Udemy auto enroll free courses
当前为
// ==UserScript==
// @name Udemy Auto Enroll Free Courses
// @namespace http://tampermonkey.net/
// @version 0.1.4
// @description Udemy auto enroll free courses
// @author 0x01x02x03
// @license MIT
// @match https://www.udemy.com/course/*/*
// @match https://www.udemy.com/cart/checkout/express/course/*/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=udemy.com
// @grant none
// ==/UserScript==
(function() {
'use strict';
function courseIsFree(){
console.log("Checking if course is free");
let freeCourse = document.body.querySelector("#udemy > div.ud-main-content-wrapper > div.ud-main-content > div > div > div:nth-child(3) > div.heading > div.ud-container.lead-container > div:nth-child(2) > div > div > div > div > div.buy-button.buy-box--buy-box-item--2RETv.buy-box--buy-button--35r28 > div > button");
if (freeCourse == null ){
console.log("waiting 2 seconds");
setTimeout(alreadyOwned, 2000);
}
if (freeCourse.textContent == 'Enroll now'){
alert("This course is free, and we gonna add it to your library");
freeCourse.click();
}
}
function alreadyOwned(){
console.log("Checking if course is already owned");
let owned = document.body.querySelector('#udemy > div.ud-main-content-wrapper > div.ud-main-content > div > div > div.paid-course-landing-page__container > div.sidebar-container-position-manager > div.course-landing-page_sidebar-container > div > div:nth-child(1) > div.sidebar-container--purchase-section--2DONZ > div > div > div.generic-purchase-section--buy-box-main--2o6Au > div > div.buy-button.buy-box--buy-box-item--2RETv.buy-box--buy-button--35r28 > div > button');
if (owned == null){
console.log("waiting 2 seconds");
setTimeout(stillFree, 2000);
}
if (owned.textContent == 'Go to course'){
alert("Course already owned!");
}
}
function stillFree(){
console.log("Checking if course is still free");
let freeOrNot = document.body.querySelector("#udemy > div.ud-main-content-wrapper > div.ud-main-content > div > div > div.paid-course-landing-page__container > div.sidebar-container-position-manager > div.course-landing-page_sidebar-container > div > div:nth-child(1) > div.sidebar-container--purchase-section--2DONZ > div > div > div.generic-purchase-section--buy-box-main--2o6Au > div > div.buy-button.buy-box--buy-box-item--2RETv.buy-box--buy-button--35r28 > div > button");
if(freeOrNot == null){
console.log("Going to add to our library, step by step");
console.log("waiting 2 seconds");
setTimeout(autoEnroll, 2000);
}
if (freeOrNot.textContent == 'Buy now'){
alert("Course no longer free, sorry");
}
}
function autoEnroll() {
console.log("Adding to our library");
let enrollNowButton = document.querySelectorAll('#udemy > div.ud-main-content-wrapper > div.ud-main-content > div > div > div.paid-course-landing-page__container > div.sidebar-container-position-manager > div.course-landing-page_sidebar-container > div > div:nth-child(1) > div.sidebar-container--purchase-section--2DONZ > div > div > div.generic-purchase-section--buy-box-main--2o6Au > div > div.buy-button.buy-box--buy-box-item--2RETv.buy-box--buy-button--35r28 > div > button')[Math.random() * 100 >= 50 ? 0 : 1];
if (enrollNowButton.textContent == 'Enroll now') {
console.log("clicking the button");
enrollNowButton.click();
} else {
console.log("No Button found yet, waiting 3 seconds");
setTimeout(autoEnroll, 3000);
}
}
setTimeout(courseIsFree, 3000);
})();