Introduce SessionPathsFactory.

libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/auth/RustMatrixAuthenticationService.kt

@@ -21,7 +21,6 @@ import io.element.android.appconfig.AuthenticationConfig
 import io.element.android.libraries.core.coroutine.CoroutineDispatchers
 import io.element.android.libraries.core.extensions.mapFailure
 import io.element.android.libraries.di.AppScope
-import io.element.android.libraries.di.CacheDirectory
 import io.element.android.libraries.di.SingleIn
 import io.element.android.libraries.matrix.api.MatrixClient
 import io.element.android.libraries.matrix.api.auth.MatrixAuthenticationService
@@ -32,13 +31,14 @@ import io.element.android.libraries.matrix.api.auth.qrlogin.QrCodeLoginStep
 import io.element.android.libraries.matrix.api.core.SessionId
 import io.element.android.libraries.matrix.impl.ClientBuilderSlidingSync
 import io.element.android.libraries.matrix.impl.RustMatrixClientFactory
-import io.element.android.libraries.matrix.impl.paths.SessionPaths
 import io.element.android.libraries.matrix.impl.auth.qrlogin.QrErrorMapper
 import io.element.android.libraries.matrix.impl.auth.qrlogin.SdkQrCodeLoginData
 import io.element.android.libraries.matrix.impl.auth.qrlogin.toStep
 import io.element.android.libraries.matrix.impl.exception.mapClientException
 import io.element.android.libraries.matrix.impl.keys.PassphraseGenerator
 import io.element.android.libraries.matrix.impl.mapper.toSessionData
+import io.element.android.libraries.matrix.impl.paths.SessionPaths
+import io.element.android.libraries.matrix.impl.paths.SessionPathsFactory
 import io.element.android.libraries.sessionstorage.api.LoggedInState
 import io.element.android.libraries.sessionstorage.api.LoginType
 import io.element.android.libraries.sessionstorage.api.SessionStore
@@ -55,15 +55,12 @@ import org.matrix.rustcomponents.sdk.QrLoginProgressListener
 import org.matrix.rustcomponents.sdk.use
 import timber.log.Timber
 import uniffi.matrix_sdk.OidcAuthorizationData
-import java.io.File
-import java.util.UUID
 import javax.inject.Inject
 
 @ContributesBinding(AppScope::class)
 @SingleIn(AppScope::class)
 class RustMatrixAuthenticationService @Inject constructor(
-    private val baseDirectory: File,
-    @CacheDirectory private val cacheDirectory: File,
+    private val sessionPathsFactory: SessionPathsFactory,
     private val coroutineDispatchers: CoroutineDispatchers,
     private val sessionStore: SessionStore,
     private val rustMatrixClientFactory: RustMatrixClientFactory,
@@ -82,11 +79,7 @@ class RustMatrixAuthenticationService @Inject constructor(
 
     private fun rotateSessionPath(): SessionPaths {
         sessionPaths?.deleteRecursively()
-        val subPath = UUID.randomUUID().toString()
-        return SessionPaths(
-            fileDirectory = File(baseDirectory, subPath),
-            cacheDirectory = File(cacheDirectory, subPath),
-        )
+        return sessionPathsFactory.create()
             .also { sessionPaths = it }
     }
 

libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/paths/SessionPathsFactory.kt

@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2024 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.libraries.matrix.impl.paths
+
+import io.element.android.libraries.di.CacheDirectory
+import java.io.File
+import java.util.UUID
+import javax.inject.Inject
+
+class SessionPathsFactory @Inject constructor(
+    private val baseDirectory: File,
+    @CacheDirectory private val cacheDirectory: File,
+) {
+    fun create(): SessionPaths {
+        val subPath = UUID.randomUUID().toString()
+        return SessionPaths(
+            fileDirectory = File(baseDirectory, subPath),
+            cacheDirectory = File(cacheDirectory, subPath),
+        )
+    }
+}

samples/minimal/src/main/kotlin/io/element/android/samples/minimal/MainActivity.kt

@@ -32,6 +32,7 @@ import io.element.android.libraries.matrix.impl.RustMatrixClientFactory
 import io.element.android.libraries.matrix.impl.analytics.UtdTracker
 import io.element.android.libraries.matrix.impl.auth.OidcConfigurationProvider
 import io.element.android.libraries.matrix.impl.auth.RustMatrixAuthenticationService
+import io.element.android.libraries.matrix.impl.paths.SessionPathsFactory
 import io.element.android.libraries.network.useragent.SimpleUserAgentProvider
 import io.element.android.libraries.preferences.test.InMemoryAppPreferencesStore
 import io.element.android.libraries.sessionstorage.api.LoggedInState
@@ -49,8 +50,7 @@ class MainActivity : ComponentActivity() {
         val userCertificatesProvider = NoOpUserCertificatesProvider()
         val proxyProvider = NoOpProxyProvider()
         RustMatrixAuthenticationService(
-            baseDirectory = baseDirectory,
-            cacheDirectory = applicationContext.cacheDir,
+            sessionPathsFactory = SessionPathsFactory(baseDirectory, applicationContext.cacheDir),
             coroutineDispatchers = Singleton.coroutineDispatchers,
             sessionStore = sessionStore,
             rustMatrixClientFactory = RustMatrixClientFactory(