5/25/2024, 5:50:11 PM
// ==UserScript==
// @name metruyencv.com Tesseract
// @namespace Violentmonkey Scripts
// @match https://metruyencv.com/truyen/*
// @grant GM.setValue
// @grant GM.getValue
// @grant GM.listValues
// @grant GM.deleteValue
// @grant GM.setClipboard
// @version 1.22
// @author -
// @description 5/25/2024, 5:50:11 PM
// @require https://cdnjs.cloudflare.com/ajax/libs/tesseract.js/5.1.0/tesseract.min.js
// @require https://cdnjs.cloudflare.com/ajax/libs/dom-to-image/2.6.0/dom-to-image.min.js
// @run-at document-idle
// ==/UserScript==
let maxChapterNumber; // xoa = 100 de chay het cac chuong
maxChapterNumber = maxChapterNumber ?? 999999;
function sleep(ms) { return new Promise((rs) => setTimeout(rs, ms)); }
async function waitForKeyElement(el, ms = 3000, attr = false) {
const delay = 300;
const retry = Math.floor(ms / delay);
await sleep(delay);
for (let i = 0; i < retry; i++) {
let e = document.querySelector(el);
if (e) {
if (attr) {
switch (attr) {
case 'innerHTML':
case 'textContent':
case 'innerText': if (e.innerText) return true; break;
case 'value': if (e.value) return true; break;
default: if (e.getAttribute(attr)) return true;
}
} else return true;
}
await sleep(delay);
}
return false;
}
function reEnableConsoleLog() {
if (typeof console.log !== 'function') {
const iF = document.createElement('iframe');
document.body.appendChild(iF);
iF.style.display = 'none';
window.console.log = iF.contentWindow.console.log;
}
}
function isChuongCuoi() { return location.href.endsWith('/chuong-cuoi') }
async function startDownload(url) {
if (!window.location.href.startsWith('https://metruyencv.com/truyen/')) return;
await GM.setValue('downloading', true);
if (/^https:\/\/metruyencv\.com\/truyen\/[a-z\-\d]+\/?$/.test(window.location.href)) window.location.assign(window.location.href + '/chuong-1');
else window.location.reload();
}
async function loadChapterContent() {
let chapterContent = '';
await sleep(100);
await waitForKeyElement('#load-more', 3000, 'innerText');
if (document.querySelectorAll('#chapter-detail canvas').length > 0) {
let im = await domtoimage.toPng(document.querySelector('#chapter-detail')); //800ms
const ts = await Tesseract.createWorker('vie');
const ret = await ts.recognize(im); //40s-180s
chapterContent = ret.data.text;
ts.terminate();
}
else chapterContent = document.querySelector('#chapter-detail').innerText;
return chapterContent;
}
async function getChapterContent() {
await sleep(100);
await waitForKeyElement('#load-more', 3000, 'innerText');
await sleep(300); //cho chac an
let canvas = document.querySelectorAll('#chapter-detail canvas');
if (canvas.length > 0) {
let img = await domtoimage.toPng(document.querySelector('#chapter-detail')); //800ms
const scheduler = await Tesseract.createScheduler();
let workers = Array(navigator.hardwareConcurrency - 1);
for (let i = 0; i < workers.length; i++) workers[i] = await Tesseract.createWorker('vie');
workers = await Promise.all(workers.map((wk) => (scheduler.addWorker(wk))));
let result = await Promise.all(Array.from(canvas).map((cv) => (scheduler.addJob('recognize', cv.toDataURL()))));
result.forEach((e, i) => canvas[i].outerHTML = `<fromcanvas>${e.data.text}</fromcanvas>`);
scheduler.terminate();
}
return document.querySelector('#chapter-detail')?.innerText;
}
async function finishdownload() {
let storyName = await GM.getValue('storyName');
await GM.deleteValue('storyName');
await GM.deleteValue('downloading');
let chapters = await GM.listValues();
let content = await Promise.all(chapters.map(chapter => GM.getValue(`${chapter}`)));
chapters.forEach(async (val) => await GM.deleteValue(val));
content = content.join('\n\n').replaceAll(/\n{1,1}/g, '\n\n').replaceAll(/\n{3,}/g, '\n\n');
download = document.createElement('a');
download.href = 'data:attachment/text,' + encodeURI(content);
download.target = '_blank';
download.download = storyName + '.txt';
download.click();
}
(async function () {
window.scrollTo(0, 10000);
reEnableConsoleLog();
let arr = window.location.href.match(/^https:\/\/metruyencv\.com\/truyen\/[a-z\-\d]+\/chuong-(\d+|cuoi)/i);
let chapterNumber = (arr && arr[1]) ? (isNaN(arr[1]) ? 0 : Number(arr[1])) : 0; //0 means 'chuong-cuoi'
let downloading = await GM.getValue('downloading', false);
if (downloading) {
document.body.addEventListener('keypress', async (event) => { if (event.key == 'F9' || event.code == 'F9') await finishdownload() });
if (isChuongCuoi() || chapterNumber == 0 || chapterNumber > maxChapterNumber) { await finishdownload(); return; }
else {
let chapterContent = await getChapterContent();
const story = document.querySelector('main h1>a').textContent.trim();
const chapterTitle = document.querySelector('main h2').textContent.trim();
let storyName = await GM.getValue('storyName', '');
if (storyName == '') await GM.setValue('storyName', story);
await GM.setValue(chapterNumber.toString(), chapterTitle + '\n\n' + chapterContent);
//move to next chapter
document.querySelector('[data-x-bind="GoNext"]').click();
}
} else { // else of if(downloading)
await GM.deleteValue('downloading');
const btn = document.createElement('button');
document.body.appendChild(btn);
btn.innerText = 'Bam de tai toan bo truyen';
btn.onclick = startDownload;
btn.style.border = "1px solid";
btn.style.backgroundColor = 'red';
console.time('Chay trong thoi gian');
window.scrollTo(0, 10000);
reEnableConsoleLog();
let content = await getChapterContent();
await GM.setClipboard(content);
console.log(content);
console.timeEnd('Chay trong thoi gian');
}
})();