1 files changed, 100 insertions, 0 deletions
diff --git a/includes/actions/PurgeAction.php b/includes/actions/PurgeAction.php
new file mode 100644
index 00000000..29cbf3ae
--- /dev/null
+++ b/includes/actions/PurgeAction.php
@@ -0,0 +1,100 @@
+<?php
+/**
+ * Formats credits for articles
+ *
+ * Copyright 2004, Evan Prodromou <evan@wikitravel.org>.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ *
+ * @file
+ * @ingroup Actions
+ * @author <evan@wikitravel.org>
+ */
+
+class PurgeAction extends FormAction {
+
+	private $redirectParams;
+
+	public function getName() {
+		return 'purge';
+	}
+
+	public function getRestriction() {
+		return null;
+	}
+
+	public function requiresUnblock() {
+		return false;
+	}
+
+	public function getDescription() {
+		return '';
+	}
+
+	/**
+	 * Just get an empty form with a single submit button
+	 * @return array
+	 */
+	protected function getFormFields() {
+		return array();
+	}
+
+	public function onSubmit( $data ) {
+		$this->page->doPurge();
+		return true;
+	}
+
+	/**
+	 * purge is slightly weird because it can be either formed or formless depending
+	 * on user permissions
+	 */
+	public function show() {
+		$this->setHeaders();
+
+		// This will throw exceptions if there's a problem
+		$this->checkCanExecute( $this->getUser() );
+
+		if ( $this->getUser()->isAllowed( 'purge' ) ) {
+			$this->redirectParams = wfArrayToCGI( array_diff_key(
+				$this->getRequest()->getQueryValues(),
+				array( 'title' => null, 'action' => null )
+			) );
+			$this->onSubmit( array() );
+			$this->onSuccess();
+		} else {
+			$this->redirectParams = $this->getRequest()->getVal( 'redirectparams', '' );
+			$form = $this->getForm();
+			if ( $form->show() ) {
+				$this->onSuccess();
+			}
+		}
+	}
+
+	protected function alterForm( HTMLForm $form ) {
+		$form->setSubmitText( wfMsg( 'confirm_purge_button' ) );
+	}
+
+	protected function preText() {
+		return wfMessage( 'confirm-purge-top' )->parse();
+	}
+
+	protected function postText() {
+		return wfMessage( 'confirm-purge-bottom' )->parse();
+	}
+
+	public function onSuccess() {
+		$this->getOutput()->redirect( $this->getTitle()->getFullUrl( $this->redirectParams ) );
+	}
+}