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|
<?php
use Engelsystem\Database\DB;
/**
* Returns Message id array
*
* @return array
*/
function Message_ids()
{
return DB::select('SELECT `id` FROM `Messages`');
}
/**
* Returns message by id.
*
* @param int $message_id message ID
* @return array|null
*/
function Message($message_id)
{
$message_source = DB::select('SELECT * FROM `Messages` WHERE `id`=? LIMIT 1', [$message_id]);
if (empty($message_source)) {
return null;
}
return array_shift($message_source);
}
/**
* TODO: use validation functions, return new message id
* TODO: global $user con not be used in model!
* send message
*
* @param int $receiver_user_id User ID of Reciever
* @param string $text Text of Message
* @return bool
*/
function Message_send($receiver_user_id, $text)
{
global $user;
$text = preg_replace("/([^\p{L}\p{P}\p{Z}\p{N}\n]{1,})/ui", '', strip_tags($text));
$receiver_user_id = preg_replace('/([^0-9]{1,})/ui', '', strip_tags($receiver_user_id));
if (
($text != '' && is_numeric($receiver_user_id))
&& count(DB::select('
SELECT `UID`
FROM `User`
WHERE `UID` = ?
AND NOT `UID` = ?
LIMIT 1
', [$receiver_user_id, $user['UID']])) > 0
) {
return DB::insert('
INSERT INTO `Messages` (`Datum`, `SUID`, `RUID`, `Text`)
VALUES(?, ?, ?, ?)
',
[
time(),
$user['UID'],
$receiver_user_id,
$text
]
);
}
return false;
}
|
