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