mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/RelatedArticles
synced 2024-09-23 18:30:54 +00:00
be3385e6d5
Currently, the extension queries the prop=description api to fetch the description, but this api is only available if Wikibaseclient is installed. Let's support other sources to fetch the page description from, too, or disable it (by default) to sabe 85 bytes from each response by avoiding the warning returned from the api when prop=description is not recognized. A new configuration setting has been added: RelatedArticlesDescriptionSource. It defaults to false (no description is fetched), but can be set to one of those string values: - wikidata: What's being used right now on WMF wikis - textextracts: Extension:TextExtracts provides the prop=extracts api. - pagedescription: Extension:Description2 provides a description page property, that can be queried by prop=pageprops&ppprop=description Bug: T230947 Change-Id: I34410334ba9d6db1f686c7efb5722e2a51957145
134 lines
4.1 KiB
JavaScript
134 lines
4.1 KiB
JavaScript
( function () {
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// FIXME: Move into separate file as this module becomes larger.
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mw.relatedPages = {};
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/**
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* @class RelatedPagesGateway
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* @param {mw.Api} api
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* @param {string} currentPage the page that the editorCuratedPages relate to
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* @param {Array|null} editorCuratedPages a list of pages curated by editors for the current page
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* @param {boolean} useCirrusSearch whether to hit the API when no editor-curated pages are available
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* @param {boolean} [onlyUseCirrusSearch=false] whether to ignore the list of editor-curated pages
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* @param {boolean|string} [descriptionSource=false] source to get the page description from
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*/
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function RelatedPagesGateway(
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api,
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currentPage,
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editorCuratedPages,
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useCirrusSearch,
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onlyUseCirrusSearch,
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descriptionSource
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) {
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this.api = api;
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this.currentPage = currentPage;
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this.useCirrusSearch = useCirrusSearch;
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this.descriptionSource = descriptionSource;
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if ( onlyUseCirrusSearch ) {
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editorCuratedPages = [];
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}
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this.editorCuratedPages = editorCuratedPages || [];
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}
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OO.initClass( RelatedPagesGateway );
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/**
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* @ignore
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* @param {Object} result
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* @return {Array}
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*/
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function getPages( result ) {
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return result && result.query && result.query.pages ? result.query.pages : [];
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}
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/**
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* Gets the related pages for the current page.
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*
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* If there are related pages assigned to this page using the `related`
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* parser function, then they are returned.
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*
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* If there aren't any related pages assigned to the page, then the
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* CirrusSearch extension's {@link https://www.mediawiki.org/wiki/Help:CirrusSearch#morelike: "morelike:" feature}
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* is used. If the CirrusSearch extension isn't installed, then the API
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* call will fail gracefully and no related pages will be returned.
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* Thus the dependency on the CirrusSearch extension is soft.
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*
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* Related pages will have the following information:
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*
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* * The ID of the page corresponding to the title
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* * The thumbnail, if any
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* * The page description, if any
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*
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* @method
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* @param {number} limit of pages to get. Should be between 1-20.
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* @return {jQuery.Promise}
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*/
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RelatedPagesGateway.prototype.getForCurrentPage = function ( limit ) {
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var parameters = {
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action: 'query',
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formatversion: 2,
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prop: 'pageimages',
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piprop: 'thumbnail',
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pithumbsize: 160 // FIXME: Revert to 80 once pithumbmode is implemented
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},
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// Enforce limit
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relatedPages = this.editorCuratedPages.slice( 0, limit );
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switch ( this.descriptionSource ) {
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case 'wikidata':
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parameters.prop += '|description';
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break;
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case 'textextracts':
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parameters.prop += '|extracts';
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parameters.exsentences = '1';
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parameters.exintro = '1';
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parameters.explaintext = '1';
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break;
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case 'pagedescription':
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parameters.prop += '|pageprops';
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parameters.ppprop = 'description';
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break;
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}
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if ( relatedPages.length ) {
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parameters.pilimit = relatedPages.length;
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parameters.continue = '';
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parameters.titles = relatedPages;
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} else if ( this.useCirrusSearch ) {
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parameters.pilimit = limit;
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parameters.generator = 'search';
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parameters.gsrsearch = 'morelike:' + this.currentPage;
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parameters.gsrnamespace = '0';
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parameters.gsrlimit = limit;
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parameters.gsrqiprofile = 'classic_noboostlinks';
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// Currently, if you're logged in, then the API uses your language by default ard so responses
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// are always private i.e. they shouldn't be cached in a shared cache and can be cached by the
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// browser.
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//
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// By make the API use the language of the content rather than that of the user, the API
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// reponse is made public, i.e. they can be cached in a shared cache.
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//
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// See T97096 for more detail and discussion.
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parameters.uselang = 'content';
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// Instruct shared caches that the response will become stale in 24 hours.
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parameters.smaxage = 86400;
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// Instruct the browser that the response will become stale in 24 hours.
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parameters.maxage = 86400;
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} else {
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return $.Deferred().resolve( [] );
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}
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return this.api.get( parameters )
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.then( getPages );
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};
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mw.relatedPages.RelatedPagesGateway = RelatedPagesGateway;
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}() );
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