1 files changed, 117 insertions, 0 deletions
diff --git a/www/wiki/extensions/MultimediaViewer/resources/mmv/provider/mmv.provider.ImageInfo.js b/www/wiki/extensions/MultimediaViewer/resources/mmv/provider/mmv.provider.ImageInfo.js
new file mode 100644
index 00000000..9973fe99
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+++ b/www/wiki/extensions/MultimediaViewer/resources/mmv/provider/mmv.provider.ImageInfo.js
@@ -0,0 +1,117 @@
+/*
+ * This file is part of the MediaWiki extension MultimediaViewer.
+ *
+ * MultimediaViewer is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * MultimediaViewer is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with MultimediaViewer.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+( function ( mw, oo, $ ) {
+
+	/**
+	 * Gets file information.
+	 *
+	 * See https://www.mediawiki.org/wiki/API:Properties#imageinfo_.2F_ii
+	 *
+	 * @class mw.mmv.provider.ImageInfo
+	 * @extends mw.mmv.provider.Api
+	 * @constructor
+	 * @param {mw.Api} api
+	 * @param {Object} [options]
+	 * @cfg {string} [language=null] image metadata language
+	 * @cfg {number} [maxage] cache expiration time, in seconds
+	 *  Will be used for both client-side cache (maxage) and reverse proxies (s-maxage)
+	 */
+	function ImageInfo( api, options ) {
+		options = $.extend( {
+			language: null
+		}, options );
+
+		mw.mmv.provider.Api.call( this, api, options );
+	}
+	oo.inheritClass( ImageInfo, mw.mmv.provider.Api );
+
+	/**
+	 * List of imageinfo API properties which are needed to construct an Image model.
+	 *
+	 * @property {string}
+	 */
+	ImageInfo.prototype.iiprop = [
+		'timestamp',
+		'url',
+		'size',
+		'mime',
+		'mediatype',
+		'extmetadata'
+	].join( '|' );
+
+	/**
+	 * List of imageinfo extmetadata fields which are needed to construct an Image model.
+	 *
+	 * @property {string}
+	 */
+	ImageInfo.prototype.iiextmetadatafilter = [
+		'DateTime',
+		'DateTimeOriginal',
+		'ObjectName',
+		'ImageDescription',
+		'License',
+		'LicenseShortName',
+		'UsageTerms',
+		'LicenseUrl',
+		'Credit',
+		'Artist',
+		'AuthorCount',
+		'GPSLatitude',
+		'GPSLongitude',
+		'Permission',
+		'Attribution',
+		'AttributionRequired',
+		'NonFree',
+		'Restrictions',
+		'DeletionReason'
+	].join( '|' );
+
+	/**
+	 * Runs an API GET request to get the image info.
+	 *
+	 * @param {mw.Title} file
+	 * @return {jQuery.Promise} a promise which resolves to an mw.mmv.model.Image object.
+	 */
+	ImageInfo.prototype.get = function ( file ) {
+		var provider = this;
+
+		return this.getCachedPromise( file.getPrefixedDb(), function () {
+			return provider.apiGetWithMaxAge( {
+				action: 'query',
+				prop: 'imageinfo',
+				titles: file.getPrefixedDb(),
+				iiprop: provider.iiprop,
+				iiextmetadatafilter: provider.iiextmetadatafilter,
+				iiextmetadatalanguage: provider.options.language,
+				uselang: 'content'
+			} ).then( function ( data ) {
+				return provider.getQueryPage( file, data );
+			} ).then( function ( page ) {
+				if ( page.imageinfo && page.imageinfo.length ) {
+					return mw.mmv.model.Image.newFromImageInfo( file, page );
+				} else if ( page.missing === '' && page.imagerepository === '' ) {
+					return $.Deferred().reject( 'file does not exist: ' + file.getPrefixedDb() );
+				} else {
+					return $.Deferred().reject( 'unknown error' );
+				}
+			} );
+		} );
+	};
+
+	mw.mmv.provider.ImageInfo = ImageInfo;
+}( mediaWiki, OO, jQuery ) );