// ==UserScript==
// @name [GMT] Collage Extensions
// @version 1.25.0
// @description Direct browsing from torrent pages; quick groups removal, custom quick Add To Collage form
// @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://*/collages.php?id=*
// @match https://*/collages.php?page=*&id=*
// @match https://*/collage.php?id=*
// @match https://*/collage.php?page=*&id=*
// @match https://*/artist.php?*id=*
// @grant GM_getValue
// @grant GM_setValue
// @grant GM_registerMenuCommand
// @grant GM_openInTab
// @grant GM_setClipboard
// @require https://openuserjs.org/src/libs/Anakunda/libLocks.min.js
// @require https://openuserjs.org/src/libs/Anakunda/gazelleApiLib.min.js
// @require https://openuserjs.org/src/libs/Anakunda/libCtxtMenu.min.js
// ==/UserScript==
'use strict';
let userAuth = document.body.querySelector('input[name="auth"][value]');
if (userAuth != null) userAuth = userAuth.value;
else if ((userAuth = document.body.querySelector('li#nav_logout > a')) == null
|| !(userAuth = new URLSearchParams(userAuth.search).get('auth'))) throw 'Auth not found';
let userId = document.body.querySelector('li#nav_userinfo > a.username');
if (userId != null) {
userId = new URLSearchParams(userId.search);
userId = parseInt(userId.get('id'));
}
function addToTorrentCollage(collageId, groupId) {
if (!(collageId > 0)) throw 'collage id invalid';
if (!(groupId > 0)) throw 'torrent group id invalid';
return (ajaxApiKey ? queryAjaxAPI('addtocollage', { collageid: collageId }, { groupids: groupId })
.then(response => response.groupsadded.includes(groupId) ? true : Promise.reject('Rejected'))
: Promise.reject('API key not set')).catch(reason => queryAjaxAPI('collage', { id: collageId, showonlygroups: 1 }).then(collage =>
!collage.torrentgroups.map(torrentgroup => parseInt(torrentgroup.id)).includes(groupId) ? collage.id
: Promise.reject('already in collage')).then(collageId => new Promise(function(resolve, reject) {
const xhr = new XMLHttpRequest, formData = new URLSearchParams({
action: 'add_torrent',
collageid: collageId,
groupid: groupId,
url: document.location.origin.concat('/torrents.php?id=', groupId),
auth: userAuth,
});
xhr.open('POST', '/collages.php', true);
xhr.onreadystatechange = function() {
if (xhr.readyState < XMLHttpRequest.DONE) return;
if (xhr.status >= 200 && xhr.status < 400) resolve(xhr.readyState); else reject(defaultErrorHandler(xhr));
};
xhr.onerror = function() { reject(defaultErrorHandler(xhr)) };
xhr.ontimeout = function() { reject(defaultTimeoutHandler(xhr)) };
xhr.send(formData);
})).then(readyState => queryAjaxAPI('collage', { id: collageId, showonlygroups: 1 }).then(collage =>
collage.torrentgroups.map(torrentgroup => parseInt(torrentgroup.id)).includes(groupId)
|| Promise.reject('Error: not added for unknown reason'))));
}
function removeFromTorrentCollage(collageId, groupId, question) {
if (!confirm(question)) return Promise.reject('Cancelled');
return new Promise(function(resolve, reject) {
let xhr = new XMLHttpRequest, formData = new URLSearchParams({
action: 'manage_handle',
collageid: collageId,
groupid: groupId,
auth: userAuth,
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) resolve(xhr.status); else reject(defaultErrorHandler(xhr));
xhr.abort();
};
xhr.onerror = function() { reject(defaultErrorHandler(xhr)) };
xhr.ontimeout = function() { reject(defaultTimeoutHandler(xhr)) };
xhr.send(formData);
});
}
function addToArtistCollage(collageId, artistId) {
if (!(collageId > 0)) throw 'collage id invalid';
if (!(artistId > 0)) throw 'artist id invalid';
return queryAjaxAPI('collage', { id: collageId, showonlygroups: 1 }).then(collage =>
!collage.artists.map(artist => parseInt(artist.id)).includes(artistId) ? collage.id
: Promise.reject('already in collage')).then(collageId => new Promise(function(resolve, reject) {
const xhr = new XMLHttpRequest, formData = new URLSearchParams({
action: 'add_artist',
collageid: collageId,
artistid: artistId,
url: document.location.origin.concat('/artist.php?id=', artistId),
auth: userAuth,
});
xhr.open('POST', '/collages.php', true);
xhr.onreadystatechange = function() {
if (xhr.readyState < XMLHttpRequest.DONE) return;
if (xhr.status >= 200 && xhr.status < 400) resolve(xhr.readyState); else reject(defaultErrorHandler(xhr));
};
xhr.onerror = function() { reject(defaultErrorHandler(xhr)) };
xhr.ontimeout = function() { reject(defaultTimeoutHandler(xhr)) };
xhr.send(formData);
})).then(readyState => queryAjaxAPI('collage', { id: collageId, showonlygroups: 1 }).then(collage =>
collage.artists.map(artist => parseInt(artist.id)).includes(artistId)
|| Promise.reject('Error: not added for unknown reason')));
}
function removeFromArtistCollage(collageId, artistId, question) {
if (!confirm(question)) return Promise.reject('Cancelled');
return new Promise(function(resolve, reject) {
let xhr = new XMLHttpRequest, formData = new URLSearchParams({
action: 'manage_artists_handle',
collageid: collageId,
artistid: artistId,
auth: userAuth,
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) resolve(xhr.status); else reject(defaultErrorHandler(xhr));
xhr.abort();
};
xhr.onerror = function() { reject(defaultErrorHandler(xhr)) };
xhr.ontimeout = function() { reject(defaultTimeoutHandler(xhr)) };
xhr.send(formData);
});
}
function addQuickAddForm() {
if (!userId || !groupId && !artistId) return; // User id missing
let ref = document.querySelector('div.sidebar');
if (ref == null) return; // Sidebar missing
const addSuccess = 'Successfully added to collage.';
const alreadyInCollage = 'Error: This ' +
(groupId ? 'torrent group' : artistId ? 'artist' : null) + ' is already in this collage';
new Promise(function(resolve, reject) {
try {
var categories = JSON.parse(GM_getValue(document.location.hostname + '-categories'));
if (categories.length > 0) resolve(categories); else throw 'empty list cached';
} catch(e) {
let xhr = new XMLHttpRequest;
xhr.open('GET', '/collages.php', true);
xhr.responseType = 'document';
xhr.onload = function() {
if (xhr.status >= 200 && xhr.status < 400) {
categories = [ ];
xhr.response.querySelectorAll('tr#categories > td > label').forEach(function(label, index) {
let input = xhr.response.querySelector('tr#categories > td > input#' + label.htmlFor);
categories[input != null && /\[(\d+)\]/.test(input.name) ? parseInt(RegExp.$1) : index] = label.textContent.trim();
});
if (categories.length > 0) {
GM_setValue(document.location.hostname + '-categories', JSON.stringify(categories));
resolve(categories);
} else reject('Site categories could not be extracted');
} else reject(defaultErrorHandler(xhr));
};
xhr.onerror = function() { reject(defaultErrorHandler(xhr)) };
xhr.ontimeout = function() { reject(defaultTimeoutHandler()) };
xhr.send();
}
}).then(function(categories) {
const artistsIndexes = categories
.map((category, index) => /^(?:Artists)$/i.test(category) ? index : -1)
.filter(index => index >= 0);
if (artistId && artistsIndexes.length <= 0) throw 'Artists index not found';
const isCompatibleCategory = categoryId => categoryId >= 0 && categoryId < categories.length
&& (groupId && !artistsIndexes.includes(categoryId) || artistId && artistsIndexes.includes(categoryId));
document.head.appendChild(document.createElement('style')).innerHTML = `
form#addtocollage optgroup { background-color: slategray; color: white; }
form#addtocollage option { background-color: white; color: black; max-width: 290pt; }
div.box_addtocollage > form { padding: 0px 10px; }
`;
let elem = document.createElement('div');
elem.className = 'box box_addtocollage';
elem.style = 'padding: 0 0 10px;';
elem.innerHTML = `
<div class="head" style="margin-bottom: 5px;"><strong>Add to Collage</strong></div>
<div id="ajax_message" class="hidden center" style="padding: 7px 0px;"></div>
<form id="searchcollages">
<input id="searchforcollage" placeholder="Collage search" type="text" style="max-width: 10em;">
<input id="searchforcollagebutton" value="Search" type="submit" style="max-width: 4em;">
</form>
<form id="addtocollage" class="add_form" name="addtocollage">
<select name="collageid" id="matchedcollages" class="add_to_collage_select" style="width: 96%;">
<input id="opencollage-btn" value="Open collage" type="button">
<input id="addtocollage-btn" value="Add to collage" type="button">
</form>
`;
ref.append(elem);
let ajaxMessage = document.getElementById('ajax_message');
let srchForm = document.getElementById('searchcollages');
if (srchForm == null) throw new Error('#searchcollages missing');
let searchText = document.getElementById('searchforcollage');
if (searchText == null) throw new Error('#searchforcollage missing');
let dropDown = document.getElementById('matchedcollages');
if (dropDown == null) throw new Error('#matchedcollages missing');
let doOpen = document.getElementById('opencollage-btn');
let doAdd = document.getElementById('addtocollage-btn');
if (doAdd == null) throw new Error('#addtocollage-btn missing');
let searchforcollagebutton = document.getElementById('searchforcollagebutton');
if (searchforcollagebutton != null) searchforcollagebutton.disabled = searchText.value.length <= 0;
srchForm.onsubmit = searchSubmit;
searchText.ondrop = evt => dataHandler(evt.currentTarget, evt.dataTransfer);
searchText.onpaste = evt => dataHandler(evt.currentTarget, evt.clipboardData);
searchText.oninput = function(evt) {
if (searchforcollagebutton != null) searchforcollagebutton.disabled = evt.currentTarget.value.length <= 0;
};
if (doOpen != null) doOpen.onclick = openCollage;
doAdd.onclick = addToCollage;
let initTimeCap = GM_getValue('max_preload_time', 0); // max time in ms to preload the dropdown
if (initTimeCap > 0) findCollages({ userid: userId, contrib: 1 }, initTimeCap);
function clearList() {
while (dropDown.childElementCount > 0) dropDown.removeChild(dropDown.firstElementChild);
}
function findCollages(query, maxSearchTime) {
return typeof query == 'object' ? new Promise(function(resolve, reject) {
let start = Date.now();
searchFormEnable(false);
clearList();
elem = document.createElement('option');
elem.text = 'Searching...';
dropDown.add(elem);
dropDown.selectedIndex = 0;
let retryCount = 0, options = [ ];
searchInternal();
function searchInternal(page) {
if (maxSearchTime > 0 && Date.now() - start > maxSearchTime) {
reject('Time limit exceeded');
return;
}
let xhr = new XMLHttpRequest, _query = new URLSearchParams(query);
if (!page) page = 1;
_query.set('page', page);
xhr.open('GET', '/collages.php?' + _query, true);
xhr.responseType = 'document';
xhr.onload = function() {
if (xhr.status < 200 || xhr.status >= 400) throw defaultErrorHandler(xhr);
xhr.response.querySelectorAll('table.collage_table > tbody > tr[class^="row"]').forEach(function(tr, rowNdx) {
if ((ref = tr.querySelector(':scope > td:nth-of-type(1) > a')) == null) {
console.warn('Page parsing error');
return;
}
elem = document.createElement('option');
if ((elem.category = categories.findIndex(category => category.toLowerCase() == ref.textContent.toLowerCase())) < 0
&& /\b(?:cats)\[(\d+)\]/i.test(ref.search)) elem.category = parseInt(RegExp.$1); // unsafe due to site bug
if ((ref = tr.querySelector(':scope > td:nth-of-type(2) > a')) == null || !/\b(?:id)=(\d+)\b/i.test(ref.search)) {
console.warn(`Unknown collage id (${xhr.responseURL}/${rowNdx})`);
return;
}
elem.value = elem.collageId = parseInt(RegExp.$1);
elem.text = elem.title = ref.textContent.trim();
if ((ref = tr.querySelector(':scope > td:nth-of-type(3)')) != null) elem.size = parseInt(ref.textContent);
if ((ref = tr.querySelector(':scope > td:nth-of-type(4)')) != null) elem.subscribers = parseInt(ref.textContent);
if ((ref = tr.querySelector(':scope > td:nth-of-type(6) > a')) != null
&& /\b(?:id)=(\d+)\b/i.test(ref.search)) elem.author = parseInt(RegExp.$1);
if (isCompatibleCategory(elem.category) && (elem.category != 0 || elem.author == userId)) options.push(elem);
});
if (xhr.response.querySelector('div.linkbox > a.pager_next') != null) searchInternal(page + 1); else {
if (!Object.keys(query).includes('order'))
options.sort((a, b) => (b.size || 0) - (a.size || 0)/*a.title.localeCompare(b.title)*/);
resolve(options);
}
};
xhr.onerror = function() {
if (xhr.status == 0 && retryCount++ <= 10) setTimeout(function() { searchInternal(page) }, 200);
else reject(defaultErrorHandler(xhr));
};
xhr.ontimeout = function() { reject(defaultTimeoutHandler()) };
xhr.send();
}
}).then(function(options) {
clearList();
categories.forEach(function(category, ndx) {
let _category = options.filter(option => option.category == ndx);
if (_category.length <= 0) return;
elem = document.createElement('optgroup');
elem.label = category;
elem.append(..._category);
dropDown.add(elem);
});
dropDown.selectedIndex = 0;
searchFormEnable(true);
return options;
}).catch(function(reason) {
clearList();
searchFormEnable(true);
console.warn(reason);
}) : Promise.reject('Invalid parameter');
}
function searchFormEnable(enabled) {
for (let i = 0; i < srchForm.length; ++i) srchForm[i].disabled = !enabled;
}
function searchSubmit(evt) {
let searchTerm = searchText.value.trim();
if (searchTerm.length <= 0) return false;
let query = {
action: 'search',
search: searchTerm,
type: 'c.name',
order: 'Updated',
sort: 'desc',
order_way: 'Descending',
};
categories.map((category, index) => 'cats[' + index + ']')
.filter((category, index) => isCompatibleCategory(index))
.forEach(index => { query[index] = 1 });
findCollages(query);
return false;
}
function addToCollage(evt) {
(function() {
evt.currentTarget.disabled = true;
if (ajaxMessage != null) ajaxMessage.classList.add('hidden');
let collageId = parseInt(dropDown.value);
if (!collageId) return Promise.reject('No collage selected');
/*
if (Array.from(document.querySelectorAll('table.collage_table > tbody > tr:not([class="colhead"]) > td > a'))
.map(node => /\b(?:id)=(\d+)\b/i.test(node.search) && parseInt(RegExp.$1)).includes(collageId))
return Promise.reject(alreadyInCollage);
*/
if (groupId > 0) return addToTorrentCollage(collageId, groupId);
if (artistId > 0) return addToArtistCollage(collageId, artistId);
return Promise.reject('munknown page class');
})().then(function(collage) {
if (ajaxMessage != null) {
ajaxMessage.innerHTML = '<span style="color: #0A0;">' + addSuccess + '</span>';
ajaxMessage.classList.remove('hidden');
}
evt.currentTarget.disabled = false;
let mainColumn = document.querySelector('div.main_column');
if (mainColumn == null) return collage;
let tableName = collage.collageCategoryID != 0 ? 'collages' : 'personal_collages'
let tbody = mainColumn.querySelector('table#' + tableName + ' > tbody');
if (tbody == null) {
tbody = document.createElement('tbody');
tbody.innerHTML = '<tr class="colhead"><td width="85%"><a href="#">↑</a> </td><td># torrents</td></tr>';
elem = document.createElement('table');
elem.id = tableName;
elem.className = 'collage_table';
elem.append(tbody);
mainColumn.insertBefore(elem, [
'table#personal_collages', 'table#vote_matches', 'div.torrent_description',
'div#similar_artist_map', 'div#artist_information',
].reduce((acc, selector) => acc || document.querySelector(selector), null));
}
tableName = '\xA0This ' + (artistsIndexes.includes(collage.collageCategoryID) ? 'artist' : 'album') + ' is in ' +
tbody.childElementCount + ' ' + (collage.collageCategoryID != 0 ? 'collage' : 'personal collage');
if (tbody.childElementCount > 1) tableName += 's';
tbody.firstElementChild.firstElementChild.childNodes[1].data = tableName;
elem = document.createElement('tr');
elem.className = 'collage_rows';
if (tbody.querySelector('tr.collage_rows.hidden') != null) elem.classList.add('hidden');
elem.innerHTML = '<td><a href="/collages.php?id=' + collage.id + '">' + collage.name + '</a></td><td class="number_column">' +
collage[artistsIndexes.includes(collage.collageCategoryID) ? 'artists' : 'torrentgroups'].length + '</td>';
tbody.append(elem);
return collage;
}).catch(function(reason) {
evt.currentTarget.disabled = false;
if (ajaxMessage == null) return;
ajaxMessage.innerHTML = '<span style="color: #A00;">' + reason.toString() + '</span>';
ajaxMessage.classList.remove('hidden');
});
}
function openCollage(evt) {
const collageId = parseInt(dropDown.value);
if (collageId <= 0) return false;
let win = window.open('/collages.php?id=' + collageId, '_blank');
win.focus();
}
function dataHandler(target, data) {
const text = data.getData('text/plain');
if (!text) return false;
if (searchforcollagebutton != null) searchforcollagebutton.disabled = false;
target.value = text;
srchForm.onsubmit();
return false;
}
});
}
const contextId = 'context-9b7e0e42-1e35-4518-ac5f-b6bb31cce23f';
let menu = document.createElement('menu');
menu.type = 'context';
menu.id = contextId;
function contextUpdater(evt) { menu = evt.currentTarget }
menu.innerHTML = '<menuitem label="Remove from this collage" icon="data:image/png;base64,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" /><menuitem label="-" />';
function subscribeCallback(evt) {
let link = menu || evt.relatedTarget || document.activeElement;
if (!(link instanceof HTMLAnchorElement)) return true;
let collageId = parseInt(new URLSearchParams(link.search).get('id'));
if (!collageId) {
console.warn('Assertion failed: no collage id', link);
throw 'no id';
}
let xhr = new XMLHttpRequest;
xhr.open('GET', '/userhistory.php?' + new URLSearchParams({
action: 'collage_subscribe',
collageid: collageId,
auth: userAuth,
}), true);
xhr.onreadystatechange = function() {
if (xhr.readyState < XMLHttpRequest.HEADERS_RECEIVED) return;
if (xhr.status >= 200 && xhr.status < 400) { console.info('Subscribed to collage id', collageId) }
else console.error(defaultErrorHandler(xhr));
xhr.abort();
};
xhr.send();
}
const maxOpenTabs = GM_getValue('max_open_tabs', 25), autoCloseTimeout = GM_getValue('tab_auto_close_timeout', 0);
let openedTabs = [ ], lastOnQueue;
function openTabLimited(endpoint, params, hash) {
if (typeof GM_openInTab != 'function') return Promise.reject('Not supported');
if (!endpoint) return Promise.reject('Invalid argument');
const waitFreeSlot = () => (maxOpenTabs > 0 && openedTabs.length >= maxOpenTabs ?
Promise.race(openedTabs.map(tabHandler => new Promise(function(resolve) {
console.assert(!tabHandler.closed);
if (!tabHandler.closed) tabHandler.resolver = resolve; else resolve(tabHandler);
}))) : Promise.resolve(null)).then(function(tabHandler) {
console.assert(openedTabs.length <= maxOpenTabs);
const url = new URL(endpoint + '.php', document.location.origin);
if (params) for (let param in params) url.searchParams.set(param, params[param]);
if (hash) url.hash = hash;
(tabHandler = GM_openInTab(url.href, true)).onclose = function() {
console.assert(this.closed);
if (this.autoCloseTimer >= 0) clearTimeout(this.autoCloseTimer);
const index = openedTabs.indexOf(this);
console.assert(index >= 0);
if (index >= 0) openedTabs.splice(index, 1);
else openedTabs = openedTabs.filter(opernGroup => !opernGroup.closed);
if (typeof this.resolver == 'function') this.resolver(this);
}.bind(tabHandler);
if (autoCloseTimeout > 0) tabHandler.autoCloseTimer = setTimeout(tabHandler =>
{ if (!tabHandler.closed) tabHandler.close() }, autoCloseTimeout * 1000, tabHandler);
openedTabs.push(tabHandler);
return tabHandler;
});
return lastOnQueue = lastOnQueue instanceof Promise ? lastOnQueue.then(waitFreeSlot) : waitFreeSlot();
}
const urlParams = new URLSearchParams(document.location.search);
let groupId, artistId, collageId;
switch (document.location.pathname) {
case '/torrents.php': {
function cacheCollage(collage) {
collages[document.domain][collage.id] = {
id: collage.id,
name: collage.name,
torrentgroups: collage.torrentgroups.map(torrentgroup => ({
id: torrentgroup.id,
musicInfo: torrentgroup.musicInfo ? {
artists: Array.isArray(torrentgroup.musicInfo.artists) ?
torrentgroup.musicInfo.artists.map(artist => ({ name: artist.name })) : undefined,
} : undefined,
name: torrentgroup.name,
year: parseInt(torrentgroup.year) || undefined,
})),
};
window.sessionStorage.setItem('collages', JSON.stringify(collages));
}
if (!(groupId = parseInt(urlParams.get('id'))) > 0) break; // Unexpected URL format
const searchforcollage = document.getElementById('searchforcollage'),
submitButton = document.getElementById('searchforcollagebutton'),
addToCollageSelect = document.body.querySelector('select.add_to_collage_select');
var collages;
if (searchforcollage != null) {
if (submitButton != null) submitButton.disabled = searchforcollage.value.length <= 0;
if (typeof SearchCollage == 'function') SearchCollage = () => {
const searchTerm = $('#searchforcollage').val(),
personalCollages = $('#personalcollages');
ajax.get(`ajax.php?action=collages&search=${encodeURIComponent(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>
`);
});
});
};
if (addToCollageSelect != null) addToCollageSelect.selectedIndex = -1;
function inputHandler(evt, key) {
const data = evt[key].getData('text/plain').trim();
if (!data) return true;
evt.currentTarget.value = data;
if (submitButton != null) submitButton.disabled = false;
SearchCollage();
setTimeout(function() {
if (addToCollageSelect != null && addToCollageSelect.options.length > 1) {
// TODO: expand
}
}, 3000);
return false;
}
searchforcollage.onpaste = evt => inputHandler(evt, 'clipboardData');
searchforcollage.ondrop = evt => inputHandler(evt, 'dataTransfer');
searchforcollage.oninput = function(evt) {
if (submitButton != null) submitButton.disabled = evt.currentTarget.value.length <= 0;
};
searchforcollage.onkeypress = function(evt) {
if (evt.key == 'Enter' && evt.currentTarget.value.length > 0) SearchCollage();
};
} else addQuickAddForm();
if ('collages' in window.sessionStorage) try { collages = JSON.parse(window.sessionStorage.getItem('collages')) }
catch(e) { console.warn(e) }
if (!collages) collages = { };
if (!(document.domain in collages)) collages[document.domain] = { };
function callback(evt) {
switch (evt.currentTarget.nodeName) {
case 'A':
if (evt.button != 0 || !evt.altKey) return true;
var link = evt.currentTarget;
break;
case 'MENUITEM':
link = menu || evt.relatedTarget || document.activeElement;
break;
}
if (!(link instanceof HTMLAnchorElement)) return true;
let collageId = parseInt(new URLSearchParams(link.search).get('id'));
if (!collageId) {
console.warn('Assertion failed: no collage id', link);
throw 'no id';
}
return removeFromTorrentCollage(collageId, groupId,
'Are you sure to remove this group from collage "' + link.textContent.trim() + '"?').then(function(status) {
const tr = link.parentNode.parentNode, table = tr.parentNode.parentNode;
tr.remove();
if (table.querySelectorAll('tbody > tr:not([class="colhead"])').length <= 0) table.remove();
});
}
menu.children[0].onclick = callback;
let subscribeCmd = document.createElement('menuitem');
subscribeCmd.label = 'Subscribe to this collage - toggle (!)';
subscribeCmd.title = 'Use with care - toggling command; on already subscribed collages performs unsubscribe';
subscribeCmd.onclick = subscribeCallback;
menu.insertBefore(subscribeCmd, menu.children[1]);
document.body.append(menu);
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;
let collageId = parseInt(RegExp.$1), toggle, navLinks = [ ],
numberColumn = link.parentNode.parentNode.querySelector('td.number_column');
link.onclick = callback;
link.oncontextmenu = contextUpdater;
link.setAttribute('contextmenu', contextId);
link.title = 'Use Alt + left click or context menu(FF) 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(torrentgroup => parseInt(torrentgroup.id) == groupId);
if (index < 0) {
console.warn('Assertion failed: torrent', groupId, '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.classList.add('brackets');
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.classList.add('brackets');
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.classList.add('brackets');
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.classList.add('brackets');
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;
let 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.currentTarget.disabled = true;
navLinks.forEach(a => { a.remove() });
navLinks = [];
let 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, showonlygroups: 1 }).then(function(collage) {
span.remove();
cacheCollage(collage);
addCollageLinks(collage);
evt.currentTarget.disabled = false;
}, function(reason) {
span.remove();
evt.currentTarget.disabled = false;
});
return false;
}
});
// GM_registerMenuCommand('Add to "Broken covers... collage',
// () => { addToTorrentCollage(31445, groupId).catch(alert) });
break;
}
case '/artist.php': {
function cacheCollage(collage) {
collages[document.domain][collage.id] = {
id: collage.id,
name: collage.name,
artists: collage.artists.map(artist => ({
id: artist.id,
name: artist.name,
})),
};
window.sessionStorage.setItem('collages', JSON.stringify(collages));
}
if (!((artistId = parseInt(urlParams.get('id'))) > 0)) break; // Unexpected URL format
addQuickAddForm();
if ('collages' in window.sessionStorage) try { collages = JSON.parse(window.sessionStorage.getItem('collages')) }
catch(e) { console.warn(e) }
if (!collages) collages = { };
if (!(document.domain in collages)) collages[document.domain] = { };
function callback(evt) {
switch (evt.currentTarget.nodeName) {
case 'A':
if (evt.button != 0 || !evt.altKey) return true;
var link = evt.currentTarget;
break;
case 'MENUITEM':
link = menu || evt.relatedTarget || document.activeElement;
break;
}
if (!(link instanceof HTMLAnchorElement)) return true;
let collageId = parseInt(new URLSearchParams(link.search).get('id'));
if (!collageId) {
console.warn('Assertion failed: no collage id', link);
throw 'no id';
}
return removeFromArtistCollage(collageId, artistId,
'Are you sure to remove this artist from collage "' + link.textContent.trim() + '"?').then(function(status) {
const tr = link.parentNode.parentNode, table = tr.parentNode.parentNode;
tr.remove();
if (table.querySelectorAll('tbody > tr:not([class="colhead"])').length <= 0) table.remove();
});
}
menu.children[0].onclick = callback;
let subscribeCmd = document.createElement('menuitem');
subscribeCmd.label = 'Subscribe to this collage - toggle (!)';
subscribeCmd.title = 'Use with care - toggling command; on already subscribed collages performs unsubscribe';
subscribeCmd.onclick = subscribeCallback;
menu.insertBefore(subscribeCmd, menu.children[1]);
document.body.append(menu);
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;
let collageId = parseInt(RegExp.$1), toggle, navLinks = [],
numberColumn = link.parentNode.parentNode.querySelector('td:last-of-type');
link.onclick = callback;
link.oncontextmenu = contextUpdater;
link.setAttribute('contextmenu', contextId);
link.title = 'Use Alt + left click or context menu(FF) to remove from this collage';
if (numberColumn != null) {
numberColumn.style.cursor = 'pointer';
numberColumn.onclick = loadCollage;
numberColumn.title = collages[document.domain][collageId] ? 'Refresh' : 'Load collage for direct browsing';
}
if (collages[document.domain][collageId]) {
expandSection();
addCollageLinks(collages[document.domain][collageId]);
}
function addCollageLinks(collage) {
var index = collage.artists.findIndex(artist => artist.id == artistId);
if (index < 0) {
console.warn('Assertion failed: torrent', groupId, 'not found in the collage', collage);
return false;
}
link.style.color = 'white';
link.parentNode.parentNode.style = 'color:white; background-color: darkgoldenrod;';
var stats = document.createElement('span');
stats.textContent = `${index + 1} / ${collage.artists.length}`;
stats.style = 'font-size: 8pt; color: antiquewhite; font-weight: 100; margin-left: 10px;';
navLinks.push(stats);
link.parentNode.append(stats);
if (collage.artists[index - 1]) {
var a = document.createElement('a');
a.href = '/artist.php?id=' + collage.artists[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 = '/artist.php?id=' + collage.artists[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.artists[index + 1]) {
a = document.createElement('a');
a.href = '/artist.php?id=' + collage.artists[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 = '/artist.php?id=' + collage.artists[collage.artists.length - 1].id;
a.textContent = '[\xA0>>\xA0]';
a.title = getTitle(collage.artists.length - 1);
a.style = 'color: chartreuse; margin-left: 5px;';
navLinks.push(a);
link.parentNode.append(a);
}
return true;
function getTitle(index) {
console.assert(index >= 0 && index < collage.artists.length, "index >= 0 && index < collage.artists.length");
if (!(index >= 0 && index < collage.artists.length)) return undefined;
return collage.artists[index] ? collage.artists[index].name : '';
}
}
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.currentTarget.disabled = true;
navLinks.forEach(a => { a.remove() });
navLinks = [ ];
let 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, showonlygroups: 1 }).then(function(collage) {
span.remove();
cacheCollage(collage);
addCollageLinks(collage);
evt.currentTarget.disabled = false;
}, function(reason) {
span.remove();
evt.currentTarget.disabled = false;
});
return false;
}
});
break;
}
case '/collages.php':
case '/collage.php': {
function addNotifier(caption, timeout = 20 * 1000) {
if (!caption) return;
const notifier = document.createElement('DIV');
notifier.style = 'position: fixed; z-index: 999; top: 20pt; right: 20pt; padding: 10pt; border: 2pt solid gray; background-color: darkslategrey; color: gold; font: 600 10pt "Segoe UI", sans-serif; cursor: pointer;';
notifier.textContent = caption;
notifier.onclick = function(evt) {
const ststsBox = document.body.querySelector('div.sidebar > div.box_info');
if (ststsBox != null) ststsBox.scrollIntoView({ behavior: 'smooth', block: 'start' });
};
document.body.append(notifier);
if (timeout > 0) setTimeout(function(elem) {
if (timeout >= 4000) {
elem.style.transition = 'opacity 2s';
elem.style.opacity = 0;
}
setTimeout(elem => { document.body.removeChild(elem) }, Math.min(timeout, 2000), elem);
}, Math.max(timeout - 2000, 0), notifier);
}
function updateGalleryPager(li) {
}
if (!((collageId = parseInt(urlParams.get('id'))) > 0)) break; // Collage id missing
let collageSize = document.body.querySelector('div.box_info > ul.stats > li:first-of-type');
if (collageSize != null && (collageSize = /\b(\d+(?:[\,]\d+)*)\b/.exec(collageSize.textContent)) != null)
collageSize = parseInt(collageSize[1].replace(/\D/g, ''));
let category = document.querySelector('div.box_category > div.pad > a'), selectors, callback;
category = category != null ? category.textContent : undefined;
console.assert(category, 'category != undefined');
let watchDogs = GM_getValue('watched_collages');
if (!watchDogs || typeof watchDogs != 'object') watchDogs = { };
if (!(document.domain in watchDogs)) watchDogs[document.domain] = { };
const getCollageItemIds = () => queryAjaxAPI('collage', { id: collageId, showonlygroups: 1 }).then(collage =>
collage[collage.collageCategoryID == 7 ? 'artists' : 'torrentgroups'].map(item => parseInt(item.id)));
const saveSnapshot = () => getCollageItemIds().then(function(ids) {
watchDogs[document.domain][collageId] = ids;
GM_setValue('watched_collages', watchDogs);
return watchDogs[document.domain][collageId].length;
});
if (collageId in watchDogs[document.domain]) {
if (collageSize > 0 && collageSize != watchDogs[document.domain][collageId].length
|| !GM_getValue('savvy_change_detection', true)) getCollageItemIds().then(function(ids) {
function addDelta(ids, caption) {
const li = document.createElement('LI'),
spans = ['SPAN', 'SPAN', 'SPAN'].map(Document.prototype.createElement.bind(document));
spans[0].style = 'color: red; font-weight: 900;';
spans[0].textContent = ids.length;
spans[1].style = 'color: cadetblue; cursor: pointer;';
spans[1].textContent = 'view';
spans[1].onclick = function(evt) {
for (let id of ids) openTabLimited(category == 'Artists' ? 'artist' : 'torrents', { id: id }, 'content');
};
spans[2].style = 'color: cadetblue; cursor: pointer;';
spans[2].textContent = 'copy';
spans[2].onclick = evt => { GM_setClipboard(ids.map(function(id) {
if (evt.ctrlKey) {
const url = new URL(`${category == 'Artists' ? 'artist' : 'torrents'}.php`, document.location.origin);
url.searchParams.set('id', id);
return url.href;
}
return id.toString();
}).join('\n') + '\n', 'text') };
li.append(spans[0], ` ${category == 'Artists' ? 'artist' : 'group'}(s) ${caption} (`);
li.append(spans[1], ' | ', spans[2], ')');
count.append(li);
}
const count = document.body.querySelector('div.box_info > ul.stats > li:first-of-type');
const addedIds = ids.filter(id => !watchDogs[document.domain][collageId].includes(id));
if (addedIds.length > 0) addDelta(addedIds, 'added');
const removedIds = watchDogs[document.domain][collageId].filter(id => !ids.includes(id));
if (removedIds.length > 0) addDelta(removedIds, 'removed');
if (addedIds.length <= 0 && removedIds.length <= 0) return;
saveSnapshot();
addNotifier('This collage has changed since last visit');
});
}
const linkBox = document.body.querySelector('div#content div.header > div.linkbox');
if (linkBox != null) {
const a = document.createElement('A');
a.className = 'brackets';
a.href = '#';
a.textContent = (a.watched = collageId in watchDogs[document.domain]) ? 'Unwatch' : 'Watch';
a.title = 'Watched collages will highlight additions/removals since previous view on each load time';
a.onclick = function toggleWatchState(evt) {
if (!evt.currentTarget.disabled) evt.currentTarget.disabled = true; else return false;
const currentTarget = evt.currentTarget;
if (currentTarget.watched) {
if (collageId in watchDogs[document.domain]) {
delete watchDogs[document.domain][collageId];
GM_setValue('watched_collages', watchDogs);
}
currentTarget.watched = false;
currentTarget.textContent = 'Watch';
currentTarget.disabled = false;
} else saveSnapshot().then(function(collageSize) {
currentTarget.watched = true;
currentTarget.textContent = 'Unwatch';
currentTarget.disabled = false;
});
return false;
};
linkBox.append(' ', a);
}
if (category != 'Artists') {
selectors = [
'tr.group > td[colspan] > strong > a[href^="torrents.php?id="]',
'ul.collage_images > li > a[href^="torrents.php?id="]',
];
callback = function(evt) {
switch (evt.currentTarget.nodeName) {
case 'A':
if (evt.button != 0 || !evt.altKey) return true;
var link = evt.currentTarget;
break;
case 'MENUITEM':
link = menu || evt.relatedTarget || document.activeElement;
break;
}
if (!(link instanceof HTMLAnchorElement)) return true;
let groupId = parseInt(new URLSearchParams(link.search).get('id'));
if (!groupId) {
console.warn('Assertion failed: no id', link);
throw 'no id';
}
removeFromTorrentCollage(collageId, groupId, 'Are you sure to remove selected group from this collage?').then(function(status) {
document.querySelectorAll(selectors.join(', ')).forEach(function(a) {
if (parseInt(new URLSearchParams(a.search).get('id')) == groupId) switch (a.parentNode.nodeName) {
case 'STRONG': a.parentNode.parentNode.parentNode.remove(); break;
case 'LI': a.parentNode.remove(); break;
}
});
});
};
} else {
selectors = [
'table#discog_table > tbody > tr > td > a[href^="artist.php?id="]',
'ul.collage_images > li > a[href^="artist.php?id="]',
];
callback = function(evt) {
switch (evt.currentTarget.nodeName) {
case 'A':
if (evt.button != 0 || !evt.altKey) return true;
var link = evt.currentTarget;
break;
case 'MENUITEM':
link = menu || evt.relatedTarget || document.activeElement;
break;
}
if (!(link instanceof HTMLAnchorElement)) return true;
let artistId = parseInt(new URLSearchParams(link.search).get('id'));
if (!artistId) {
console.warn('Assertion failed: no id', evt.currentTarget);
throw 'no id';
}
removeFromArtistCollage(collageId, artistId, 'Are you sure to remove selected artist from this collage?').then(function(status) {
document.querySelectorAll(selectors.join(', ')).forEach(function(a) {
if (parseInt(new URLSearchParams(a.search).get('id')) == artistId) switch (a.parentNode.nodeName) {
case 'TD': a.parentNode.parentNode.remove(); break;
case 'LI': a.parentNode.remove(); break;
}
});
});
};
let artistLink = document.querySelector('form.add_form[name="artist"] input#artist');
if (artistLink != null) {
let ref = document.querySelector('form.add_form[name="artist"] > div.submit_div');
let searchBtn = document.createElement('input');
searchBtn.value = 'Look up';
searchBtn.type = 'button';
searchBtn.onclick = function(evt) {
let xhr = new XMLHttpRequest;
xhr.open('HEAD', '/artist.php?artistname=' + encodeURIComponent(artistLink.value.trim()), true);
xhr.onreadystatechange = function() {
if (xhr.readyState < XMLHttpRequest.HEADERS_RECEIVED) return;
artistLink.value = xhr.responseURL.includes('/artist.php?id=') ? xhr.responseURL : '';
};
xhr.send();
};
ref.append(searchBtn);
}
}
menu.children[0].onclick = callback;
document.body.append(menu);
function handlerInstaller(a) {
a.onclick = callback;
a.oncontextmenu = contextUpdater;
a.setAttribute('contextmenu', contextId);
}
document.querySelectorAll(selectors.join(', ')).forEach(handlerInstaller);
let coverart = document.getElementById('coverart');
if (coverart != null) new MutationObserver(function(ml, mo) {
for (let mutation of ml) for (let node of mutation.addedNodes) {
if (node.nodeName != 'UL' || !node.classList.contains('collage_images')) return;
node.querySelectorAll(':scope > li > a').forEach(handlerInstaller);
const linkBox = document.body.querySelectorAll('div.main_column > div.linkbox.pager');
if (linkBox != null && GM_getValue('rearrange_page_control', false)) updateGalleryPager(linkBox);
}
}).observe(coverart, { childList: true });
if (!GM_getValue('rearrange_page_control', false)) break;
for (let linkBox of document.body.querySelectorAll('div.main_column > div.linkbox')) {
const page = parseInt(urlParams.get('page')) || 1, numPages = Math.ceil(collageSize / 50);
if (numPages > 1) if (linkBox.classList.contains('pager')) updateGalleryPager(linkBox); else {
const strong = linkBox.querySelector(':scope > strong');
console.assert(strong != null);
if (strong == null) continue;
let pager = linkBox.querySelector('a.pager_prev');
if (pager != null) {
const divisor = pager.nextSibling;
divisor.remove();
strong.insertAdjacentElement('beforebegin', pager);
strong.insertAdjacentText('beforebegin', divisor.wholeText);
if ((pager = linkBox.querySelector('a:first-of-type')) != null && pager.textContent.includes('<< First'))
pager.insertAdjacentText('afterend', divisor.wholeText);
}
if ((pager = linkBox.querySelector('a.pager_next')) != null) {
const divisor = pager.previousSibling;
divisor.remove();
strong.insertAdjacentElement('afterend', pager);
strong.insertAdjacentText('afterend', divisor.wholeText);
if ((pager = linkBox.querySelector('a:last-of-type')) != null && pager.textContent.includes('Last >>'))
pager.insertAdjacentText('beforebegin', divisor.wholeText);
}
const a = Array.prototype.filter.call(linkBox.querySelectorAll(':scope > a:not([class])'),
a => /\b(\d+(?:[\,]\d+)*)\s*-\s*(\d+(?:[\,]\d+)*)\b/.test(a.textContent));
let pageLinks;
if ((pageLinks = a.filter(a => parseInt(new URLSearchParams(a.search).get('page')) < page)).length > 0) {
const step = (page - 2) / (pageLinks.length + 1);
pageLinks.forEach(function(pageLink, index) {
const a = new URL(pageLink), p = 1 + Math.round((index + 1) * step);
a.searchParams.set('page', p);
pageLink.setAttribute('href', a.pathname + a.search);
pageLink.firstElementChild.textContent = `${p * 50 - 49}-${p * 50}`;
});
}
if ((pageLinks = a.filter(a => parseInt(new URLSearchParams(a.search).get('page')) > page)).length > 0) {
const step = (numPages - 1 - page) / (pageLinks.length + 1);
pageLinks.forEach(function(pageLink, index) {
const a = new URL(pageLink), p = page + 1 + Math.round((index + 1) * step);
a.searchParams.set('page', p);
pageLink.setAttribute('href', a.pathname + a.search);
pageLink.firstElementChild.textContent = `${p * 50 - 49}-${p * 50}`;
});
}
}
}
break;
}
}
