/**
* Returns the repetition Ical rule.
*
* @return string|null
*/
public function getRepetitionICalRrule()
{
if (!($repetitionId = $this->getRepetitionId())) {
return null;
} else {
$repetition = PcRepetitionPeer::retrieveByPk($repetitionId);
if (!$repetition->needsParam()) {
return $repetition->getIcalRrule();
} else {
$repetitionParam = $this->getRepetitionParam();
if ($repetition->getSpecial() != 'selected_wkdays') {
return str_replace('X', $repetitionParam, $repetition->getIcalRrule());
} else {
$weekdaysSet = DateFormat::fromIntegerToWeekdaysSetForRepetition($repetitionParam);
$selectedWeekdays = array();
foreach ($weekdaysSet as $k => $v) {
if ($v) {
$selectedWeekdays[] = PcUtils::fromAbbreviationToIcalAbbreviation($k);
}
}
$weekdays = implode(",", $selectedWeekdays);
return str_replace('X', $weekdays, $repetition->getIcalRrule());
}
}
}
}
