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// |
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// ChargeSessionCompletionSheetView.swift |
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// USB Meter |
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// |
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import SwiftUI |
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struct ChargeSessionCompletionSheetView: View {
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private enum FinalCheckpoint: String, CaseIterable, Identifiable {
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case full |
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case skip |
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case custom |
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var id: String { rawValue }
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var label: String {
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switch self {
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case .full: return "Full" |
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case .skip: return "Skip" |
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case .custom: return "Other %" |
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} |
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} |
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} |
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@EnvironmentObject private var appData: AppData |
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@Environment(\.dismiss) private var dismiss |
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let sessionID: UUID |
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let title: String |
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let confirmTitle: String |
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let explanation: String |
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@State private var batteryPercent = "" |
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@State private var finalCheckpoint: FinalCheckpoint = .skip |
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var body: some View {
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NavigationView {
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Form {
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Section( |
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header: ContextInfoHeader( |
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title: "Final Checkpoint", |
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message: explanation |
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) |
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) {
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Picker("Final Battery", selection: $finalCheckpoint) {
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ForEach(FinalCheckpoint.allCases) { mode in
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Text(mode.label).tag(mode) |
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} |
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} |
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.pickerStyle(.segmented) |
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if finalCheckpoint == .custom {
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TextField("Battery %", text: $batteryPercent)
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.keyboardType(.decimalPad) |
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} |
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} |
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Section {
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if let refusalReason {
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Label(refusalReason, systemImage: "exclamationmark.triangle.fill") |
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.font(.footnote) |
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.foregroundColor(.red) |
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Button(role: .destructive) {
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_ = appData.deleteChargeSession(sessionID: sessionID) |
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dismiss() |
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} label: {
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Label("Discard Session", systemImage: "trash")
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} |
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} else if let customCheckpointWarning {
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Label(customCheckpointWarning, systemImage: "exclamationmark.triangle.fill") |
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.font(.footnote) |
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.foregroundColor(.orange) |
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} else if let sessionWarning {
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Text(sessionWarning) |
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.font(.footnote) |
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.foregroundColor(.orange) |
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} else if resolvedFinalBatteryPercent == 100 {
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Text("A final checkpoint at 100% lets the app learn the stop current for this exact charging type when the session data is reliable.")
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.font(.footnote) |
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.foregroundColor(.secondary) |
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} |
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} |
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} |
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.navigationTitle(title) |
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.navigationBarTitleDisplayMode(.inline) |
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.toolbar {
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ToolbarItem(placement: .cancellationAction) {
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Button("Cancel") {
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dismiss() |
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} |
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} |
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ToolbarItem(placement: .confirmationAction) {
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Button(confirmTitle) {
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guard canSave else { return }
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if appData.stopChargeSession(sessionID: sessionID, finalBatteryPercent: resolvedFinalBatteryPercent) {
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dismiss() |
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} |
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} |
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.disabled(!canSave) |
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.opacity(canSave ? 1 : 0.45) |
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} |
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} |
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} |
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.navigationViewStyle(StackNavigationViewStyle()) |
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} |
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private var session: ChargeSessionSummary? {
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appData.chargedDevices |
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.flatMap(\.sessions) |
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.first(where: { $0.id == sessionID })
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} |
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private var canSave: Bool {
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session?.hasSavableChargeData == true |
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} |
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private var refusalReason: String? {
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canSave ? nil : "This session has no charging data to save. Discard it instead." |
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} |
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private var customCheckpointWarning: String? {
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guard finalCheckpoint == .custom, |
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batteryPercent.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty == false, |
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parsedBatteryPercent == nil else {
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return nil |
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} |
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return "Final battery percentage must be between 0 and 100. Save will close the session without a final checkpoint." |
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} |
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private var parsedBatteryPercent: Double? {
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let normalized = batteryPercent |
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.trimmingCharacters(in: .whitespacesAndNewlines) |
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.replacingOccurrences(of: ",", with: ".") |
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guard let value = Double(normalized), value >= 0, value <= 100 else { return nil }
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return value |
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} |
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private var resolvedFinalBatteryPercent: Double? {
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switch finalCheckpoint {
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case .full: return 100 |
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case .skip: return nil |
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case .custom: return parsedBatteryPercent |
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} |
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} |
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private var sessionWarning: String? {
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guard let session, |
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session.chargingTransportMode == .wireless, |
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let chargerID = session.chargerID, |
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let charger = appData.chargedDeviceSummary(id: chargerID), |
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charger.chargerIdleCurrentAmps == nil else {
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return nil |
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} |
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return "This charger has no idle-current measurement, so the final checkpoint will stop the session but will not learn a wireless stop threshold yet." |
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} |
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} |