/**
* Gets the CSS classes (space-separated) for the Vacancies TD.
*
* @param tx_seminars_seminar $seminar the current seminar object
*
* @return string class attribute value filled with a list a space-separated CSS classes
*/
public function getVacanciesClasses(tx_seminars_seminar $seminar)
{
if (!$seminar->needsRegistration() || !$seminar->hasDate() && !$this->configGetter->getConfValueBoolean('allowRegistrationForEventsWithoutDate')) {
return '';
}
$classes = array();
if ($seminar->hasDate() && $seminar->hasStarted()) {
$classes[] = 'event-begin-date-over';
}
if ($seminar->hasVacancies()) {
$classes[] = 'vacancies-available';
if ($seminar->hasUnlimitedVacancies()) {
$classes[] = 'vacancies-unlimited';
} else {
$classes[] = 'vacancies-' . $seminar->getVacancies();
}
} else {
$classes[] = 'vacancies-0';
if ($seminar->hasRegistrationQueue()) {
$classes[] = 'has-registration-queue';
}
}
// We add this class in addition to the number of vacancies so that
// user stylesheets still can use the number of vacancies even for
// events for which the registration deadline is over.
if ($seminar->hasDate() && $seminar->isRegistrationDeadlineOver()) {
$classes[] = 'registration-deadline-over';
}
$prefixedClasses = array_map(array($this, 'pi_getClassName'), $classes);
return ' ' . implode(' ', $prefixedClasses);
}
/**
* Checks whether a registration with a given number of seats could be
* created, ie. an actual number is given and there are at least that many vacancies.
*
* @param tx_seminars_seminar $seminar the seminar object (that's the seminar we would like to register for)
* @param int|string $numberOfSeats the number of seats to check (should be an integer, but we can't be sure of this)
*
* @return bool TRUE if there are at least that many vacancies, FALSE otherwise
*/
public function canRegisterSeats(tx_seminars_seminar $seminar, $numberOfSeats)
{
$numberOfSeats = trim($numberOfSeats);
// If no number of seats is given, ie. the user has not entered anything
// or the field is not shown at all, assume 1.
if ($numberOfSeats == '' || $numberOfSeats == '0') {
$numberOfSeats = '1';
}
$numberOfSeatsInt = (int) $numberOfSeats;
// Check whether we have a valid number
if ($numberOfSeats == strval($numberOfSeatsInt)) {
if ($seminar->hasUnlimitedVacancies()) {
$result = TRUE;
} else {
$result = $seminar->hasRegistrationQueue() || $seminar->getVacancies() >= $numberOfSeatsInt;
}
} else {
$result = FALSE;
}
return $result;
}
