Torrent Collage Extensions for Gazelle

Click on collage size = browse through this collage; Alt + click on collage name = remove from this collage

当前为 2020-11-28 提交的版本,查看 最新版本

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴Greasemonkey 油猴子Violentmonkey 暴力猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴Violentmonkey 暴力猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴Userscripts ,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name         Torrent Collage Extensions for Gazelle
// @version      1.04
// @description  Click on collage size = browse through this collage; Alt + click on collage name = remove from this collage
// @author       Anakunda
// @license      GPL-3.0-or-later
// @copyright    2020, Anakunda (https://openuserjs.org/users/Anakunda)
// @namespace    https://greasyfork.org/users/321857-anakunda
// @match        https://*/torrents.php?id=*
// @grant        GM_getValue
// ==/UserScript==

'use strict';

const searchforcollage = document.getElementById('searchforcollage');
if (searchforcollage != null) {
	if (typeof SearchCollage == 'function') SearchCollage = () => {
		const searchTerm = $('#searchforcollage').val(),
					personalCollages = $('#personalcollages');
		ajax.get(`ajax.php?action=collages&search=${escape(searchTerm)}`, responseText => {
			const { response, status } = JSON.parse(responseText);
			if (status !== 'success') return;
			const categories = response.reduce((accumulator, item) => {
				const { collageCategoryName } = item;
				accumulator[collageCategoryName] = (accumulator[collageCategoryName] || []).concat(item);
				return accumulator;
			}, {});
			personalCollages.children().remove();
			Object.entries(categories).forEach(([category, collages]) => {
				console.log(collages);
				personalCollages.append(`
<optgroup label="${category}">
	${collages.reduce((accumulator, { id, name }) =>
		`${accumulator}<option value="${id}">${name}</option>`
	,'')}
</optgroup>
`);
			});
		});
	};

	function inputHandler(evt, key) {
		const data = evt[key].getData('text/plain').trim();
		if (!data) return true;
		evt.target.value = data;
		SearchCollage();
// 		setTimeout(function() {
// 			const add_to_collage_select = document.querySelector('select.add_to_collage_select');
// 			if (add_to_collage_select != null && add_to_collage_select.getElementsByTagName('option').length == 1)
// 				AddToCollage();
// 		}, 2000);
		return false;
	}
	searchforcollage.onpaste = evt => inputHandler(evt, 'clipboardData');
	searchforcollage.ondrop = evt => inputHandler(evt, 'dataTransfer');
}

if (!/\b(?:id)=(\d+)\b/i.test(document.location.search)) throw 'Unexpected URL format';
var torrentId = parseInt(RegExp.$1), auth = document.querySelector('input[name="auth"]');
if (auth == null) {
  auth = document.querySelector('li#nav_logout > a.user-info-bar__link');
  if (auth == null || !/\b(?:auth)=(\w+)\b/.test(auth.search)) throw 'Auth not found';
  auth = RegExp.$1;
} else auth = auth.value;
const siteApiTimeframeStorageKey = document.location.hostname + ' API time frame';
const gazelleApiFrame = 10500;
if (typeof GM_getValue == 'function') var redacted_api_key = GM_getValue('redacted_api_key');
try { var collages = JSON.parse(window.sessionStorage.collages) } catch(e) { collages = {} }
if (!collages[document.domain]) collages[document.domain] = {};

document.querySelectorAll('table[id$="collages"] > tbody > tr > td > a').forEach(function(link) {
  if (!link.pathname.startsWith('/collages.php') || !/\b(?:id)=(\d+)\b/.test(link.search)) return;
  var collageId = parseInt(RegExp.$1), toggle, navLinks = [],
	  numberColumn = link.parentNode.parentNode.querySelector('td.number_column');
  link.onclick = evt => evt.button == 0 && evt.altKey ? removeFromCollage(collageId, link) : true;
  link.title = 'Use Alt + left click to remove from this collage';
  if (numberColumn != null) {
	numberColumn.style.cursor = 'pointer';
	numberColumn.onclick = loadCollage;
	numberColumn.title = collages[document.domain][collageId] ? 'Refresh' : 'Load collage for direct browsing';
  }
  if (collages[document.domain][collageId]) {
	expandSection();
	addCollageLinks(collages[document.domain][collageId]);
  }

  function addCollageLinks(collage) {
	var index = collage.torrentgroups.findIndex(group => group.id == torrentId);
	if (index < 0) {
	  console.warn('Assertion failed: torrent', torrentId, 'not found in the collage', collage);
	  return false;
	}
	link.style.color = 'white';
	link.parentNode.parentNode.style = 'color:white; background-color: darkgoldenrod;';
	var stats = document.createElement('span');
	stats.textContent = `${index + 1} / ${collage.torrentgroups.length}`;
	stats.style = 'font-size: 8pt; color: antiquewhite; font-weight: 100; margin-left: 10px;';
	navLinks.push(stats);
	link.parentNode.append(stats);
	if (collage.torrentgroups[index - 1]) {
	  var a = document.createElement('a');
	  a.href = '/torrents.php?id=' + collage.torrentgroups[index - 1].id;
	  a.textContent = '[\xA0<\xA0]';
	  a.title = getTitle(index - 1);
	  a.style = 'color: chartreuse; margin-right: 10px;';
	  navLinks.push(a);
	  link.parentNode.prepend(a);
	  a = document.createElement('a');
	  a.href = '/torrents.php?id=' + collage.torrentgroups[0].id;
	  a.textContent = '[\xA0<<\xA0]';
	  a.title = getTitle(0);
	  a.style = 'color: chartreuse; margin-right: 5px;';
	  navLinks.push(a);
	  link.parentNode.prepend(a);
	}
	if (collage.torrentgroups[index + 1]) {
	  a = document.createElement('a');
	  a.href = '/torrents.php?id=' + collage.torrentgroups[index + 1].id;
	  a.textContent = '[\xA0>\xA0]';
	  a.title = getTitle(index + 1);
	  a.style = 'color: chartreuse; margin-left: 10px;';
	  navLinks.push(a);
	  link.parentNode.append(a);
	  a = document.createElement('a');
	  a.href = '/torrents.php?id=' + collage.torrentgroups[collage.torrentgroups.length - 1].id;
	  a.textContent = '[\xA0>>\xA0]';
	  a.title = getTitle(collage.torrentgroups.length - 1);
	  a.style = 'color: chartreuse; margin-left: 5px;';
	  navLinks.push(a);
	  link.parentNode.append(a);
	}
	return true;

	function getTitle(index) {
	  if (typeof index != 'number' || index < 0 || index >= collage.torrentgroups.length) return undefined;
	  var title = collage.torrentgroups[index].musicInfo && Array.isArray(collage.torrentgroups[index].musicInfo.artists) ?
		collage.torrentgroups[index].musicInfo.artists.map(artist => artist.name).join(', ') + ' - ' : '';
	  if (collage.torrentgroups[index].name) title += collage.torrentgroups[index].name;
	  if (collage.torrentgroups[index].year) title += ' (' + collage.torrentgroups[index].year + ')';
	  return title;
	}
  }

  function expandSection() {
	if (toggle === undefined) toggle = link.parentNode.parentNode.parentNode.querySelector('td > a[href="#"][onclick]');
	if (toggle === null || toggle.dataset.expanded) return false;
	toggle.dataset.expanded = true;
	toggle.click();
	return true;
  }

  function loadCollage(evt) {
	evt.target.disabled = true;
	navLinks.forEach(a => { a.remove() });
	navLinks = [];
	var span = document.createElement('span');
	span.textContent = '[\xA0loading...\xA0]';
	span.style = 'color: red; background-color: white; margin-left: 10px;';
	link.parentNode.append(span);
	queryAjaxAPI('collage', { id: collageId }).then(function(collage) {
	  span.remove();
	  cacheCollage(collage);
	  addCollageLinks(collage);
	  evt.target.disabled = false;
	}, function(reason) {
	  span.remove();
	  evt.target.disabled = false;
	});
	return false;
  }
});

function cacheCollage(collage) {
  collages[document.domain][collage.id] = {
	id: collage.id,
	name: collage.name,
	torrentgroups: collage.torrentgroups.map(group => ({
	  id: group.id,
	  musicInfo: group.musicInfo ? {
		artists: Array.isArray(group.musicInfo.artists) ?
		group.musicInfo.artists.map(artist => ({ name: artist.name })) : undefined,
	  } : undefined,
	  name: group.name,
	  year: group.year,
	})),
  };
  window.sessionStorage.collages = JSON.stringify(collages);
}

function removeFromCollage(collageId, node = null) {
  if (!confirm('Are you sure to remove from collage "' + node.textContent.trim() + '"?')) return false;
  let xhr = new XMLHttpRequest, params = new URLSearchParams({
	action: 'manage_handle',
	collageid: collageId,
	groupid: torrentId,
	auth: auth,
	submit: 'Remove',
  });
  xhr.open('POST', '/collages.php', true);
  xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
  xhr.onreadystatechange = function() {
	if (xhr.readyState != XMLHttpRequest.HEADERS_RECEIVED) return;
	if (xhr.status >= 200 && xhr.status < 400) {
	  if (node instanceof HTMLElement) node.parentNode.parentNode.remove(); else document.location.reload();
	} else errorHandler();
	xhr.abort();
  };
  xhr.onerror = errorHandler;
  xhr.send(params);
  return false;

  function errorHandler() { console.error('Failed to remove', torrentId, 'from collage', collageId, xhr) }
}

function queryAjaxAPI(action, params) {
  if (!action) return Promise.reject('Action missing');
  var retryCount = 0;
  return new Promise(function(resolve, reject) {
	params = new URLSearchParams(params || undefined);
	params.set('action', action);
	var url = '/ajax.php?' + params, xhr = new XMLHttpRequest;
	queryInternal();

	function queryInternal() {
	  var now = Date.now();
	  try { var apiTimeFrame = JSON.parse(window.localStorage[siteApiTimeframeStorageKey]) } catch(e) { apiTimeFrame = {} }
	  if (!apiTimeFrame.timeStamp || now > apiTimeFrame.timeStamp + gazelleApiFrame) {
		apiTimeFrame.timeStamp = now;
		apiTimeFrame.requestCounter = 1;
	  } else ++apiTimeFrame.requestCounter;
	  window.localStorage[siteApiTimeframeStorageKey] = JSON.stringify(apiTimeFrame);
	  if (apiTimeFrame.requestCounter <= 5) {
		xhr.open('GET', url, true);
		xhr.setRequestHeader('Accept', 'application/json');
		if (redacted_api_key) xhr.setRequestHeader('Authorization', redacted_api_key);
		xhr.responseType = 'json';
		//xhr.timeout = 5 * 60 * 1000;
		xhr.onload = function() {
		  if (xhr.status == 404) return reject('not found');
		  if (xhr.status < 200 || xhr.status >= 400) return reject(defaultErrorHandler(xhr));
		  if (xhr.response.status == 'success') return resolve(xhr.response.response);
		  if (xhr.response.error == 'not found') return reject(xhr.response.error);
		  console.warn('queryAjaxAPI.queryInternal(...) response:', xhr, xhr.response);
		  if (xhr.response.error == 'rate limit exceeded') {
			console.warn('queryAjaxAPI.queryInternal(...) ' + xhr.response.error + ':', apiTimeFrame, now, retryCount);
			if (retryCount++ <= 10) return setTimeout(queryInternal, apiTimeFrame.timeStamp + gazelleApiFrame - now);
		  }
		  reject('API ' + xhr.response.status + ': ' + xhr.response.error);
		};
		xhr.onerror = function() { reject(defaultErrorHandler(xhr)) };
		xhr.ontimeout = function() { reject(defaultTimeoutHandler(xhr)) };
		xhr.send();
	  } else {
		setTimeout(queryInternal, apiTimeFrame.timeStamp + gazelleApiFrame - now);
		console.debug('AJAX API request quota exceeded: /ajax.php?action=' +
			action + ' (' + apiTimeFrame.requestCounter + ')');
	  }
	}
  });
}

function defaultErrorHandler(response) {
  console.error('HTTP error:', response);
  var e = 'HTTP error ' + response.status;
  if (response.statusText) e += ' (' + response.statusText + ')';
  if (response.error) e += ' (' + response.error + ')';
  return e;
}

function defaultTimeoutHandler(response) {
  console.error('HTTP timeout:', response);
  const e = 'HTTP timeout';
  return e;
}