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<?php
/*
*
* @copyright (c) 2012 animegame.eu
* @license http://www.gnu.org/licenses/gpl-3.0.html GNU General Public Licence
* @author hecht
*/
include_once(ROOT_PATH.'/include/sqlwrapper.inc.php');
include_once(ROOT_PATH.'/include/user.inc.php');
include_once(ROOT_PATH.'/include/parse.inc.php');
include_once(ROOT_PATH.'/include/messagefunctions.inc.php');
/**
* creates a chat room for a conversation!
* @param array $clan_ids the ids of clans that are allowed to read and write in this chatroom
* @param string $foreign_identifier something like "cf_12345" or "clan_1234"
* return identifier
*/
function createChatRoom(array $clan_ids, $foreign_identifier) {
db_query('INSERT INTO clan_chatrooms(foreign_id) values(\''.$foreign_identifier.'\')');
if(mysql_affected_rows() == 0) {
return 'Konnte den Clanchatroom nicht erstellen, da er schon exisitert!';
}
$chat_id = getClanChatId($foreign_identifier);
foreach ($clan_ids as $clan_id) {
db_query('INSERT INTO clan_chatroom_clans(clan_chat_id, clan_id) values(\''.$chat_id.'\', \''.$clan_id.'\')');
}
return $chat_id;
}
/**
* this method returns the clanChatId using the foreign identifier!!
* @param string $foreign_identifier
*/
function getClanChatId($foreign_identifier) {
$row = mysql_fetch_row(db_query('SELECT clan_chat_id FROM clan_chatrooms WHERE foreign_id = \''.$foreign_identifier.'\''));
return $row[0];
}
function checkAccessRights($user_id, $clan_chat_id) {
if($user_id == NULL) {
return false;
}
$qry = db_query('SELECT clan_chat_id FROM clan_chatroom_clans cc INNER JOIN user u ON cc.clan_id = u.clan WHERE cc.clan_chat_id = ' . $clan_chat_id . ' and u.id = ' .$user_id);
if(!$qry) {
return false;
}
return mysql_num_rows($qry);
}
function sendClanChatMessage($user_id, $clan_chat_id, $message) {
$message = addslashes($message);
if(checkAccessRights($user_id, $clan_chat_id)) {
$user = getUser($user_id);
while(true) {
$qry = db_query('SELECT IFNULL(max(msg_id),0) + 1 FROM clan_chatroom_messages WHERE clan_chat_id = ' .$clan_chat_id);
if(!qry) {
return 'COULD NOT EXECUTE A QUERY!!!';
}
$row = mysql_fetch_row($qry);
$res = db_query('INSERT INTO clan_chatroom_messages(clan_chat_id, user_id, message, msg_id) values('.$clan_chat_id.', '.$user_id.', \''.$message.'\', '. $row[0] .')');
if(mysql_affected_rows() > 0) {
break;
}
}
}
return NULL;
}
function getClanChatMessages($requester, $clan_chat_id, $count, $asc, $msg_id = NULL) {
if(!is_numeric($count)) {
$count = 10;
}
if(checkAccessRights($requester, $clan_chat_id)) {
$result['chat_rows'] = array();
$sql = 'SELECT * FROM clan_chatroom_messages WHERE clan_chat_id = ' . $clan_chat_id;
if(is_numeric($msg_id)) {
$sql .= ' AND msg_id > ' .$msg_id;
} else {
$max_id_row = mysql_fetch_row(mysql_query('Select max(msg_id) from clan_chatroom_messages WHERE clan_chat_id = ' . $clan_chat_id));
$sql .= ' AND msg_id > ' . ($max_id_row[0] - $count);
}
$sql .= ' ORDER BY msg_id ASC LIMIT ' .$count;
$qry = db_query($sql);
while($row = mysql_fetch_assoc($qry)) {
$result['max_id'] = max($result['max_id'], $row['msg_id']);
$message = stripslashes(encodeNoHTMLWithBB(stripslashes($row['message'])));
$result['chat_rows'][] = formatTimestampShortYear($row['zeit']) . ' ' . generateUserNameByID($row['user_id']) . ': ' . $message;
}
if(!$asc) {
$copy = array();
for ($i=0; $i<count($result['chat_rows']); $i++) {
$copy[$i] = $result['chat_rows'][count($result['chat_rows']) - ($i + 1)];
}
$result['chat_rows'] = $copy;
}
return $result;
}
return NULL;
}