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musicbrainz-userscripts/expand-collapse-release-groups.user.js

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// ==UserScript==
// @name MusicBrainz: Expand/collapse release groups
// @description See what's inside a release group without having to follow its URL. Also adds convenient edit links for it.
// @namespace http://userscripts.org/users/266906
// @author Michael Wiencek <mwtuea@gmail.com>
// @version 2018.2.18.1
// @license GPL
// @downloadURL https://raw.githubusercontent.com/murdos/musicbrainz-userscripts/master/expand-collapse-release-groups.user.js
// @updateURL https://raw.githubusercontent.com/murdos/musicbrainz-userscripts/master/expand-collapse-release-groups.user.js
// @grant none
// @include *://musicbrainz.org/artist/*
// @include *://musicbrainz.org/label/*
// @include *://musicbrainz.org/release-group/*
// @include *://musicbrainz.org/series/*
// @include *://beta.musicbrainz.org/artist/*
// @include *://beta.musicbrainz.org/label/*
// @include *://beta.musicbrainz.org/release-group/*
// @include *://beta.musicbrainz.org/series/*
// @include *://test.musicbrainz.org/artist/*
// @include *://test.musicbrainz.org/label/*
// @include *://test.musicbrainz.org/release-group/*
// @include *://test.musicbrainz.org/series/*
// @match *://musicbrainz.org/artist/*
// @match *://musicbrainz.org/label/*
// @match *://musicbrainz.org/release-group/*
// @match *://musicbrainz.org/series/*
// @match *://beta.musicbrainz.org/artist/*
// @match *://beta.musicbrainz.org/label/*
// @match *://beta.musicbrainz.org/release-group/*
// @match *://beta.musicbrainz.org/series/*
// @match *://test.musicbrainz.org/artist/*
// @match *://test.musicbrainz.org/label/*
// @match *://test.musicbrainz.org/release-group/*
// @match *://test.musicbrainz.org/series/*
// @exclude *musicbrainz.org/label/*/*
// @exclude *musicbrainz.org/release-group/*/*
// @exclude *musicbrainz.org/series/*/*
// ==/UserScript==
var MBID_REGEX = /[0-9a-z]{8}\-[0-9a-z]{4}\-[0-9a-z]{4}\-[0-9a-z]{4}\-[0-9a-z]{12}/;
var releasesOrReleaseGroups = document.querySelectorAll("#content table.tbl > tbody > tr > td a[href^='/release']");
for (var r = 0; r < releasesOrReleaseGroups.length; r++) {
if (releasesOrReleaseGroups[r].getAttribute("href").match(/\/release-group\//)) {
inject_release_group_button(releasesOrReleaseGroups[r].parentNode);
} else {
inject_release_button(releasesOrReleaseGroups[r].parentNode);
}
}
function inject_release_group_button(parent) {
var mbid = parent.querySelector("a").href.match(MBID_REGEX),
table = document.createElement("table");
table.style.marginTop = "1em";
table.style.marginLeft = "1em";
table.style.paddingLeft = "1em";
var button = create_button(
"/ws/2/release?release-group=" + mbid + "&limit=100&inc=media&fmt=json",
function(toggled) {
if (toggled) parent.appendChild(table); else parent.removeChild(table);
},
function(json) {
parse_release_group(json, mbid, parent, table);
},
function(status) {
table.innerHTML = '<tr><td style="color: #f00;">Error loading release group (HTTP status ' + status + ')</td></tr>';
}
);
parent.insertBefore(button, parent.firstChild);
}
function inject_release_button(parent, _table_parent, _table, _mbid) {
var mbid = _mbid || parent.querySelector("a").href.match(MBID_REGEX),
table = _table || document.createElement("table");
table.style.marginTop = "1em";
table.style.marginLeft = "1em";
table.style.paddingLeft = "1em";
var button = create_button(
"/ws/2/release/" + mbid + "?inc=media+recordings+artist-credits&fmt=json",
function(toggled) {
if (toggled) parent.appendChild(table); else parent.removeChild(table);
},
function(json) {
parse_release(json, table);
},
function(status) {
table.innerHTML = '<tr><td style="color: #f00;">Error loading release (HTTP status ' + status + ')</td></tr>';
}
);
parent.insertBefore(button, parent.childNodes[0]);
}
function create_button(url, dom_callback, success_callback, error_callback) {
var button = document.createElement("span"), toggled = false;
button.innerHTML = "&#9654;";
button.style.cursor = "pointer";
button.style.marginRight = "4px";
button.style.color = "#777";
button.addEventListener("mousedown", function() {
toggled = !toggled;
if (toggled)
button.innerHTML = "&#9660;";
else button.innerHTML = "&#9654;";
dom_callback(toggled);
}, false);
button.addEventListener("mousedown", function() {
var this_event = arguments.callee;
button.removeEventListener("mousedown", this_event, false);
var req = new XMLHttpRequest();
req.onreadystatechange = function() {
if (req.readyState != 4) return;
if (req.status == 200 && req.responseText) {
success_callback(JSON.parse(req.responseText));
} else {
button.addEventListener("mousedown", function() {
button.removeEventListener("mousedown", arguments.callee, false);
button.addEventListener("mousedown", this_event, false);
}, false);
error_callback(req.status);
}
};
req.open("GET", url, true);
req.send(null);
}, false);
return button;
}
function format_time(ms) {
var ts = ms / 1000, s = Math.round(ts % 60);
return (Math.floor(ts / 60) + ":" + (s >= 10 ? s : "0" + s));
}
function parse_release_group(json, mbid, parent, table) {
var releases = json.releases;
table.innerHTML = "";
for (var i = 0; i < releases.length; i++) {
var release = releases[i], media = {}, tracks = [], formats = [];
for (var j = 0; j < release.media.length; j++) {
var medium = release.media[j], format = medium.format, count = medium["track-count"];
if (format)
format in media ? (media[format] += 1) : (media[format] = 1);
tracks.push(count);
}
for (format in media) {
var count = media[format], txt;
if (count > 1)
formats.push(count.toString() + "&#215;" + format);
else formats.push(format);
}
release.tracks = tracks.join(" + ");
release.formats = formats.join(" + ");
}
releases.sort(function(a, b) {
if (a.date < b.date) return -1;
if (a.date > b.date) return 1;
return 0;
});
for (var i = 0; i < releases.length; i++) {(function(release) {
var track_tr = document.createElement("tr"),
track_td = document.createElement("td"),
track_table = document.createElement("table"),
format_td = document.createElement("td"),
tr = document.createElement("tr"),
td = document.createElement("td"),
a = createLink("/release/" + release.id, release.title);
track_td.colSpan = 6;
track_table.style.width = "100%";
track_table.style.marginLeft = "1em";
track_tr.appendChild(track_td);
inject_release_button(td, track_td, track_table, release.id);
td.appendChild(a);
if (release.disambiguation) {
td.appendChild(document.createTextNode(" (" + release.disambiguation + ")"));
}
tr.appendChild(td);
format_td.innerHTML = release.formats;
tr.appendChild(format_td);
var columns = [
release.tracks,
release.date || "",
release.country || "",
release.status || ""
];
for (var i = 0; i < columns.length; i++)
tr.appendChild(createElement("td", columns[i]));
table.appendChild(tr);
table.appendChild(track_tr);
})(releases[i]);}
var bottom_tr = document.createElement("tr"),
bottom_td = document.createElement("td");
bottom_td.colSpan = 6;
bottom_td.style.padding = "1em";
bottom_td.appendChild(createLink("/release-group/" + mbid + "/edit", "edit"));
bottom_td.appendChild(document.createTextNode(" | "));
bottom_td.appendChild(createLink("/release/add?release-group=" + mbid, "add release"));
bottom_td.appendChild(document.createTextNode(" | "));
bottom_td.appendChild(createLink("/release-group/" + mbid + "/edits", "editing history"));
bottom_tr.appendChild(bottom_td);
table.appendChild(bottom_tr);
}
function parse_release(json, table) {
var media = json.media;
table.innerHTML = "";
for (var i = 0; i < media.length; i++) {
var medium = media[i],
format = medium.format ? medium.format + " " + (i + 1) : "Medium " + (i + 1);
table.innerHTML += '<tr class="subh"><td colspan="4">' + format + "</td></tr>";
for (var j = 0; j < medium.tracks.length; j++) {
var track = medium.tracks[j], recording = track.recording,
disambiguation = recording.disambiguation ? " (" + recording.disambiguation + ")" : "",
length = track.length ? format_time(track.length) : "?:??"
artist_credit = track["artist-credit"] || track.recording["artist-credit"],
tr = document.createElement("tr");
tr.appendChild(createElement("td", j + 1));
var title_td = createElement("td", disambiguation);
title_td.insertBefore(createLink("/recording/" + recording.id, recording.title), title_td.firstChild);
tr.appendChild(title_td);
tr.appendChild(createElement("td", length));
var ac_td = document.createElement("td");
ac_td.appendChild(createAC(artist_credit));
tr.appendChild(ac_td);
table.appendChild(tr);
}
}
var bottom_tr = document.createElement("tr"),
bottom_td = document.createElement("td");
bottom_td.colSpan = 4;
bottom_td.style.padding = "1em";
bottom_td.appendChild(createLink("/release/" + json.id + "/edit", "edit"));
bottom_td.appendChild(document.createTextNode(" | "));
bottom_td.appendChild(createLink("/release/" + json.id + "/edit-relationships", "edit relationships"));
bottom_td.appendChild(document.createTextNode(" | "));
bottom_td.appendChild(createLink("/release/" + json.id + "/edits", "editing history"));
bottom_tr.appendChild(bottom_td);
table.appendChild(bottom_tr);
}
function createAC(obj) {
var span = document.createElement("span");
for (var i = 0; i < obj.length; i++) {
var credit = obj[i], artist = credit.artist,
link = createLink("/artist/" + artist.id, credit.name || artist.name);
link.setAttribute("title", artist["sort-name"]);
span.appendChild(link);
if (credit.joinphrase)
span.appendChild(document.createTextNode(credit.joinphrase));
}
return span;
}
function createElement(name, text) {
var element = document.createElement(name);
element.textContent = text;
return element;
}
function createLink(href, text) {
var element = createElement("a", text);
element.href = href;
return element;
}
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