<?php
/************************************************************************
 * Mailer v0.2.1-FINAL                                Start: 26/06/2011 *
 * ===================                          Last change: 26/06/2011 *
 *                                                                      *
 * -------------------------------------------------------------------- *
 * File              : what-send_coupon.php                             *
 * -------------------------------------------------------------------- *
 * Short description : Send out coupons                                 *
 * -------------------------------------------------------------------- *
 * Kurzbeschreibung  : Versenden von Gutscheinen                        *
 * -------------------------------------------------------------------- *
 * $Revision::                                                        $ *
 * $Date::                                                            $ *
 * $Tag:: 0.2.1-FINAL                                                 $ *
 * $Author::                                                          $ *
 * -------------------------------------------------------------------- *
 * Copyright (c) 2003 - 2009 by Roland Haeder                           *
 * Copyright (c) 2009 - 2011 by Mailer Developer Team                   *
 * For more information visit: http://www.mxchange.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 St, Fifth Floor, Boston,               *
 * MA  02110-1301  USA                                                  *
 ************************************************************************/

// Some security stuff...
if ((!defined('__SECURITY')) || (!isAdmin())) {
	die();
} // END - if

// Add description as navigation point
addYouAreHereLink('admin', __FILE__);

// Is the form sent?
if (isFormSent()) {
	// Are all required fields set?
	if (!isPostRequestParameterSet('points')) {
		// Points not entered
		displayMessage('{--ADMIN_SEND_COUPON_POINTS_NOT_ENTERED--}');
	} elseif (!isPostRequestParameterSet('coupon_description')) {
		// Description not entered
		displayMessage('{--ADMIN_SEND_COUPON_DESCRIPTION_NOT_ENTERED--}');
	} else {
		// All fields are set, so we can start looking for users who wants to receive coupons
		$result = SQL_QUERY("SELECT `userid` FROM `{?_MYSQL_PREFIX?}_user_data` WHERE `status`='CONFIRMED' AND `receiving_coupons`='Y' ORDER BY `userid` ASC",
			__FILE__, __LINE__);

		// Do we have entries left?
		if (SQL_NUMROWS($result) > 0) {
			// Convert timestamp selections
			$expirationTime = time() + createEpocheTimeFromSelections('coupon_default_time', postRequestArray());

			// Insert coupon data
			SQL_QUERY_ESC("INSERT INTO `{?_MYSQL_PREFIX?}_coupon_data` (`coupon_expired`,`total_created`,`points`,`coupon_description`) VALUES ('{%%pipe,SQL_EPOCHE_TO_TIMESTAMP=%s%%}', %s,%s,'%s')",
				array(
					$expirationTime,
					SQL_NUMROWS($result),
					bigintval(postRequestParameter('points')),
					postRequestParameter('coupon_description')
				), __FILE__, __LINE__
			);

			// Get the insert id from the table
			$couponId = SQL_INSERTID();

			// Load entry
			while (list($userid) = SQL_FETCHROW($result)) {
				// By default no code is unique
				$isUnique = false;
				$couponCode = '';

				// Look for a unique id
				while (!$isUnique) {
					/**
					 * Add a coupon for this user, first we need to create a
					 * table-unique "id". The function generatePassword() can do
					 * this job for us but we want to exclude some characters.
					 */
					$couponCode = generatePassword(30, array('-','+','_','/','.'));

					// Is it really unique?
					$isUnique = (countSumTotalData($couponCode, 'user_coupons', 'id', 'coupon_code', true) == 0);
				} // END - while

				// The above loop should always set $couponCode, so we can now insert it
				SQL_QUERY_ESC("INSERT INTO `{?_MYSQL_PREFIX?}_user_coupons` (`coupon_id`,`userid`,`coupon_code`) VALUES (%s,%s,'%s')",
					array($couponId, $userid, $couponCode), __FILE__, __LINE__);

				// Fill array with all required data
				$content = array(
					'coupon_id'      => $couponId,
					'userid'         => $userid,
					'points'         => bigintval(postRequestParameter('points')),
					'coupon_code'    => $couponCode,
					'coupon_expired' => generateDateTime($expirationTime, '0')
				);

				// Load member email template
				$mailText = loadEmailTemplate('member_coupon_code', $content, $userid);

				// And deliver it
				sendEmail($userid, '{--MEMBER_COUPON_SUBJECT--}', $mailText);

				// Rember this user for the admin email
				$adminUserids[] = $userid;
			} // END - while

			// Prepare content for template
			$content = array(
				'userids'            => implode(',', $adminUserids),
				'userid_count'       => count($adminUserids),
				'coupon_id'          => $couponId,
				'points'             => bigintval(postRequestParameter('points')),
				'coupon_description' => postRequestParameter('coupon_description'),
				'coupon_expired'     => generateDateTime($expirationTime, '0')
			);

			// Send admin notification
			sendAdminNotification('{--ADMIN_COUPON_SUBJECT--}', 'admin_coupon_code', $content);

			// Coupon has been sent
			displayMessage('{--ADMIN_SEND_COUPON_DONE--}');
		} else {
			// No user was found
			displayMessage('{--ADMIN_SEND_COUPON_USER_404--}');
		}

		// Free result
		SQL_FREERESULT($result);
	}
} else {
	// Prepare some template data
	$content['coupon_default_time_selection'] = createConfigurationTimeSelections('coupon_default_time', 'WDh');

	// Load template
	loadTemplate('admin_send_coupon', false, $content);
}

// [EOF]
?>