147 lines
4.1 KiB
Dart
147 lines
4.1 KiB
Dart
import 'package:dio/dio.dart';
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import '../models/media_asset.dart';
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import 'api_client.dart';
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/// 媒体资源管理服务：媒体资产与排行榜。
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///
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/// 对接真实「爱视后台」：
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/// - 媒体资产：/api/sys/mediaAsset/*
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/// - 媒体排行榜：/api/sys/mediaAssetRank/*
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class MediaService {
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MediaService({Dio? dio}) : _dio = dio ?? ApiClient.instance.dio;
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final Dio _dio;
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// ================ 媒体资产管理 ================
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/// 获取媒体资产列表（分页）。
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///
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/// GET /sys/mediaAsset/list?page=&limit=
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Future<List<MediaAsset>> getMediaAssetList({
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int page = 1,
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int limit = 20,
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}) async {
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final response = await _dio.get<dynamic>(
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'/sys/mediaAsset/list',
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queryParameters: {'page': page, 'limit': limit},
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);
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final list = _extractList(response.data);
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return list
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.whereType<Map<String, dynamic>>()
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.map(MediaAsset.fromJson)
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.toList();
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}
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/// 获取媒体资产详情。
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///
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/// GET /sys/mediaAsset/info/{id}
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Future<MediaAsset> getMediaAssetInfo(String id) async {
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final response = await _dio.get<dynamic>('/sys/mediaAsset/info/$id');
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final data = response.data;
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if (data is! Map<String, dynamic>) {
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throw ApiException(500, '媒体资产信息加载失败：$id');
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}
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return MediaAsset.fromJson(data);
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}
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/// 新增或修改媒体资产。
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///
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/// POST /sys/mediaAsset/save，body 为媒体数据。
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Future<void> saveMediaAsset(Map<String, dynamic> data) async {
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await _dio.post<dynamic>('/sys/mediaAsset/save', data: data);
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}
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/// 批量删除媒体资产。
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///
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/// POST /sys/mediaAsset/delete，body 为 `{ids: [...]}`。
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Future<void> deleteMediaAsset(List<int> ids) async {
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await _dio.post<dynamic>(
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'/sys/mediaAsset/delete',
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data: {'ids': ids},
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);
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}
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// ================ 媒体排行榜 ================
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/// 获取媒体排行榜 Top 10。
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///
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/// GET /sys/mediaAssetRank/top10
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Future<List<MediaRankItem>> getMediaAssetRankTop10() async {
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final response = await _dio.get<dynamic>('/sys/mediaAssetRank/top10');
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final list = _extractList(response.data);
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return list
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.whereType<Map<String, dynamic>>()
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.map(MediaRankItem.fromJson)
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.toList();
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}
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/// 设置排行榜（批量设置，覆盖原有列表）。
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///
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/// POST /sys/mediaAssetRank/set，body 为 `{codeList: [...]}`。
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Future<void> setMediaAssetRank(List<String> codeList) async {
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await _dio.post<dynamic>(
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'/sys/mediaAssetRank/set',
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data: {'codeList': codeList},
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);
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}
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/// 从排行榜移除指定媒体。
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///
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/// POST /sys/mediaAssetRank/remove，body 为 `{code: ...}`。
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Future<void> removeMediaAssetRank(String code) async {
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await _dio.post<dynamic>(
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'/sys/mediaAssetRank/remove',
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data: {'code': code},
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);
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}
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/// 将指定媒体上移一位。
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///
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/// POST /sys/mediaAssetRank/moveUp，body 为 `{code: ...}`。
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Future<void> moveUpMediaAssetRank(String code) async {
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await _dio.post<dynamic>(
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'/sys/mediaAssetRank/moveUp',
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data: {'code': code},
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);
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}
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/// 将指定媒体下移一位。
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///
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/// POST /sys/mediaAssetRank/moveDown，body 为 `{code: ...}`。
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Future<void> moveDownMediaAssetRank(String code) async {
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await _dio.post<dynamic>(
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'/sys/mediaAssetRank/moveDown',
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data: {'code': code},
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);
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}
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/// 清空排行榜。
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///
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/// POST /sys/mediaAssetRank/clear
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Future<void> clearMediaAssetRank() async {
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await _dio.post<dynamic>('/sys/mediaAssetRank/clear');
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}
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// ================ 工具方法 ================
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/// 兼容列表响应的三种形态：
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/// `{list: [...], totalCount}` / `{page: {list, totalCount}}` / 直接数组。
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static List<dynamic> _extractList(dynamic data) {
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if (data is List) {
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return data;
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}
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if (data is Map<String, dynamic>) {
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final list = data['list'];
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if (list is List) {
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return list;
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}
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final page = data['page'];
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if (page is Map<String, dynamic> && page['list'] is List) {
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return page['list'] as List;
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}
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}
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return const <dynamic>[];
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}
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}
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