426 lines
17 KiB
JavaScript
426 lines
17 KiB
JavaScript
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// MusicBrainz Import helper functions
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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/*
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* How to use this module?
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*
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* - First build a release object (see expected format below) that you'll fill in from source of data
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* - Call as follows, e.g.:
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* var parameters = MBImport.buildFormParameters(parsedRelease, optionalEditNote);
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* - Then build the HTML that you'll inject into source site page:
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* var formHtml = MBImport.buildFormHTML(parameters);
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* - Addinionally, you can inject a search link to verify that the release is not already known by MusicBrainz:
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* var linkHtml = MBImport.buildSearchLink(parsedRelease);
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*
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* Expected format of release object:
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*
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* release = {
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* title,
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* artist_credit,
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* type,
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* status,
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* secondary_types,
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* language,
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* script,
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* packaging,
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* country,
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* year,
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* month,
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* day,
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* labels = [ { name, mbid, catno }, ... ],
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* barcode,
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* comment,
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* annotation,
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* urls = [ {url, link_type }, ... ],
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* discs = [
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* {
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* title,
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* format,
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* tracks = [
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* { number, title, duration, artist_credit },
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* ...
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* ]
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* },
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* ...
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* ],
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* }
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*
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* where 'artist_credit' has the following format:
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*
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* artist_credit = [
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* {
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* credited_name,
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* artist_name,
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* mbid,
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* joinphrase
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* },
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* ...
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* ]
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*
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*/
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var MBImport = (function () {
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// --------------------------------------- publics ----------------------------------------- //
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let special_artists = {
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various_artists: {
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name: 'Various Artists',
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mbid: '89ad4ac3-39f7-470e-963a-56509c546377',
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},
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unknown: {
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name: '[unknown]',
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mbid: '125ec42a-7229-4250-afc5-e057484327fe',
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},
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};
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let url_types = {
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purchase_for_download: 74,
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download_for_free: 75,
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discogs: 76,
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purchase_for_mail_order: 79,
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other_databases: 82,
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stream_for_free: 85,
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license: 301,
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};
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function fnSpecialArtist(key, ac) {
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let credited_name = '';
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let joinphrase = '';
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if (typeof ac !== 'undefined') {
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joinphrase = ac.joinphrase;
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}
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return {
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artist_name: special_artists[key].name,
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credited_name: credited_name,
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joinphrase: joinphrase,
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mbid: special_artists[key].mbid,
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};
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}
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// compute HTML of search link
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function fnBuildSearchLink(release) {
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let parameters = searchParams(release);
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let url_params = [];
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parameters.forEach(function (parameter) {
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let value = `${parameter.value}`;
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url_params.push(encodeURI(`${parameter.name}=${value}`));
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});
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return `<a class="musicbrainz_import" href="//musicbrainz.org/search?${url_params.join('&')}">Search in MusicBrainz</a>`;
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}
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// compute HTML of search button
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function fnBuildSearchButton(release) {
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let parameters = searchParams(release);
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let html = `<form class="musicbrainz_import musicbrainz_import_search" action="//musicbrainz.org/search" method="get" target="_blank" accept-charset="UTF-8" charset="${document.characterSet}">`;
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parameters.forEach(function (parameter) {
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let value = `${parameter.value}`;
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html += `<input type='hidden' value='${value.replace(/'/g, ''')}' name='${parameter.name}'/>`;
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});
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html += '<button type="submit" title="Search for this release in MusicBrainz (open a new tab)"><span>Search in MB</span></button>';
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html += '</form>';
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return html;
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}
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function fnSearchUrlFor(type, what) {
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type = type.replace('-', '_');
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let params = [`query=${luceneEscape(what)}`, `type=${type}`, 'indexed=1'];
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return `//musicbrainz.org/search?${params.join('&')}`;
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}
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// compute HTML of import form
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function fnBuildFormHTML(parameters) {
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// Build form
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let innerHTML = `<form class="musicbrainz_import musicbrainz_import_add" action="//musicbrainz.org/release/add" method="post" target="_blank" accept-charset="UTF-8" charset="${document.characterSet}">`;
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parameters.forEach(function (parameter) {
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let value = `${parameter.value}`;
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innerHTML += `<input type='hidden' value='${value.replace(/'/g, ''')}' name='${parameter.name}'/>`;
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});
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innerHTML +=
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'<button type="submit" title="Import this release into MusicBrainz (open a new tab)"><img src="//musicbrainz.org/favicon.ico" /><span>Import into MB</span></button>';
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innerHTML += '</form>';
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return innerHTML;
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}
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// build form POST parameters that MB is waiting
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function fnBuildFormParameters(release, edit_note) {
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// Form parameters
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let parameters = new Array();
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appendParameter(parameters, 'name', release.title);
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// Release Artist credits
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buildArtistCreditsFormParameters(parameters, '', release.artist_credit);
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if (release['secondary_types']) {
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for (let i = 0; i < release.secondary_types.length; i++) {
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appendParameter(parameters, 'type', release.secondary_types[i]);
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}
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}
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appendParameter(parameters, 'status', release.status);
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appendParameter(parameters, 'language', release.language);
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appendParameter(parameters, 'script', release.script);
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appendParameter(parameters, 'packaging', release.packaging);
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// ReleaseGroup
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appendParameter(parameters, 'release_group', release.release_group_mbid);
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// Date + country
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appendParameter(parameters, 'country', release.country);
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if (!isNaN(release.year) && release.year != 0) {
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appendParameter(parameters, 'date.year', release.year);
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}
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if (!isNaN(release.month) && release.month != 0) {
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appendParameter(parameters, 'date.month', release.month);
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}
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if (!isNaN(release.day) && release.day != 0) {
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appendParameter(parameters, 'date.day', release.day);
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}
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// Barcode
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appendParameter(parameters, 'barcode', release.barcode);
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// Disambiguation comment
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appendParameter(parameters, 'comment', release.comment);
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// Annotation
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appendParameter(parameters, 'annotation', release.annotation);
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// Label + catnos
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if (Array.isArray(release.labels)) {
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for (let i = 0; i < release.labels.length; i++) {
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let label = release.labels[i];
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appendParameter(parameters, `labels.${i}.name`, label.name);
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appendParameter(parameters, `labels.${i}.mbid`, label.mbid);
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if (label.catno != 'none') {
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appendParameter(parameters, `labels.${i}.catalog_number`, label.catno);
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}
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}
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}
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// URLs
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if (Array.isArray(release.urls)) {
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for (let i = 0; i < release.urls.length; i++) {
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let url = release.urls[i];
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appendParameter(parameters, `urls.${i}.url`, url.url);
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appendParameter(parameters, `urls.${i}.link_type`, url.link_type);
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}
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}
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// Mediums
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let total_tracks = 0;
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let total_tracks_with_duration = 0;
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let total_duration = 0;
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for (let i = 0; i < release.discs.length; i++) {
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let disc = release.discs[i];
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appendParameter(parameters, `mediums.${i}.format`, disc.format);
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appendParameter(parameters, `mediums.${i}.name`, disc.title);
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// Tracks
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for (let j = 0; j < disc.tracks.length; j++) {
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let track = disc.tracks[j];
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total_tracks++;
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appendParameter(parameters, `mediums.${i}.track.${j}.number`, track.number);
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appendParameter(parameters, `mediums.${i}.track.${j}.name`, track.title);
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let tracklength = '?:??';
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let duration_ms = hmsToMilliSeconds(track.duration);
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if (!isNaN(duration_ms)) {
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tracklength = duration_ms;
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total_tracks_with_duration++;
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total_duration += duration_ms;
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}
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appendParameter(parameters, `mediums.${i}.track.${j}.length`, tracklength);
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appendParameter(parameters, `mediums.${i}.track.${j}.recording`, track.recording);
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buildArtistCreditsFormParameters(parameters, `mediums.${i}.track.${j}.`, track.artist_credit);
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}
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}
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// Guess release type if not given
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if (!release.type && release.title && total_tracks == total_tracks_with_duration) {
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release.type = fnGuessReleaseType(release.title, total_tracks, total_duration);
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}
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appendParameter(parameters, 'type', release.type);
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// Add Edit note parameter
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appendParameter(parameters, 'edit_note', edit_note);
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return parameters;
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}
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// Convert a list of artists to a list of artist credits with joinphrases
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function fnArtistCredits(artists_list) {
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let artists = artists_list.map(function (item) {
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return { artist_name: item };
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});
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if (artists.length > 2) {
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let last = artists.pop();
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last.joinphrase = '';
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let prev = artists.pop();
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prev.joinphrase = ' & ';
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for (let i = 0; i < artists.length; i++) {
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artists[i].joinphrase = ', ';
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}
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artists.push(prev);
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artists.push(last);
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} else if (artists.length == 2) {
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artists[0].joinphrase = ' & ';
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}
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let credits = [];
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// re-split artists if featuring or vs
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artists.map(function (item) {
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let c = item.artist_name.replace(/\s*\b(?:feat\.?|ft\.?|featuring)\s+/gi, ' feat. ');
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c = c.replace(/\s*\(( feat. )([^\)]+)\)/g, '$1$2');
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c = c.replace(/\s*\b(?:versus|vs\.?)\s+/gi, ' vs. ');
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c = c.replace(/\s+/g, ' ');
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let splitted = c.split(/( feat\. | vs\. )/);
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if (splitted.length == 1) {
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credits.push(item); // nothing to split
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} else {
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let new_items = [];
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let n = 0;
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for (let i = 0; i < splitted.length; i++) {
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if (n && (splitted[i] == ' feat. ' || splitted[i] == ' vs. ')) {
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new_items[n - 1].joinphrase = splitted[i];
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} else {
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new_items[n++] = {
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artist_name: splitted[i].trim(),
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joinphrase: '',
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};
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}
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}
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new_items[n - 1].joinphrase = item.joinphrase;
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new_items.map(function (newit) {
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credits.push(newit);
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});
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}
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});
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return credits;
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}
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// Try to guess release type using number of tracks, title and total duration (in millisecs)
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function fnGuessReleaseType(title, num_tracks, duration_ms) {
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if (num_tracks < 1) return '';
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let has_single = !!title.match(/\bsingle\b/i);
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let has_EP = !!title.match(/\bEP\b/i);
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if (has_single && has_EP) {
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has_single = false;
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has_EP = false;
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}
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let perhaps_single = (has_single && num_tracks <= 4) || num_tracks <= 2;
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let perhaps_EP = has_EP || (num_tracks > 2 && num_tracks <= 6);
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let perhaps_album = num_tracks > 8;
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if (isNaN(duration_ms)) {
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// no duration, try to guess with title and number of tracks
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if (perhaps_single && !perhaps_EP && !perhaps_album) return 'single';
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if (!perhaps_single && perhaps_EP && !perhaps_album) return 'EP';
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if (!perhaps_single && !perhaps_EP && perhaps_album) return 'album';
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return '';
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}
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let duration_mn = duration_ms / (60 * 1000);
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if (perhaps_single && duration_mn >= 1 && duration_mn < 7) return 'single';
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if (perhaps_EP && duration_mn > 7 && duration_mn <= 30) return 'EP';
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if (perhaps_album && duration_mn > 30) return 'album';
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return '';
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}
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// convert HH:MM:SS or MM:SS to milliseconds
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function hmsToMilliSeconds(str) {
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/* eslint-disable-next-line use-isnan */
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if (typeof str == 'undefined' || str === null || str === NaN || str === '') return NaN;
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if (typeof str == 'number') return str;
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let t = str.split(':');
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let s = 0;
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let m = 1;
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while (t.length > 0) {
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s += m * parseInt(t.pop(), 10);
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m *= 60;
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}
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return s * 1000;
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}
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// convert ISO8601 duration (limited to hours/minutes/seconds) to milliseconds
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// format looks like PT1H45M5.789S (note: floats can be used)
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// https://en.wikipedia.org/wiki/ISO_8601#Durations
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function fnISO8601toMilliSeconds(str) {
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let regex = /^PT(?:(\d*\.?\d*)H)?(?:(\d*\.?\d*)M)?(?:(\d*\.?\d*)S)?$/,
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m = str.replace(',', '.').match(regex);
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if (!m) return NaN;
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return (3600 * parseFloat(m[1] || 0) + 60 * parseFloat(m[2] || 0) + parseFloat(m[3] || 0)) * 1000;
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}
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function fnMakeEditNote(release_url, importer_name, format, home = 'https://github.com/murdos/musicbrainz-userscripts') {
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return `Imported from ${release_url}${format ? ` (${format})` : ''} using ${importer_name} import script from ${home}`;
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}
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|
|
// --------------------------------------- privates ----------------------------------------- //
|
||
|
|
|
||
|
|
function appendParameter(parameters, paramName, paramValue) {
|
||
|
|
if (!paramValue) return;
|
||
|
|
parameters.push({ name: paramName, value: paramValue });
|
||
|
|
}
|
||
|
|
|
||
|
|
function luceneEscape(text) {
|
||
|
|
let newtext = text.replace(/[-[\]{}()*+?~:\\^!"\/]/g, '\\$&');
|
||
|
|
return newtext.replace('&&', '&&').replace('||', '||');
|
||
|
|
}
|
||
|
|
|
||
|
|
function buildArtistCreditsFormParameters(parameters, paramPrefix, artist_credit) {
|
||
|
|
if (!artist_credit) return;
|
||
|
|
for (let i = 0; i < artist_credit.length; i++) {
|
||
|
|
let ac = artist_credit[i];
|
||
|
|
appendParameter(parameters, `${paramPrefix}artist_credit.names.${i}.name`, ac.credited_name);
|
||
|
|
appendParameter(parameters, `${paramPrefix}artist_credit.names.${i}.artist.name`, ac.artist_name);
|
||
|
|
appendParameter(parameters, `${paramPrefix}artist_credit.names.${i}.mbid`, ac.mbid);
|
||
|
|
if (typeof ac.joinphrase != 'undefined' && ac.joinphrase != '') {
|
||
|
|
appendParameter(parameters, `${paramPrefix}artist_credit.names.${i}.join_phrase`, ac.joinphrase);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function searchParams(release) {
|
||
|
|
let params = [];
|
||
|
|
|
||
|
|
const totaltracks = release.discs.reduce((acc, { tracks }) => acc + tracks.length, 0);
|
||
|
|
let release_artist = '';
|
||
|
|
for (let i = 0; i < release.artist_credit.length; i++) {
|
||
|
|
let ac = release.artist_credit[i];
|
||
|
|
release_artist += ac.artist_name;
|
||
|
|
if (typeof ac.joinphrase != 'undefined' && ac.joinphrase != '') {
|
||
|
|
release_artist += ac.joinphrase;
|
||
|
|
} else {
|
||
|
|
if (i != release.artist_credit.length - 1) release_artist += ', ';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
let query =
|
||
|
|
`artist:(${luceneEscape(release_artist)})` +
|
||
|
|
` release:(${luceneEscape(release.title)})` +
|
||
|
|
` tracks:(${totaltracks})${release.country ? ` country:${release.country}` : ''}`;
|
||
|
|
|
||
|
|
appendParameter(params, 'query', query);
|
||
|
|
appendParameter(params, 'type', 'release');
|
||
|
|
appendParameter(params, 'advanced', '1');
|
||
|
|
return params;
|
||
|
|
}
|
||
|
|
|
||
|
|
// ---------------------------------- expose publics here ------------------------------------ //
|
||
|
|
|
||
|
|
return {
|
||
|
|
buildSearchLink: fnBuildSearchLink,
|
||
|
|
buildSearchButton: fnBuildSearchButton,
|
||
|
|
buildFormHTML: fnBuildFormHTML,
|
||
|
|
buildFormParameters: fnBuildFormParameters,
|
||
|
|
makeArtistCredits: fnArtistCredits,
|
||
|
|
guessReleaseType: fnGuessReleaseType,
|
||
|
|
hmsToMilliSeconds: hmsToMilliSeconds,
|
||
|
|
ISO8601toMilliSeconds: fnISO8601toMilliSeconds,
|
||
|
|
makeEditNote: fnMakeEditNote,
|
||
|
|
searchUrlFor: fnSearchUrlFor,
|
||
|
|
URL_TYPES: url_types,
|
||
|
|
SPECIAL_ARTISTS: special_artists,
|
||
|
|
specialArtist: fnSpecialArtist,
|
||
|
|
};
|
||
|
|
})();
|