Close the client before deleting data, and ensure the app is restarted, using a cache Index.

libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/MatrixClient.kt

@@ -51,6 +51,10 @@ interface MatrixClient : Closeable {
     fun pushersService(): PushersService
     fun notificationService(): NotificationService
     suspend fun getCacheSize(): Long
+
+    /**
+     * Will close the client and delete the cache data.
+     */
     suspend fun clearCache()
     suspend fun logout()
     suspend fun loadUserDisplayName(): Result<String>

libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/auth/MatrixAuthenticationService.kt

@@ -29,6 +29,13 @@ interface MatrixAuthenticationService {
     suspend fun setHomeserver(homeserver: String): Result<Unit>
     suspend fun login(username: String, password: String): Result<SessionId>
 
+    /*
+     * Cache index
+     */
+
+    fun cacheIdx(): Flow<Int>
+    fun incrementCacheIdx()
+
     /*
      * OIDC part.
      */