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message.php
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<?php
/**
* Message class
*
* Zed. The immensity of stars. The HyperShip. The people.
*
* (c) 2010, Dereckson, some rights reserved.
* Released under BSD license.
*
* 0.1 2010-01-28 01:47 Autogenerated by Pluton Scaffolding
*
* @package Zed
* @subpackage Model
* @author Sébastien Santoro aka Dereckson <dereckson@espace-win.org>
* @copyright 2010 Sébastien Santoro aka Dereckson
* @license http://www.opensource.org/licenses/bsd-license.php BSD
* @version 0.1
* @link http://scherzo.dereckson.be/doc/zed
* @link http://zed.dereckson.be/
* @filesource
*/
/**
* Message class
*
* This class maps the messages table.
*
* It also provides a static method to get perso's messages.
*/
class Message {
public $id;
public $date;
public $from;
public $to;
public $text;
public $flag;
/**
* Initializes a new instance
*
* @param int $id the primary key
*/
function __construct ($id = null) {
if ($id) {
$this->id = $id;
$this->load_from_database();
} else {
$this->date = time();
$this->flag = 0; //unread
}
}
/**
* Loads the object Message (ie fill the properties) from the $_POST array
*/
function load_from_form () {
if (array_key_exists('date', $_POST)) $this->date = $_POST['date'];
if (array_key_exists('from', $_POST)) $this->from = $_POST['from'];
if (array_key_exists('to', $_POST)) $this->to = $_POST['to'];
if (array_key_exists('text', $_POST)) $this->text = $_POST['text'];
if (array_key_exists('flag', $_POST)) $this->flag = $_POST['flag'];
}
/**
* Loads the object Message (ie fill the properties) from the database
*/
function load_from_database () {
global $db;
$sql = "SELECT * FROM messages WHERE message_id = '" . $this->id . "'";
if ( !($result = $db->sql_query($sql)) ) message_die(SQL_ERROR, "Unable to query messages", '', __LINE__, __FILE__, $sql);
if (!$row = $db->sql_fetchrow($result)) {
$this->lastError = "Message unkwown: " . $this->id;
return false;
}
$this->date = $row['message_date'];
$this->from = $row['message_from'];
$this->to = $row['message_to'];
$this->text = $row['message_text'];
$this->flag = $row['message_flag'];
return true;
}
/**
* Saves to database
*/
function save_to_database () {
global $db;
$id = $this->id ? "'" . $db->sql_escape($this->id) . "'" : 'NULL';
$date = $db->sql_escape($this->date);
$from = $db->sql_escape($this->from);
$to = $db->sql_escape($this->to);
$text = $db->sql_escape($this->text);
$flag = $db->sql_escape($this->flag);
//Updates or inserts
$sql = "REPLACE INTO messages (`message_id`, `message_date`, `message_from`, `message_to`, `message_text`, `message_flag`) VALUES ($id, '$date', '$from', '$to', '$text', '$flag')";
if (!$db->sql_query($sql)) {
message_die(SQL_ERROR, "Unable to save", '', __LINE__, __FILE__, $sql);
}
if (!$id) {
//Gets new record id value
$this->id = $db->sql_nextid();
}
}
/**
* Sends the message
*/
function send () {
$this->save_to_database();
//TODO: triggers new message notifier
}
/**
* Deletes the message
*/
function delete () {
//A message is deleted if its flag value is 2
if ($this->flag != 2) {
$this->flag = 2;
$this->save_to_database();
}
}
/**
* Gets messages from the specified perso
*/
static function get_messages ($perso_id, $mark_as_read = true, &$countNewMessages = 0) {
global $db;
$sql = "SELECT message_id FROM " . TABLE_MESSAGES . " WHERE message_to = " . $db->sql_escape($perso_id) . " AND message_flag < 2 ORDER BY message_id DESC";
if (!$result = $db->sql_query($sql)) {
message_die(SQL_ERROR, "Unable to get messages", '', __LINE__, __FILE__, $sql);
}
while ($row = $db->sql_fetchrow($result)) {
$message = new Message($row[0]);
$messages[] = $message;
$ids[] = $message->id;
if ($message->flag == 0) {
//New message
$countNewMessages++;
}
}
if ($mark_as_read && count($ids)) {
$ids = join($ids, ', ');
$sql = "UPDATE " . TABLE_MESSAGES . " SET message_flag = '1' WHERE message_id IN ($ids)";
$db->sql_query($sql);
}
return $messages;
}
}
?>

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