[Thread Detail] [Part 1] TF-3639 data layer and controller (#3645)

lib/features/thread_detail/data/data_source/thread_detail_data_source.dart

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+import 'package:jmap_dart_client/jmap/account_id.dart';
+import 'package:jmap_dart_client/jmap/mail/email/email.dart';
+
+abstract class ThreadDetailDataSource {
+  Future<List<EmailId>> getThreadById(
+    ThreadId threadId,
+    AccountId accountId,
+  );
+}

lib/features/thread_detail/data/data_source/thread_detail_remote_data_source_impl.dart

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+import 'package:jmap_dart_client/jmap/account_id.dart';
+import 'package:jmap_dart_client/jmap/mail/email/email.dart';
+import 'package:tmail_ui_user/features/thread_detail/data/data_source/thread_detail_data_source.dart';
+import 'package:tmail_ui_user/features/thread_detail/data/network/thread_detail_api.dart';
+import 'package:tmail_ui_user/main/exceptions/exception_thrower.dart';
+
+class ThreadDetailRemoteDataSourceImpl implements ThreadDetailDataSource {
+  const ThreadDetailRemoteDataSourceImpl(
+    this.threadDetailApi,
+    this.exceptionThrower,
+  );
+
+  final ThreadDetailApi threadDetailApi;
+  final ExceptionThrower exceptionThrower;
+
+  @override
+  Future<List<EmailId>> getThreadById(
+    ThreadId threadId,
+    AccountId accountId
+  ) {
+    return Future.sync(() async {
+      return threadDetailApi.getThreadById(threadId, accountId);
+    }).catchError(exceptionThrower.throwException);
+  }
+}

lib/features/thread_detail/data/network/thread_detail_api.dart

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+import 'package:get/get_utils/get_utils.dart';
+import 'package:jmap_dart_client/http/http_client.dart';
+import 'package:jmap_dart_client/jmap/account_id.dart';
+import 'package:jmap_dart_client/jmap/jmap_request.dart';
+import 'package:jmap_dart_client/jmap/mail/email/email.dart';
+import 'package:jmap_dart_client/jmap/thread/get/get_thread_method.dart';
+import 'package:jmap_dart_client/jmap/thread/get/get_thread_response.dart';
+
+class ThreadDetailApi {
+  const ThreadDetailApi(this._httpClient);
+
+  final HttpClient _httpClient;
+
+  Future<List<EmailId>> getThreadById(
+    ThreadId threadId,
+    AccountId accountId,
+  ) async {
+    final requestBuilder = JmapRequestBuilder(
+      _httpClient,
+      ProcessingInvocation(),
+    );
+    final getThreadMethod = GetThreadMethod(accountId)
+      ..addIds({threadId.id});
+    final getThreadInvocation = requestBuilder.invocation(getThreadMethod);
+    final response = await (requestBuilder..usings(getThreadMethod.requiredCapabilities))
+      .build()
+      .execute();
+    final getThreadResponse = response.parse<GetThreadResponse>(
+      getThreadInvocation.methodCallId,
+      GetThreadResponse.deserialize,
+    );
+
+    return getThreadResponse!.list.firstWhereOrNull(
+      (thread) => thread.id == threadId,
+    )!.emailIds;
+  }
+}

lib/features/thread_detail/data/repository/thread_detail_repository_impl.dart

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+import 'package:core/data/model/source_type/data_source_type.dart';
+import 'package:jmap_dart_client/jmap/account_id.dart';
+import 'package:jmap_dart_client/jmap/mail/email/email.dart';
+import 'package:tmail_ui_user/features/thread_detail/data/data_source/thread_detail_data_source.dart';
+import 'package:tmail_ui_user/features/thread_detail/domain/repository/thread_detail_repository.dart';
+
+class ThreadDetailRepositoryImpl implements ThreadDetailRepository {
+  const ThreadDetailRepositoryImpl(this.threadDetailDataSource);
+
+  final Map<DataSourceType, ThreadDetailDataSource> threadDetailDataSource;
+
+  @override
+  Future<List<EmailId>> getThreadById(
+    ThreadId threadId,
+    AccountId accountId
+  ) {
+    return threadDetailDataSource[DataSourceType.network]!
+      .getThreadById(threadId, accountId);
+  }
+}

lib/features/thread_detail/domain/exceptions/empty_thread_detail_exception.dart

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+class EmptyThreadDetailException implements Exception {}

lib/features/thread_detail/domain/repository/thread_detail_repository.dart

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+import 'package:jmap_dart_client/jmap/account_id.dart';
+import 'package:jmap_dart_client/jmap/mail/email/email.dart';
+
+abstract class ThreadDetailRepository {
+  Future<List<EmailId>> getThreadById(
+    ThreadId threadId,
+    AccountId accountId,
+  );
+}

lib/features/thread_detail/domain/state/get_thread_by_id_state.dart

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+import 'package:core/presentation/state/failure.dart';
+import 'package:core/presentation/state/success.dart';
+import 'package:jmap_dart_client/jmap/mail/email/email.dart';
+
+class GettingThreadById extends LoadingState {}
+
+class GetThreadByIdSuccess extends UIState {
+  final List<EmailId> emailIds;
+
+  GetThreadByIdSuccess(this.emailIds);
+
+  @override
+  List<Object> get props => [emailIds];
+}
+
+class GetThreadByIdFailure extends FeatureFailure {
+  GetThreadByIdFailure({super.exception});
+}

lib/features/thread_detail/domain/usecases/get_thread_by_id_interactor.dart

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+import 'package:core/presentation/state/failure.dart';
+import 'package:core/presentation/state/success.dart';
+import 'package:core/utils/app_logger.dart';
+import 'package:dartz/dartz.dart';
+import 'package:jmap_dart_client/jmap/account_id.dart';
+import 'package:jmap_dart_client/jmap/mail/email/email.dart';
+import 'package:tmail_ui_user/features/thread_detail/domain/exceptions/empty_thread_detail_exception.dart';
+import 'package:tmail_ui_user/features/thread_detail/domain/repository/thread_detail_repository.dart';
+import 'package:tmail_ui_user/features/thread_detail/domain/state/get_thread_by_id_state.dart';
+
+class GetThreadByIdInteractor {
+  const GetThreadByIdInteractor(this._threadDetailRepository);
+
+  final ThreadDetailRepository _threadDetailRepository;
+
+  Stream<Either<Failure, Success>> execute(
+    ThreadId threadId,
+    AccountId accountId,
+  ) async* {
+    try {
+      yield Right(GettingThreadById());
+      final result = await _threadDetailRepository.getThreadById(
+        threadId,
+        accountId,
+      );
+
+      if (result.isEmpty) {
+        throw EmptyThreadDetailException();
+      }
+
+      yield Right(GetThreadByIdSuccess(result));
+    } catch (e) {
+      logError('GetEmailIdsByThreadIdInteractor::execute(): Exception: $e');
+      yield Left(GetThreadByIdFailure(exception: e));
+    }
+  }
+}

lib/features/thread_detail/presentation/extension/handle_get_email_ids_by_thread_id_success.dart

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+import 'package:tmail_ui_user/features/thread_detail/domain/state/get_thread_by_id_state.dart';
+import 'package:tmail_ui_user/features/thread_detail/presentation/thread_detail_controller.dart';
+
+extension HandleGetEmailIdsByThreadIdSuccess on ThreadDetailController {
+  void handleGetEmailIdsByThreadIdSuccess(
+    GetThreadByIdSuccess success,
+  ) {
+    emailIds.value = success.emailIds;
+  }
+}

lib/features/thread_detail/presentation/model/thread_detail_arguments.dart

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+import 'package:equatable/equatable.dart';
+import 'package:jmap_dart_client/jmap/mail/email/email.dart';
+
+class ThreadDetailArguments with EquatableMixin {
+  final ThreadId threadId;
+
+  const ThreadDetailArguments({required this.threadId});
+
+  @override
+  List<Object?> get props => [threadId];
+}

lib/features/thread_detail/presentation/thread_detail_controller.dart

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+import 'package:get/get.dart';
+import 'package:jmap_dart_client/jmap/account_id.dart';
+import 'package:jmap_dart_client/jmap/mail/email/email.dart';
+import 'package:tmail_ui_user/features/base/base_controller.dart';
+import 'package:tmail_ui_user/features/mailbox_dashboard/presentation/controller/mailbox_dashboard_controller.dart';
+import 'package:tmail_ui_user/features/thread_detail/domain/state/get_thread_by_id_state.dart';
+import 'package:tmail_ui_user/features/thread_detail/domain/usecases/get_thread_by_id_interactor.dart';
+import 'package:tmail_ui_user/features/thread_detail/presentation/extension/handle_get_email_ids_by_thread_id_success.dart';
+import 'package:tmail_ui_user/features/thread_detail/presentation/model/thread_detail_arguments.dart';
+
+class ThreadDetailController extends BaseController {
+  final ThreadDetailArguments arguments;
+  final GetThreadByIdInteractor _getEmailIdsByThreadIdInteractor;
+
+  ThreadDetailController(
+    this.arguments,
+    this._getEmailIdsByThreadIdInteractor,
+  );
+
+  final emailIds = <EmailId>[].obs;
+
+  final mailboxDashBoardController = Get.find<MailboxDashBoardController>();
+
+  AccountId? get accountId => mailboxDashBoardController.accountId.value;
+
+  @override
+  void onInit() {
+    super.onInit();
+    if (accountId != null) {
+      consumeState(_getEmailIdsByThreadIdInteractor.execute(
+        arguments.threadId,
+        accountId!,
+      ));
+    }
+  }
+
+  @override
+  void handleSuccessViewState(success) {
+    if (success is GetThreadByIdSuccess) {
+      handleGetEmailIdsByThreadIdSuccess(success);
+    } else {
+      super.handleSuccessViewState(success);
+    }
+  }
+
+  @override
+  void handleFailureViewState(failure) {
+    if (failure is GetThreadByIdFailure) {
+      // TODO: handle failure
+      return;
+    }
+    super.handleFailureViewState(failure);
+  }
+}