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Vecorder

直播间内容记录 https://github.com/Xinrea/Vecorder

// ==UserScript==
// @name         Vecorder
// @namespace    https://www.joi-club.cn/
// @version      0.60
// @description  直播间内容记录 https://github.com/Xinrea/Vecorder
// @author       Xinrea
// @license      MIT
// @match        https://live.bilibili.com/*
// @grant        GM_setValue
// @grant        GM_getValue
// @grant        GM_deleteValue
// @require      https://cdn.staticfile.org/jquery/3.3.1/jquery.min.js
// @require      https://cdn.jsdelivr.net/npm/moment@2.29.1/moment.min.js
// @run-at 		 document-end
// ==/UserScript==

function vlog(msg) {
  console.log("[Vecorder]" + msg);
}

function p(msg) {
  return {
    time: new Date().getTime(),
    content: msg,
  };
}

var dbname = "vdb" + getRoomID();

var db = JSON.parse(GM_getValue(dbname, "[]"));
var Option = JSON.parse(GM_getValue("vop", '{"reltime":false,"toffset":0}'));

function nindexOf(n) {
  for (let i in db) {
    if (!db[i].del && db[i].name == n) return i;
  }
  return -1;
}

function tindexOf(id, t) {
  for (let i in db[id].lives) {
    if (!db[id].lives[i].del && db[id].lives[i].title == t) return i;
  }
  return -1;
}

function gc() {
  for (let i = db.length - 1; i >= 0; i--) {
    if (db[i].del) {
      db.splice(i, 1);
      continue;
    }
    for (let j = db[i].lives.length - 1; j >= 0; j--) {
      if (db[i].lives[j].del) {
        db[i].lives.splice(j, 1);
        continue;
      }
    }
  }
  GM_setValue(dbname, JSON.stringify(db));
}

function addPoint(t, msg) {
  let ltime = t * 1000;
  if (ltime == 0) return;
  let [name, link, title] = getRoomInfo();
  let id = nindexOf(name);
  if (id == -1) {
    db.push({
      name: name,
      link: link,
      del: false,
      lives: [
        {
          title: title,
          time: ltime,
          del: false,
          points: [p(msg)],
        },
      ],
    });
  } else {
    let lid = tindexOf(id, title);
    if (lid == -1) {
      db[id].lives.push({
        title: title,
        time: ltime,
        points: [p(msg)],
      });
    } else {
      db[id].lives[lid].points.push(p(msg));
    }
  }
  GM_setValue(dbname, JSON.stringify(db));
}

function getMsg(body) {
  var vars = body.split("&");
  for (var i = 0; i < vars.length; i++) {
    var pair = vars[i].split("=");
    if (pair[0] == "msg") {
      return decodeURI(pair[1]);
    }
  }
  return false;
}

function getRoomInfo() {
  let resp = $.ajax({
      url: "https://api.live.bilibili.com/xlive/web-room/v1/index/getH5InfoByRoom?room_id="+getRoomID(),
      async: false}).responseJSON.data;
  console.log(resp)
  return [resp.anchor_info.base_info.uname, "https://space.bilibili.com/" + resp.room_info.uid, resp.room_info.title]
}

// 根据当前地址获取直播间ID
function getRoomID() {
  var url_text = window.location.href + "";
  var i = url_text.indexOf("roomid=");
  var m = 0;
  if (i != -1) m = url_text.slice(i + 7);
  else m = url_text.slice(url_text.indexOf(".com/") + 5);
  let rid = parseInt(m);
  console.log("Try1:",m);
  if (isNaN(rid)) {
      m = url_text.slice(url_text.indexOf(".com/blanc/") + 11);
      console.log("Try2:"+m);
      rid = parseInt(m);
  }
  return rid; //获取当前房间号
}

function tryAddPoint(msg) {
  // https://api.live.bilibili.com/room/v1/Room/room_init?id={roomID}
    console.log(msg, getRoomID());
  $.ajax({
    url:
      "https://api.live.bilibili.com/room/v1/Room/room_init?id=" + getRoomID(),
    async: true,
    success: function (resp) {
      let t = 0;
      if (resp.data.live_status != 1) t = 0;
      else t = resp.data.live_time;
      addPoint(t, msg);
    },
  });
}

let toggle = false;

waitForKeyElements(
  "#control-panel-ctnr-box > div.chat-input-ctnr.p-relative",
  (n) => {
    let recordInput = $(
      '<textarea id="vecorder-input" placeholder="在此记录当前直播内容，回车确认" rows="1"></textarea>'
    );
    recordInput.attr(
      "style",
      `
    height: 12px;
    width: 266px;
    resize: none;
    outline: none;
    background-color: #fff;
    border-radius: 4px;
    padding: 8px 8px 10px;
    color: #333;
    overflow: hidden;
    font-size: 10px;
    line-height: 14px;
    display: flex;
    border: 1px solid #e9eaec;
    margin-top: 3px;
      `
    );
    recordInput.bind("keypress", function (event) {
      if (event.keyCode == "13") {
        window.event.returnValue = false;
          console.log("Enter detected");
        tryAddPoint($("#vecorder-input").val());
        $("#vecorder-input").val("");
      }
    });
    n.after(recordInput);
  }
);

waitForKeyElements(
  "#chat-control-panel-vm > div > div.bottom-actions.p-relative > div",
  (n) => {
    // Resize original input
    $(
      "#control-panel-ctnr-box > div.chat-input-ctnr.p-relative > div:nth-child(2) > textarea"
    ).css("height", "36px");
    $(
      "#control-panel-ctnr-box > div.chat-input-ctnr.p-relative > div.medal-section"
    ).css("height", "36px");
    $("#control-panel-ctnr-box > div.bottom-actions.p-relative").css(
      "margin-top",
      "4px"
    );
    // Setup recordButton
    let recordBtn = $('<button><span class="txt">记录</span></button>');
    recordBtn.attr(
      "style",
      "font-family: sans-serif;\
text-transform: none;\
position: relative;\
box-sizing: border-box;\
line-height: 1;\
margin: 0;\
margin-left: 3px;\
padding: 6px 12px;\
border: 0;\
cursor: pointer;\
outline: none;\
overflow: hidden;\
background-color: #23ade5;\
color: #fff;\
border-radius: 4px;\
min-width: 40px;\
height: 24px;\
font-size: 12px;"
    );
    recordBtn.hover(
      function () {
        if (!toggle) recordBtn.css("background-color", "#58bae2");
      },
      function () {
        if (!toggle) recordBtn.css("background-color", "#23ade5");
      }
    );
    recordBtn.click(function () {
      if (toggle) {
        $("#vPanel").remove();
        gc();
        toggle = false;
        $(this).css("background-color", "#58bae2");
        return;
      }
      let panel = $(
        '<div id="vPanel"><div id="vArrow"></div><p style="font-size:20px;font-weight:bold;margin:0px;" class="vName">🍊直播笔记</p></div>'
      );
      let contentList = dbToListview();
      panel.append(contentList);
      let clearBtn = $('<button><span class="txt">清空</span></button>');
      clearBtn.attr(
        "style",
        "font-family: sans-serif;\
text-transform: none;\
position: relative;\
box-sizing: border-box;\
line-height: 1;\
margin: 0;\
margin-left: 3px;\
padding: 6px 12px;\
border: 0;\
cursor: pointer;\
outline: none;\
overflow: hidden;\
background-color: #23ade5;\
color: #fff;\
border-radius: 4px;\
min-width: 40px;\
height: 24px;\
font-size: 12px;"
      );
      clearBtn.hover(
        function () {
          clearBtn.css("background-color", "#58bae2");
        },
        function () {
          clearBtn.css("background-color", "#23ade5");
        }
      );
      clearBtn.click(function () {
        contentList.empty();
        db = [];
        GM_deleteValue(dbname);
      });
      panel.append(clearBtn);
      let closeBtn = $(
        '<a style="position:absolute;right:7px;top:5px;font-size:20px;" class="vName">&times;</a>'
      );
      closeBtn.click(function () {
        panel.remove();
        gc();
        toggle = false;
        recordBtn.css("background-color", "#23ade5");
      });
      panel.append(closeBtn);
      let timeop = $(`<hr style="border:0;height:1px;background-color:#58bae2;margin-top:10px;margin-bottom:10px;"/><div id="timeop">\
<div><input type="checkbox" id="reltime" value="false" style="vertical-align:middle;margin-right:5px;"/><label for="reltime" class="vName" style="vertical-align:middle;">按相对时间导出</label></div>\
<div style="margin-top:10px;"><label for="toffset" class="vName" style="vertical-align:middle;">时间偏移(秒)：</label><input type="number" id="toffset" value="${Option.toffset}" style="vertical-align:middle;width:35px;outline-color:#23ade5;"/></div>\
</div>`);
      panel.append(timeop);
      $("#chat-control-panel-vm > div").append(panel);
      if (Option.reltime) {
        $("#reltime").attr("checked", true);
      }
      $("#reltime").change(function () {
        Option.reltime = $(this).prop("checked");
        GM_setValue("vop", JSON.stringify(Option));
      });
      $("#toffset").change(function () {
        Option.toffset = $(this).val();
        GM_setValue("vop", JSON.stringify(Option));
      });
      $(this).css("background-color", "#0d749e");
      toggle = true;
    });
    n.append(recordBtn);

    let styles = $("<style></style>");
    styles.text(
      "#vPanel {\
line-height: 1.15;\
font-size: 12px;\
font-family: Arial,Microsoft YaHei,Microsoft Sans Serif,Microsoft SanSerf,\\5FAE8F6F96C59ED1!important;\
display: block;\
box-sizing: border-box;\
background: #fff;\
border: 1px solid #e9eaec;\
border-radius: 8px;\
box-shadow: 0 6px 12px 0 rgba(106,115,133,.22);\
animation: scale-in-ease cubic-bezier(.22,.58,.12,.98) .4s;\
padding: 16px;\
position: absolute;\
right: 0px;\
bottom: 50px;\
z-index: 999;\
transform-origin: right bottom;\
}\
#vPanel ul {\
list-style-type: none;\
padding-inline-start: 0px;\
color: #666;\
}\
#vPanel li {\
margin-top: 10px;\
white-space: nowrap;\
}\
.vName {\
color: #23ade5;\
cursor: pointer;\
}\
#vArrow {\
line-height: 1.15;\
font-size: 12px;\
font-family: Arial,Microsoft YaHei,Microsoft Sans Serif,Microsoft SanSerf,\\5FAE8F6F96C59ED1!important;\
position: absolute;\
top: 100%;\
width: 0;\
height: 0;\
border-left: 4px solid transparent;\
border-right: 4px solid transparent;\
border-top: 8px solid #fff;\
right: 25px;\
}\
"
    );
    n.append(styles);
  }
);

function dbToListview() {
  let urlObject = window.URL || window.webkitURL || window;
  let content = $("<ul></ul>");
  for (let i in db) {
    let list = $("<li></li>");
    if (db[i].del) {
      continue;
    }
    let innerlist = $("<ul></ul>");
    for (let j in db[i].lives) {
      if (db[i].lives[j].del) continue;
      let item = $(
        "<li>" +
          `[${moment(db[i].lives[j].time).format("YYYY/MM/DD")}]` +
          db[i].lives[j].title +
          "[" +
          db[i].lives[j].points.length +
          "]" +
          "</li>"
      );
      let ep = $('<a class="vName" style="font-weight:bold;">[导出]</a>');
      let cx = $(
        '<a class="vName" style="color:red;font-weight:bold;">[删除]</a>'
      );
      ep.click(function () {
        exportRaw(
          db[i].lives[j],
          db[i].name,
          `[${db[i].name}][${db[i].lives[j].title}][${moment(
            db[i].lives[j].time
          ).format("YYYY-MM-DD")}]`
        );
      });
      cx.click(function () {
        if (db[i].lives.length == 1) {
          db[i].del = true;
          item.remove();
          list.remove();
        } else {
          db[i].lives[j].del = true;
          item.remove();
        }
        GM_setValue(dbname, JSON.stringify(db));
      });
      item.append(ep);
      item.prepend(cx);
      innerlist.append(item);
    }
    list.append(innerlist);
    content.append(list);
  }
  return content;
}

function exportRaw(live, v, fname) {
  var urlObject = window.URL || window.webkitURL || window;
  var export_blob = new Blob([rawToString(live, v)]);
  var save_link = document.createElementNS("http://www.w3.org/1999/xhtml", "a");
  save_link.href = urlObject.createObjectURL(export_blob);
  save_link.download = fname;
  save_link.click();
}

function rawToString(live, v) {
  let r =
    "# 由Vecorder自动生成，不妨关注下可爱的@轴伊Joi_Channel：https://space.bilibili.com/61639371/\n";
  r += `# ${v} \n`;
  r += `# ${live.title} - 直播开始时间：${moment(live.time).format(
    "YYYY-MM-DD HH:mm:ss"
  )}\n\n`;
  for (let i in live.points) {
    if (!Option.reltime)
      r += `[${moment(live.points[i].time)
        .add(Option.toffset, "seconds")
        .format("HH:mm:ss")}] ${live.points[i].content}\n`;
    else {
      let seconds =
        moment(live.points[i].time).diff(moment(live.time), "second") +
        Number(Option.toffset);
      let minutes = Math.floor(seconds / 60);
      let hours = Math.floor(minutes / 60);
      seconds = seconds % 60;
      minutes = minutes % 60;
      r += `[${f(hours)}:${f(minutes)}:${f(seconds)}] ${
        live.points[i].content
      }\n`;
    }
  }
  return r;
}

function f(num) {
  if (String(num).length > 2) return num;
  return (Array(2).join(0) + num).slice(-2);
}

function waitForKeyElements(
  selectorTxt /* Required: The jQuery selector string that
                        specifies the desired element(s).
                    */,
  actionFunction /* Required: The code to run when elements are
                        found. It is passed a jNode to the matched
                        element.
                    */,
  bWaitOnce /* Optional: If false, will continue to scan for
                        new elements even after the first match is
                        found.
                    */,
  iframeSelector /* Optional: If set, identifies the iframe to
                        search.
                    */
) {
  var targetNodes, btargetsFound;

  if (typeof iframeSelector == "undefined") targetNodes = $(selectorTxt);
  else targetNodes = $(iframeSelector).contents().find(selectorTxt);

  if (targetNodes && targetNodes.length > 0) {
    btargetsFound = true;
    /*--- Found target node(s).  Go through each and act if they
            are new.
        */
    targetNodes.each(function () {
      var jThis = $(this);
      var alreadyFound = jThis.data("alreadyFound") || false;

      if (!alreadyFound) {
        //--- Call the payload function.
        var cancelFound = actionFunction(jThis);
        if (cancelFound) btargetsFound = false;
        else jThis.data("alreadyFound", true);
      }
    });
  } else {
    btargetsFound = false;
  }

  //--- Get the timer-control variable for this selector.
  var controlObj = waitForKeyElements.controlObj || {};
  var controlKey = selectorTxt.replace(/[^\w]/g, "_");
  var timeControl = controlObj[controlKey];

  //--- Now set or clear the timer as appropriate.
  if (btargetsFound && bWaitOnce && timeControl) {
    //--- The only condition where we need to clear the timer.
    clearInterval(timeControl);
    delete controlObj[controlKey];
  } else {
    //--- Set a timer, if needed.
    if (!timeControl) {
      timeControl = setInterval(function () {
        waitForKeyElements(
          selectorTxt,
          actionFunction,
          bWaitOnce,
          iframeSelector
        );
      }, 300);
      controlObj[controlKey] = timeControl;
    }
  }
  waitForKeyElements.controlObj = controlObj;
}