TF-675 Handle upload attachment use isolate

2022-07-05 19:28:41 +07:00
parent e732d2314c
commit ad1c6f55c5
5 changed files with 295 additions and 0 deletions
@@ -0,0 +1,65 @@
+
+import 'dart:async';
+
+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:equatable/equatable.dart';
+import 'package:model/upload/file_info.dart';
+import 'package:tmail_ui_user/features/upload/data/network/file_uploader.dart';
+import 'package:tmail_ui_user/features/upload/domain/model/upload_task_id.dart';
+import 'package:tmail_ui_user/features/upload/domain/state/attachment_upload_state.dart';
+import 'package:dio/dio.dart';
+
+class UploadAttachment extends Equatable {
+
+  final UploadTaskId uploadTaskId;
+  final FileInfo fileInfo;
+  final Uri uploadUri;
+  final FileUploader fileUploader;
+  final CancelToken? cancelToken;
+
+  final StreamController<Either<Failure, Success>> _progressStateController
+    = StreamController<Either<Failure, Success>>.broadcast();
+  Stream<Either<Failure, Success>> get progressState => _progressStateController.stream;
+
+  UploadAttachment(
+    this.uploadTaskId,
+    this.fileInfo,
+    this.uploadUri,
+    this.fileUploader,
+    {this.cancelToken});
+
+  void _updateEvent(Either<Failure, Success> flowUploadState) {
+    _progressStateController.add(flowUploadState);
+  }
+
+  Future<void> upload() async {
+    log('UploadFile::upload(): $uploadTaskId');
+    _updateEvent(Right(PendingAttachmentUploadState(uploadTaskId, 0, fileInfo.fileSize)));
+
+    final attachment = await fileUploader.uploadAttachment(
+        uploadTaskId,
+        _progressStateController,
+        fileInfo,
+        uploadUri,
+        cancelToken: cancelToken);
+
+    if (cancelToken?.isCancelled == true) {
+      _updateEvent(Left(CancelAttachmentUploadState(uploadTaskId)));
+      await _progressStateController.close();
+      return;
+    }
+
+    if (attachment != null) {
+      _updateEvent(Right(SuccessAttachmentUploadState(uploadTaskId, attachment)));
+    } else {
+      _updateEvent(Left(ErrorAttachmentUploadState(uploadTaskId)));
+    }
+    await _progressStateController.close();
+  }
+
+  @override
+  List<Object?> get props => [uploadTaskId, fileInfo, uploadUri];
+}
@@ -0,0 +1,13 @@
+
+import 'package:equatable/equatable.dart';
+
+class UploadTaskId extends Equatable {
+  final String id;
+
+  const UploadTaskId(this.id);
+
+  factory UploadTaskId.undefined() => const UploadTaskId('');
+
+  @override
+  List<Object> get props => [id];
+}