<?php
// webtrees: Web based Family History software
// Copyright (C) 2015 Greg Roach
//
// 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

/**
 * Class WT_FlashMessages - Flash messages allow us to generate messages
 * in one context, and display them in another.
 */
class WT_FlashMessages {
	/**
	 * Add a new message to the session storage.
	 *
	 * @param string $text
	 * @param string $status "success", "info", "warning" or "danger"
	 */
	public static function addMessage($text, $status = 'info') {
		$message         = new stdClass;
		$message->text   = $text;
		$message->status = $status;
		$flash_messenger = Zend_Controller_Action_HelperBroker::getStaticHelper('FlashMessenger');

		$flash_messenger->addMessage($message);
	}

	/**
	 * Get the current messages, and remove them from session storage.
	 *
	 * @return string[]
	 */
	public static function getMessages() {
		$flash_messenger = Zend_Controller_Action_HelperBroker::getStaticHelper('FlashMessenger');

		$messages = array();

		// Get messages from previous requests
		foreach ($flash_messenger->getMessages() as $message) {
			$messages[] = $message;
		}

		// Get messages from the current request
		foreach ($flash_messenger->getCurrentMessages() as $message) {
			$messages[] = $message;
		}
		$flash_messenger->clearCurrentMessages();

		return $messages;
	}
}