MTMusic/lib/view/rank_view.dart

import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:music_player_miao/common_widget/app_data.dart';
import '../api/api_music_rank.dart';
import '../common/download_manager.dart';
import '../models/getRank_bean.dart';
import '../view_model/rank_view_model.dart';
import 'music_view.dart';
import '../common_widget/Song_widegt.dart';

class RankView extends StatefulWidget {
  const RankView({super.key});

  @override
  State<RankView> createState() => _RankViewState();
}

class _RankViewState extends State<RankView> with AutomaticKeepAliveClientMixin {
  final rankVM = Get.put(RankViewModel());
  List rankNames = [];
  List rankSingerName = [];
  List rankCoverPath = [];
  List rankMusicPath = [];
  List<Song> songs = [];

  final downloadManager = Get.put(DownloadManager());

  @override
  bool get wantKeepAlive => true;

  @override
  void initState() {
    super.initState();
    _fetchTop50Data();
  }

  Future<void> _onRefresh() async {
    await _fetchTop50Data();
  }

  Future<void> _fetchTop50Data() async {
    try {
      RankBean bean2 = await GetRank().getRank(Authorization: AppData().currentToken);
      if (bean2.code != 200) return;
      rankNames.clear();
      rankSingerName.clear();
      rankCoverPath.clear();
      rankMusicPath.clear();

      setState(() {
        List<int> ids = bean2.data!.map((data) => data.id!).toList();
        rankNames = bean2.data!.map((data) => data.name!).toList();
        rankSingerName = bean2.data!.map((data) => data.singerName!).toList();
        rankCoverPath = bean2.data!.map((data) => data.coverPath!).toList();
        rankMusicPath = bean2.data!.map((data) => data.musicPath!).toList();

        for (int i = 0; i < ids.length; i++) {
          print(ids[i]);
        }

        songs.clear();

        if (rankNames.isNotEmpty &&
            rankNames.length == rankSingerName.length &&
            rankNames.length == rankCoverPath.length &&
            rankNames.length == rankMusicPath.length) {
          for (int i = 0; i < rankNames.length; i++) {
            songs.add(Song(
              artistPic: rankCoverPath[i],
              title: rankNames[i],
              artist: rankSingerName[i],
              musicurl: rankMusicPath[i],
              pic: rankCoverPath[i],
              id: ids[i],
              likes: null,
              collection: null,
            ));
          }
        }
      });
    } catch (e) {
      // 可以添加错误处理逻辑
      print('Error fetching data: $e');
    }
  }

  @override
  Widget build(BuildContext context) {
    super.build(context);
    return Container(
      decoration: const BoxDecoration(
        image: DecorationImage(
          image: AssetImage("assets/img/app_bg.png"),
          fit: BoxFit.cover,
        ),
      ),
      child: Scaffold(
        resizeToAvoidBottomInset: false,
        backgroundColor: Colors.transparent,
        body: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            const SizedBox(height: 40),
            //头部
            const Center(
              child: Column(
                children: [
                  SizedBox(
                    height: 10,
                  ),
                  Text(
                    '喵听排行榜',
                    style: TextStyle(fontSize: 22, fontWeight: FontWeight.w400),
                  ),
                  SizedBox(height: 10),
                  Text(
                    'Top50',
                    style: TextStyle(
                        color: Color(0xffCE0000),
                        fontSize: 40,
                        fontWeight: FontWeight.w500),
                  ),
                  // SizedBox(height: 10),
                  // Text(
                  //   '2023/12/12更新  1期',
                  //   style: TextStyle(fontSize: 16, fontWeight: FontWeight.w500),
                  // ),
                ],
              ),
            ),
            const SizedBox(height: 10),
            Container(
              decoration: const BoxDecoration(
                color: Colors.white,
                borderRadius: BorderRadius.only(
                  topLeft: Radius.circular(20),
                  topRight: Radius.circular(20),
                ),
              ),
              child: Row(
                children: [
                  IconButton(
                    onPressed: () {
                      // 播放全部
                      Navigator.push(
                        context,
                        MaterialPageRoute(
                          builder: (context) => MusicView(
                            songList: songs,
                            initialSongIndex: 0,
                            onSongStatusChanged: (index, isCollected, isLiked) {
                              setState(() {
                                songs[index].collection = isCollected;
                                songs[index].likes = isLiked;
                                downloadManager.updateSongInfo(songs[index].id, isCollected, isLiked);
                              });
                            },
                          ),
                        ),
                      );
                    },
                    icon: Image.asset(
                      "assets/img/button_play.png",
                      width: 20,
                      height: 20,
                    ),
                  ),
                  const Text(
                    '播放全部',
                    style: TextStyle(fontSize: 16),
                  ),
                  const SizedBox(width: 5),
                  const Text(
                    '50',
                    style: TextStyle(fontSize: 16),
                  ),
                ],
              ),
            ),
            Expanded(
              child: RefreshIndicator(
                onRefresh: _onRefresh,
                color: const Color(0xff429482),
                child: SingleChildScrollView(
                  physics: const AlwaysScrollableScrollPhysics(), // 修改为始终可滚动
                  child: Container(
                    color: Colors.white,
                    child: Column(
                      children: [
                        ListView.builder(
                          physics: const NeverScrollableScrollPhysics(),
                          shrinkWrap: true,
                          padding: const EdgeInsets.symmetric(
                              vertical: 5, horizontal: 10),
                          itemCount: rankNames.length,
                          itemBuilder: (context, index) {
                            int rankNum = index + 1;
                            return ListTile(
                              onTap: () {
                                Navigator.push(
                                  context,
                                  MaterialPageRoute(
                                    builder: (context) => MusicView(
                                      songList: songs,
                                      initialSongIndex: index,
                                      onSongStatusChanged: (index, isCollected, isLiked) {
                                        setState(() {
                                          songs[index].collection = isCollected;
                                          songs[index].likes = isLiked;
                                          downloadManager.updateSongInfo(songs[index].id, isCollected, isLiked);
                                        });
                                      },
                                    ),
                                  ),
                                );
                              },
                              title: Column(
                                children: [
                                  Row(
                                    children: [
                                      Row(
                                        mainAxisAlignment: MainAxisAlignment.center,
                                        children: [
                                          SizedBox(
                                            width: 25,
                                            child: RichText(
                                              text: TextSpan(
                                                text: rankNum.toString(),
                                                style: const TextStyle(
                                                  fontSize: 20,
                                                  fontWeight: FontWeight.w700,
                                                  color: Color(0xffCE0000),
                                                ),
                                              ),
                                            ),
                                          ),
                                          const SizedBox(width: 10),
                                          ClipRRect(
                                            borderRadius: BorderRadius.circular(10),
                                            child: Image.network(
                                              rankCoverPath[index],
                                              width: 60,
                                              height: 60,
                                              fit: BoxFit.cover,
                                            ),
                                          ),
                                          const SizedBox(width: 20),
                                          SizedBox(
                                            width: 170,
                                            child: Column(
                                              crossAxisAlignment: CrossAxisAlignment.start,
                                              children: [
                                                Text(
                                                  rankNames[index],
                                                  maxLines: 1,
                                                  style: const TextStyle(
                                                      color: Colors.black,
                                                      fontSize: 16,
                                                      fontWeight: FontWeight.w400
                                                  ),
                                                ),
                                                Text(
                                                  rankSingerName[index],
                                                  maxLines: 1,
                                                  style: const TextStyle(
                                                      color: Colors.black,
                                                      fontSize: 14
                                                  ),
                                                )
                                              ],
                                            ),
                                          ),
                                          const SizedBox(width: 18),
                                        ],
                                      ),
                                      IconButton(
                                        onPressed: () {
                                          _bottomSheet(context, index);
                                        },
                                        icon: Image.asset(
                                          'assets/img/More.png',
                                          width: 25,
                                          height: 25,
                                          errorBuilder: (context, error, stackTrace) {
                                            print('Error loading image: $error');
                                            return const Icon(Icons.error, size: 25);
                                          },
                                        ),
                                      ),
                                    ],
                                  ),
                                  const SizedBox(height: 10)
                                ],
                              ),
                            );
                          },
                        ),
                      ],
                    ),
                  ),
                ),
              ),
            )
          ],
        ),
      ),
    );
  }

  Future _bottomSheet(BuildContext context, int index) {
    return showModalBottomSheet(
        context: context,
        backgroundColor: Colors.white,
        shape: const RoundedRectangleBorder(
            borderRadius: BorderRadius.vertical(top: Radius.circular(30))
        ),
        builder: (context) => Container(
          height: 150,
          padding: const EdgeInsets.only(top: 20),
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.stretch,
            children: [
              Row(
                mainAxisAlignment: MainAxisAlignment.spaceEvenly,
                children: [
                  Column(
                    children: [
                      IconButton(
                        onPressed: (){},
                        icon: Image.asset("assets/img/list_add.png"),
                        iconSize: 60,
                      ),
                      const Text("加入歌单")
                    ],
                  ),
                  Column(
                    children: [
                      IconButton(
                        onPressed: (){},
                        icon: Image.asset("assets/img/list_download.png"),
                        iconSize: 60,
                      ),
                      const Text("下载")
                    ],
                  ),
                  Column(
                    children: [
                      IconButton(
                        onPressed: (){},
                        icon: Image.asset("assets/img/list_collection.png"),
                        iconSize: 60,
                      ),
                      const Text("收藏")
                    ],
                  ),
                  Column(
                    children: [
                      IconButton(
                        onPressed: (){},
                        icon: Image.asset("assets/img/list_good.png"),
                        iconSize: 60,
                      ),
                      const Text("点赞")
                    ],
                  ),
                  Column(
                    children: [
                      IconButton(
                        onPressed: (){
                          Navigator.pop(context);
                        },
                        icon: Image.asset("assets/img/list_comment.png"),
                        iconSize: 60,
                      ),
                      const Text("评论")
                    ],
                  ),
                ],
              ),
            ],
          ),
        )
    );
  }
}