnitPreference, for macAddress: String) {
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meterStore.upsert(macAddress: macAddress, name: nil, temperatureUnitRawValue: preference.rawValue) |
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} |
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func registerKnownMeter(macAddress: String, modelName: String?, advertisedName: String?) {
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meterStore.registerKnownMeter(macAddress: macAddress, modelName: modelName, advertisedName: advertisedName) |
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} |
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func noteMeterSeen(at date: Date, macAddress: String) {
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meterStore.noteLastSeen(date, for: macAddress) |
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} |
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func noteMeterConnected(at date: Date, macAddress: String) {
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meterStore.noteLastConnected(date, for: macAddress) |
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} |
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func lastSeen(for macAddress: String) -> Date? {
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meterStore.lastSeen(for: macAddress) |
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} |
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func lastConnected(for macAddress: String) -> Date? {
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meterStore.lastConnected(for: macAddress) |
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} |
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var knownMeters: [KnownMeterSummary] {
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let liveMetersByMAC = Dictionary(uniqueKeysWithValues: meters.values.map { ($0.btSerial.macAddress.description, $0) })
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let recordsByMAC = Dictionary(uniqueKeysWithValues: meterStore.allRecords().map { ($0.macAddress, $0) })
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let macAddresses = Set(recordsByMAC.keys).union(liveMetersByMAC.keys) |
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return macAddresses.map { macAddress in
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let liveMeter = liveMetersByMAC[macAddress] |
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let record = recordsByMAC[macAddress] |
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return KnownMeterSummary( |
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macAddress: macAddress, |
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displayName: liveMeter?.name ?? record?.customName ?? macAddress, |
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modelSummary: liveMeter?.deviceModelSummary ?? record?.modelName ?? "Known meter", |
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advertisedName: liveMeter?.modelString ?? record?.advertisedName, |
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lastSeen: liveMeter?.lastSeen ?? record?.lastSeen, |
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lastConnected: liveMeter?.lastConnectedAt ?? record?.lastConnected, |
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meter: liveMeter |
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) |
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} |
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.sorted { lhs, rhs in
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let byName = lhs.displayName.localizedCaseInsensitiveCompare(rhs.displayName) |
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if byName != .orderedSame {
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return byName == .orderedAscending |
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} |
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return lhs.macAddress < rhs.macAddress |
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} |
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} |
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private func scheduleObjectWillChange() {
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DispatchQueue.main.async { [weak self] in
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self?.objectWillChange.send() |
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} |
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} |
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private func refreshMeterMetadata() {
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DispatchQueue.main.async { [weak self] in
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guard let self else { return }
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var didUpdateAnyMeter = false |
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for meter in self.meters.values {
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let mac = meter.btSerial.macAddress.description |
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let displayName = self.meterName(for: mac) ?? mac |
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if meter.name != displayName {
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meter.updateNameFromStore(displayName) |
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didUpdateAnyMeter = true |
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} |
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let previousTemperaturePreference = meter.tc66TemperatureUnitPreference |
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meter.reloadTemperatureUnitPreference() |
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if meter.tc66TemperatureUnitPreference != previousTemperaturePreference {
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didUpdateAnyMeter = true |
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} |
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} |
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if didUpdateAnyMeter {
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self.scheduleObjectWillChange() |
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} |
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} |
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} |
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} |