feat: add video batch upload queue

lib/upload_video/video_batch_upload_task.dart

@@ -0,0 +1,123 @@
+import 'dart:io';
+import 'dart:typed_data';
+
+import 'package:dio/dio.dart';
+
+typedef VideoBatchUploadProgressCallback = void Function(double progress);
+
+typedef VideoBatchUploadUploadTask = Future<String> Function(
+  VideoBatchUploadTask task,
+  VideoBatchUploadProgressCallback onProgress,
+);
+
+typedef VideoBatchUploadSaveTask = Future<bool> Function(
+  VideoBatchUploadTask task,
+);
+
+enum VideoBatchUploadStatus {
+  waiting,
+  uploading,
+  uploaded,
+  saving,
+  completed,
+  failed,
+}
+
+extension VideoBatchUploadStatusText on VideoBatchUploadStatus {
+  String get label {
+    switch (this) {
+      case VideoBatchUploadStatus.waiting:
+        return '等待中';
+      case VideoBatchUploadStatus.uploading:
+        return '上传中';
+      case VideoBatchUploadStatus.uploaded:
+        return '上传成功';
+      case VideoBatchUploadStatus.saving:
+        return '入库中';
+      case VideoBatchUploadStatus.completed:
+        return '已完成';
+      case VideoBatchUploadStatus.failed:
+        return '失败';
+    }
+  }
+}
+
+class VideoBatchUploadTask {
+  VideoBatchUploadTask({
+    required this.id,
+    required this.file,
+    required this.fileName,
+    required this.fileSize,
+    required this.duration,
+    this.thumbnail,
+  });
+
+  final String id;
+  final File file;
+  final String fileName;
+  final int fileSize;
+  final int duration;
+  final Uint8List? thumbnail;
+
+  VideoBatchUploadStatus status = VideoBatchUploadStatus.waiting;
+  double progress = 0;
+  String uploadUrl = '';
+  String errorMessage = '';
+  CancelToken? cancelToken;
+
+  String get ossUrl => uploadUrl;
+
+  set ossUrl(String value) {
+    uploadUrl = value;
+  }
+
+  bool get isActive =>
+      status == VideoBatchUploadStatus.waiting ||
+      status == VideoBatchUploadStatus.uploading ||
+      status == VideoBatchUploadStatus.uploaded ||
+      status == VideoBatchUploadStatus.saving;
+
+  bool get canRetry => status == VideoBatchUploadStatus.failed;
+
+  bool get canRemove =>
+      status == VideoBatchUploadStatus.waiting ||
+      status == VideoBatchUploadStatus.completed ||
+      status == VideoBatchUploadStatus.failed;
+
+  String get fileSizeText {
+    if (fileSize <= 0) {
+      return '';
+    }
+    final double mb = fileSize / 1024 / 1024;
+    if (mb >= 1) {
+      return '${mb.toStringAsFixed(1)}MB';
+    }
+    final double kb = fileSize / 1024;
+    return '${kb.toStringAsFixed(0)}KB';
+  }
+
+  String get durationText {
+    if (duration <= 0) {
+      return '';
+    }
+    final int minutes = duration ~/ 60;
+    final int seconds = duration % 60;
+    return '${minutes.toString().padLeft(2, '0')}:${seconds.toString().padLeft(2, '0')}';
+  }
+
+  Map<String, dynamic> toVideoPayload({
+    String urlKey = 'fileURL',
+    String fileNameKey = 'fileName',
+    String durationKey = 'duration',
+  }) {
+    return <String, dynamic>{
+      urlKey: uploadUrl,
+      fileNameKey: fileName,
+      if (duration > 0) durationKey: duration,
+    };
+  }
+
+  Map<String, dynamic> toLibraryVideoPayload() {
+    return toVideoPayload();
+  }
+}