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 and non-existing non-articles, and Special:PrefixIndex * Config directives in:  TwinkleConfig */

Twinkle.batchdelete = function twinklebatchdelete { if( Morebits.userIsInGroup( 'sysop' ) && (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( 800, 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				},				{					label: 'Remove backlinks to the page',					name: 'unlink_page',					value: 'unlink',					checked: true				},				{					label: 'Delete redirects to deleted pages',					name: 'delete_redirects',					value: 'delete_redirects',					checked: true				}			]		} ); form.append( {			type: 'textarea',			name: 'reason',			label: 'Reason: '		} );

var query; if( mw.config.get( 'wgNamespaceNumber' ) === 14 ) { // Category:

query = { 'action': 'query', 'generator': 'categorymembers', 'gcmtitle': mw.config.get( 'wgPageName' ), 'gcmlimit' : Twinkle.getPref('batchMax'), // the max for sysops 'prop': [ 'categories', 'revisions' ], 'rvprop': [ 'size' ] };	} else if( mw.config.get( 'wgCanonicalSpecialPageName' ) === 'Prefixindex' ) {

var gapnamespace, gapprefix; if(Morebits.queryString.exists( 'from' ) ) {			gapnamespace = Morebits.queryString.get( 'namespace' ); gapprefix = Morebits.string.toUpperCaseFirstChar( Morebits.queryString.get( 'from' ) ); }		else {			var pathSplit = decodeURIComponent(location.pathname).split('/'); if (pathSplit.length < 3 || pathSplit[2] !== "Special:PrefixIndex") { return; }			var titleSplit = pathSplit[3].split(':'); gapnamespace = mw.config.get("wgNamespaceIds")[titleSplit[0].toLowerCase]; if ( titleSplit.length < 2 || typeof gapnamespace === 'undefined' ) {				gapnamespace = 0; // article namespace gapprefix = pathSplit.splice(3).join('/'); }			else {				pathSplit = pathSplit.splice(4); pathSplit.splice(0,0,titleSplit.splice(1).join(':')); gapprefix = pathSplit.join('/'); }		}

query = { 'action': 'query', 'generator': 'allpages', 'gapnamespace': gapnamespace , 'gapprefix': gapprefix, 'gaplimit' : Twinkle.getPref('batchMax'), // the max for sysops 'prop' : ['categories', 'revisions' ], 'rvprop': [ 'size' ] };	} else { query = { 'action': 'query', 'generator': 'links', 'titles': mw.config.get( 'wgPageName' ), 'gpllimit' : Twinkle.getPref('batchMax'), // the max for sysops 'prop': [ 'categories', 'revisions' ], 'rvprop': [ 'size' ] };	}

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( self ) {			var xmlDoc = self.responseXML;			var snapshot = xmlDoc.evaluate('//page[@ns != "6" and not(@missing)]', xmlDoc, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null ); // 6 = File: namespace			var list = [];			for ( var i = 0; i < snapshot.snapshotLength; ++i ) {				var object = snapshot.snapshotItem(i);				var page = xmlDoc.evaluate( '@title', object, null, XPathResult.STRING_TYPE, null ).stringValue;				var size = xmlDoc.evaluate( 'revisions/rev/@size', object, null, XPathResult.NUMBER_TYPE, null ).numberValue;

var disputed = xmlDoc.evaluate( 'boolean(categories/cl[@title="Category:Contested candidates for speedy deletion"])', object, null, XPathResult.BOOLEAN_TYPE, null ).booleanValue; list.push( {label:page + ' (' + size + ' bytes)' + ( disputed ? ' (DISPUTED CSD)' : '' ), value:page, checked:!disputed }); }			self.params.form.append( {					type: 'checkbox',					name: 'pages',					list: list				} ); self.params.form.append( { type:'submit' } );

var result = self.params.form.render; self.params.Window.setContent( result ); }, statelem );

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

Twinkle.batchdelete.currentDeleteCounter = 0; Twinkle.batchdelete.currentUnlinkCounter = 0; Twinkle.batchdelete.currentdeletor = 0; Twinkle.batchdelete.callback.evaluate = function twinklebatchdeleteCallbackEvaluate(event) { Morebits.wiki.actionCompleted.notice = 'Status'; Morebits.wiki.actionCompleted.postfix = 'batch deletion is now complete';

var pages = event.target.getChecked( 'pages' ); var reason = event.target.reason.value; var delete_page = event.target.delete_page.checked; var unlink_page = event.target.unlink_page.checked; var delete_redirects = event.target.delete_redirects.checked; if( ! reason ) { return; }	Morebits.simpleWindow.setButtonsEnabled( false ); Morebits.status.init( event.target ); if( !pages ) { Morebits.status.error( 'Error', 'nothing to delete, aborting' ); return; }

function toCall( work ) { if( work.length === 0 && Twinkle.batchdelete.currentDeleteCounter <= 0 && Twinkle.batchdelete.currentUnlinkCounter <= 0 ) { window.clearInterval( Twinkle.batchdelete.currentdeletor ); Morebits.wiki.removeCheckpoint; return; } else if( work.length !== 0 && ( Twinkle.batchdelete.currentDeleteCounter <= Twinkle.getPref('batchDeleteMinCutOff') || Twinkle.batchdelete.currentUnlinkCounter <= Twinkle.getPref('batchDeleteMinCutOff') ) ) { Twinkle.batchdelete.unlinkCache = []; // Clear the cache var pages = work.shift; Twinkle.batchdelete.currentDeleteCounter += pages.length; Twinkle.batchdelete.currentUnlinkCounter += pages.length; for( var i = 0; i < pages.length; ++i ) { var page = pages[i]; var query = { 'action': 'query', 'titles': page };				var wikipedia_api = new Morebits.wiki.api( 'Checking if page ' + page + ' exists', query, Twinkle.batchdelete.callbacks.main ); wikipedia_api.params = { page:page, reason:reason, unlink_page:unlink_page, delete_page:delete_page, delete_redirects:delete_redirects }; wikipedia_api.post; }		}	}	var work = Morebits.array.chunk( pages, Twinkle.getPref('batchdeleteChunks') ); Morebits.wiki.addCheckpoint; Twinkle.batchdelete.currentdeletor = window.setInterval( toCall, 1000, work ); };

Twinkle.batchdelete.callbacks = { main: function( self ) { var xmlDoc = self.responseXML; var normal = xmlDoc.evaluate( '//normalized/n/@to', xmlDoc, null, XPathResult.STRING_TYPE, null ).stringValue; if( normal ) { self.params.page = normal; }		var exists = xmlDoc.evaluate( 'boolean(//pages/page[not(@missing)])', xmlDoc, null, XPathResult.BOOLEAN_TYPE, null ).booleanValue;

if( ! exists ) { self.statelem.error( "It seems that the page doesn't exist, perhaps it has already been deleted" ); return; }

var query, wikipedia_api; if( self.params.unlink_page ) { query = { 'action': 'query', 'list': 'backlinks', 'blfilterredir': 'nonredirects', 'blnamespace': [0, 100], // main space and portal space only 'bltitle': self.params.page, 'bllimit': Morebits.userIsInGroup( 'sysop' ) ? 5000 : 500 // 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 = self.params; wikipedia_api.post; } else { --Twinkle.batchdelete.currentUnlinkCounter; }		if( self.params.delete_page ) { if (self.params.delete_redirects) {				query = { 'action': 'query', 'list': 'backlinks', 'blfilterredir': 'redirects', 'bltitle': self.params.page, 'bllimit': Morebits.userIsInGroup( 'sysop' ) ? 5000 : 500 // 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 = self.params; wikipedia_api.post; }

var wikipedia_page = new Morebits.wiki.page( self.params.page, 'Deleting page ' + self.params.page ); wikipedia_page.setEditSummary(self.params.reason + Twinkle.getPref('deletionSummaryAd')); wikipedia_page.deletePage(function( apiobj ) {					--Twinkle.batchdelete.currentDeleteCounter;					var link = document.createElement( 'a' );					link.setAttribute( 'href', mw.util.wikiGetlink(self.params.page) );					link.setAttribute( 'title', self.params.page );					link.appendChild( document.createTextNode( self.params.page ) );					apiobj.statelem.info( [ 'completed (', link , ')' ] );				} ); } else { --Twinkle.batchdelete.currentDeleteCounter; }	},	deleteRedirectsMain: function( self ) { var xmlDoc = self.responseXML; var snapshot = xmlDoc.evaluate('//backlinks/bl/@title', xmlDoc, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null );

var total = snapshot.snapshotLength;

if( snapshot.snapshotLength === 0 ) { return; }

var statusIndicator = new Morebits.status('Deleting redirects for ' + self.params.page, '0%');

var onsuccess = function( self ) { var obj = self.params.obj; var total = self.params.total; var now = parseInt( 100 * ++(self.params.current)/total, 10 ) + '%'; obj.update( now ); self.statelem.unlink; if( self.params.current >= total ) { obj.info( now + ' (completed)' ); Morebits.wiki.removeCheckpoint; }		};

Morebits.wiki.addCheckpoint; if( snapshot.snapshotLength === 0 ) { statusIndicator.info( '100% (completed)' ); Morebits.wiki.removeCheckpoint; return; }

var params = $.extend({}, self.params); params.current = 0; params.total = total; params.obj = statusIndicator;

for ( var i = 0; i < snapshot.snapshotLength; ++i ) { var title = snapshot.snapshotItem(i).value; var wikipedia_page = new Morebits.wiki.page( title, "Deleting " + title ); wikipedia_page.setEditSummary('G8: Redirect to deleted page "' + self.params.page + '"' + Twinkle.getPref('deletionSummaryAd')); wikipedia_page.setCallbackParameters(params); wikipedia_page.deletePage(onsuccess); }	},	unlinkBacklinksMain: function( self ) { var xmlDoc = self.responseXML; var snapshot = xmlDoc.evaluate('//backlinks/bl/@title', xmlDoc, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null );

if( snapshot.snapshotLength === 0 ) { --Twinkle.batchdelete.currentUnlinkCounter; return; }

var statusIndicator = new Morebits.status('Unlinking backlinks to ' + self.params.page, '0%');

var total = snapshot.snapshotLength * 2;

var onsuccess = function( self ) { var obj = self.params.obj; var total = self.params.total; var now = parseInt( 100 * ++(self.params.current)/total, 10 ) + '%'; obj.update( now ); self.statelem.unlink; if( self.params.current >= total ) { obj.info( now + ' (completed)' ); --Twinkle.batchdelete.currentUnlinkCounter; Morebits.wiki.removeCheckpoint; }		};

Morebits.wiki.addCheckpoint; if( snapshot.snapshotLength === 0 ) { statusIndicator.info( '100% (completed)' ); --Twinkle.batchdelete.currentUnlinkCounter; Morebits.wiki.removeCheckpoint; return; }		self.params.total = total; self.params.obj = statusIndicator; self.params.current =  0;

for ( var i = 0; i < snapshot.snapshotLength; ++i ) { var title = snapshot.snapshotItem(i).value; var wikipedia_page = new Morebits.wiki.page( title, "Unlinking on " + title ); var params = $.extend( {}, self.params ); params.title = title; params.onsuccess = onsuccess; 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.onsuccess( { params: params, statelem: pageobj.getStatusElement } ); Morebits.wiki.actionCompleted; 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.onsuccess( { params: params, statelem: pageobj.getStatusElement } ); Morebits.wiki.actionCompleted; return; }		pageobj.setEditSummary('Removing link(s) to deleted page ' + self.params.page + Twinkle.getPref('deletionSummaryAd')); pageobj.setPageText(text); pageobj.setCreateOption('nocreate'); pageobj.save(params.onsuccess); } }; })(jQuery);

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