北交大iCalender课表生成

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北交大iCalender课表生成

导出ics/csv/json格式的日程文件！ 💻支持多端同步！ 📝支持Excel编辑！ 📆支持导入各系统原生日历！
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// ==UserScript==
// @name         北交大iCalender课表生成
// @namespace    https://github.com/ZiuChen/userscript
// @version      1.5.1
// @description  导出ics/csv/json格式的日程文件！ 💻支持多端同步！ 📝支持Excel编辑！ 📆支持导入各系统原生日历！
// @author       ZiuChen
// @match        https://aa.bjtu.edu.cn/course_selection/courseselect/stuschedule/*
// @match        https://aa.bjtu.edu.cn/course_selection/courseselecttask/schedule/
// @require      https://fastly.jsdelivr.net/npm/[email protected]/dist/jquery.min.js
// @require      https://fastly.jsdelivr.net/gh/nwcell/ics.js@dfec67f37a3c267b3f97dd229c9b6a3521222794/demo/ics.deps.min.js
// @icon         https://fastly.jsdelivr.net/gh/ZiuChen/ZiuChen@main/avatar.jpg
// @grant        none
// @license      MIT
// ==/UserScript==

"use strict"

const defaultStartMonday = "2022-08-29" // 第一个教学周的第一个周一

if (localStorage.getItem("defaultStartMonday") === null) {
  localStorage.setItem("defaultStartMonday", defaultStartMonday)
}

function buttonGenerate() {
  $(".widget-title").append(/* html */ `
        <button id="scheduleIcsGenerate" class="btn btn-white btn-xs">导出为ics文件</button>
        <button id="csvGenerate" class="btn btn-white btn-xs">导出为csv文件</button>
        <button id="jsonGenerate" class="btn btn-white btn-xs">导出为json文件</button>
        <button id="scheduleRedirect" title="点击跳转校历" class="btn btn-white btn-xs">校历</button>
        <input id="startMonday" class="form-control" type="text" placeholder="第一个教学周的第一个周一" title="第一个教学周的第一个周一" style="height: 26px;width: 200px;display: inline;vertical-align: middle;"></input>
        <button id="restoreSetting" title="点击重置设置" class="btn btn-white btn-xs">重置</button>
        `)
  bindEvents()
}

function bindEvents() {
  $("#scheduleRedirect").click(() => {
    window.open("https://bksy.bjtu.edu.cn/Semester.html")
  })
  let pageFlag = 0
  if (window.location.href.search("/courseselect/stuschedule/") != -1) {
    // 本学期课表
  } else if (window.location.href.search("/courseselecttask/schedule/") != -1) {
    // 选课课表
    pageFlag = 1
  }
  $("#scheduleIcsGenerate").click(() => {
    icsmain(pageFlag)
  })
  $("#csvGenerate").click(() => {
    csvmain(pageFlag)
  })
  $("#jsonGenerate").click(() => {
    jsonmain(pageFlag)
  })
  $("#restoreSetting").click(() => {
    localStorage.clear()
    location.reload()
  })
  $("#startMonday")
    .change((e) => {
      localStorage.setItem("defaultStartMonday", e.target.value)
    })
    .val(localStorage.getItem("defaultStartMonday"))
}

// generateWeekTable() @github ygowill
function generateWeekTable() {
  let startMondayString = $("#startMonday").val()
  if (validCheck(startMondayString) === false) return
  const startMonday = new Date(startMondayString)
  let weekDateTable = []
  for (let i = 0; i < 30; i++) {
    // 生成到30周
    let weekArr = []
    for (let j = 0; j < 7; j++) {
      let tmpDate = new Date(startMonday)
      tmpDate.setDate(tmpDate.getDate() + 7 * i + j)
      weekArr.push(tmpDate)
    }
    weekDateTable.push(weekArr)
  }
  return weekDateTable
}

function validCheck(startMondayString) {
  const re = new RegExp(/^\d{4}-\d{1,2}-\d{1,2}/)
  if (re.test(startMondayString) === false) {
    alert("输入日期值非法，请重新输入。")
    throw Error("输入日期值非法")
  } else {
    return true
  }
}

function tableTransfer(rowTable, isOrigin) {
  // 7*7行转列
  let tmpTable = []
  let columnTable = []
  for (let i = 0; i < 7; i++) {
    if (isOrigin) {
      for (let j = 0; j < 7; j++) {
        tmpTable.push(rowTable[j])
      }
    } else {
      for (let j = i; j < 49; j += 7) {
        tmpTable.push(rowTable[j])
      }
    }
    columnTable[i] = tmpTable
    tmpTable = []
  }
  return columnTable
}

function removeZero(iArr) {
  for (let i = 0; i < iArr.length; i++) {
    iArr[i] = parseInt(iArr[i], 10)
  }
  return iArr
}

function dateStr2Arr(dateStr) {
  let dateArr = []
  if (dateStr) {
    if (dateStr.indexOf("-") != -1) {
      // 第X-Y周
      let indexArr = dateStr.split("-")
      removeZero(indexArr)
      for (let i = indexArr[0]; i < indexArr[1] + 1; i++) {
        dateArr.push(i)
      }
    } else if (dateStr.indexOf(",") != -1) {
      // 单双周
      dateArr = dateStr.split(", ")
      removeZero(dateArr)
    } else dateArr.push(parseInt(dateStr, 10)) // 第X周
  }
  return dateArr
}

// courseList[x]示例：
// allInfo: "国际贸易实务模拟 第03-06周思源东楼 SD401卜伟"
// courseNum: 1
// date: (4) [3, 4, 5, 6]
// initInfo: "第03-06周"
// location: "思源东楼 SD401"
// name: "国际贸易实务模拟 "
// teacher: "卜伟"
// weekNum: 6

function stuScheduleGetTable(isOrigin) {
  let courseListTmp = tableTransfer($("tr>td[style!='height:80px;']"), isOrigin)
  let courseList = []
  let courseTmp = {}
  for (let i = 0; i < 7; i++) {
    for (let j = 0; j < 7; j++) {
      for (
        let k = 0;
        k < courseListTmp[i][j].querySelectorAll('span[style="color:#000"]').length;
        k++
      ) {
        courseTmp.weekNum = i + 1
        courseTmp.courseNum = j + 1
        if (courseListTmp[i][j].querySelectorAll('span[style="color:#000"]')[k]) {
          courseTmp.name = courseListTmp[i][j]
            .querySelectorAll('span[style="color:#000"]')
            [k].innerText.split("[本")[0]
          courseTmp.location = courseListTmp[i][j].querySelectorAll('span[class="text-muted"]')[
            k
          ].innerText
          let dateStr = courseListTmp[i][j].querySelectorAll('div[style="max-width:120px;"]')[k]
            .innerText
          dateStr = dateStr.substring(dateStr.indexOf("第") + 1, dateStr.indexOf("周")) // 预处理
          courseTmp.initInfo = "第" + dateStr + "周"
          courseTmp.date = dateStr2Arr(dateStr)
          courseTmp.teacher = courseListTmp[i][j].querySelectorAll("i")[k].innerText
          courseTmp.allInfo =
            courseTmp.name +
            " " +
            courseTmp.initInfo +
            " " +
            courseTmp.location +
            " " +
            courseTmp.teacher
          courseList.push(courseTmp)
          courseTmp = {}
        }
      }
    }
  }
  return courseList
}

function scheduleGetTable(isOrigin) {
  let courseListTmp = tableTransfer($("tr>td[style!='height:80px;']"), isOrigin)
  let courseList = []
  let courseTmp = {}
  for (let i = 0; i < 7; i++) {
    for (let j = 0; j < 7; j++) {
      for (
        let k = 0;
        k < courseListTmp[i][j].querySelectorAll('div[style="max-width:120px;"]').length;
        k++
      ) {
        courseTmp.weekNum = i + 1
        courseTmp.courseNum = j + 1
        if (courseListTmp[i][j].querySelectorAll("span")[k]) {
          courseTmp.name = courseListTmp[i][j]
            .getElementsByTagName("span")
            [k * 3].innerText.split("\n")[1]
          courseTmp.location = courseListTmp[i][j].querySelectorAll('span[class="text-muted"]')[
            k
          ].innerText
          let dateStr = courseListTmp[i][j].querySelectorAll('div[style="max-width:120px;"]')[k]
            .innerText
          dateStr = dateStr.substring(dateStr.indexOf("第") + 1, dateStr.indexOf("周")) // 预处理
          courseTmp.initInfo = "第" + dateStr + "周"
          courseTmp.date = dateStr2Arr(dateStr)
          courseTmp.teacher = courseListTmp[i][j].querySelectorAll("i")[k].innerText
          courseTmp.allInfo =
            courseTmp.name +
            " " +
            courseTmp.initInfo +
            " " +
            courseTmp.location +
            " " +
            courseTmp.teacher
          courseList.push(courseTmp)
          courseTmp = {}
        }
      }
    }
  }
  return courseList
}

function timeConstructor(weekTh, weekNum, courseNum, isStamp, isDelay) {
  let standardTimeTable = [
    ["08:00", "09:50"],
    ["10:10", "12:00"],
    ["12:10", "14:00"],
    ["14:10", "16:00"],
    ["16:20", "18:10"],
    ["19:00", "20:50"],
    ["21:00", "21:50"]
  ]
  let delayTimeTable = [
    ["08:00", "09:50"],
    ["10:30", "12:20"],
    ["12:10", "14:00"],
    ["14:10", "16:00"],
    ["16:20", "18:10"],
    ["19:00", "20:50"],
    ["21:00", "21:50"]
  ]

  let WeekTable = generateWeekTable()
  let DayTime = new Date(WeekTable[weekTh - 1][weekNum - 1])
  let rtnTime = []
  let startTimeStamp, endTimeStamp
  let delayClassroom = ["思源西楼", "逸夫"]

  for (let item of delayClassroom) {
    if (isDelay.search(item) != -1) {
      startTimeStamp = DayTime.setHours(
        delayTimeTable[courseNum - 1][0].split(":")[0],
        delayTimeTable[courseNum - 1][0].split(":")[1]
      )
      endTimeStamp = DayTime.setHours(
        delayTimeTable[courseNum - 1][1].split(":")[0],
        delayTimeTable[courseNum - 1][1].split(":")[1]
      )
    } else {
      startTimeStamp = DayTime.setHours(
        standardTimeTable[courseNum - 1][0].split(":")[0],
        standardTimeTable[courseNum - 1][0].split(":")[1]
      )
      endTimeStamp = DayTime.setHours(
        standardTimeTable[courseNum - 1][1].split(":")[0],
        standardTimeTable[courseNum - 1][1].split(":")[1]
      )
    }
  }

  if (isStamp === 1) {
    rtnTime.push(startTimeStamp)
    rtnTime.push(endTimeStamp)
    return rtnTime
  }

  let startTime = new Date(startTimeStamp)
  let endTime = new Date(endTimeStamp)
  startTime = startTime.toString()
  endTime = endTime.toString()
  rtnTime.push(startTime)
  rtnTime.push(endTime)
  return rtnTime
}

function icsConstructor(icsEventList) {
  let cal = ics()
  let today = new Date()
  today = today.toLocaleDateString()
  for (let i = 0; i < icsEventList.length; i++) {
    cal.addEvent(
      icsEventList[i].name,
      icsEventList[i].description,
      icsEventList[i].location,
      icsEventList[i].startTime,
      icsEventList[i].endTime
    )
  }
  cal.download("iCalender - 课表 - " + today)
}

function eventConstructor(courseList) {
  let icsEvent = {}
  let icsEventList = []
  for (let i = 0; i < courseList.length; i++) {
    for (let j = 0; j < courseList[i].date.length; j++) {
      let timeRst = timeConstructor(
        courseList[i].date[j],
        courseList[i].weekNum,
        courseList[i].courseNum,
        0,
        courseList[i].location
      )
      let timeRstStamp = timeConstructor(
        courseList[i].date[j],
        courseList[i].weekNum,
        courseList[i].courseNum,
        1,
        courseList[i].location
      )
      icsEvent.name = courseList[i].name
      icsEvent.description =
        courseList[i].location +
        " " +
        courseList[i].initInfo +
        " 任课教师：" +
        courseList[i].teacher
      icsEvent.location = courseList[i].location
      icsEvent.startTime = timeRst[0]
      icsEvent.endTime = timeRst[1]
      icsEvent.startTimeStamp = timeRstStamp[0]
      icsEvent.endTimeStamp = timeRstStamp[1]
      icsEventList.push(icsEvent)
      icsEvent = {}
    }
  }
  return icsEventList
}

function toExcelFormatter(courseList) {
  let standardTimeTable = [
    ["08:00", "09:50"],
    ["10:10", "12:00"],
    ["12:10", "14:00"],
    ["14:10", "16:00"],
    ["16:20", "18:10"],
    ["19:00", "20:50"],
    ["21:00", "21:50"]
  ]
  let jsonData = [
    {
      column1: "",
      column2: "",
      column3: "",
      column4: "",
      column5: "",
      column6: "",
      column7: ""
    },
    {
      column1: "",
      column2: "",
      column3: "",
      column4: "",
      column5: "",
      column6: "",
      column7: ""
    },
    {
      column1: "",
      column2: "",
      column3: "",
      column4: "",
      column5: "",
      column6: "",
      column7: ""
    },
    {
      column1: "",
      column2: "",
      column3: "",
      column4: "",
      column5: "",
      column6: "",
      column7: ""
    },
    {
      column1: "",
      column2: "",
      column3: "",
      column4: "",
      column5: "",
      column6: "",
      column7: ""
    },
    {
      column1: "",
      column2: "",
      column3: "",
      column4: "",
      column5: "",
      column6: "",
      column7: ""
    },
    {
      column1: "",
      column2: "",
      column3: "",
      column4: "",
      column5: "",
      column6: "",
      column7: ""
    }
  ]
  let charArr = ["第一节", "第二节", "第三节", "第四节", "第五节", "第六节", "第七节"]
  let objKeys = Object.keys(jsonData[0])

  for (let i = 0; i < 7; i++) {
    for (let j = 0; j < 7; j++) {
      let tmpKey = objKeys[j + 1]
      jsonData[i].column1 =
        charArr[i] + " [" + standardTimeTable[i][0] + " - " + standardTimeTable[i][0] + "]"
      for (let k = 0; k < courseList.length; k++) {
        if (courseList[k].courseNum == i + 1 && courseList[k].weekNum == j + 1) {
          jsonData[i][tmpKey] = jsonData[i][tmpKey] + "  " + courseList[k].allInfo
        }
      }
    }
  }
  return jsonData
}

// tableToExcel() @csdn hhzzcc_
function tableToExcel(jsonData) {
  let str = `课程|星期,星期一,星期二,星期三,星期四,星期五,星期六,星期日\n`
  for (let i = 0; i < jsonData.length; i++) {
    for (let key in jsonData[i]) {
      str += `${jsonData[i][key] + "\t"},`
    }
    str += "\n"
  }
  const uri = "data:text/csv;charset=utf-8,\ufeff" + encodeURIComponent(str)
  const link = document.createElement("a")
  link.href = uri
  link.download = "课程表.csv"
  link.click()
}

function icsmain(icase) {
  let icsEventList
  if (icase === 0) {
    icsEventList = eventConstructor(stuScheduleGetTable())
  } else if (icase === 1) {
    icsEventList = eventConstructor(scheduleGetTable())
  }
  icsConstructor(icsEventList)
}

function csvmain(icase) {
  let jsonData
  if (icase === 0) {
    jsonData = toExcelFormatter(stuScheduleGetTable())
  } else if (icase === 1) {
    jsonData = toExcelFormatter(scheduleGetTable())
  }
  tableToExcel(jsonData)
}

function jsonmain(icase) {
  let jsonData
  if (icase === 0) {
    jsonData = stuScheduleGetTable()
  } else if (icase === 1) {
    jsonData = scheduleGetTable()
  }
  const uri = "data:text/json;charset=utf-8,\ufeff" + encodeURIComponent(JSON.stringify(jsonData))
  const link = document.createElement("a")
  link.href = uri
  link.download = "课程表.json"
  link.click()
}

buttonGenerate()