fix: disable idle timer while migrating (fixes #181)

Author: pixelspark

Sushitrain/App.swift

@@ -44,7 +44,7 @@ struct SushitrainApp: App {
 		Log.info("Logging enabled: \(enableLogging)")
 
 		let client = SushitrainNewClient(configPath, documentsPath, enableLogging)!
-		
+
 		// Optionally clear v1 and/or v2 index
 		let clearV1Index = UserDefaults.standard.bool(forKey: "clearV1Index")
 		let clearV2Index = UserDefaults.standard.bool(forKey: "clearV2Index")
@@ -68,7 +68,7 @@ struct SushitrainApp: App {
 				Log.warn("Failed to delete v2 index: " + error.localizedDescription)
 			}
 		}
-		
+
 		let appState = AppState(client: client, documentsDirectory: documentsDirectory, configDirectory: configDirectory)
 		self.appState = appState
 

Sushitrain/AppState.swift

@@ -159,7 +159,7 @@ enum AppStartupState: Equatable {
 		if resetDeltas {
 			Log.info("Reset deltas requested from settings")
 		}
-		
+
 		DispatchQueue.global(qos: .userInitiated).async {
 			do {
 				// This one opens the database, migrates stuff, etc. and may take a while
@@ -175,7 +175,7 @@ enum AppStartupState: Equatable {
 					self.isMigratedToNewDatabase = !client.hasOldDatabase()
 					Log.info("Performing app migrations...")
 					self.performMigrations()
-					
+
 					Log.info("Configuring the user interface...")
 					self.applySettings()
 					self.update()

Sushitrain/ContentView.swift

@@ -14,16 +14,7 @@ struct MainView: View {
 	var body: some View {
 		switch appState.startupState {
 		case .notStarted:
-			VStack(spacing: 10) {
-				ProgressView().progressViewStyle(.circular)
-				if !appState.isMigratedToNewDatabase {
-					// We are likely migrating now
-					Text("Upgrading the database. This may take a few minutes, depending on how many files you have. Please do not close the app until this is finished.")
-						.foregroundStyle(.secondary)
-						.multilineTextAlignment(.center)
-						.frame(maxWidth: 320)
-				}
-			}
+			LoadingView(appState: appState)
 		case .error(let e):
 			ContentUnavailableView("Cannot start the app", systemImage: "exclamationmark.triangle.fill", description: Text(e))
 		case .started:
@@ -274,6 +265,33 @@ private struct ContentView: View {
 	}
 }
 
+private struct LoadingView: View {
+	@ObservedObject var appState: AppState
+
+	var body: some View {
+		VStack(spacing: 10) {
+			ProgressView().progressViewStyle(.circular)
+			if !appState.isMigratedToNewDatabase {
+				// We are likely migrating now
+				Text(
+					"Upgrading the database. This may take a few minutes, depending on how many files you have. Please do not close the app until this is finished."
+				)
+				.foregroundStyle(.secondary)
+				.multilineTextAlignment(.center)
+				.frame(maxWidth: 320)
+			}
+		}
+		.onAppear {
+			Log.info("Asserting idle timer disable")
+			UIApplication.shared.isIdleTimerDisabled = true
+		}
+		.onDisappear {
+			Log.info("Deasserting idle timer disable")
+			UIApplication.shared.isIdleTimerDisabled = false
+		}
+	}
+}
+
 private struct StartOrSearchView: View {
 	@ObservedObject var appState: AppState
 	@Binding var route: Route?