Common.js

// Replace Wikidata IDs with their [label, description]
if ( $( '.wb-external-id' ).length > 0 ) {
	mw.loader.using( 'mediawiki.ForeignApi', function() {
		$( '.wb-external-id' ).each( function() {
			if ( $( this ).attr( 'href' ).lastIndexOf( 'https://www.wikidata.org', 0 ) === 0 ) {
				var wikidataApi = new mw.ForeignApi( 'https://www.wikidata.org/w/api.php', {
						anonymous: true,
						parameters: { 'origin': '*' },
						ajax: { timeout: 10000 }
					} ),
					lang = mw.config.get( 'wgUserLanguage' ),
					node = $( this );
				wikidataApi.get( {
					'action': 'wbgetentities',
					'format': 'json',
					'ids': node.text(),
					'props': 'labels|descriptions',
					'languages': lang,
					'languagefallback': 1,
					'origin': '*'
				} ).then( function( data ) {
                                        
					var entity = data.entities[ node.text() ],
						label = ( entity.labels[ lang ] !== undefined ? entity.labels[ lang ].value + ' <i>(' + node.text() + ')</i>' : node.text() ),
						description = ( entity.descriptions[ lang ] !== undefined ? '<small>' + entity.descriptions[ lang ].value + '</small>' : '' );
					
					node.html( label + '<br>' + description )
				} );
			}
		} );
	} );
}

//Add an audio player to the audio records links in the wikibase items
const BASE_FILE_URL = 'https://commons.wikimedia.org/wiki/Special:Redirect/file?wptype=file&wpvalue=';

function playButton( audioUrl ) {
	var button = new OO.ui.ButtonWidget( {
		framed: false,
		icon: 'play',
		title: 'play'
	} );
	button.on( 'click', function() {
		var audio = new Audio( audioUrl );
		audio.play();
	} );

	return button.$element;
}

if ( $( '#P3 a.extiw' ).length > 0 ) {
    mw.loader.using( [ 'oojs-ui-widgets', 'oojs-ui.styles.icons-media' ], function() {
        $( '#P3 a.extiw' ).each( function() {
            var $node = $( this );
            $node.before( playButton( BASE_FILE_URL + $node.text() ) );
        } );
    } );
}


/**
 * Display last records on main page
 **/
var ab1, ab2;


var AudioBox = function( recordQid, $node ) {
	this.wbRecord = new mw.recordWizard.wikibase.Item( recordQid );
	
	this.$node = $node;
	this.audioNode = document.createElement( 'audio' );
	this.audioNode.preload = 'auto';

    this.api = new mw.Api();	

	this.recordQid = recordQid;
	this.langQid = null;
	this.speakerQid = null;
	
	this.label = '';
	this.media = '';
	this.lang = '';
	this.speaker = '';
	
	this.wbRecord.getFromApi( this.api ).then( this.processRecord.bind( this ), displayError );
}

AudioBox.prototype.processRecord = function() {
	this.label = this.wbRecord.getLabel( 'en' );
	this.media = 'https://commons.wikimedia.org/wiki/Special:FilePath/' + this.wbRecord.getStatements( 'P3' )[ 0 ].getValue();
	this.langQid = this.wbRecord.getStatements( 'P4' )[ 0 ].getValue();
	this.speakerQid = this.wbRecord.getStatements( 'P5' )[ 0 ].getValue();

	this.api.get( {
		action: "wbgetentities",
		format: "json",
		ids: this.langQid + '|' + this.speakerQid,
		props: "labels",
		languages: mw.config.get( 'wgUserLanguage' ) + "|en",
		languagefallback: 1,
	} ).then( this.processLabels.bind( this ), displayError );
}

AudioBox.prototype.processLabels = function( data ) {
	var langLabels;

	if ( data.entities === undefined || data.entities[ this.langQid ] === undefined || data.entities[ this.speakerQid ] === undefined ) {
		displayError( 'dataerror' );
		return;
	}
	langLabels = data.entities[ this.langQid ].labels;
	
	if ( langLabels[ mw.config.get( 'wgUserLanguage' ) ] !== undefined ) {
		this.lang = langLabels[ mw.config.get( 'wgUserLanguage' ) ].value;
	} else {
		this.lang = langLabels[ 'en' ].value;
	}
	
	this.speaker = data.entities[ this.speakerQid ].labels[ 'en' ].value;

	this.display();
}

AudioBox.prototype.display = function() {
	this.$node.find( '.ab-title' ).text( this.label );
	this.$node.find( '.ab-metadata' ).text( this.lang + ' - ' + this.speaker );
	
	this.audioNode.src = this.media;
	this.$node.find( '.ab-playbutton' ).click( this.audioNode.play.bind( this.audioNode ) );
}






function createAudioBoxes( data ) {
	if ( data.query === undefined || data.query.rwrecords === undefined || data.query.rwrecords.length < 2 ) {
		displayError( 'nodata' );
		return;
	}

	ab1 = new AudioBox( data.query.rwrecords[ 0 ], $( '.audiobox' ).eq( 0 ) );
	ab2 = new AudioBox( data.query.rwrecords[ 1 ], $( '.audiobox' ).eq( 1 ) );
}

function getLastRecords() {
    var api = new mw.Api();
	api.get( {
        action: 'query',
        format: 'json',
        list: 'rwrecords',
        rwrlimit: '2',
		rwrsort: 'pageid',
		rwrdir: 'descending',
		rwrformat: 'qid'
  } ).then( createAudioBoxes, displayError );
}

function displayError( code, error ) {
	console.warn( code, error );
}

if ( mw.config.get( 'wgPageName' ) === 'LinguaLibre:Main_Page' ) {
    mw.loader.using( [ 'mediawiki.api', 'ext.recordWizard.wikibase' ] ).then( getLastRecords );
}

// T206801 - Links to Wikipedia contain "+" (instead of "_")
if ( $( 'div#P19 .wb-external-id' ).length ) {
	$( 'div#P19 .wb-external-id' ).attr( 'href', $( 'div#P19 .wb-external-id' ).attr( 'href' ).replace( /\+/g, '_' ) );
}

// Development in final phase of the interface for displaying contributions
$( function (){
	if( mw.config.get( 'wgPageName' ) !== 'User:Nicolas_NALLET' ) {
		return;
	}
	var userLanguage = mw.config.get( 'wgUserLanguage' );
	var messages = {
		'no-results': {
			en: 'No results.',
			de: 'Keine Ergebnisse.',
			fr: 'Pas de résultat.',
		}
	};
	mw.loader.using( ['oojs', 'oojs-ui'], function () {

		var oouiSelectors = {
			'speaker': null,
			'gender': null,
			'language': null,
			'proficiency': null,
		};
		var sparqlGlobal = {
			'speaker': 'SELECT DISTINCT ?speaker ?speakerLabel WHERE { ?speaker prop:P2 entity:Q3 . ?speaker rdfs:label ?speakerLabel . FILTER( LANG(?speakerLabel) = "en" ) } ORDER BY ?speakerLabel',
			'gender': 'SELECT DISTINCT ?gender ?genderLabel WHERE { ?gender prop:P2 entity:Q7 . SERVICE wikibase:label { bd:serviceParam wikibase:language "' + userLanguage + ',fr,en" } } ORDER BY ?gender',
			'language': 'SELECT DISTINCT ?language ?languageLabel WHERE { ?language prop:P2 entity:Q4 . SERVICE wikibase:label { bd:serviceParam wikibase:language "' + userLanguage + ',fr,en" } } ORDER BY ?languageLabel',
			'proficiency': 'SELECT DISTINCT ?proficiency ?proficiencyLabel WHERE { ?proficiency prop:P2 entity:Q5 . SERVICE wikibase:label { bd:serviceParam wikibase:language "' + userLanguage + ',fr,en" } } ORDER BY ?proficiency',
		};
		var placeholders = {
			'speaker': '👤 Speaker',
			'gender': '♀️ ♂️ Speaker\'s gender',
			'language': '🏳️ Language',
			'proficiency': '🥇 Level of proficiency',
		};
		var htmlElements = {
			'speaker': '#filteruser',
			'gender': '#filtergender',
			'language': '#filterlanguage',
			'proficiency': '#filterlevelofproficiency',
		};
		var lastRequest = {
			'speaker': '',
			'gender': '',
			'language': '',
			'proficiency': '',
		};

		function updateSelector( type ) {
			return function( values ) {
				if( ( oouiSelectors['speaker'] && oouiSelectors['speaker'].getValue() != lastRequest['speaker'] ) ||
				    ( oouiSelectors['gender'] && oouiSelectors['gender'].getValue() != lastRequest['gender'] ) ||
				    ( oouiSelectors['language'] && oouiSelectors['language'].getValue() != lastRequest['language'] ) ||
				    ( oouiSelectors['proficiency'] && oouiSelectors['proficiency'].getValue() != lastRequest['proficiency'] ) ) {
					return;
				}

				oouiSelectors[type] = new OO.ui.ComboBoxInputWidget( {
					placeholder: placeholders[type],
					menu: {
						filterFromInput: true,				
						items: values.results.bindings.map( function( x ) {
							return new OO.ui.MenuOptionWidget( {
								data: x[ type + 'Label' ].value + " (" + x[type].value.substr( 31 ) + ")",
								label: x[ type + 'Label' ].value
							} );
						} )
					}
				} );

				$( htmlElements[type] ).html('').append(
					oouiSelectors[type].$element
				);

				oouiSelectors[type].on( 'change', function() { doQuery(); doQuery( 'speaker' ); doQuery( 'gender' ); doQuery( 'language' ); doQuery( 'proficiency' ); } );

			};
		}

		$.getJSON(
			'https://lingualibre.org/bigdata/namespace/wdq/sparql',
			{
				query: sparqlGlobal['speaker']
			}
		).done( updateSelector( 'speaker' ) );

		$.getJSON(
			'https://lingualibre.org/bigdata/namespace/wdq/sparql',
			{
				query: sparqlGlobal['gender']
			}
		).done( updateSelector( 'gender' ) );

		$.getJSON(
			'https://lingualibre.org/bigdata/namespace/wdq/sparql',
			{
				query: sparqlGlobal['language']
			}
		).done( updateSelector( 'language' ) );

		$.getJSON(
			'https://lingualibre.org/bigdata/namespace/wdq/sparql',
			{
				query: sparqlGlobal['proficiency']
			}
		).done( updateSelector( 'proficiency' ) );

		// Display results
		function createAudioBoxesForSearch( data ) {
			if ( data.results === undefined || data.results.bindings === undefined ) {
				displayError( 'error: no result from SPARQL' );
				return;
			}
			if ( data.results.bindings.length < 1 ) {
				$( '#audioresults' ).html( messages['no-results'][userLanguage] ? messages['no-results'][userLanguage] : messages['no-results']['en'] );
				return;
			}
			var length = data.results.bindings.length < 100 ? data.results.bindings.length : 100;
			$( '#audioresults' ).html( '' );
			for (var i = 0; i < length; i++) {
				var box = $( '<div class="audiobox"> <div class="ab-playbutton"><i></i></div> <div> <div class="ab-title">...</div> <div class="ab-metadata">...</div> </div> </div>' );
				var audiobox = new AudioBox( data.results.bindings[ i ].record.value.substr( 31 ), box );
				$( '#audioresults' ).append( box );
				//ab1 = new AudioBox( data.query.rwrecords[ i ], $( '.audiobox' ).eq( i ) );
				//$("body").append('<div class="audiobox"> <div class="ab-playbutton"><i></i></div> <div> <div class="ab-title">...</div> <div class="ab-metadata">...</div> </div> </div>');	
			}
		}

		// Do SPARQL request from filters
		function doQuery( variable ){

			// Do not modify a selector where there is a value
			if( variable && oouiSelectors[variable] && oouiSelectors[variable].getValue() ) {
				return;
			}

			function getQ( type ) {
				if( variable === type ) {
					return '?' + type;
				}
				var text = oouiSelectors[type] ? oouiSelectors[type].getValue() : '';
				if( !text ) {
					return '';
				}
				text = text.trim();
				if( /^Q[0-9]+$/.test( text ) ) {
					return 'entity:' + text;
				} else if( /\((Q[0-9]+)\)$/.test( text ) ) {
					return 'entity:' + text.replace( /.*\((Q[0-9]+)\)$/, '$1' );
				} else {
					console.warn( 'Bad input “' + text + '”' );
					return '';
				}
			}

			var speaker = getQ( 'speaker' ),
			    gender = getQ( 'gender' ),
			    language = getQ( 'language' ),
			    proficiency = getQ( 'proficiency' ),
			    somevalue = false;
			if( ! variable ) {
				lastRequest = {
					'speaker': oouiSelectors['speaker'] ? oouiSelectors['speaker'].getValue() : '',
					'gender': oouiSelectors['gender'] ? oouiSelectors['gender'].getValue() : '',
					'language': oouiSelectors['language'] ? oouiSelectors['language'].getValue() : '',
					'proficiency': oouiSelectors['proficiency'] ? oouiSelectors['proficiency'].getValue() : '',
				};
			}

			var query = "SELECT " + ( variable ? 'DISTINCT ?' + variable + ' ?' + variable + 'Label' : "?record" ) + " WHERE { ?record prop:P2 entity:Q2 ; prop:P4 ?language ; prop:P5 ?speaker . ";
			if( speaker ) {
				query += "?record prop:P5 " + speaker + " . ";
				somevalue = true;
			}
			if( gender ) {
				query += "?record prop:P5 [ prop:P8 " + gender + " ] . ";
				somevalue = true;
			}
			if( language ) {
				query += "?record prop:P4 " + language + " . ";
				somevalue = true;
			}
			if( proficiency ) {
				query += "?speaker llp:P4 [ llv:P4 ?language ; llq:P16 " + proficiency + " ] . ";
				somevalue = true;
			}
			query += "SERVICE wikibase:label { bd:serviceParam wikibase:language '" + userLanguage + ",en,fr' } } LIMIT 100";

			if( variable ) {
				if( !somevalue ) {
					query = sparqlGlobal[variable];
				}
			} else {
				if( !variable && !somevalue ) {
					return;
				}
				$( '#audioresults' ).html( '' ); // TODO replace by a spinner
			}

			// Execute the request
			var result = $.getJSON(
				'https://lingualibre.org/bigdata/namespace/wdq/sparql',
				{
					query: query,
					//Accept: 'application/sparql-results+json'
				}
			);

			// Depending if we want the whole results or update on selector
			if( variable ) {
				result.then( updateSelector( variable ), displayError );
			} else {
				result.then( createAudioBoxesForSearch, displayError );
			}
		}

	} );

} );