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2026-10-15 20:36:59 +08:00
commit 6bf949949c
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+import 'package:dio/dio.dart';
+
+import '../core/network/api_client.dart';
+import '../core/network/endpoints.dart';
+
+/// 上传发布服务（《03-接口文档》5.5 / 5.6 / 5.8）
+/// 开发环境链路：upload/token（server 中转模式）→ upload/file（multipart）→ 发布
+class UploadService {
+  UploadService._();
+
+  /// 5.8 分类列表（发布时选择）
+  static Future<List<VideoCategory>> fetchCategories() async {
+    final data = await ApiClient.get<List<dynamic>>(Endpoints.categories);
+    return data
+        .whereType<Map<String, dynamic>>()
+        .map(VideoCategory.fromJson)
+        .toList();
+  }
+
+  /// 5.5 获取上传凭证（开发环境返回 server 中转模式）
+  static Future<UploadTokenInfo> fetchUploadToken({
+    required String fileName,
+    required int fileSize,
+  }) async {
+    final data = await ApiClient.post<Map<String, dynamic>>(
+      Endpoints.uploadToken,
+      data: {'file_name': fileName, 'file_size': fileSize},
+    );
+    return UploadTokenInfo.fromJson(data);
+  }
+
+  /// 5.5 配套：multipart 中转上传（字段 object_key + file）
+  static Future<UploadFileResult> uploadFile({
+    required String objectKey,
+    required String filePath,
+    required String fileName,
+    void Function(int sent, int total)? onProgress,
+  }) async {
+    final data = await ApiClient.post<Map<String, dynamic>>(
+      Endpoints.uploadFile,
+      data: FormData.fromMap({
+        'object_key': objectKey,
+        'file': await MultipartFile.fromFile(filePath, filename: fileName),
+      }),
+      onSendProgress: onProgress,
+    );
+    return UploadFileResult.fromJson(data);
+  }
+
+  /// 5.6 发布视频
+  static Future<PublishResult> publish({
+    required String objectKey,
+    required String title,
+    String description = '',
+    required int categoryId,
+    List<String> tags = const [],
+  }) async {
+    final data = await ApiClient.post<Map<String, dynamic>>(
+      Endpoints.publish,
+      data: {
+        'object_key': objectKey,
+        'title': title,
+        'description': description,
+        'category_id': categoryId,
+        'tags': tags,
+      },
+    );
+    return PublishResult.fromJson(data);
+  }
+}
+
+/// 视频分类
+class VideoCategory {
+  VideoCategory({required this.categoryId, required this.name});
+
+  final int categoryId;
+  final String name;
+
+  factory VideoCategory.fromJson(Map<String, dynamic> json) => VideoCategory(
+        categoryId: (json['category_id'] as num?)?.toInt() ?? 0,
+        name: (json['name'] as String?) ?? '',
+      );
+}
+
+/// 上传凭证（server 中转模式）
+class UploadTokenInfo {
+  UploadTokenInfo({
+    required this.uploadType,
+    required this.objectKey,
+    required this.uploadUrl,
+  });
+
+  final String uploadType; // server / oss_sts
+  final String objectKey;
+  final String uploadUrl;
+
+  factory UploadTokenInfo.fromJson(Map<String, dynamic> json) =>
+      UploadTokenInfo(
+        uploadType: (json['upload_type'] as String?) ?? '',
+        objectKey: (json['object_key'] as String?) ?? '',
+        uploadUrl: (json['upload_url'] as String?) ?? '',
+      );
+}
+
+/// 中转上传结果
+class UploadFileResult {
+  UploadFileResult({
+    required this.objectKey,
+    required this.url,
+    required this.fileSize,
+  });
+
+  final String objectKey;
+  final String url;
+  final int fileSize;
+
+  factory UploadFileResult.fromJson(Map<String, dynamic> json) =>
+      UploadFileResult(
+        objectKey: (json['object_key'] as String?) ?? '',
+        url: (json['url'] as String?) ?? '',
+        fileSize: (json['file_size'] as num?)?.toInt() ?? 0,
+      );
+}
+
+/// 发布结果
+class PublishResult {
+  PublishResult({
+    required this.videoId,
+    required this.status,
+    required this.statusText,
+    required this.isPriority,
+  });
+
+  final int videoId;
+  final int status; // 0转码中 1待审核 2已发布 3拒绝 4下架 5转码失败
+  final String statusText;
+  final bool isPriority; // 会员优先转码
+
+  factory PublishResult.fromJson(Map<String, dynamic> json) => PublishResult(
+        videoId: (json['video_id'] as num?)?.toInt() ?? 0,
+        status: (json['status'] as num?)?.toInt() ?? 0,
+        statusText: (json['status_text'] as String?) ?? '',
+        isPriority: (json['is_priority'] as bool?) ?? false,
+      );
+}