agng/ag/include/clan.inc.php

<?php
/*
 *
 * @copyright (c) 2011 animegame.eu
 * @license http://www.gnu.org/licenses/gpl-3.0.html GNU General Public Licence
 *
 */


$GLOBALS['clan_buffered_instances'] = array ();


function getClan($clanid, $buffer = TRUE) {
	if(!is_numeric($clanid)) { return NULL; }
	if(buffer && isset($GLOBALS['clan_buffered_instances'][$clanid])) {
		return $GLOBALS['clan_buffered_instances'][$clanid]; // okay, we already buffered the clan :)
	}

	$clan = mysql_fetch_assoc(mysql_query('SELECT * FROM clan WHERE id = '. $clanid));

	// now calculate the member, max_exp fields :D

	if($clan) {
		$GLOBALS['clan_buffered_instances'][$clanid] = $clan;
		return $clan;
	} else {
		return NULL;
	}
}


function getClanMembersCount($clanid) {
	if(!is_numeric($clanid)) { return NULL; }
	$row = mysql_fetch_assoc(mysql_query('SELECT count(id) as amount FROM user WHERE clan = '. $clanid));
	return $row['amount'];
}

function getClanMemberBonusByLevel($level) {
	switch($level) {
		case 1:
		case 2:
		case 3:
			return 0;
		case 4:
		case 5:
			return 1;
		case 6:
		case 7:
			return 2;
		case 8:
		case 9:
			return 3;
		case 10:
		case 11:
			return 4;
		case 12:
		case 13:
			return 5;
		case 14:
			return 6;
		case 15:
			return 7;
		case 16:
			return 8;
		case 17:
			return 9;
		default:
			return 10;
	}
	}

function getMaximumMembers($clanid) {
	// okay, this is a more tricky calculation as this requires the information (are leader and co_leader the same person??)
	// the second parameter is the clan level. Each 2 levels (where the maximum clan level is about 20) one more member can
        // be invited :)

	$clan = getClan($clanid);
	if($clan === NULL){ return 0; }	
	$base = 10;
	$members_by_level = getClanMemberBonusByLevel($clan['level']);
	$malus = 0;
	if($clan['co_leader'] == NULL || $clan['co_leader'] == $clan['leader']) {
		$malus = 1;
	}
	return $base + $members_by_level - $malus;
}

function getRequiredClanExp($level) {
	return pow(2, $level) * 10;
}


function revokeInvitation($user, $userid, $clan = NULL){
	if($user['clan'] === NULL) {
		return 'Du bist in keinem Clan!';
	}

	if($clan === NULL) {
		$qry = mysql_query('Select * from clan where id = ' . $user['clan']);
		$clan = mysql_fetch_assoc($qry);
	}

	if($clan['leader'] != $user['id'] && $clan['co_leader'] != $user['id']){
		return 'Nur der Leader, bzw. der Co-Leader kann Einladungen zur&uuml;ckziehen!!';
	}

	$sql = 'DELETE FROM user_clan_invitations WHERE clanid = '.$clan['id'].' AND userid = '.$userid;
	//	echo $sql . '<br>';
	mysql_query($sql);
	if(mysql_affected_rows() > 0){
		return NULL;
	} else{
		return 'Einladung konnte nicht zur&uuml;ckgezogen werden!';
	}
}

/**
 *
 * Enter description here ...
 * @param array $user the user that wants to invite
 * @param int $userid the id of the user that should be invited
 * @param array $clan the optional clan array (if available)
 */
function inviteUser(array $user, $userid, array $clan = NULL){
	if($user['clan'] === NULL) {
		return 'Du bist in keinem Clan!';
	}

	if($clan === NULL) {
		$qry = mysql_query('Select * from clan where id = ' . $user['clan']);
		$clan = mysql_fetch_assoc($qry);
	}

	if($clan['leader'] != $user['id'] && $clan['co_leader'] != $user['id']){
		return 'Nur der Leader, bzw. der Co-Leader kann neue Member einladen!';
	}

	$row = mysql_fetch_assoc(mysql_query('SELECT * FROM user where id = \''. $userid.'\''));
	if(!row) {
		return 'Fehler! Nutzer exisitiert nicht!!';
	}
	if($row['clan'] == $user['clan']){
		return 'Fehler! Nutzer ist schon in deinem Clan!';
	}

	$sql = 'INSERT INTO user_clan_invitations(userid, clanid, valid) values('.$userid.','.$user['clan'].',TIMESTAMPADD(DAY, 5, now()))';
	//		echo $sql.'<br>';
	mysql_query($sql);
	if(mysql_affected_rows() <= 0){ // Fehler?
		$sql = 'UPDATE user_clan_invitations SET valid = TIMESTAMPADD(DAY, 5, now()) where userid = '.$userid.' and clanid = '.$user['clan'];
		//			echo $sql.'<br>';
		mysql_query($sql);
		if(mysql_affected_rows() <= 0){ // Fehler?
			return 'Fehler! Konnte Nutzer nicht einladen!';
		} else{
			sendMessage($user['nickname'], $userid, 'Einladung in Clan', 'Die Einladung des Clans '.$clan['clanname'].' wurde aufgefrischt! Klicke auf "Clan beitreten" um die Einladung anzunehmen!');
			return NULL;
		}
	} else{
		sendMessage($user['nickname'], $userid, 'Einladung in Clan', 'Du wurdest eingeladen dich dem Clan '.$clan['clanname'].' anzuschliessen! Klicke auf "Clan beitreten" um die Einladung anzunehmen!');
		return NULL;
	}
}



function challengeClan(array $user, array $charids, $clanid, $validTime = 24) {
	if($clan === NULL) {
		$qry = mysql_query('Select * from clan where id = ' . $user['clan']);
		$clan = mysql_fetch_assoc($qry);
	}

	if($clan['leader'] != $user['id'] && $clan['co_leader'] != $user['id']){
		return 'Nur der Leader, bzw. der Co-Leader kann andere Clans herausfordern!!';
	}
	// TODO: Further implementation
	return NULL;
}

function acceptChallenge(array $user, array $charids) {
	if($clan === NULL) {
		$qry = mysql_query('Select * from clan where id = ' . $user['clan']);
		$clan = mysql_fetch_assoc($qry);
	}

	if($clan['leader'] != $user['id'] && $clan['co_leader'] != $user['id']){
		return 'Nur der Leader, bzw. der Co-Leader kann herausforderungen anderer Clans annehmen!!';
	}
	// TODO: Further implementation
	return NULL;

}

?>