mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/MultimediaViewer
synced 2024-11-17 12:53:24 +00:00
ead038c34f
Make sure it is easy to debug when one of the promises rejects (and causes the whole promise chain to fail). I'm not really happy with this, but still seemed better than adding the same boilerplate error logging code to each provider one-by-one. Change-Id: Idd2b638f012ef2ff250e350e2f6a60bb8b81899b Mingle: https://wikimedia.mingle.thoughtworks.com/projects/multimedia/cards/268
103 lines
2.9 KiB
JavaScript
103 lines
2.9 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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* Gets file information.
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* See https://www.mediawiki.org/wiki/API:Properties#imageinfo_.2F_ii
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* @class mw.mmv.provider.ImageInfo
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* @extends mw.mmv.provider.Api
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* @constructor
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* @param {mw.Api} api
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* @param {Object} [options]
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* @cfg {string} [language=null] image metadata language
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*/
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function ImageInfo( api, options ) {
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options = $.extend( {
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language: null
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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( ImageInfo, mw.mmv.provider.Api );
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/**
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* List of imageinfo API properties which are needed to construct an Image model.
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* @property {string}
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*/
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ImageInfo.prototype.iiprop = [
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'timestamp',
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'user',
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'url',
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'size',
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'mime',
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'mediatype',
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'extmetadata'
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].join('|');
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/**
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* List of imageinfo extmetadata fields which are needed to construct an Image model.
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* @property {string}
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*/
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ImageInfo.prototype.iiextmetadatafilter = [
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'DateTime',
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'DateTimeOriginal',
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'ImageDescription',
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'License',
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'Credit',
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'Artist',
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'GPSLatitude',
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'GPSLongitude',
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'Categories',
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'Permission'
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].join('|');
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/**
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* Runs an API GET request to get the image info.
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* @param {mw.Title} file
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* @return {jQuery.Promise} a promise which resolves to an mw.mmv.model.Image object.
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*/
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ImageInfo.prototype.get = function( file ) {
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var provider = this;
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return this.getCachedPromise( file.getPrefixedDb(), function () {
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return provider.api.get( {
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action: 'query',
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prop: 'imageinfo',
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titles: file.getPrefixedDb(),
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iiprop: provider.iiprop,
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iiextmetadatafilter: provider.iiextmetadatafilter,
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iiextmetadatalanguage: provider.options.language,
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format: 'json'
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} ).then( function( data ) {
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return provider.getQueryPage( file, data );
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} ).then( function( page ) {
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if ( page.imageinfo && page.imageinfo.length ) {
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return mw.mmv.model.Image.newFromImageInfo( file, page );
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} else if ( page.missing === '' && page.imagerepository === '' ) {
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return $.Deferred().reject( 'file does not exist: ' + file.getPrefixedDb() );
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} else {
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return $.Deferred().reject( 'unknown error' );
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}
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} );
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} );
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};
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mw.mmv.provider.ImageInfo = ImageInfo;
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}( mediaWiki, OO, jQuery ) );
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