<?php
/************************************************************************
 * Mailer v0.2.1-FINAL                                Start: 10/08/2005 *
 * ===================                          Last change: 10/08/2005 *
 *                                                                      *
 * -------------------------------------------------------------------- *
 * File              : mediadata_functions.php                          *
 * -------------------------------------------------------------------- *
 * Short description : Functions for the mediadata extension            *
 * -------------------------------------------------------------------- *
 * Kurzbeschreibung  : Funktionen fuer die verbesserten Mediendaten     *
 * -------------------------------------------------------------------- *
 * $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')) {
	die();
} // END - if

// Update an entry
function updateMediadataEntry ($keys_array, $mode, $value) {
	// Default is nothing added/updated
	$added = null;

	// Do we have entries?
	if (is_array($keys_array) && ($value > 0)) {
		// Is an array so we can run it through
		foreach ($keys_array as $key) {
			// First check if it does exist
			$result_media = SQL_QUERY_ESC("SELECT
	`media_key`
FROM
	`{?_MYSQL_PREFIX?}_mediadata`
WHERE
	`media_key` = '%s'
LIMIT 1", array($key), __FUNCTION__, __LINE__);
			if (SQL_NUMROWS($result_media) == 0) {
				// Not found so we create it (mode will be ignored here!)
				SQL_QUERY_ESC("INSERT INTO `{?_MYSQL_PREFIX?}_mediadata` (`media_key`, `media_value`) VALUES ('%s', '%s')",
					array($key, $value), __FUNCTION__, __LINE__);
			} else {
				// Update entry
				switch ($mode) {
					case 'add': $mode = '+'; break;
					case 'sub': $mode = '-'; break;
				} // END - switch

				if ($mode == 'init') {
					// Initialize entry
					SQL_QUERY_ESC("UPDATE `{?_MYSQL_PREFIX?}_mediadata` SET `media_value`=%s WHERE `media_key`='%s' LIMIT 1",
						array($value, $key), __FUNCTION__, __LINE__);
				} else {
					// Update entry
					SQL_QUERY_ESC("UPDATE `{?_MYSQL_PREFIX?}_mediadata` SET `media_value`=`media_value`".$mode."%s WHERE `media_key`='%s' LIMIT 1",
						array($value, $key), __FUNCTION__, __LINE__);
				}
			}

			// Check affected rows
			if (is_null($added)) {
				//* DEBUG: */ debugOutput(__FUNCTION__ . '(<font color="#0000aa">' . __LINE__ . '</font>):added='.intval($added));
				$added = (!SQL_HASZEROAFFECTED());
				//* DEBUG: */ debugOutput(__FUNCTION__ . '(<font color="#0000aa">' . __LINE__ . '</font>):added='.intval($added));
			} else {
				//* DEBUG: */ debugOutput(__FUNCTION__ . '(<font color="#0000aa">' . __LINE__ . '</font>):added='.intval($added));
				$added = ($added && (!SQL_HASZEROAFFECTED()));
				//* DEBUG: */ debugOutput(__FUNCTION__ . '(<font color="#0000aa">' . __LINE__ . '</font>):added='.intval($added));
			}
		} // END - foreach
	} // END - if

	// Zero entries are always added
	if ($value == 0) {
		// Is zero value, so we need to set $added here to avoid wrong false result
		$added = true;
	} // END - if

	// Return result
	return $added;
}

// Getter for entry
function getMediadataEntry ($key) {
	// Return nothing by default
	$value = '';

	// Check for entry
	$result = SQL_QUERY_ESC("SELECT `media_value` FROM `{?_MYSQL_PREFIX?}_mediadata` WHERE `media_key`='%s' LIMIT 1",
		array($key), __FUNCTION__, __LINE__);

	// Do we have one?
	if (SQL_NUMROWS($result) == 1) {
		// Load data
		list($value) = SQL_FETCHROW($result);
	} // END - if

	// Return data
	return $value;
}

// [EOF]
?>