/**
* Sort a list of sessions.
*
* @param SessionModel $a
* @param SessionModel $b
* @return int
*/
protected function sortSessions(SessionModel $a, SessionModel $b)
{
// Start time (asc)
if (($start = $a->getStartTime('U') - $b->getStartTime('U')) !== 0) {
return $start;
}
// End time (desc)
if (($end = $b->getEndTime('U') - $a->getEndTime('U')) !== 0) {
return $end;
}
// Society (asc)
$societyMap = [1 => [], 2 => ['ASMBS'], 3 => ['TOS'], 4 => ['ASMBS', 'TOS']];
$aSocieties = $a->getSocieties('name');
$bSocieties = $b->getSocieties('name');
sort($aSocieties);
sort($bSocieties);
$aValue = (int) array_search($aSocieties, $societyMap);
$bValue = (int) array_search($bSocieties, $societyMap);
if (($societyCmp = $aValue - $bValue) !== 0) {
return $societyCmp;
}
// Title (asc)
return strcasecmp($a->getTitle(), $b->getTitle());
}
