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