+global\Func_CalendarBackend_Caldav::expandPeriods()

Complexity

Conditions	35
Paths	470

Size

Total Lines

147

Duplication

Lines	62
Ratio	42.18 %

Code Coverage

Tests	24
CRAP Score	500.0843

Importance

Changes

0

<?php
	protected function expandPeriods($icalEventData, bab_CalendarEventCollection $collection = null, $expandRecurrence = true, $expandStart = null, $expandEnd = null)
	{
		$periods = array();
		$eventsData = array();
		preg_match_all('/BEGIN:VEVENT(.*)END:VEVENT/Us', $icalEventData, $eventsData);

		if ($expandRecurrence) {
			// If recurrent events should be expanded and no expand range has been specified, we
			// limit to +/- 5 years.
			if (!isset($expandStart)) {

This code seems to be duplicated across your project.

				require_once $GLOBALS['babInstallPath'] . 'utilit/dateTime.php';
				$expandStart = BAB_DateTime::now();
				$expandStart->add(-5, BAB_DATETIME_YEAR);
				$expandStart = $expandStart->getICal();
			}
			if (!isset($expandEnd)) {

This code seems to be duplicated across your project.

				require_once $GLOBALS['babInstallPath'] . 'utilit/dateTime.php';
				$expandEnd = BAB_DateTime::now();
				$expandEnd->add(5, BAB_DATETIME_YEAR);
				$expandEnd = $expandEnd->getICal();
			}
		}

		foreach ($eventsData[1] as $eventData) {
			

			$period = $this->CalendarPeriod();

			try {
				$period->fromIcal($eventData);
			}
			catch(Exception $e)
			{
				// bab_debug($e->getMessage(), DBG_ERROR, 'caldav');
				continue;
			}

			if ($expandRecurrence
				&& ($period->getProperty('RRULE') !== '' || $period->getProperty('RDATE') !== '')) {

				// If the period has a recurrence rule, we create as much periods as necessary.

				require_once dirname(__FILE__) . '/caldav/RRule.php';

				$recurrenceDates = array();

				// First we use the RDATE and RRULE parameters to determine the list
				// of dates.

				$icalStart = new LibCaldav_iCalDate($period->getProperty('DTSTART'));
				$icalEnd = new LibCaldav_iCalDate($period->getProperty('DTEND'));
				$icalDuration = $icalStart->DateDifference($icalEnd);

				if ($period->getProperty('RDATE') !== '') {

This code seems to be duplicated across your project.

					$rdates = $this->explodeRules($period->getProperty('RDATE'));
					foreach ($rdates as $rdate) {
						if ($rdate >= $expandStart && $rdate < $expandEnd) {
							$recurrenceDates[$rdate] = $rdate;
						}
					}
				}

				if ($period->getProperty('RRULE') !== '') {

This code seems to be duplicated across your project.

					$rrule = new RRule($icalStart, $period->getProperty('RRULE'));

					// We add an element to $recurrenceDates for each date defined by the recurrence rule.
					while (($dtStart = $rrule->GetNext()) && ($dtStart->_text < $expandEnd)) {
						if ($dtStart->_text >= $expandStart) {
							$recurrenceDates[$dtStart->_text] = $dtStart->_text;
						}
					}
				}

				// Now we use EXDATE and EXRULE parameters to determine a list
				// of date excluded from the recurrence rule.

				if ($period->getProperty('EXDATE') !== '') {

This code seems to be duplicated across your project.

					$exdates = $this->explodeRules($period->getProperty('EXDATE'));
					foreach ($exdates as $exdate) {
						if ($exdate >= $expandStart && $exdate < $expandEnd) {
							unset($recurrenceDates[$exdate]);
						}
					}
				}

				if ($period->getProperty('EXRULE') !== '') {

This code seems to be duplicated across your project.

					$exrule = new RRule($icalStart, $period->getProperty('EXRULE'));

					// We remove an element from $recurrenceDates for each date defined by the recurrence rule.
					while (($dtStart = $exrule->GetNext()) && ($dtStart->_text < $expandEnd)) {
						if ($dtStart->_text >= $expandStart) {
							unset($recurrenceDates[$dtStart->_text]);
						}
					}
				}

				// Finally we create a period for each date remaining in $recurrenceDates.

				foreach ($recurrenceDates as $startDate) {
					$dtStart = new LibCaldav_iCalDate($startDate);
					$dtEnd = new LibCaldav_iCalDate($dtStart);
					$dtEnd->addDuration($icalDuration);
					
					// en utilisant un clone de $period c'est probablement plus rapide
					// mais il semble que le lien avec la collection soit casse, cela declanche un probleme dans bab_CalAttendeeBackend::getRealAttendee()
					// $date_period = clone $period;
					$date_period = $this->CalendarPeriod();
					$date_period->fromIcal($eventData);
					
					$date_period->setDates(BAB_DateTime::fromICal($dtStart->_text), BAB_DateTime::fromICal($dtEnd->_text));

It seems like \BAB_DateTime::fromICal($dtStart->_text) can be null; however, setDates() does not accept null, maybe add an additional type check?

It seems like \BAB_DateTime::fromICal($dtEnd->_text) can be null; however, setDates() does not accept null, maybe add an additional type check?

					if (isset($collection)) {

This code seems to be duplicated across your project.

						$collection->addPeriod($date_period);
						$relations = $date_period->getRelations('PARENT');
						if (count($relations) === 0) {
							$date_period->addRelation('PARENT', $collection->getCalendar());
						}
					}
					$periods[$date_period->getProperty('DTSTART')] = $date_period;
				}


			} else {

				if (isset($collection)) {

This code seems to be duplicated across your project.

					$collection->addPeriod($period);
					$relations = $period->getRelations('PARENT');
					if (count($relations) === 0) {
						$period->addRelation('PARENT', $collection->getCalendar());
					}
				}
				if (!$expandRecurrence || ($period->getProperty('DTSTART') < $expandEnd && $period->getProperty('DTEND') > $expandStart) ) {
					$recurrenceId = $period->getProperty('RECURRENCE-ID');
					if ($recurrenceId !== '') {
						if (is_array($recurrenceId)) {
							$recurrenceId = array_pop($recurrenceId);
						}
						$periods[$recurrenceId] = $period;
					} else {
						$periods[$period->getProperty('DTSTART')] = $period;
					}
				}

			}
		}

		return $periods;
	}