mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/MultimediaViewer
synced 2024-12-12 16:25:10 +00:00
30fad6b8b8
* classes * arrow functions * const/let * string templates * Object.assign Bug: T337102 Change-Id: I757b9993a2feeed707fb4ad213944001498f3f6a
123 lines
3.2 KiB
JavaScript
123 lines
3.2 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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const Api = require( './mmv.provider.Api.js' );
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const ImageModel = require( '../model/mmv.model.Image.js' );
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( function () {
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/**
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* Gets file information.
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*
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* See https://www.mediawiki.org/wiki/API:Properties#imageinfo_.2F_ii
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*/
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class ImageInfo extends Api {
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/**
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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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* @cfg {number} [maxage] cache expiration time, in seconds
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* Will be used for both client-side cache (maxage) and reverse proxies (s-maxage)
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*/
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constructor( api, options ) {
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options = Object.assign( {
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language: null
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}, options );
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super( api, options );
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}
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/**
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* Array of imageinfo API properties which are needed to construct an Image model.
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*
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* @property {string[]}
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*/
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get iiprop() {
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return [
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'timestamp',
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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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];
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}
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/**
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* Array of imageinfo extmetadata fields which are needed to construct an Image model.
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*
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* @property {string[]}
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*/
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get iiextmetadatafilter() {
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return [
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'DateTime',
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'DateTimeOriginal',
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'ObjectName',
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'ImageDescription',
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'License',
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'LicenseShortName',
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'UsageTerms',
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'LicenseUrl',
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'Credit',
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'Artist',
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'AuthorCount',
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'GPSLatitude',
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'GPSLongitude',
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'Permission',
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'Attribution',
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'AttributionRequired',
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'NonFree',
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'Restrictions',
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'DeletionReason'
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];
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}
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/**
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* Runs an API GET request to get the image info.
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*
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* @param {mw.Title} file
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* @return {jQuery.Promise} a promise which resolves to an Image object.
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*/
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get( file ) {
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return this.getCachedPromise( file.getPrefixedDb(), () => {
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return this.apiGetWithMaxAge( {
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formatversion: 2,
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action: 'query',
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prop: 'imageinfo',
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titles: file.getPrefixedDb(),
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iiprop: this.iiprop,
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iiextmetadatafilter: this.iiextmetadatafilter,
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iiextmetadatalanguage: this.options.language,
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uselang: 'content'
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} ).then( ( data ) => {
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return this.getQueryPage( data );
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} ).then( ( page ) => {
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if ( page.imageinfo && page.imageinfo.length ) {
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return ImageModel.newFromImageInfo( file, page );
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} else if ( page.missing === true && 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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}
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module.exports = ImageInfo;
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}() );
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