mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/MultimediaViewer
synced 2024-11-29 02:14:21 +00:00
e0edec21b2
Also refactor MultimediaViewer.php a bit to get rid of all the globals. Mingle: https://wikimedia.mingle.thoughtworks.com/projects/multimedia/cards/123 Change-Id: Ieca4263ecc7652dc6bc36db63b99d3813c4653e4
106 lines
3.6 KiB
JavaScript
106 lines
3.6 KiB
JavaScript
/*
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* This file is part of the MediaWiki extension MultimediaViewer.
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*
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* MultimediaViewer is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* MultimediaViewer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with MultimediaViewer. If not, see <http://www.gnu.org/licenses/>.
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*/
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( function ( mw, oo, $ ) {
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/**
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* @class mw.mmv.provider.GlobalUsage
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* Gets file usage information on all wikis but the local one.
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* This needs the [GlobalUsage extension](https://www.mediawiki.org/wiki/Extension:GlobalUsage)
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* to be installed.
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* @extends mw.mmv.provider.Api
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* @inheritdoc
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* @param {mw.Api} api
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* @param {Object} [options]
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* @param {number[]} [options.namespaces] list of namespace ids
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* @param {number} [options.apiLimit] number of entries to get from the API. If there are
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* more pages than this, we won't have an accurate count.
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* (Also, influences query performance.)
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* @param {boolean} [options.doNotUseApi] If true, always returns an empty result immediately,
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* without doing an actual API call. Used when the GlobalUsage extension (and thus the
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* API) is not available.
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* @param {number} [options.dataLimit] number of entries to actually put into the model.
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*/
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function GlobalUsage( api, options ) {
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options = $.extend( {
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doNotUseApi: false,
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apiLimit: 100,
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dataLimit: 10
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}, options );
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mw.mmv.provider.Api.call( this, api, options );
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}
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oo.inheritClass( GlobalUsage, mw.mmv.provider.Api );
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/**
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* @method
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* Fetches the global usage data from the API.
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* @param {mw.Title} file
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* @return {jQuery.Promise}
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*/
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GlobalUsage.prototype.get = function( file ) {
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var provider = this,
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cacheKey = file.getPrefixedDb(),
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fileUsage;
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if ( this.options.doNotUseApi ) {
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fileUsage = new mw.mmv.model.FileUsage( file, mw.mmv.model.FileUsage.Scope.GLOBAL,
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[], 0, false );
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fileUsage.fake = true;
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return $.Deferred().resolve( fileUsage );
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}
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if ( !this.cache[cacheKey] ) {
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this.cache[cacheKey] = this.api.get( {
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action: 'query',
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prop: 'globalusage',
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titles: file.getPrefixedDb(),
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guprop: ['url', 'namespace'],
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gufilterlocal: 1,
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gulimit: this.options.apiLimit,
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format: 'json'
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} ).then( function( data ) {
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var pages;
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if ( data && data.query && data.query.pages ) {
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// pages is an associative array indexed by pageid, turn it into proper array
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pages = $.map( data.query.pages, function ( v ) { return v; } );
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// the API returns a result for non-existent files as well so pages[0] will always exist
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pages = $.map( pages[0].globalusage || {}, function( item ) {
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return {
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wiki: item.wiki,
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page: new mw.Title( item.title, item.ns )
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};
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} );
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return new mw.mmv.model.FileUsage(
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file,
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mw.mmv.model.FileUsage.Scope.GLOBAL,
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pages.slice( 0, provider.options.dataLimit ),
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pages.length,
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!!( data['query-continue'] && data['query-continue'].globalusage )
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);
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} else {
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return $.Deferred().reject( provider.getErrorMessage( data ) );
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}
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} );
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}
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return this.cache[cacheKey];
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};
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mw.mmv.provider.GlobalUsage = GlobalUsage;
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}( mediaWiki, OO, jQuery ) );
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