When clearing cache, also reset some data store in prefs/datastore.

features/analytics/test/src/main/kotlin/io/element/android/features/analytics/test/FakeAnalyticsService.kt

@@ -67,4 +67,8 @@ class FakeAnalyticsService(
 
     override fun trackError(throwable: Throwable) {
     }
+
+    override suspend fun reset() {
+        didAskUserConsentFlow.value = false
+    }
 }

features/ftue/api/src/main/kotlin/io/element/android/features/ftue/api/state/FtueState.kt

@@ -20,4 +20,6 @@ import kotlinx.coroutines.flow.StateFlow
 
 interface FtueState {
     val shouldDisplayFlow: StateFlow<Boolean>
+
+    suspend fun reset()
 }

features/ftue/impl/src/main/kotlin/io/element/android/features/ftue/impl/state/DefaultFtueState.kt

@@ -39,6 +39,11 @@ class DefaultFtueState @Inject constructor(
 
     override val shouldDisplayFlow = MutableStateFlow(isAnyStepIncomplete())
 
+    override suspend fun reset() {
+        welcomeScreenState.reset()
+        analyticsService.reset()
+    }
+
     init {
         analyticsService.didAskUserConsent()
             .onEach { updateState() }

features/ftue/impl/src/main/kotlin/io/element/android/features/ftue/impl/welcome/state/AndroidWelcomeScreenState.kt

@@ -17,6 +17,7 @@
 package io.element.android.features.ftue.impl.welcome.state
 
 import android.content.SharedPreferences
+import androidx.core.content.edit
 import com.squareup.anvil.annotations.ContributesBinding
 import io.element.android.libraries.di.AppScope
 import io.element.android.libraries.di.DefaultPreferences
@@ -27,7 +28,7 @@ import javax.inject.Inject
 @SingleIn(AppScope::class)
 class AndroidWelcomeScreenState @Inject constructor(
     @DefaultPreferences private val sharedPreferences: SharedPreferences,
-): WelcomeScreenState {
+) : WelcomeScreenState {
 
     companion object {
         private const val IS_WELCOME_SCREEN_SHOWN = "is_welcome_screen_shown"
@@ -40,4 +41,10 @@ class AndroidWelcomeScreenState @Inject constructor(
     override fun setWelcomeScreenShown() {
         sharedPreferences.edit().putBoolean(IS_WELCOME_SCREEN_SHOWN, true).apply()
     }
+
+    override fun reset() {
+        sharedPreferences.edit {
+            remove(IS_WELCOME_SCREEN_SHOWN)
+        }
+    }
 }

features/ftue/impl/src/main/kotlin/io/element/android/features/ftue/impl/welcome/state/WelcomeScreenState.kt

@@ -19,4 +19,5 @@ package io.element.android.features.ftue.impl.welcome.state
 interface WelcomeScreenState {
     fun isWelcomeScreenNeeded(): Boolean
     fun setWelcomeScreenShown()
+    fun reset()
 }

features/ftue/impl/src/test/kotlin/io/element/android/features/ftue/impl/welcome/state/FakeWelcomeState.kt

@@ -27,4 +27,8 @@ class FakeWelcomeState : WelcomeScreenState {
     override fun setWelcomeScreenShown() {
         isWelcomeScreenNeeded = false
     }
+
+    override fun reset() {
+        isWelcomeScreenNeeded = true
+    }
 }

features/preferences/impl/build.gradle.kts

@@ -44,6 +44,7 @@ dependencies {
     implementation(projects.libraries.uiStrings)
     implementation(projects.features.rageshake.api)
     implementation(projects.features.analytics.api)
+    implementation(projects.features.ftue.api)
     implementation(projects.libraries.matrixui)
     implementation(projects.features.logout.api)
     implementation(projects.services.toolbox.api)

features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/tasks/ClearCacheUseCase.kt

@@ -22,6 +22,7 @@ import android.content.Context
 import coil.Coil
 import coil.annotation.ExperimentalCoilApi
 import com.squareup.anvil.annotations.ContributesBinding
+import io.element.android.features.ftue.api.state.FtueState
 import io.element.android.features.preferences.impl.DefaultCacheService
 import io.element.android.libraries.core.coroutine.CoroutineDispatchers
 import io.element.android.libraries.di.ApplicationContext
@@ -43,6 +44,7 @@ class DefaultClearCacheUseCase @Inject constructor(
     private val coroutineDispatchers: CoroutineDispatchers,
     private val defaultCacheIndexProvider: DefaultCacheService,
     private val okHttpClient: Provider<OkHttpClient>,
+    private val ftueState: FtueState,
 ) : ClearCacheUseCase {
     override suspend fun invoke() = withContext(coroutineDispatchers.io) {
         // Clear Matrix cache
@@ -56,6 +58,8 @@ class DefaultClearCacheUseCase @Inject constructor(
         okHttpClient.get().cache?.delete()
         // Clear app cache
         context.cacheDir.deleteRecursively()
+        // Clear some settings
+        ftueState.reset()
         // Ensure the app is restarted
         defaultCacheIndexProvider.onClearedCache(matrixClient.sessionId)
     }

services/analytics/api/src/main/kotlin/io/element/android/services/analytics/api/AnalyticsService.kt

@@ -58,4 +58,9 @@ interface AnalyticsService: AnalyticsTracker, ErrorTracker {
      * To be called when a session is destroyed.
      */
     suspend fun onSignOut()
+
+    /**
+     * Reset the analytics service (will ask for user consent again).
+     */
+    suspend fun reset()
 }

services/analytics/impl/src/main/kotlin/io/element/android/services/analytics/impl/DefaultAnalyticsService.kt

@@ -78,6 +78,10 @@ class DefaultAnalyticsService @Inject constructor(
         analyticsStore.setDidAskUserConsent()
     }
 
+    override suspend fun reset() {
+        analyticsStore.setDidAskUserConsent(false)
+    }
+
     override fun getAnalyticsId(): Flow<String> {
         return analyticsStore.analyticsIdFlow
     }