MediaWiki:Gadget-twinklebatchdelete.js

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(function($){

/* **************************************** *** twinklebatchdelete.js: Batch delete module (sysops only) **************************************** * Mode of invocation:    Tab ("D-batch") * Active on:             Existing non-articles, and Special:PrefixIndex * Config directives in:  TwinkleConfig */

Twinkle.batchdelete = function twinklebatchdelete { if(		Morebits.userIsInGroup( 'sysop' ) && ( ( mw.config.get( 'wgCurRevisionId' ) && mw.config.get( 'wgNamespaceNumber' ) > 0 ) || mw.config.get( 'wgCanonicalSpecialPageName' ) === 'Prefixindex' )	) {		Twinkle.addPortletLink( Twinkle.batchdelete.callback, "D-batch", "tw-batch", "Delete pages found in this category/on this page" ); } };

Twinkle.batchdelete.unlinkCache = {}; Twinkle.batchdelete.callback = function twinklebatchdeleteCallback { var Window = new Morebits.simpleWindow( 600, 400 ); Window.setTitle( "Batch deletion" ); Window.setScriptName( "Twinkle" ); Window.addFooterLink( "Twinkle help", "WP:TW/DOC#batchdelete" );

var form = new Morebits.quickForm( Twinkle.batchdelete.callback.evaluate ); form.append( {			type: 'checkbox',			list: [				{					label: 'Delete pages',					name: 'delete_page',					value: 'delete',					checked: true,					subgroup: {						type: 'checkbox',						list: [							{								label: 'Delete associated talk pages (except user talk pages)',								name: 'delete_talk',								value: 'delete_talk',								checked: true							},							{								label: 'Delete redirects to deleted pages',								name: 'delete_redirects',								value: 'delete_redirects',								checked: true							}						]					}				},				{					label: 'Unlink backlinks to each page (in Main and Portal namespaces only)',					name: 'unlink_page',					value: 'unlink',					checked: false				},				{					label: 'Remove usages of each file (in all namespaces)',					name: 'unlink_file',					value: 'unlink_file',					checked: true				}			]		} ); form.append( {			type: 'input',			name: 'reason',			label: 'Reason: ',			size: 60		} );

var query = { 'action': 'query', 'prop': 'revisions|info|imageinfo', 'inprop': 'protection', 'rvprop': 'size|user' };	if( mw.config.get( 'wgNamespaceNumber' ) === 14 ) { // Category: query.generator = 'categorymembers'; query.gcmtitle = mw.config.get('wgPageName'); query.gcmlimit = Twinkle.getPref('batchMax'); // the max for sysops } else if( mw.config.get( 'wgCanonicalSpecialPageName' ) === 'Prefixindex' ) {

query.generator = 'allpages'; query.gaplimit = Twinkle.getPref('batchMax'); // the max for sysops if(Morebits.queryString.exists( 'prefix' ) ) {			query.gapnamespace = Morebits.queryString.get( 'namespace' ); query.gapprefix = Morebits.string.toUpperCaseFirstChar( Morebits.queryString.get( 'prefix' ) ); }		else {			var pathSplit = decodeURIComponent(location.pathname).split('/'); if (pathSplit.length < 3 || pathSplit[2] !== "Special:PrefixIndex") { return; }			var titleSplit = pathSplit[3].split(':'); query.gapnamespace = mw.config.get("wgNamespaceIds")[titleSplit[0].toLowerCase]; if ( titleSplit.length < 2 || typeof query.gapnamespace === 'undefined' ) {				query.gapnamespace = 0; // article namespace query.gapprefix = pathSplit.splice(3).join('/'); }			else {				pathSplit = pathSplit.splice(4); pathSplit.splice(0,0,titleSplit.splice(1).join(':')); query.gapprefix = pathSplit.join('/'); }		}	} else { query.generator = 'links'; query.titles = mw.config.get('wgPageName'); query.gpllimit = Twinkle.getPref('batchMax'); // the max for sysops }

var statusdiv = document.createElement( 'div' ); statusdiv.style.padding = '15px'; // just so it doesn't look broken Window.setContent(statusdiv); Morebits.status.init(statusdiv); Window.display;

var statelem = new Morebits.status("Grabbing list of pages"); var wikipedia_api = new Morebits.wiki.api( 'loading...', query, function( apiobj ) {			var xml = apiobj.responseXML;			var $pages = $(xml).find('page').filter(':not([missing])'); // :not([imagerepository="shared"])			var list = [];			$pages.each(function(index, page) { var $page = $(page); var ns = $page.attr('ns'); var title = $page.attr('title'); var isRedir = $page.attr('redirect') === ""; var $editprot = $page.find('pr[type="edit"][level="sysop"]'); var isProtected = $editprot.length > 0; var size = $page.find('rev').attr('size');

var metadata = []; if (isRedir) { metadata.push("redirect"); }				if (isProtected) { metadata.push("fully protected" +						($editprot.attr('expiry') === 'infinity' ? ' indefinitely' : (', expires ' + $editprot.attr('expiry')))); }				if (ns === "6") { // mimic what delimages used to show for files metadata.push("uploader: " + $page.find('ii').attr('user')); metadata.push("last edit from: " + $page.find('rev').attr('user')); } else { metadata.push(size + " bytes"); }				list.push({					label: title + (metadata.length ? (' (' + metadata.join('; ') + ')') : ''),					value: title,					checked: true,					style: (isProtected ? 'color:red' : '')				}); });

apiobj.params.form.append({ type: 'header', label: 'Pages to delete' }); apiobj.params.form.append({					type: 'button',					label: "Select All",					event: function(e) {						$(Morebits.quickForm.getElements(e.target.form, "pages")).prop('checked', true);					}				}); apiobj.params.form.append({					type: 'button',					label: "Deselect All",					event: function(e) {						$(Morebits.quickForm.getElements(e.target.form, "pages")).prop('checked', false);					}				}); apiobj.params.form.append( {					type: 'checkbox',					name: 'pages',					list: list				} ); apiobj.params.form.append( { type:'submit' } );

var result = apiobj.params.form.render; apiobj.params.Window.setContent( result );

Morebits.checkboxShiftClickSupport(Morebits.quickForm.getElements(result, 'pages')); }, statelem );

wikipedia_api.params = { form:form, Window:Window }; wikipedia_api.post; };

Twinkle.batchdelete.callback.evaluate = function twinklebatchdeleteCallbackEvaluate(event) { Morebits.wiki.actionCompleted.notice = 'Status'; Morebits.wiki.actionCompleted.postfix = 'batch deletion is now complete';

var numProtected = $(Morebits.quickForm.getElements(event.target, 'pages')).filter(function(index, element) {		return element.checked && element.nextElementSibling.style.color === 'red';	}).length; if (numProtected > 0 && !confirm("You are about to delete " + numProtected + " fully protected page(s). Are you sure?")) { return; }

var pages = event.target.getChecked( 'pages' ); var reason = event.target.reason.value; var delete_page = event.target.delete_page.checked; var delete_talk = event.target.delete_talk && event.target.delete_talk.checked; var delete_redirects = event.target.delete_redirects && event.target.delete_redirects.checked; var unlink_page = event.target.unlink_page.checked; var unlink_file = event.target.unlink_file.checked; if( ! reason ) { alert("You need to give a reason, you cabal crony!"); return; }	Morebits.simpleWindow.setButtonsEnabled( false ); Morebits.status.init( event.target ); if( !pages ) { Morebits.status.error( 'Error', 'nothing to delete, aborting' ); return; }

var pageDeleter = new Morebits.batchOperation(delete_page ? "Deleting pages" : "Initiating requested tasks"); pageDeleter.setOption("chunkSize", Twinkle.getPref('batchdeleteChunks')); // we only need the initial status lines if we're deleting the pages in the pages array pageDeleter.setOption("preserveIndividualStatusLines", delete_page); pageDeleter.setPageList(pages); pageDeleter.run(function(pageName) {		var params = {			page: pageName,			delete_page: delete_page,			delete_talk: delete_talk,			delete_redirects: delete_redirects,			unlink_page: unlink_page,			unlink_file: unlink_file && /^(File|Image):/i.test(pageName),			reason: reason,			pageDeleter: pageDeleter		};

var wikipedia_page = new Morebits.wiki.page( pageName, 'Deleting page ' + pageName ); wikipedia_page.setCallbackParameters(params); if( delete_page ) { wikipedia_page.setEditSummary(reason + Twinkle.getPref('deletionSummaryAd')); wikipedia_page.suppressProtectWarning; wikipedia_page.deletePage(Twinkle.batchdelete.callbacks.doExtras, pageDeleter.workerFailure); } else { Twinkle.batchdelete.callbacks.doExtras(wikipedia_page); }	}); };

Twinkle.batchdelete.callbacks = { // this stupid parameter name is a temporary thing until I implement an overhaul // of Morebits.wiki.* callback parameters doExtras: function( thingWithParameters ) { var params = thingWithParameters.parent ? thingWithParameters.parent.getCallbackParameters : thingWithParameters.getCallbackParameters; // the initial batch operation's job is to delete the page, and that has // succeeded by now params.pageDeleter.workerSuccess(thingWithParameters);

var query, wikipedia_api;

if( params.unlink_page ) { Twinkle.batchdelete.unlinkCache = {}; query = { 'action': 'query', 'list': 'backlinks', 'blfilterredir': 'nonredirects', 'blnamespace': [0, 100], // main space and portal space only 'bltitle': params.page, 'bllimit': 5000 // 500 is max for normal users, 5000 for bots and sysops };			wikipedia_api = new Morebits.wiki.api( 'Grabbing backlinks', query, Twinkle.batchdelete.callbacks.unlinkBacklinksMain ); wikipedia_api.params = params; wikipedia_api.post; }

if( params.unlink_file ) { query = { 'action': 'query', 'list': 'imageusage', 'iutitle': params.page, 'iulimit': 5000 // 500 is max for normal users, 5000 for bots and sysops };			wikipedia_api = new Morebits.wiki.api( 'Grabbing file links', query, Twinkle.batchdelete.callbacks.unlinkImageInstancesMain ); wikipedia_api.params = params; wikipedia_api.post; }

if( params.delete_page ) { if ( params.delete_redirects ) { query = { 'action': 'query', 'titles': params.page, 'prop': 'redirects', 'rdlimit': 5000 // 500 is max for normal users, 5000 for bots and sysops };				wikipedia_api = new Morebits.wiki.api( 'Grabbing redirects', query, Twinkle.batchdelete.callbacks.deleteRedirectsMain ); wikipedia_api.params = params; wikipedia_api.post; }			if ( params.delete_talk ) { var pageTitle = mw.Title.newFromText(params.page); if (pageTitle && pageTitle.namespace % 2 === 0 && pageTitle.namespace !== 2) { pageTitle.namespace++; // now pageTitle is the talk page title! query = { 'action': 'query', 'titles': pageTitle.toText };					wikipedia_api = new Morebits.wiki.api( 'Checking whether talk page exists', query, Twinkle.batchdelete.callbacks.deleteTalk ); wikipedia_api.params = params; wikipedia_api.params.talkPage = pageTitle.toText; wikipedia_api.post; }			}		}	},	deleteRedirectsMain: function( apiobj ) { var xml = apiobj.responseXML; var pages = $(xml).find('rd').map(function { return $(this).attr('title'); }).get; if (!pages.length) { return; }

var redirectDeleter = new Morebits.batchOperation("Deleting redirects to " + apiobj.params.page); redirectDeleter.setOption("chunkSize", Twinkle.getPref('batchdeleteChunks')); redirectDeleter.setPageList(pages); redirectDeleter.run(function(pageName) {			var wikipedia_page = new Morebits.wiki.page(pageName, "Deleting " + pageName);			wikipedia_page.setEditSummary('G8: Redirect to deleted page "' + apiobj.params.page + '"' + Twinkle.getPref('deletionSummaryAd'));			wikipedia_page.deletePage(redirectDeleter.workerSuccess, redirectDeleter.workerFailure);		}); },	deleteTalk: function( apiobj ) { var xml = apiobj.responseXML; var exists = $(xml).find('page:not([missing])').length > 0;

if( !exists ) { // no talk page; forget about it			return; }

var page = new Morebits.wiki.page(apiobj.params.talkPage, "Deleting talk page of article " + apiobj.params.page); page.setEditSummary("G8: Talk page of deleted page \"" + apiobj.params.page + "\"" + Twinkle.getPref('deletionSummaryAd')); page.deletePage; },	unlinkBacklinksMain: function( apiobj ) { var xml = apiobj.responseXML; var pages = $(xml).find('bl').map(function { return $(this).attr('title'); }).get; if (!pages.length) { return; }

var unlinker = new Morebits.batchOperation("Unlinking backlinks to " + apiobj.params.page); unlinker.setOption("chunkSize", Twinkle.getPref('batchdeleteChunks')); unlinker.setPageList(pages); unlinker.run(function(pageName) {			var wikipedia_page = new Morebits.wiki.page(pageName, "Unlinking on " + pageName);			var params = $.extend({}, apiobj.params);			params.title = pageName;			params.unlinker = unlinker;			wikipedia_page.setCallbackParameters(params);			wikipedia_page.load(Twinkle.batchdelete.callbacks.unlinkBacklinks);		}); },	unlinkBacklinks: function( pageobj ) { var params = pageobj.getCallbackParameters; if( ! pageobj.exists ) { // we probably just deleted it, as a recursive backlink params.unlinker.workerSuccess(pageobj); return; }

var text; if( params.title in Twinkle.batchdelete.unlinkCache ) { text = Twinkle.batchdelete.unlinkCache[ params.title ]; } else { text = pageobj.getPageText; }		var old_text = text; var wikiPage = new Morebits.wikitext.page( text ); wikiPage.removeLink( params.page );

text = wikiPage.getText; Twinkle.batchdelete.unlinkCache[ params.title ] = text; if( text === old_text ) { // Nothing to do, return params.unlinker.workerSuccess(pageobj); return; }		pageobj.setEditSummary('Removing link(s) to deleted page ' + params.page + Twinkle.getPref('deletionSummaryAd')); pageobj.setPageText(text); pageobj.setCreateOption('nocreate'); pageobj.setMaxConflictRetries(10); pageobj.save(params.unlinker.workerSuccess, params.unlinker.workerFailure); },	unlinkImageInstancesMain: function( apiobj ) { var xml = apiobj.responseXML; var pages = $(xml).find('iu').map(function { return $(this).attr('title'); }).get; if (!pages.length) { return; }

var unlinker = new Morebits.batchOperation("Unlinking backlinks to " + apiobj.params.page); unlinker.setOption("chunkSize", Twinkle.getPref('batchdeleteChunks')); unlinker.setPageList(pages); unlinker.run(function(pageName) {			var wikipedia_page = new Morebits.wiki.page(pageName, "Removing file usages on " + pageName);			var params = $.extend({}, apiobj.params);			params.title = pageName;			params.unlinker = unlinker;			wikipedia_page.setCallbackParameters(params);			wikipedia_page.load(Twinkle.batchdelete.callbacks.unlinkImageInstances);		}); },	unlinkImageInstances: function( pageobj ) { var params = pageobj.getCallbackParameters; if( ! pageobj.exists ) { // we probably just deleted it, as a recursive backlink params.unlinker.workerSuccess(pageobj); return; }

var image = params.image.replace( /^(?:Image|File):/, '' ); var text; if( params.title in Twinkle.batchdelete.unlinkCache ) { text = Twinkle.batchdelete.unlinkCache[ params.title ]; } else { text = pageobj.getPageText; }		var old_text = text; var wikiPage = new Morebits.wikitext.page( text ); wikiPage.commentOutImage( image, 'Commented out because image was deleted' );

text = wikiPage.getText; Twinkle.batchdelete.unlinkCache[ params.title ] = text; if( text === old_text ) { pageobj.getStatusElement.error( 'failed to unlink image ' + image + ' from ' + pageobj.getPageName ); params.unlinker.workerFailure(pageobj); return; }		pageobj.setEditSummary('Removing instance of file ' + image + " that has been deleted because \"" + params.reason + "\")" + Twinkle.getPref('deletionSummaryAd'));		pageobj.setPageText(text);		pageobj.setCreateOption('nocreate');		pageobj.setMaxConflictRetries(10);		pageobj.save(params.unlinker.workerSuccess, params.unlinker.workerFailure);	} }; })(jQuery);

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