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// Fork of [[User:1234qwer1234qwer4/shortdescs-in-category.js]]



/**

 * Shows button on category pages to see short description of all pages in the category.

 * 

 * Look for a button saying "Show SDs" towards the right, above the list of pages.

 * 

 * Forking from [[User:SD0001/shortdescs-in-category.js]] to allow importing Wikidata descriptions.

 * Uses code from [[User:Qwerfjkl/scripts/unusedCategories.js]]

 * 

 * Do not use on redirects (yet)

 * 

 * <nowiki>

 */



$.ready.then(function() {



	if (mw.config.get('wgNamespaceNumber') !== 14) {

		return;

	}

	

	$('#mw-pages > p').append(

		$('<button>').text('Show SDs').attr('id', 'showSD-button').addClass('mw-ui-button').css('float', 'right').click(showsSDs)

	);



	if (location.href.indexOf('&showSD=y') !== -1) {

		showsSDs();

	}



});



function fixLinks(showingSDs) {

	if (showingSDs) {

		$('#mw-pages > a').each(function() {

			if (this.href.indexOf('#') !== -1) {

				this.href = this.href.replace(/#/, '&showSD=y#');

			} else {

				this.href += '&showSD=y';

			}

		});

	} else {

		$('#mw-pages > a').each(function() {

			this.href = this.href.replace(/&showSD=y/g, '');

		});

	}

}



function hideSDs(e) {

	if (e) e.preventDefault();

	

	fixLinks(false);

	$('#showSD-button').text('Show SDs').off('click').on('click', showsSDs);

	$('.cat-shortdesc-none, .cat-shortdesc-local, .cat-shortdesc-wikidata, .cat-shortdesc-wikidata-import').remove();

	

}



function showsSDs(e) {

	if (e) e.preventDefault();



	fixLinks(true);

	$('#showSD-button').text('Hide SDs').off('click').on('click', hideSDs);	

	

	mw.util.addCSS('.cat-shortdesc-none { color: red } .cat-shortdesc-wikidata { color: MediumVioletRed } .cat-shortdesc-wikidata-import {font-size:x-small; display:inline-block}');



	var titles = $('#mw-pages li').get().map(function(e) {

		var a = e.querySelector('a');

		return mw.Title.newFromText(a.textContent).getSubjectPage().toText();

	});



	var titleSets = arrayChunk(titles, 50);

	var api = new mw.Api();

	var wdApi = new mw.ForeignApi('https://www.wikidata.org/w/api.php', { anonymous: true });



	var promiseArr = titleSets.map(function(set) {

		return api.get({

			"action": "query",

			"format": "json",

			"prop": "description",

			"titles": set,

			"formatversion": "2",

		});

	});

	var promiseArrWd = titleSets.map(function(set) {

		return wdApi.get({

			"action": "wbgetentities",

			"sites": "enwiki",

			"titles": set,

			"props": "descriptions|sitelinks",

			"languages": "en",

			"sitefilter": "enwiki"

		});

	});



	$.when.apply($, promiseArr.concat(promiseArrWd)).then(function() {

		var descs = {};

		Array.prototype.slice.call(arguments).forEach(function(response) {

			var json = response0];

			if (json.query) { // enwiki API output

				json.query.pages.forEach(function(pg) {

					descspg.title = {

						value: pg.description

					};

				});		

			} else if (json.entities) { // wikidata API output

				$.each(json.entities, function(id, data) {

					var pagename = data.sitelinks && data.sitelinks.enwiki && data.sitelinks.enwiki.title;

					if (pagename) {

						var entry = descspagename];

						if (entry && !entry.value) {

							entry.value = data.descriptions && data.descriptions.en && data.descriptions.en.value;

							entry.wd = id;

						} 

					}

				});

			}

		});	

		attachDescriptions(descs);

	});

}



function attachDescriptions(descs) {

	var counter = 0;

	$('#mw-pages li').get().forEach(function(e) {

		var a = e.querySelector('a');

		var title = mw.Title.newFromText(a.textContent).getSubjectPage().toText();

		if (!descstitle || !descstitle].value) {

			$(e).append(

				$('<span>').text(' – no shortdesc')

					.addClass('cat-shortdesc-none')

			).append(

                $('<a>').text(' – Add')

					.addClass('cat-shortdesc-wikidata-add')

                    .attr({title: "Add short description.", noPopup: 1, id: counter + "Add"})

            );



		} else if (!descstitle].wd) {

			$(e).append(

				$('<span>').text(' – ' + descstitle].value)

					.addClass('cat-shortdesc-local')

			);

		} else {

			var wd = descstitle].wd;

			$(e).append(

				$('<span>').text(' – ' + descstitle].value)

					.addClass('cat-shortdesc-wikidata')

			).append(

				$('<a>').text(' – Import')

					.addClass('cat-shortdesc-wikidata-import')

					.attr({title: "Import Wikidata description.", noPopup: 1, id: wd + "Import"})

			);

			$("#" + wd + "Import").click({"page":title,"desc":descstitle].value}, importSubmitS);

			$("#" + counter + "Add").click({"page":title,"desc":''}, importSubmitS);

			counter += 1;

            console.log("Title: " + title);

		}

	});

}



function importSubmitS(event){

	var page = event.data.page;

	var desc = event.data.desc;

	checkPageWikitextS(page,desc);

}



function checkPageWikitextS(page,desc) {

	var send_req = {

		action: 'expandtemplates',

		text: "{{:"+page+"}}",

		titles: page,

		prop: 'wikitext',

	};

	$.get( mw.config.get( 'wgScriptPath' ) + '/api.php', send_req, function( response ) {

		window.textToCheckForCategories = $( response ).find( '*' ).text();

		importSubmitS2(page,desc);

	});

}



function importSubmitS2(page,desc) {

    console.log("Title: " + page);



	if (window.textToCheckForCategories.match(/Category:articles with short description/) != null) { // There's a match

    	mw.notify( page+" contains a short description, aborted.");

	    return;

	}

	desc1=desc.charAt(0).toUpperCase()+desc.slice(1);

	desc=prompt("Change short description to:", desc1);

    if (!desc) {

        mw.notify("Aborted.");

        return;

     }

	var requestDataS =

	{

		minor: false,

		prependtext: "{{Short description|"+desc+"}}\n",

		summary: (desc===desc1?"Importing Wikidata":"Adding")+" [[Wikipedia:Short description|short description]]: "+desc+" ([[User:1234qwer1234qwer4/shortdescs-in-category.js|shortdescs-in-category]])"

	};

	new mw.Api().(page, function() {

		return requestDataS;

	}).done(function(data) {

		

			if (data && data.result && data.result === 'Success')

			{

				mw.notify("Wikidata description imported for "+page);

			}

			else

			{

				alert('There was an error tagging "'+page+'". Code: ' + data);

			}

	}).fail(function(data) {

			alert('There was an error using AJAX to tag "'+page+'". Error: ' + data);

	});

}



function arrayChunk(arr, size) {

	var numChunks = Math.ceil(arr.length / size);

	var result = new Array(numChunks);

	for (var i = 0; i < numChunks; i++) {

		resulti = arr.slice(i * size, (i + 1) * size);

	}

	return result;

}



// </nowiki>