MediaWiki:Gadget-FindRedirectsForAliases.js

// Find a list of redirects, allowing the user to select some of them to add as aliases.
// "Find redirects" button gets placed in submenu next to the "Watch" button.
// Author : [[User:Yair rand]]
// License : CC-BY-SA
// From : [[User:Yair rand/FindRedirectsForAliases.js]]

// Find a list of redirects, allowing the user to select some of them to add as aliases.
// "Find redirects" button gets placed in submenu next to the "Watch" button.
( function ( mw, $, wb ) {
	var translate = require( './FindRedirectsForAliases-i18n.json' ),
		chain = mw.language.getFallbackLanguageChain(),
		len = chain.length,
		messages = {},
		i;
	for ( i = len - 1; i >= 0; i-- ) {
		if ( translate.hasOwnProperty( chain[ i ] ) ) {
			$.extend( messages, translate[ chain[ i ] ] );
		}
	}
	mw.messages.set( messages );

	if ( !mw.config.exists( 'wbEntityId' ) ) {
		return;
	}

	/**
	 * Get the wikipedia site from a language code.
	 *
	 * @param {String} language code
	 * @return wikibase.Site|null
	 *
	 * required modules: wikibase.sites
	 */
	function getSiteByLang( lang ) {
		var langs = {
			// workaround for bug 57706
			// source: https://noc.wikimedia.org/conf/InitialiseSettings.php.txt
			'crh-latn': wb.sites.getSite( 'crhwiki' ),
			'nb': wb.sites.getSite( 'nowiki' ),
			'gsw': wb.sites.getSite( 'alswiki' ),
			'sgs': wb.sites.getSite( 'bat_smgwiki' ),
			'be-tarask': wb.sites.getSite( 'be_x_oldwiki' ),
			'bho': wb.sites.getSite( 'bhwiki' ),
			'vro': wb.sites.getSite( 'fiu_vrowiki' ),
			'rup': wb.sites.getSite( 'roa_rupwiki' ),
			'lzh': wb.sites.getSite( 'zh_classicalwiki' ),
			'nan': wb.sites.getSite( 'zh_min_nanwiki' ),
			'yue': wb.sites.getSite( 'zh_yuewiki' )
		};
		var sites = wb.sites.getSitesOfGroup( 'wikipedia' );
		$.each( sites, function ( index, site ) {
			// ignore 'simplewiki' to get the mapping from 'en' to 'enwiki'
			if ( site.getId() === 'simplewiki' ) {
				return; // continue
			}
			langs[ site.getLanguageCode() ] = site;
		} );
		
		while ( lang ) {
			if ( langs.hasOwnProperty( lang ) ) {
				return langs[ lang ];
			}
			lang = lang.substr( 0, lang.lastIndexOf( '-' ) );
		}
		return null;
	}

	var site = getSiteByLang( mw.config.get( 'wgUserLanguage' ) );
	if ( !site ) {
		// no site found. unknown language.
		return;
	}

	var sitelinks;

	function addAliasesFromRedirects() {
		var $dialog = $( '<div>' )
		.text( mw.msg( 'loading' ) )
		.dialog( {
			title: mw.message( 'dialogtitle' ).escaped(),
			autoOpen: true
		} );
		function error( e ) {
			$dialog
			.empty()
			.append(
				$( '<span>', {
					css: { color: '#F00' },
					text: mw.msg( 'error' ) + e
				} )
			);
		}
		$.ajax( {
			url: site.getApi(),
			dataType: 'jsonp',
			cache: true,
			data: {
				format: 'json',
				formatversion: 2,
				action: 'query',
				titles: sitelinks[ site.getId() ].title,
				prop: 'redirects',
				generator: 'redirects',
				grdlimit: 100,
				'continue': null
			}
		} )
		.done( function ( result ) {
			if ( !result.query || !result.query.pages ) {
				// no results found
				$dialog.text( mw.msg( 'nonefound' ) );
				return;
			}
			var selected = {};
			$dialog
			.text( mw.msg( 'dialogintro' ) )
			.append(
				$( '<br>' ),
				$( '<small>' ).msg( 'policynote' ),
				$( '<hr>' )
			)
			.dialog( { buttons: [ { text: mw.msg( 'add' ), click: function () {
				var toAdd = [];
				for ( var i in selected ) {
					if ( selected[ i ] ) {
						toAdd.push( i );
					}
				}
				if ( toAdd.length === 0 ) {
					return;
				}
				new mw.Api().postWithToken( 'csrf', {
					action: 'wbsetaliases',
					id: mw.config.get( 'wbEntityId' ),
					add: toAdd.join( '|' ),
					language: mw.config.get( 'wgUserLanguage' )
				} )
				.done( function ( result ) {
					location.href = mw.config.get( 'wgScript' ) +
					'?' + $.param( {
						title: mw.config.get( 'wgPageName' ),
						diff: result.entity.lastrevid,
						oldid: mw.config.get( 'wgRevisionId' )
					} );
				} )
				.fail( error );
				$dialog
				.dialog( { buttons: {} } )
				.text( mw.msg( 'loading' ) );
			} } ] } );
			$.each( result.query.pages, function () {
				var r = this.title;
				selected[ r ] = false;
				$dialog.append(
					$( '<span>' )
					.addClass( 'YRRedirectsToAdd' )
					.text( r )
					.click( function () {
						$( this )[ ( selected[ r ] = !selected[ r ] ) ? 'addClass' : 'removeClass' ]( 'selected' );
					} )
				);
			} );
			if ( result[ 'continue' ] ) {
				$dialog.append(
					$( '<div>' )
					.css( 'clear', 'both' )
					.text( '…' )
				);
			}
		} )
		.fail( error );
	}

	mw.hook( 'wikibase.entityPage.entityLoaded' ).add( function ( entity ) {
		sitelinks = entity.sitelinks;
		if ( !sitelinks || !sitelinks.hasOwnProperty( site.getId() ) ) {
			// no sitelink
			return;
		}
		$( function () {
			$( mw.util.addPortletLink( 'p-cactions', '#', mw.msg( 'FindRedirects' ), null, mw.msg( 'FRTooltip' ) ) )
			.click( function ( event ) {
				event.preventDefault();
				mw.loader.using( [ 'jquery.ui', 'mediawiki.jqueryMsg' ], addAliasesFromRedirects );
			} );
		} );
	} );

}( mediaWiki, jQuery, wikibase ) );