demo/xinhuaribao/lib/provider/video_detail_provider.dart

import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:news_app/constant/api_const.dart';
import 'package:news_app/model/video_new_model.dart';

import '../http/http_util.dart';
import '../http/model_parser.dart';

/// @author: bo.zeng
/// @email: cnhbwds@gmail.com
/// @date: 2025 2025/4/16 20:20
/// @description:
class VideoDetailProvider extends Notifier<VideoNewModel> {
  @override
  VideoNewModel build() {
    return VideoNewModel();
  }

  Future<void> fetchVideoDetail(String videoId) async {
    final jsonData = await HttpUtil().get(
      apiVideoDetail,
      queryParameters: {"vid": videoId},
    );

    final data = ModelParser.parseObject<VideoNewModel>(
      jsonData,
      VideoNewModel.fromJson,
    );
    state = data;
  }

  void likeVideo(bool current) {
    if (current) {
      state = state.copyWith(likeCount: state.likeCount! - 1, isLiked: false);
    } else {
      state = state.copyWith(likeCount: state.likeCount! + 1, isLiked: true);
    }
  }

  void favoriteVideo(bool current) {
    if (current) {
      state = state.copyWith(
        favoriteCount: state.favoriteCount! - 1,
        isFavorite: false,
      );
    } else {
      state = state.copyWith(
        favoriteCount: state.favoriteCount! + 1,
        isFavorite: true,
      );
    }
  }
}