Add support for tags

extension.json

@@ -259,6 +259,16 @@
 				"oojs-ui-widgets"
 			]
 		},
+		"ext.createwiki.oouiform.wikiTags": {
+			"scripts": "ext.createwiki.oouiform.wikiTags.js",
+			"targets": [ "desktop", "mobile" ],
+			"messages": [
+				"createwiki-label-wiki-tags"
+			],
+			"dependencies": [
+				"oojs-ui-widgets"
+			]
+		},
 		"ext.createwiki.oouiform.styles": {
 			"styles": "ext.createwiki.oouiform.ooui.less"
 		}
@@ -276,6 +286,10 @@
 			"description": "Array. Regexes in request descriptions to never auto approve if matched.",
 			"value": []
 		},
+		"CreateWikiAvailableTags": {
+			"description": "Array. List of available wiki tags. If set to an empty array, tags are disabled.",
+			"value": []
+		},
 		"CreateWikiCacheDirectory": {
 			"description": "String. The path to store CreateWiki cache files at.",
 			"value": ""

i18n/en.json

@@ -49,6 +49,7 @@
 	"createwiki-label-requester": "Requester:",
 	"createwiki-label-sitename": "Sitename:",
 	"createwiki-label-statuschangecomment": "Reason for this action:",
+	"createwiki-label-wiki-tags": "Wiki tags",
 	"createwiki-no-changes": "No changes made.",
 	"createwiki-request-locked": "This request has been locked. It cannot be edited, and no comments can be added to it.",
 	"createwiki-request-updated": "Updated request.",

i18n/qqq.json

@@ -56,6 +56,7 @@
 	"createwiki-label-requester": "Used as a label for 'requester'.\n{{Identical|Requester}}",
 	"createwiki-label-sitename": "Used as a label for 'sitename'.\n{{Identical|Sitename}}",
 	"createwiki-label-statuschangecomment": "Label for the comment field when changing the status of a wiki request.",
+	"createwiki-label-wiki-tags": "Used as a label for 'wiki tags'.",
 	"createwiki-no-changes": "Error message displayed when no changes have been made to the wiki request.",
 	"createwiki-request-locked": "Message indicating that the wiki request is locked and cannot be edited or commented on.",
 	"createwiki-request-updated": "Comment sent to the wiki request when it has been updated.",

includes/RequestWiki/SpecialRequestWiki.php

@@ -54,6 +54,11 @@ public function execute( $par ): void {
 
 		$this->checkPermissions();
 
+		$this->getOutput()->addModules( [ 'ext.createwiki.oouiform.wikiTags' ] );
+		$this->getOutput()->addJsConfigVars( [
+			'wgCreateWikiAvailableTags' => $this->getConfig()->get( ConfigNames::AvailableTags ),
+		] );
+
 		$form = $this->getForm();
 		if ( $form->show() ) {
 			$this->onSuccess();
@@ -100,6 +105,15 @@ protected function getFormFields(): array {
 			];
 		}
 
+		if ( $this->getConfig()->get( ConfigNames::AvailableTags ) {
+			$formDescriptor['wikitags'] = [
+				'type' => 'text',
+				'label-message' => 'createwiki-label-wiki-tags',
+				'cssclass' => 'createwiki-wikitags',
+				'disabled' => true,
+			];
+		}
+
 		if ( $this->getConfig()->get( ConfigNames::UsePrivateWikis ) ) {
 			$formDescriptor['private'] = [
 				'type' => 'check',

modules/ext.createwiki.oouiform.wikiTags.js

@@ -0,0 +1,38 @@
+( function () {
+	$( function () {
+		var $fallbackLayout = $( '.createwiki-wikitags.oo-ui-layout' );
+		var $fallbackInput = $( '#mw-input-wpwikitags' );
+
+		var infusedFallbackLayout = OO.ui.infuse( $fallbackLayout );
+		var infusedFallbackInput = OO.ui.infuse( $fallbackInput );
+
+		infusedFallbackLayout.$element.css( 'display', 'none' );
+
+		var tags = [];
+		for ( var key in mw.config.get( 'wgCreateWikiAvailableTags' ) ) {
+			tags.push( {
+				data: key,
+				label: mw.config.get( 'wgCreateWikiAvailableTags' )[ key ]
+			} );
+		}
+
+		var multiTagSelect = new OO.ui.MenuTagMultiselectWidget( {
+			options: tags,
+			tagLimit: 5
+		} );
+
+		var multiTagSelectLayout = new OO.ui.FieldLayout( multiTagSelect, {
+			label: mw.msg( 'createwiki-label-wiki-tags' ),
+			align: 'top'
+		} );
+
+		multiTagSelect.on( 'change', function ( items ) {
+			// Map selection changes back to the fallback input so that it is included in form submit
+			infusedFallbackInput.setValue( items.map( function ( val ) {
+				return val.data;
+			} ).join( ',' ) );
+		} );
+
+		infusedFallbackLayout.$element.before( multiTagSelectLayout.$element );
+	} );
+}() );

sql/cw_wikis.sql

@@ -17,6 +17,7 @@ CREATE TABLE /*_*/cw_wikis (
   wiki_settings LONGTEXT NULL,
   wiki_dbcluster VARCHAR(5) DEFAULT 'c1',
   wiki_category VARCHAR(64) NOT NULL,
+  wiki_tags VARCHAR(128) NOT NULL DEFAULT '',
   wiki_extensions MEDIUMTEXT NULL,
   wiki_experimental TINYINT NOT NULL DEFAULT '0'
 ) /*$wgDBTableOptions*/;

sql/patches/patch-cw_wikis-add-wiki_tags.sql

@@ -0,0 +1,2 @@
+ALTER TABLE /*$wgDBprefix*/cw_wikis
+  ADD COLUMN wiki_tags VARCHAR(128) NOT NULL DEFAULT '' AFTER wiki_category;