UOOC assistant

UOOCassistant

UOOC优课联盟，视频自动连播，自动二倍速播放(因为超过二倍速可能无法记录任务点)，离开页面继续播放，自动回答视频中途弹出问题；如果视频一开始处于停止状态，可以手动点击播放；【有问题可以进行反馈】
当前为 2020-10-15 提交的版本，查看最新版本。
换行
// ==UserScript==
// @name         UOOCassistant
// @namespace    http://tampermonkey.net/
// @version      0.2
// @description  UOOC优课联盟，视频自动连播，自动二倍速播放(因为超过二倍速可能无法记录任务点)，离开页面继续播放，自动回答视频中途弹出问题；如果视频一开始处于停止状态，可以手动点击播放；【有问题可以进行反馈】
// @author       cc
// @include      *
// @grant        none
// ==/UserScript==

(function () {
    'use strict';
    const jsName = 'UOOCassistant.js';
    const host = window.location.host;
    if (host == 'www.uooc.net.cn') {
        console.log(`excute ${jsName}`);
        let recursive = () => {
            let extraTime = 0;
            try {
                let done = false;
                let video = document.querySelector('#player_html5_api');
                if (video) {
                    video.playbackRate = 2;
                    video.autoplay = true;
                    if (video.ended) {
                        done = true;
                    };
                    let quizLayer = document.querySelector('#quizLayer');
                    if (quizLayer && quizLayer.style.display != 'none') {
                        if (done) {
                            setTimeout(() => {
                                document.querySelectorAll('.layui-layer-shade').forEach(e => e.style.display = 'none');
                            }, 1000);
                        };
                        let source = JSON.parse(document.querySelector('div[uooc-video]').getAttribute('source'));
                        let quizList = source.quiz;
                        let quizIndex = 0;
                        let currentTime = video.currentTime;
                        let quizQuestion = document.querySelector('.smallTest-view .ti-q-c').innerHTML;
                        for (let i = 0; i < quizList.length; i++) {
                            if (quizList[i].question == quizQuestion) {
                                quizIndex = i;
                                break;
                            };
                        };
                        let quizAnswer = eval(quizList[quizIndex].answer);
                        let quizOptions = quizLayer.querySelector('div.ti-alist');
                        for (let ans of quizAnswer) {
                            let labelIndex = ans.charCodeAt() - 'A'.charCodeAt();
                            quizOptions.children[labelIndex].click();
                        }; // end for
                        quizLayer.querySelector('button').click();
                        extraTime = 1000;
                    }; // end if
                    if (!done) {
                        if (video.paused) {
                            video.play();
                        } else {
                            document.querySelectorAll('.layui-layer-shade, #quizLayer').forEach(e => e.style.display = 'none');
                        };
                    };
                }; // end if (video)
                if (!done) {
                    console.log('continue recursive function...');
                    setTimeout(recursive, 250 + extraTime);
                } else {
                    console.log('done!');
                    if (video) {
                        let uncomplete_video = document.querySelector(`li[ng-repeat='pointItem in sectionItem.children'] div.uncomplete`);
                        if (!uncomplete_video) {
                            uncomplete_video = document.querySelector(`li[ng-repeat='sectionItem in chapterItem.children'] div.uncomplete`);
                        };
                        if (uncomplete_video) {
                            console.log('found uncomplete video, ready to click...');
                            uncomplete_video.click();
                            setTimeout(() => {
                                uncomplete_video.nextElementSibling.firstElementChild.click();
                                setTimeout(recursive, 1500);
                            }, 500);
                        } else {
                            console.log('not found uncomplete video, end recursive function.');
                        };
                    } else {
                        console.log('video not found');
                    };
                };
            } catch (e) {
                // do nothing
            };
        }; // end recursive
        recursive();
    }
})();
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