private function allMissionsInCityReadyForNextLevel($nextLevel, $cityID, $userID)
{
$cityMissions = Mission::getMissionsInCity($cityID);
$numCityMissions = count($cityMissions);
$query = "SELECT * from users_missions WHERE user_id=? AND curr_rank=? AND (";
$missionConditions = array();
$values = array();
array_push($values, $userID);
array_push($values, $nextLevel);
foreach ($cityMissions as $mission) {
array_push($missionConditions, "mission_id=?");
$missionID = $mission->getID();
array_push($values, $missionID);
}
$query .= getArrayInString($missionConditions, ' OR ') . ")";
$usersMissionsReadyInCity = ConnectionFactory::SelectRowsAsClasses($query, $values, __CLASS__);
return count($usersMissionsReadyInCity) >= $numCityMissions;
}
