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JavDB 收藏导出

导出“想看”和“看过”，进入这两个页面的第一页点击右上角的“开始导出”即可，导出为格式为 JSON。

当前为 2023-05-28 提交的版本，查看 最新版本。

// ==UserScript==
// @name         JavDB 收藏导出
// @namespace    https://gist.github.com/nini22P/021f2db060aab1785151d1a0c142714a
// @version      1
// @description  导出“想看”和“看过”，进入这两个页面的第一页点击右上角的“开始导出”即可，导出为格式为 JSON。
// @match        https://javdb.com/users/*
// @grant        GM_xmlhttpRequest
// @grant        GM_listValues
// @license MIT
// ==/UserScript==

let allVideoTitles = JSON.parse(localStorage.getItem('videoTitles')) || [];
let allowExport = JSON.parse(localStorage.getItem('allowExport')) || false;
let exportButton = null;

function extractVideoTitles() {
  const videoTitleElements = document.querySelectorAll('.video-title');
  const videoTitles = Array.from(videoTitleElements).map((element) => {
    const title = element.textContent.trim(); // Remove leading and trailing whitespace
    const [id, ...titleWords] = title.split(' '); // Split the title into ID and title words
    const formattedTitle = titleWords.join(' '); // Join the title words back together
    return { id, title: formattedTitle };
  });
  return videoTitles;
}

function scrapeAllPages() {
  const videoTitles = extractVideoTitles();
  allVideoTitles = allVideoTitles.concat(videoTitles);
  localStorage.setItem('videoTitles', JSON.stringify(allVideoTitles)); // Save the video titles to local storage
  const nextPageButton = document.querySelector('.pagination-next');
  if (nextPageButton) {
    nextPageButton.click();
    setTimeout(() => scrapeAllPages(), 2000); // Wait for 2 seconds before scraping again
  } else {
    exportVideoTitles();
  }
}

function exportVideoTitles() {
  allowExport = false;
  localStorage.setItem('allowExport', JSON.stringify(allowExport)); // Disable export after exporting
  allVideoTitles.sort((a, b) => a.id.localeCompare(b.id)); // Sort the video titles by ID
  const json = JSON.stringify(allVideoTitles);
  const jsonBlob = new Blob([json], { type: 'application/json' });
  const jsonUrl = URL.createObjectURL(jsonBlob);
  const downloadLink = document.createElement('a');
  let fileName = '';
  if (window.location.href.includes('/watched_videos')) {
    fileName = 'watched_videos'
  } else if (window.location.href.includes('/want_watch_videos')) {
    fileName = 'want_watch_videos'
  }
  downloadLink.href = jsonUrl;
  downloadLink.download = `${fileName}.json`;
  document.body.appendChild(downloadLink);
  downloadLink.click();
  localStorage.removeItem('videoTitles'); // Remove the video titles from local storage after exporting
  exportButton.textContent = '导出完毕'; // Update the export button text
}

function startExport() {
  allowExport = true;
  localStorage.setItem('allowExport', JSON.stringify(allowExport)); // Enable export
  exportButton.textContent = '导出中...'; // Update the export button text
  scrapeAllPages();
}

function createExportButton() {
  const navbarEnd = document.querySelector('.navbar-end');
  exportButton = document.createElement('button');
  exportButton.textContent = '开始导出';
  exportButton.addEventListener('click', startExport);
  navbarEnd.appendChild(exportButton);
}

if (window.location.href.includes('/watched_videos') || window.location.href.includes('/want_watch_videos')) {
  createExportButton();
  if (allowExport) {
    startExport();
  }
}