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