allSongsView.dart

// ignore_for_file: prefer_const_constructors, camel_case_types, file_names, invalid_use_of_protected_member, prefer_const_literals_to_create_immutables, sized_box_for_whitespace, use_build_context_synchronously, unused_element, avoid_unnecessary_containers

import 'dart:io';

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:netplayer_mobile/components/operations.dart';
import 'package:netplayer_mobile/functions/requests.dart';
import 'package:netplayer_mobile/para/para.dart';

class allSongsView extends StatefulWidget {
  const allSongsView({super.key, required this.audioHandler});
  final dynamic audioHandler;

  @override
  State<allSongsView> createState() => _allSongsViewState();
}

class _allSongsViewState extends State<allSongsView> {
  final Controller c = Get.put(Controller());
  final ScrollController myScrollController=ScrollController();

  // List songList=[];

  void scrollToNowPlay(){
    if(c.playInfo['name']=='allSongs' && myScrollController.hasClients){
      myScrollController.animateTo(
        (c.playInfo['index']-1)*60.0,
        duration: Duration(milliseconds: 300), 
        curve: Curves.easeInOut
      );
    }
  }

  Future<void> getLovedSongs() async {
    if(c.lovedSongs.isEmpty){
      var tmp=await lovedSongRequest();
      c.updateLovedSongs(tmp);
    }
  }

  Future<void> reloadLoved() async {
    var tmp=await lovedSongRequest();
    c.updateLovedSongs(tmp);

    if(c.playInfo["name"]=="lovedSongs"){
      int index = c.lovedSongs.indexWhere((element) => element["id"] == c.playInfo["id"]);
      if(index==-1){
        widget.audioHandler.stop();
        c.updatePlayInfo({});
        return;
      }
      var tmpPlayInfo=c.playInfo.value;
      tmpPlayInfo["index"]=index;
      tmpPlayInfo["list"]=c.lovedSongs.value;
      c.updatePlayInfo(tmpPlayInfo);
    }
  }


  Future<void> getList() async {
    getLovedSongs();
    if(c.allSongs.value.isEmpty){
      var tmp=await allSongsRequest();
      if(tmp["status"]=="URL Err"){
        // 请求超时/错误
        if(Platform.isIOS){
          showCupertinoDialog(
            context: context,
            builder: (BuildContext context) {
              return CupertinoAlertDialog(
                title: Text("请求超时/错误，是否重试？"),
                content: Text("请求时间超过3秒"),
                actions: <Widget>[
                  CupertinoDialogAction(
                    child: Text('退出登录'),
                    onPressed: () {
                      c.updateLogin(false);
                      Navigator.of(context).pop();
                    },
                  ),
                  CupertinoDialogAction(
                    child: Text('重试'),
                    onPressed: () async {
                      getList();
                      Navigator.of(context).pop();
                    },
                  )
                ],
              );
            },
          );
        }else{
          showDialog(
            context: context,
            builder: (BuildContext context) {
              return AlertDialog(
                title: Text("请求超时/错误，是否重试？"),
                content: Text("请求时间超过3秒"),
                actions: <Widget>[
                  TextButton(
                    child: Text('退出登录'),
                    onPressed: () {
                      c.updateLogin(false);
                      Navigator.of(context).pop();
                    },
                  ),
                  TextButton(
                    child: Text('重试'),
                    onPressed: () async {
                      getList();
                      Navigator.of(context).pop();
                    },
                  )
                ],
              );
            },
          );
        }
      }else if(tmp["status"]!="ok"){
        c.updateLogin(false);
      }else{
        var tmpList=tmp["randomSongs"]["song"];
        tmpList.sort((a, b) {
          DateTime dateTimeA = DateTime.parse(a['created']);
          DateTime dateTimeB = DateTime.parse(b['created']);
          return dateTimeB.compareTo(dateTimeA);
        });
        // setState(() {
        //   songList=tmpList;
        // });
        c.updateAllSongs(tmpList);
        // print("请求+1");
      }
    }
    // }else{
    //   setState(() {
    //     songList=c.allSongs.value;
    //   });
    // }
    // print(songList.length);
  }

  @override
  void initState() {
    super.initState();
    WidgetsBinding.instance.addPostFrameCallback((_) {
      // 这个回调会在Widget构建完毕后被触发
      getList();
    });
    if(c.playInfo["name"]=="allSongs"){
      reloadHandler();
    }
  }

  Future<void> reloadHandler() async {
    // print("重新载入所有歌曲");
    var tmp=await allSongsRequest();
    var tmpList=tmp["randomSongs"]["song"];
    tmpList.sort((a, b) {
      DateTime dateTimeA = DateTime.parse(a['created']);
      DateTime dateTimeB = DateTime.parse(b['created']);
      return dateTimeB.compareTo(dateTimeA);
    });
    c.updateAllSongs(tmpList);
    reloadLoved();

    if(c.playInfo["name"]=="allSongs"){
      int index = c.allSongs.indexWhere((element) => element["id"] == c.playInfo["id"]);
      if(index==-1){
        widget.audioHandler.stop();
        c.updatePlayInfo({});
        return;
      }
      var tmpPlayInfo=c.playInfo.value;
      tmpPlayInfo["index"]=index;
      tmpPlayInfo["list"]=c.allSongs.value;
      c.updatePlayInfo(tmpPlayInfo);
    }
  }

  Future<void> reloadList(BuildContext context) async {
    if(Platform.isIOS){
      showCupertinoDialog(
        context: context,
        builder: (BuildContext context) {
          return CupertinoAlertDialog(
            title: Text("确定要刷新所有歌曲列表吗?"),
            actions: <Widget>[
              CupertinoDialogAction(
                child: Text('取消'),
                onPressed: () {
                  Navigator.of(context).pop();
                },
              ),
              CupertinoDialogAction(
                child: Text('确定'),
                onPressed: () async {
                  reloadHandler();
                  Navigator.of(context).pop();
                },
              )
            ],
          );
        },
      );
    }else{
      showDialog(
        context: context,
        builder: (BuildContext context) {
          return AlertDialog(
            title: Text("确定要刷新所有歌曲列表吗?"),
            actions: <Widget>[
              TextButton(
                child: Text('取消'),
                onPressed: () {
                  Navigator.of(context).pop();
                },
              ),
              TextButton(
                child: Text('确定'),
                onPressed: () {
                  reloadHandler();
                  Navigator.of(context).pop();
                },
              )
            ],
          );
        },
      );
    }
  }

  void overCountDialog(BuildContext context){
    if(Platform.isIOS){
      showCupertinoDialog(
        context: context,
        builder: (BuildContext context) {
          return CupertinoAlertDialog(
            title: Text("显示的歌曲可能不完全"),
            content: Text("Subsonic API能够一次性获取到的歌曲数量最多为500首，因此你看到的所有歌曲为随机的500首歌曲经过排序得到的"),
            actions: <Widget>[
              CupertinoDialogAction(
                child: Text('好的'),
                onPressed: () async {
                  Navigator.of(context).pop();
                },
              )
            ],
          );
        },
      );
    }else{
      showDialog(
        context: context,
        builder: (BuildContext context) {
          return AlertDialog(
            title: Text("显示的歌曲可能不完全"),
            content: Text("Subsonic API能够一次性获取到的歌曲数量最多为500首，因此你看到的所有歌曲为随机的500首歌曲经过排序得到的"),
            actions: <Widget>[
              TextButton(
                child: Text('好的'),
                onPressed: () {
                  Navigator.of(context).pop();
                },
              )
            ],
          );
        },
      );
    }
  }

  @override
  Widget build(BuildContext context) {
    return Column(
      children: [
        Container(
          width: MediaQuery.of(context).size.width,
          height: 30,
          color: Colors.white,
          child: Obx(() => 
            Stack(
              children: [
                Center(
                  child: Row(
                    mainAxisAlignment: MainAxisAlignment.center,
                    crossAxisAlignment: CrossAxisAlignment.center,
                    children: [
                      Obx(() => 
                        GestureDetector(
                          onTap: (){
                            scrollToNowPlay();
                          },
                          child: Icon(
                            Icons.my_location_rounded,
                            color: c.pageAsycEn[c.pageIndex]==c.playInfo['name'] ? c.mainColor : Colors.grey[500],
                            size: 22,
                          ),
                        ),
                      ),
                      SizedBox(width: 8,),
                      Text(
                        c.allSongs.length >= 500 ? "合计≥500首歌曲" : "合计${c.allSongs.length}首歌", 
                        style: TextStyle(color: c.mainColor),
                      ),
                      SizedBox(width: 8,),
                      GestureDetector(
                        onTap: (){
                          reloadList(context);
                        },
                        child: Icon(
                          Icons.refresh,
                          color: c.mainColor,
                          size: 22,
                        ),
                      )
                    ],
                  ),
                ),
                c.allSongs.length >=500 ?
                Center(
                  child: Row(
                    children: [
                      Expanded(child: Container()),
                      GestureDetector(
                        onTap: (){
                          overCountDialog(context);
                        },
                        child: Icon(
                          Icons.warning,
                          color: c.mainColor,
                          size: 20,
                        ),
                      ),
                      SizedBox(width: 20,)
                    ],
                  ),
                ) : Container()
              ],
            ),
          )
        ),
        Expanded(
          child: CupertinoScrollbar(
            controller: myScrollController,
            child: Obx(() => 
              ListView.builder(
                controller: myScrollController,
                itemCount: c.allSongs.length,
                itemBuilder: (BuildContext context, int index){
                  return GestureDetector(
                    onTap: (){
                      playSong(c.allSongs[index], index, "allSongs", widget.audioHandler);
                    },
                    child: Padding(
                      padding: const EdgeInsets.fromLTRB(10,0,10,0),
                      child: Container(
                        height: 60,
                        color: Colors.white,
                        child: Row(
                          crossAxisAlignment: CrossAxisAlignment.center,
                          children: [
                            SizedBox(
                              width: 40,
                              child: Center(
                                child: Row(
                                  mainAxisAlignment: MainAxisAlignment.center,
                                  children: [
                                    Obx(() => 
                                      c.playInfo.isNotEmpty && c.playInfo["name"]=="allSongs" && c.playInfo["index"]==index ? 
                                      Icon(
                                        Icons.play_arrow_rounded,
                                        color: c.mainColor,
                                      ) : 
                                      Text(
                                        (index+1).toString(),
                                        style: TextStyle(
                                          color: Colors.grey,
                                        ),
                                      )
                                    ),
                                    SizedBox(width: 5,)
                                  ],
                                ),
                              ),
                            ),
                            Expanded(
                              child: Column(
                                crossAxisAlignment: CrossAxisAlignment.start,
                                mainAxisAlignment: MainAxisAlignment.center,
                                children: [
                                  Obx(() =>
                                    c.playInfo.isNotEmpty && c.playInfo["name"]=="allSongs" && c.playInfo["index"]==index ? 
                                    Text(
                                      c.allSongs[index]["title"],
                                      overflow: TextOverflow.ellipsis,
                                      style: TextStyle(
                                        fontWeight: FontWeight.bold,
                                        fontSize: 16,
                                        color: c.mainColor
                                      ),
                                    ) : 
                                    Text(
                                      c.allSongs[index]["title"],
                                      overflow: TextOverflow.ellipsis,
                                      style: TextStyle(
                                        fontWeight: FontWeight.bold,
                                        fontSize: 16
                                      ),
                                    )
                                  ),
                                  Row(
                                    children: [
                                      Obx(() => 
                                        c.fav(c.allSongs[index]["id"])==false ? 
                                        Container() : 
                                        Row(
                                          children: [
                                            Icon(
                                              Icons.favorite,
                                              size: 15,
                                              color: Colors.red,
                                            ),
                                            SizedBox(width: 5,)
                                          ],
                                        ),
                                      ),
                                      Expanded(
                                        child: Obx(() => 
                                          c.playInfo.isNotEmpty && c.playInfo["name"]=="allSongs" && c.playInfo["index"]==index ? 
                                          Text(
                                            c.allSongs[index]["artist"],
                                            overflow: TextOverflow.ellipsis,
                                            style: TextStyle(
                                              fontSize: 14,
                                              color: c.mainColor
                                            )
                                          ) : 
                                          Text(
                                            c.allSongs[index]["artist"],
                                            overflow: TextOverflow.ellipsis,
                                            style: TextStyle(
                                              fontSize: 14,
                                              color: Colors.grey
                                            )
                                          )
                                        ),
                                      ),
                                    ],
                                  )
                                ],
                              )
                            ),
                            GestureDetector(
                              onTap: (){
                                showModalBottomSheet<void>(
                                  context: context,
                                  backgroundColor: Colors.transparent,
                                  builder: (BuildContext context) {
                                    return moreOperations(
                                      item: c.allSongs[index], 
                                      index: index, 
                                      pageName: "allSongs", 
                                      audioHandler: widget.audioHandler,
                                      reloadLoved: reloadLoved, 
                                      playSong: ()=>playSong(c.allSongs[index], index, "allSongs", widget.audioHandler),
                                    );
                                  },
                                );
                              },
                              child: Container(
                                color: Colors.white,
                                width: 50,
                                height: double.infinity,
                                child: Center(
                                  child: Row(
                                    mainAxisAlignment: MainAxisAlignment.center,
                                    children: [
                                      SizedBox(width: 10,),
                                      Obx(() => 
                                        c.playInfo.isNotEmpty && c.playInfo["name"]=="allSongs" && c.playInfo["index"]==index ? 
                                        Icon(
                                          Icons.more_vert,
                                          size: 20,
                                          color: c.mainColor,
                                        ) : 
                                        Icon(
                                          Icons.more_vert,
                                          size: 20,
                                        )
                                      ),
                                    ],
                                  )
                                ),
                              ),
                            ),
                          ],
                        ),
                      ),
                    ),
                  );
                }
              ),
            ),
          )
        ), 
        SizedBox(height: 70,)
      ],
    );
  }
}