xiaomusic/xiaomusic/static/app.js

$(function(){
  $container=$("#cmds");

  const PLAY_TYPE_ONE = 0; // 单曲循环
  const PLAY_TYPE_ALL = 1; // 全部循环
  const PLAY_TYPE_RND = 2; // 随机播放
  append_op_button("play_type_all", "全部循环", "全部循环");
  append_op_button("play_type_one", "单曲循环", "单曲循环");
  append_op_button("play_type_rnd", "随机播放", "随机播放");

  append_op_button_name("刷新列表");
  append_op_button_name("下一首");
  append_op_button_name("关机");

  $container.append($("<hr>"));

  append_op_button_name("10分钟后关机");
  append_op_button_name("30分钟后关机");
  append_op_button_name("60分钟后关机");

  // 拉取现有配置
  $.get("/getsetting", function(data, status) {
    console.log(data, status);
    localStorage.setItem('mi_did', data.mi_did);

    var did = localStorage.getItem('cur_did');
    var dids = [];
    if (data.mi_did != null) {
      dids = data.mi_did.split(',');
    }
    console.log('cur_did', did);
    console.log('dids', dids);
    if ((dids.length > 0) && (did == null || did == "" || !dids.includes(did))) {
      did = dids[0];
      localStorage.setItem('cur_did', did);
    }

    window.did = did;
    $.get(`/getvolume?did=${did}`, function(data, status) {
      console.log(data, status, data["volume"]);
      $("#volume").val(data.volume);
    });
    refresh_music_list();

    $("#did").empty();
    var dids = data.mi_did.split(',');
    $.each(dids, function(index, value) {
      var cur_device = Object.values(data.devices).find(device => device.did === value);
      if (cur_device) {
        var option = $('<option></option>')
            .val(value)
            .text(cur_device.name)
            .prop('selected', value === did);
        $("#did").append(option);

        if (cur_device.play_type == PLAY_TYPE_ALL) {
          $("#play_type_all").css('background-color', '#b1a8f3');
          $("#play_type_all").text('✔️ 全部循环');
        } else if (cur_device.play_type == PLAY_TYPE_ONE) {
          $("#play_type_one").css('background-color', '#b1a8f3');
          $("#play_type_one").text('✔️ 单曲循环');
        } else if (cur_device.play_type == PLAY_TYPE_RND) {
          $("#play_type_rnd").css('background-color', '#b1a8f3');
          $("#play_type_rnd").text('✔️ 随机播放');
        }
      }
    });

    console.log('cur_did', did);
    $('#did').change(function() {
      did = $(this).val();
      localStorage.setItem('cur_did', did);
      window.did = did;
      console.log('cur_did', did);
    })
  });

  // 拉取版本
  $.get("/getversion", function(data, status) {
    console.log(data, status, data["version"]);
    $("#version").text(`${data.version}`);
  });

  // 拉取播放列表
  function refresh_music_list() {
    $('#music_list').empty();
    $.get("/musiclist", function(data, status) {
      console.log(data, status);
      $.each(data, function(key, value) {
        $('#music_list').append($('<option></option>').val(key).text(key));
      });

      $('#music_list').change(function() {
        const selectedValue = $(this).val();
        $('#music_name').empty();
        const sorted_musics = data[selectedValue].sort(custom_sort_key);
        $.each(sorted_musics, function(index, item) {
          $('#music_name').append($('<option></option>').val(item).text(item));
        });
      });

      $('#music_list').trigger('change');

      // 获取当前播放列表
      $.get(`curplaylist?did=${did}`, function(data, status) {
        if (data != "") {
          $('#music_list').val(data);
          $('#music_list').trigger('change');
        }
      })
    })

    // 每3秒获取下正在播放的音乐
    get_playing_music();
    setInterval(() => {
      get_playing_music();
    }, 3000);
  }

  $("#play_music_list").on("click", () => {
    var music_list = $("#music_list").val();
    var music_name = $("#music_name").val();
    let cmd = "播放列表" + music_list + "|" + music_name;
    sendcmd(cmd);
  });

  $("#del_music").on("click", () => {
    var del_music_name = $("#music_name").val();
    if (confirm(`确定删除歌曲 ${del_music_name} 吗？`)) {
      console.log(`删除歌曲 ${del_music_name}`);
      $.ajax({
        type: 'POST',
        url: '/delmusic',
        data: JSON.stringify({"name": del_music_name}),
        contentType: "application/json; charset=utf-8",
        success: () => {
          alert(`删除 ${del_music_name} 成功`);
          refresh_music_list();
        },
        error: () => {
          alert(`删除 ${del_music_name} 失败`);
        }
      });
    }
  });

  $("#playurl").on("click", () => {
    var url = $("#music-url").val();
    $.get(`/playurl?url=${url}&did=${did}`, function(data, status) {
      console.log(data);
    });
  });

  function append_op_button_name(name) {
    append_op_button(null, name, name);
  }

  function append_op_button(id, name, cmd) {
    // 创建按钮
    const $button = $("<button>");
    $button.text(name);
    $button.attr("type", "button");
    if (id !== null) {
      $button.attr("id", id);
    }

    // 设置按钮点击事件
    $button.on("click", () => {
      sendcmd(cmd);
    });

    // 添加按钮到容器
    $container.append($button);
  }

  $("#play").on("click", () => {
    var search_key = $("#music-name").val();
    var filename = $("#music-filename").val();
    let cmd = "播放歌曲" + search_key + "|" + filename;
    sendcmd(cmd);
  });

  $("#volume").on('change', function () {
    var value = $(this).val();
    $.ajax({
      type: "POST",
      url: "/setvolume",
      contentType: "application/json; charset=utf-8",
      data: JSON.stringify({did: did, volume: value}),
      success: () => {
      },
      error: () => {
      }
    });
  });

  function sendcmd(cmd) {
    $.ajax({
      type: "POST",
      url: "/cmd",
      contentType: "application/json; charset=utf-8",
      data: JSON.stringify({did: did, cmd: cmd}),
      success: () => {
        if (cmd == "刷新列表") {
          setTimeout(refresh_music_list, 3000);
        }
        if (["全部循环", "单曲循环", "随机播放"].includes(cmd)) {
          location.reload();
        }
      },
      error: () => {
        // 请求失败时执行的操作
      }
    });
  }

  // 监听输入框的输入事件
  $("#music-name").on('input', function() {
    var inputValue = $(this).val();
    // 发送Ajax请求
    $.ajax({
      url: "searchmusic", // 服务器端处理脚本
      type: "GET",
      dataType: "json",
      data: {
        name: inputValue
      },
      success: function(data) {
        // 清空datalist
        $("#autocomplete-list").empty();
        // 添加新的option元素
        $.each(data, function(i, item) {
          $('<option>').val(item).appendTo("#autocomplete-list");
        });
      }
    });
  });

  function get_playing_music() {
    $.get(`/playingmusic?did=${did}`, function(data, status) {
      console.log(data);
      if (data.ret == "OK") {
        if (data.is_playing) {
          $("#playering-music").text(`【播放中】 ${data.cur_music}`);
        } else {
          $("#playering-music").text(`【空闲中】 ${data.cur_music}`);
        }
      }
    });
  }

  function custom_sort_key(a, b) {
    // 使用正则表达式提取数字前缀
    const numericPrefixA = a.match(/^(\d+)/) ? parseInt(a.match(/^(\d+)/)[1], 10) : null;
    const numericPrefixB = b.match(/^(\d+)/) ? parseInt(b.match(/^(\d+)/)[1], 10) : null;

    // 如果两个键都有数字前缀，则按数字大小排序
    if (numericPrefixA !== null && numericPrefixB !== null) {
      return numericPrefixA - numericPrefixB;
    }

    // 如果一个键有数字前缀而另一个没有，则有数字前缀的键排在前面
    if (numericPrefixA !== null) return -1;
    if (numericPrefixB !== null) return 1;

    // 如果两个键都没有数字前缀，则按照常规字符串排序
    return a.localeCompare(b);
  }

});