feat(settings): reset settings when subscription expires

app/src/foss/java/org/nsh07/pomodoro/billing/FossBillingManager.kt

@@ -25,6 +25,7 @@ import kotlinx.coroutines.flow.asStateFlow
  */
 class FossBillingManager : BillingManager {
     override val isPlus = MutableStateFlow(true).asStateFlow()
+    override val isLoaded = MutableStateFlow(true).asStateFlow()
 }
 
 object BillingManagerProvider {

app/src/main/java/org/nsh07/pomodoro/MainActivity.kt

@@ -61,6 +61,18 @@ class MainActivity : ComponentActivity() {
             val seed = preferencesState.colorScheme.toColor()
 
             val isPlus by settingsViewModel.isPlus.collectAsStateWithLifecycle()
+            val isPurchaseStateLoaded by settingsViewModel.isPurchaseStateLoaded.collectAsStateWithLifecycle()
+            val isSettingsLoaded by settingsViewModel.isSettingsLoaded.collectAsStateWithLifecycle()
+
+            LaunchedEffect(isPurchaseStateLoaded, isPlus, isSettingsLoaded) {
+                if (isPurchaseStateLoaded && isSettingsLoaded) {
+                    if (!isPlus) {
+                        settingsViewModel.resetPaywalledSettings()
+                    } else {
+                        settingsViewModel.reloadSettings()
+                    }
+                }
+            }
 
             TomatoTheme(
                 darkTheme = darkTheme,

app/src/main/java/org/nsh07/pomodoro/billing/BillingManager.kt

@@ -21,4 +21,5 @@ import kotlinx.coroutines.flow.StateFlow
 
 interface BillingManager {
     val isPlus: StateFlow<Boolean>
+    val isLoaded: StateFlow<Boolean>
 }

app/src/main/java/org/nsh07/pomodoro/ui/settingsScreen/viewModel/SettingsViewModel.kt

@@ -54,6 +54,10 @@ class SettingsViewModel(
     val backStack = mutableStateListOf<Screen.Settings>(Screen.Settings.Main)
 
     val isPlus = billingManager.isPlus
+    val isPurchaseStateLoaded = billingManager.isLoaded
+
+    private val _isSettingsLoaded = MutableStateFlow(false)
+    val isSettingsLoaded = _isSettingsLoaded.asStateFlow()
 
     private val _preferencesState = MutableStateFlow(PreferencesState())
     val preferencesState = _preferencesState.asStateFlow()
@@ -94,23 +98,8 @@ class SettingsViewModel(
 
     init {
         viewModelScope.launch {
-            val theme = preferenceRepository.getStringPreference("theme")
+            reloadSettings()
-                ?: preferenceRepository.saveStringPreference("theme", "auto")
+            _isSettingsLoaded.value = true
-            val colorScheme = preferenceRepository.getStringPreference("color_scheme")
-                ?: preferenceRepository.saveStringPreference("color_scheme", Color.White.toString())
-            val blackTheme = preferenceRepository.getBooleanPreference("black_theme")
-                ?: preferenceRepository.saveBooleanPreference("black_theme", false)
-            val aodEnabled = preferenceRepository.getBooleanPreference("aod_enabled")
-                ?: preferenceRepository.saveBooleanPreference("aod_enabled", false)
-
-            _preferencesState.update { currentState ->
-                currentState.copy(
-                    theme = theme,
-                    colorScheme = colorScheme,
-                    blackTheme = blackTheme,
-                    aodEnabled = aodEnabled
-                )
-            }
         }
     }
 
@@ -235,6 +224,36 @@ class SettingsViewModel(
         }
     }
 
+    fun resetPaywalledSettings() {
+        _preferencesState.update { currentState ->
+            currentState.copy(
+                aodEnabled = false,
+                blackTheme = false,
+                colorScheme = Color.White.toString()
+            )
+        }
+    }
+
+    suspend fun reloadSettings() {
+        val theme = preferenceRepository.getStringPreference("theme")
+            ?: preferenceRepository.saveStringPreference("theme", "auto")
+        val colorScheme = preferenceRepository.getStringPreference("color_scheme")
+            ?: preferenceRepository.saveStringPreference("color_scheme", Color.White.toString())
+        val blackTheme = preferenceRepository.getBooleanPreference("black_theme")
+            ?: preferenceRepository.saveBooleanPreference("black_theme", false)
+        val aodEnabled = preferenceRepository.getBooleanPreference("aod_enabled")
+            ?: preferenceRepository.saveBooleanPreference("aod_enabled", false)
+
+        _preferencesState.update { currentState ->
+            currentState.copy(
+                theme = theme,
+                colorScheme = colorScheme,
+                blackTheme = blackTheme,
+                aodEnabled = aodEnabled
+            )
+        }
+    }
+
     companion object {
         val Factory: ViewModelProvider.Factory = viewModelFactory {
             initializer {

app/src/play/java/org/nsh07/pomodoro/billing/PlayBillingManager.kt

@@ -33,6 +33,9 @@ class PlayBillingManager : BillingManager {
     private val _isPlus = MutableStateFlow(false)
     override val isPlus = _isPlus.asStateFlow()
 
+    private val _isLoaded = MutableStateFlow(false)
+    override val isLoaded = _isLoaded.asStateFlow()
+
     private val purchases by lazy { Purchases.sharedInstance }
 
     init {
@@ -45,9 +48,11 @@ class PlayBillingManager : BillingManager {
         purchases.getCustomerInfoWith(
             onSuccess = { customerInfo ->
                 _isPlus.value = customerInfo.entitlements[ENTITLEMENT_ID]?.isActive == true
+                _isLoaded.value = true
             },
             onError = { error ->
                 Log.e("GooglePlayPaywallManager", "Error fetching customer info: $error")
+                _isLoaded.value = true
             }
         )
     }