index.js
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var express = require('express');
var router = express.Router();
const {spawn, exec} = require('child_process');
const fs = require("fs");
var path = require('path')
const method = require("../config/method")
const config = require("../config/config")
// const { GETCLASSURL, GETCLASSURLPARAMETER, PROJECTCATALOG, PROJECTWINCATALOG, BACKMEDIACONFIG } = config
const {YesterdayTime, getRequestClassIds, dayTimeYMD} = method
let siteIds = []
let classid = []
let parentData = {}
var classobj = {};
let className = ""
// spawn("export DISPLAY=:7", { shell: true})
/**
*
* @param {*} id 课堂id
*/
class MediaCreat {
constructor() {
}
// 取出所有数据
async allData() {
const {startTime, endTime} = YesterdayTime()
let fileConfig = new MediaCreat().getConfigFileJson()
if (!fileConfig) return false
className = siteIds.shift()
const {GETCLASSURL, GETCLASSURLPARAMETER} = JSON.parse(fileConfig)
let page = 1
if (className) {
let result = await getRequestClassIds(GETCLASSURL, className, GETCLASSURLPARAMETER.key, startTime, endTime, page)
parentData[result.data.data.siteId] = new Set()
for (let j = 0; j < result.data.data.list.length; j++) {
classid.push(result.data.data.list[j])
parentData[result.data.data.siteId].add(result.data.data.list[j]['classId'])
}
const {siteId, list, totalPage} = result.data.data
for (let i = page += 1; i <= totalPage; i++) {
let result = await getRequestClassIds(GETCLASSURL, className, GETCLASSURLPARAMETER.key, startTime, endTime, i)
for (let j = 0; j < result.data.data.list.length; j++) {
classid.push(result.data.data.list[j])
parentData[result.data.data.siteId].add(result.data.data.list[j]['classId'])
}
}
parentData[result.data.data.siteId] = Array.from(parentData[result.data.data.siteId])
if (siteIds.length) {
return await new MediaCreat().allData()
}
this.wrieLog("去重前的classId:------>" + JSON.stringify(classid))
this.wrieLog("httpData:------>" + JSON.stringify(result.data))
return true
} else {
return false
}
}
wrieLog(text) {
// 写入log
let logFile = `./log/${dayTimeYMD().ymd}.txt`
fs.appendFileSync(logFile, new Date().toLocaleString() + " " + text + '\r\n');
}
// async mediaCreat(id, siteId) {
// const {ymd} = YesterdayTime()
// let fileConfig = await new MediaCreat().getConfigFileJson()
// if (!fileConfig) return false
// const {BACKMEDIACONFIG, PROJECTWINCATALOG, PROJECTCATALOG} = JSON.parse(fileConfig)
//
// let mediaDir = PROJECTCATALOG + "/media/"
// let classDir = PROJECTCATALOG + "/media/" + siteId
// let ymdDir = PROJECTCATALOG + "/media/" + siteId + "/" + ymd
// if (!fs.existsSync(mediaDir)) {
// fs.mkdirSync(mediaDir);
// }
// if (!fs.existsSync(classDir)) {
// fs.mkdirSync(classDir);
// }
// if (!fs.existsSync(ymdDir)) {
// fs.mkdirSync(ymdDir);
// }
// let url = `"${PROJECTWINCATALOG} /web_capture_c" -o=../media/${siteId}/${ymd}/${id}.mp4 -u="${BACKMEDIACONFIG.url}?classId=${id}&recordMp4=${BACKMEDIACONFIG.recordMp4}&userId=${BACKMEDIACONFIG.userId}&userName=${BACKMEDIACONFIG.userName}&userRole=${BACKMEDIACONFIG.userRole}&portalIP=${BACKMEDIACONFIG.portalIP}&portalPort=${BACKMEDIACONFIG.portalPort}&channels=${BACKMEDIACONFIG.channels}&playRecord=${BACKMEDIACONFIG.playRecord}" -d=${BACKMEDIACONFIG.d} -s=${BACKMEDIACONFIG.s} -fa=${BACKMEDIACONFIG.fa} -k=${BACKMEDIACONFIG.k} -w=${BACKMEDIACONFIG.w} -h=${BACKMEDIACONFIG.h}`
// var workerProcess = exec(url) // , {cwd: PROJECTWINCATALOG, shell: true}
// // workerProcess.stdout.on('data', async function (data) {
//
// // });
//
// workerProcess.on('close', async (code) => {
// let files = fs.readdirSync(ymdDir);
// if (files.indexOf(id + ".mp4") == -1) {
// //当前课堂没有写入到文件夹，进入重录
// new MediaCreat().mediaCreat(id, siteId)
// return false
// } else {
// if (parentData[siteId].indexOf(id.toString()) != -1) {
// parentData[siteId].splice(parentData[siteId].indexOf(id.toString()), 1)
// }
// if (parentData[siteId].length == 0) {
// // //全部录制完毕
// this.wrieLog("录制结束:------>")
// fs.writeFile(ymdDir + "/download.json", `{ "code": "0", "success": "ok"}`, function (err) {
// if (err) {
// console.log(err);
// }
// });
// }
// if (classid.length) {
// let shiftData = classid.shift()
// new MediaCreat().mediaCreat(shiftData['classId'], shiftData['siteId'])
// }
// }
// });
// }
recordingCreat(id, siteId) {
this.wrieLog(" 课堂录制开始:------>" + id)
let fileConfig = this.getConfigFileJson()
if (!fileConfig) return false
const {BACKMEDIACONFIG, PROJECTWINCATALOG, PROJECTCATALOG} = JSON.parse(fileConfig)
let mediaDir = PROJECTCATALOG + "/media/"
let classDir = PROJECTCATALOG + "/media/" + siteId
let ymdDir = PROJECTCATALOG + "/media/" + siteId + "/" + dayTimeYMD().ymd
if (!fs.existsSync(mediaDir)) {
fs.mkdirSync(mediaDir);
}
if (!fs.existsSync(classDir)) {
fs.mkdirSync(classDir);
}
if (!fs.existsSync(ymdDir)) {
fs.mkdirSync(ymdDir);
}
// 目前url是linux的写法 win系统不支持
// export DISPLAY=:7
// let url = `${path.resolve(__dirname, PROJECTWINCATALOG+"/web_capture_c")} -o=${ymdDir}/${id}.mp4 -u="${BACKMEDIACONFIG.url}?classId=${id}&recordMp4=${BACKMEDIACONFIG.recordMp4}&userId=${BACKMEDIACONFIG.userId}&userName=${BACKMEDIACONFIG.userName}&userRole=${BACKMEDIACONFIG.userRole}&portalIP=${BACKMEDIACONFIG.portalIP}&portalPort=${BACKMEDIACONFIG.portalPort}&channels=${BACKMEDIACONFIG.channels}&playRecord=${BACKMEDIACONFIG.playRecord}" -d=${BACKMEDIACONFIG.d} -s=${BACKMEDIACONFIG.s} -fa=${BACKMEDIACONFIG.fa} -k=${BACKMEDIACONFIG.k} -w=${BACKMEDIACONFIG.w} -h=${BACKMEDIACONFIG.h}`
// console.log("url", url)
let url = `${PROJECTWINCATALOG}/web_capture_c -o=${ymdDir}/${id}.mp4 -u="${BACKMEDIACONFIG.url}?classId=${id}&recordMp4=${BACKMEDIACONFIG.recordMp4}&userId=${BACKMEDIACONFIG.userId}&userName=${BACKMEDIACONFIG.userName}&userRole=${BACKMEDIACONFIG.userRole}&portalIP=${BACKMEDIACONFIG.portalIP}&portalPort=${BACKMEDIACONFIG.portalPort}&channels=${BACKMEDIACONFIG.channels}&playRecord=${BACKMEDIACONFIG.playRecord}" -d=${BACKMEDIACONFIG.d} -s=${BACKMEDIACONFIG.s} -fa=${BACKMEDIACONFIG.fa} -k=${BACKMEDIACONFIG.k} -w=${BACKMEDIACONFIG.w} -h=${BACKMEDIACONFIG.h} -k=0`
// console.log("url", url)
// console.log("PROJECTWINCATALOG", PROJECTWINCATALOG)
exec(url, {maxBuffer:1073741824},(err, stdout, stderr) => {
// setTimeout(()=>{
if (err != null) {
this.wrieLog(" 错误" + id +"：" + err)
this.wrieLog(" 错误 stdout" + id +"：" + stdout)
this.wrieLog(" 错误 stderr" + id +"：" + stderr)
// if (files.indexOf(id + ".mp4") == -1) {
// // //当前课堂没有写入到文件夹，进入重录
// this.wrieLog(" 课堂录制未发现该" + id + "课堂号")
// this.recordingCreat(id, siteId)
// // return false
// }
// if (classid.length) {
// setTimeout(()=>{
// let shiftData = classid.shift()
// this.wrieLog(" 录制下一节课 课堂号：" + shiftData['classId'])
// this.recordingCreat(shiftData['classId'], shiftData['siteId'])
// },20000)
// // clearInterval(interValGetFile)
// }
return
}
let files = fs.readdirSync(ymdDir);
// let interValGetFile = setInterval(()=>{
if (files.indexOf(id + ".mp4") == -1) {
this.wrieLog(" 课堂录制未发现该" + id + "课堂号")
}else{
if (classid.length) {
setTimeout(()=>{
let shiftData = classid.shift()
this.wrieLog(" 录制下一节课 课堂号：" + shiftData['classId'])
this.recordingCreat(shiftData['classId'], shiftData['siteId'])
},60*1000*5)
// clearInterval(interValGetFile)
}else{
this.wrieLog("录制结束:------>")
fs.writeFile(ymdDir + "/download.json", `{ "code": "0", "success": "ok"}`, function (err) {
if (err) {
console.log(err);
}
});
// clearInterval(interValGetFile)
}
}
// },3000)
// if (files.indexOf(id + ".mp4") == -1) {
// // //当前课堂没有写入到文件夹，进入重录
// this.wrieLog(" 课堂录制未发现该" + id + "课堂号")
// this.recordingCreat(id, siteId)
// // return false
// } else {
// if (classid.length) {
// let shiftData = classid.shift()
// this.wrieLog(" 录制下一节课 课堂号：" + shiftData['classId'])
// this.recordingCreat(shiftData['classId'], shiftData['siteId'])
// } else {
// this.wrieLog("录制结束:------>")
// fs.writeFile(ymdDir + "/download.json", `{ "code": "0", "success": "ok"}`, function (err) {
// if (err) {
// console.log(err);
// }
// });
// }
// }
// },20000)
})
// console.log("/web_capture_c",path.resolve(__dirname, PROJECTWINCATALOG+"./web_capture_c"))
// spawnSync(path.resolve(__dirname, PROJECTWINCATALOG+"./web_capture_c"),[
// "-o",`${ymdDir}/${id}.mp4`,
// "-u",`${BACKMEDIACONFIG.url}?classId=${id}&recordMp4=${BACKMEDIACONFIG.recordMp4}&userId=${BACKMEDIACONFIG.userId}&userName=${BACKMEDIACONFIG.userName}&userRole=${BACKMEDIACONFIG.userRole}&portalIP=${BACKMEDIACONFIG.portalIP}&portalPort=${BACKMEDIACONFIG.portalPort}&channels=${BACKMEDIACONFIG.channels}&playRecord=${BACKMEDIACONFIG.playRecord}`,
// "-d",`${BACKMEDIACONFIG.d}`,
// "-s",`${BACKMEDIACONFIG.s}`,
// "-fa",`${BACKMEDIACONFIG.fa}`,
// "-k",`${BACKMEDIACONFIG.k}`,
// "-w",`${BACKMEDIACONFIG.w}`,
// "-h",`${BACKMEDIACONFIG.h}`
// ])
// workerProcess = spawnSync(url,{shell: true})// {cwd: PROJECTWINCATALOG, shell: true}
// console.log("workerProcess",workerProcess)
// workerProcess.stdout.on('data', function (data) {
// console.log("stdout",data)
// });
// workerProcess.stderr.on('data', (data) => {
// console.error(`stderr: ${data}`);
// });
//
// workerProcess.on('close', (code) => {
// console.log("code", code)
// if (code == 0) {
// this.wrieLog(" 课堂录制结束:------>" + id)
// let files = fs.readdirSync(ymdDir);
// if (files.indexOf(id + ".mp4") == -1) {
// // //当前课堂没有写入到文件夹，进入重录
// this.wrieLog(" 课堂录制未发现该" + id + "课堂号")
// new MediaCreat().recordingCreat(id, siteId)
// // return false
// } else {
// if (classid.length) {
// let shiftData = classid.shift()
// this.wrieLog(" 录制下一节课 课堂号：" + shiftData['classId'])
// new MediaCreat().recordingCreat(shiftData['classId'], shiftData['siteId'])
// } else {
// this.wrieLog("录制结束:------>")
// fs.writeFile(ymdDir + "/download.json", `{ "code": "0", "success": "ok"}`, function (err) {
// if (err) {
// console.log(err);
// }
// });
// }
// }
// }
// });
}
getConfigFileJson() {
const buffer = fs.readFileSync(process.cwd() + "/config/config.json")
return String(buffer)
}
}
router.get('/', async function (req, res, next) {
if (classid.length > 0) {
// 有正在录制中的课堂，禁止重复
res.send({code: "1", message: "有正在录制中的课堂", data: classid});
return
}
new MediaCreat().wrieLog("脚本录制开始:------>")
let fileConfig = new MediaCreat().getConfigFileJson()
if (!fileConfig) return false
const {GETCLASSURLPARAMETER} = JSON.parse(fileConfig)
siteIds = GETCLASSURLPARAMETER.siteId
let result = await new MediaCreat().allData()
if (result) {
// 去重
classobj = {}
classid = classid.reduce(function (item, next) {
classobj[next.classId] ? '' : classobj[next.classId] = true && item.push(next);
return item;
}, []);
// 写入log
new MediaCreat().wrieLog("去重后的classid:------>" + JSON.stringify(classid))
if (classid.length) {
for (let i = 0; i < GETCLASSURLPARAMETER.maxMedia; i++) {
let shiftData = classid.shift()
if (shiftData) {
new MediaCreat().recordingCreat(shiftData['classId'], shiftData['siteId'])
} else {
return false
}
}
res.send({code: "0"});
} else {
res.send({code: "1", message: "无录制数据"});
}
}
});
/**
* {
* "classId":[{ classId: '389675110', siteId: 'kuaikuenglish' }]
* }
*/
router.post('/recording', async function (req, res, next) {
new MediaCreat().wrieLog("录制启动:------>")
let fileConfig = new MediaCreat().getConfigFileJson()
if (!fileConfig) return false
let {classId, maxMedia} = req.body
if (classid.length > 0) {
// 有正在录制中的课堂，禁止重复
res.send({code: "1", message: "有正在录制中的课堂", data: classid});
return
}
if (classId && classId.length) {
classid = classId
if (!maxMedia || maxMedia == undefined) {
maxMedia = 1
}
console.log("maxMedia", maxMedia)
for (let i = 0; i < maxMedia; i++) {
let shiftData = classid.shift()
if (shiftData) {
new MediaCreat().recordingCreat(shiftData['classId'], shiftData['siteId'])
} else {
return false
}
}
res.send({code: "0"});
} else {
res.send({code: "1", message: "无录制数据"});
}
})
module.exports = router;