/**
* Returns a status code that determines the possible actions of a user towards the event
* -1: doesn't have permissions
* 0: has permissions, can join
* 1: has permissions, cannot join because the event is full
* 2: is participating
* 3: has permissions, but has to wait untill allowed to participate
* 4: has permissions, but has already signed in on another event on this topic
* @param type $userID
* @param type $eventID
*/
function getParticipantsStatus($userID, $eventID)
{
if (EventDatabaseManager::isEventAvailable($userID, $eventID)) {
if (!EventDatabaseManager::isSignedIn($userID, $eventID)) {
if (!EventDatabaseManager::isSignedForEventsTopic($userID, $eventID)) {
if (!EventDatabaseManager::hasToWait($userID, $eventID)) {
if (!EventDatabaseManager::isEventFull($eventID)) {
return 0;
} else {
return 1;
}
} else {
return 3;
}
} else {
return 4;
}
} else {
return 2;
}
} else {
return -1;
}
}
/**
* Returns TRUE if the user is allowed to participate in the event
* A user can sign in for the event if:
* - an event is generally available to him/her (see getAvailableEventsForUser)
* - an event is either of elearning type, or less than the maximum allowed number of participants have already signed in
* - a user's last event on this topic was long ago enough
*
* @param int $userID
* @param int $eventID
* @return boolean
*/
public static function canParticipate($userID, $eventID)
{
if (EventDatabaseManager::isEventAvailable($userID, $eventID)) {
if (!EventDatabaseManager::isEventFull($eventID)) {
if (!EventDatabaseManager::hasToWait($userID, $eventID)) {
return !EventDatabaseManager::isSignedForEventsTopic($userID, $eventID);
}
}
}
return false;
}