feat: Delete local conversation use case [#WPB-14601]

logic/src/commonMain/kotlin/com/wire/kalium/logic/data/conversation/ConversationRepository.kt

@@ -224,6 +224,7 @@ interface ConversationRepository {
     ): Either<CoreFailure, Unit>
 
     suspend fun deleteConversation(conversationId: ConversationId): Either<CoreFailure, Unit>
+    suspend fun deleteLocalConversation(conversationId: ConversationId): Either<CoreFailure, Unit>
 
     /**
      * Deletes all conversation messages
@@ -884,6 +885,12 @@ internal class ConversationDataSource internal constructor(
             }
         }
 
+    override suspend fun deleteLocalConversation(conversationId: ConversationId): Either<CoreFailure, Unit> {
+        return wrapStorageRequest {
+            conversationDAO.deleteConversationByQualifiedID(conversationId.toDao())
+        }
+    }
+
     override suspend fun clearContent(conversationId: ConversationId): Either<StorageFailure, Unit> =
         wrapStorageRequest {
             conversationDAO.clearContent(conversationId.toDao())

logic/src/commonMain/kotlin/com/wire/kalium/logic/data/message/MessageRepository.kt

@@ -253,6 +253,10 @@ internal interface MessageRepository {
         messageId: String,
         conversationId: ConversationId
     ): Either<StorageFailure, AssetTransferStatus>
+
+    suspend fun getAllAssetIdsFromConversationId(
+        conversationId: ConversationId,
+    ): Either<StorageFailure, List<String>>
 }
 
 // TODO: suppress TooManyFunctions for now, something we need to fix in the future
@@ -706,4 +710,12 @@ internal class MessageDataSource internal constructor(
     ): Either<StorageFailure, AssetTransferStatus> = wrapStorageRequest {
         messageDAO.getMessageAssetTransferStatus(messageId, conversationId.toDao()).toModel()
     }
+
+    override suspend fun getAllAssetIdsFromConversationId(
+        conversationId: ConversationId
+    ): Either<StorageFailure, List<String>> {
+        return wrapStorageRequest {
+            messageDAO.getAllMessageAssetIdsForConversationId(conversationId = conversationId.toDao())
+        }
+    }
 }

logic/src/commonMain/kotlin/com/wire/kalium/logic/feature/UserSessionScope.kt

@@ -1806,7 +1806,9 @@ class UserSessionScope internal constructor(
             this,
             userScopedLogger,
             refreshUsersWithoutMetadata,
-            sessionManager.getServerConfig().links
+            sessionManager.getServerConfig().links,
+            messages.messageRepository,
+            assetRepository
         )
     }
 

logic/src/commonMain/kotlin/com/wire/kalium/logic/feature/conversation/ClearLocalConversationAssetsUseCase.kt

@@ -0,0 +1,51 @@
+/*
+ * Wire
+ * Copyright (C) 2024 Wire Swiss GmbH
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see http://www.gnu.org/licenses/.
+ */
+package com.wire.kalium.logic.feature.conversation
+
+import com.wire.kalium.logic.CoreFailure
+import com.wire.kalium.logic.data.asset.AssetRepository
+import com.wire.kalium.logic.data.id.ConversationId
+import com.wire.kalium.logic.data.message.MessageRepository
+import com.wire.kalium.logic.functional.Either
+import com.wire.kalium.logic.functional.flatMap
+
+interface ClearLocalConversationAssetsUseCase {
+    /**
+     * Clear all conversation assets from local storage
+     *
+     * @param conversationId - id of conversation in which assets should be cleared
+     */
+    suspend operator fun invoke(conversationId: ConversationId): Either<CoreFailure, Unit>
+}
+
+internal class ClearLocalConversationAssetsUseCaseImpl(
+    private val messageRepository: MessageRepository,
+    private val assetRepository: AssetRepository
+) : ClearLocalConversationAssetsUseCase {
+    override suspend fun invoke(conversationId: ConversationId): Either<CoreFailure, Unit> {
+        return messageRepository.getAllAssetIdsFromConversationId(conversationId)
+            .flatMap { ids ->
+                if (ids.isEmpty()) return Either.Right(Unit)
+
+                ids.map { id -> assetRepository.deleteAssetLocally(id) }
+                    .reduce { acc, either ->
+                        acc.flatMap { either }
+                    }
+            }
+    }
+}

logic/src/commonMain/kotlin/com/wire/kalium/logic/feature/conversation/ConversationScope.kt

@@ -23,6 +23,7 @@ import com.wire.kalium.logger.KaliumLogger
 import com.wire.kalium.logic.cache.SelfConversationIdProvider
 import com.wire.kalium.logic.configuration.server.ServerConfig
 import com.wire.kalium.logic.configuration.server.ServerConfigRepository
+import com.wire.kalium.logic.data.asset.AssetRepository
 import com.wire.kalium.logic.data.connection.ConnectionRepository
 import com.wire.kalium.logic.data.conversation.ConversationGroupRepository
 import com.wire.kalium.logic.data.conversation.ConversationRepository
@@ -38,6 +39,7 @@ import com.wire.kalium.logic.data.conversation.folders.ConversationFolderReposit
 import com.wire.kalium.logic.data.id.CurrentClientIdProvider
 import com.wire.kalium.logic.data.id.QualifiedIdMapper
 import com.wire.kalium.logic.data.id.SelfTeamIdProvider
+import com.wire.kalium.logic.data.message.MessageRepository
 import com.wire.kalium.logic.data.message.PersistMessageUseCase
 import com.wire.kalium.logic.data.properties.UserPropertyRepository
 import com.wire.kalium.logic.data.team.TeamRepository
@@ -115,6 +117,8 @@ class ConversationScope internal constructor(
     private val kaliumLogger: KaliumLogger,
     private val refreshUsersWithoutMetadata: RefreshUsersWithoutMetadataUseCase,
     private val serverConfigLinks: ServerConfig.Links,
+    internal val messageRepository: MessageRepository,
+    internal val assetRepository: AssetRepository,
     internal val dispatcher: KaliumDispatcher = KaliumDispatcherImpl,
 ) {
 
@@ -266,6 +270,18 @@ class ConversationScope internal constructor(
             selfConversationIdProvider
         )
 
+    val clearConversationAssetsLocally: ClearLocalConversationAssetsUseCase
+        get() = ClearLocalConversationAssetsUseCaseImpl(
+            messageRepository,
+            assetRepository
+        )
+
+    val deleteLocalConversationUseCase: DeleteLocalConversationUseCase
+        get() = DeleteLocalConversationUseCaseImpl(
+            conversationRepository,
+            clearConversationAssetsLocally
+        )
+
     val joinConversationViaCode: JoinConversationViaCodeUseCase
         get() = JoinConversationViaCodeUseCase(conversationGroupRepository, selfUserId)
 

logic/src/commonMain/kotlin/com/wire/kalium/logic/feature/conversation/DeleteLocalConversationUseCase.kt

@@ -0,0 +1,48 @@
+/*
+ * Wire
+ * Copyright (C) 2024 Wire Swiss GmbH
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see http://www.gnu.org/licenses/.
+ */
+package com.wire.kalium.logic.feature.conversation
+
+import com.wire.kalium.logic.CoreFailure
+import com.wire.kalium.logic.data.conversation.ConversationRepository
+import com.wire.kalium.logic.data.id.ConversationId
+import com.wire.kalium.logic.functional.Either
+import com.wire.kalium.logic.functional.flatMap
+
+interface DeleteLocalConversationUseCase {
+    /**
+     * Delete local conversation which:
+     * - Clear all local assets
+     * - Clear content
+     * - Remove conversation
+     *
+     * @param conversationId - id of conversation to delete
+     */
+    suspend operator fun invoke(conversationId: ConversationId): Either<CoreFailure, Unit>
+}
+
+internal class DeleteLocalConversationUseCaseImpl(
+    private val conversationRepository: ConversationRepository,
+    private val clearLocalConversationAssets: ClearLocalConversationAssetsUseCase
+) : DeleteLocalConversationUseCase {
+
+    override suspend fun invoke(conversationId: ConversationId): Either<CoreFailure, Unit> {
+        return clearLocalConversationAssets(conversationId)
+            .flatMap { conversationRepository.clearContent(conversationId) }
+            .flatMap { conversationRepository.deleteLocalConversation(conversationId) }
+    }
+}

logic/src/commonTest/kotlin/com/wire/kalium/logic/feature/conversation/ClearLocalConversationAssetsUseCaseTest.kt

@@ -0,0 +1,111 @@
+/*
+ * Wire
+ * Copyright (C) 2024 Wire Swiss GmbH
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see http://www.gnu.org/licenses/.
+ */
+package com.wire.kalium.logic.feature.conversation
+
+import com.wire.kalium.logic.CoreFailure
+import com.wire.kalium.logic.data.asset.AssetRepository
+import com.wire.kalium.logic.data.id.ConversationId
+import com.wire.kalium.logic.data.message.MessageRepository
+import com.wire.kalium.logic.functional.Either
+import io.mockative.Mock
+import io.mockative.any
+import io.mockative.coEvery
+import io.mockative.coVerify
+import io.mockative.mock
+import kotlinx.coroutines.test.runTest
+import kotlin.test.Test
+import kotlin.test.assertIs
+
+class ClearLocalConversationAssetsUseCaseTest {
+
+    @Test
+    fun givenConversationAssetIds_whenAllDeletionsAreSuccess_thenSuccessResultIsPropagated() = runTest {
+        // given
+        val ids = listOf("id_1", "id_2")
+        val (arrangement, useCase) = Arrangement()
+            .withAssetIdsResponse(ids)
+            .withAssetClearSuccess("id_1")
+            .withAssetClearSuccess("id_2")
+            .arrange()
+
+        // when
+        val result = useCase(ConversationId("someValue", "someDomain"))
+
+        // then
+        assertIs<Either.Right<Unit>>(result)
+        coVerify { arrangement.assetRepository.deleteAssetLocally(any()) }.wasInvoked(exactly = 2)
+    }
+
+    @Test
+    fun givenConversationAssetIds_whenOneDeletionFailed_thenFailureResultIsPropagated() = runTest {
+        // given
+        val ids = listOf("id_1", "id_2")
+        val (arrangement, useCase) = Arrangement()
+            .withAssetIdsResponse(ids)
+            .withAssetClearSuccess("id_1")
+            .withAssetClearError("id_2")
+            .arrange()
+
+        // when
+        val result = useCase(ConversationId("someValue", "someDomain"))
+
+        // then
+        assertIs<Either.Left<Unit>>(result)
+        coVerify { arrangement.assetRepository.deleteAssetLocally(any()) }.wasInvoked(exactly = 2)
+    }
+
+    @Test
+    fun givenEmptyConversationAssetIds_whenInvoked_thenDeletionsAreNotInvoked() = runTest {
+        // given
+        val (arrangement, useCase) = Arrangement()
+            .withAssetIdsResponse(emptyList())
+            .arrange()
+
+        // when
+        val result = useCase(ConversationId("someValue", "someDomain"))
+
+        // then
+        assertIs<Either.Right<Unit>>(result)
+        coVerify { arrangement.assetRepository.deleteAssetLocally(any()) }.wasNotInvoked()
+    }
+
+    private class Arrangement {
+        @Mock
+        val messageRepository = mock(MessageRepository::class)
+
+        @Mock
+        val assetRepository = mock(AssetRepository::class)
+
+        suspend fun withAssetClearSuccess(id: String) = apply {
+            coEvery { assetRepository.deleteAssetLocally(id) }.returns(Either.Right(Unit))
+        }
+
+        suspend fun withAssetClearError(id: String) = apply {
+            coEvery { assetRepository.deleteAssetLocally(id) }.returns(Either.Left(CoreFailure.Unknown(null)))
+        }
+
+        suspend fun withAssetIdsResponse(ids: List<String>) = apply {
+            coEvery { messageRepository.getAllAssetIdsFromConversationId(any()) }.returns(Either.Right(ids))
+        }
+
+        fun arrange() = this to ClearLocalConversationAssetsUseCaseImpl(
+            messageRepository = messageRepository,
+            assetRepository = assetRepository
+        )
+    }
+}