public function testIsOnSameDayOfYear()
{
$ts1 = 1424520000;
// Saturday, 21-Feb-15 12:00:00 UTC
$ts2 = 1456056000;
// Sunday, 21-Feb-16 12:00:00 UTC
$ts3 = 1487592000;
// Monday, 20-Feb-17 12:00:00 UTC
$this->assertTrue($this->util->isOnSameDayOfYear($ts1, $ts2));
$this->assertFalse($this->util->isOnSameDayOfYear($ts1, $ts3));
}
/**
* Calculates the end (or start) timestamp of the last event in a sequence of occurrences
*
* @param int $occurrences Max number of occurrences
* @param int $from_timestamp Initial time to calculate from (defaults to event start time)
* @param bool $at_event_end If true, will return the timestamp of the event end, otherwise event start
* @return int
*/
public function calculateEndAfterTimestamp($occurrences = 1, $from_timestamp = null, $at_event_end = true)
{
$occurrences = (int) $occurrences;
$start_timestamp = $this->getStartTimestamp();
$start_day = $start_timestamp;
$test_day = $start_timestamp > $from_timestamp ? $start_timestamp : $from_timestamp;
while ($occurrences > 0) {
$shows = false;
$offset_on_test_day = Util::getOffset($test_day, Util::UTC, $this->getTimezone());
// next increment
$next_test_day = $test_day + Util::SECONDS_IN_A_DAY;
switch ($this->repeat_frequency) {
default:
$occurrences = 0;
break;
case Util::FREQUENCY_DAILY:
$shows = true;
break;
case Util::FREQUENCY_WEEKDAY:
$repeat_weekly_days = array(Util::SATURDAY, Util::SUNDAY);
foreach ($repeat_weekly_days as $key => $day) {
$repeat_weekly_days[$key] = Util::getDayOfWeek(strtotime($day, $test_day) - $offset_on_test_day);
}
$D = Util::getDayOfWeek($test_day);
$shows = !in_array($D, $repeat_weekly_days);
break;
case Util::FREQUENCY_WEEKDAY_ODD:
$repeat_weekly_days = array(Util::MONDAY, Util::WEDNESDAY, Util::FRIDAY);
foreach ($repeat_weekly_days as $key => $day) {
$repeat_weekly_days[$key] = Util::getDayOfWeek(strtotime($day, $test_day) - $offset_on_test_day);
}
$D = Util::getDayOfWeek($test_day);
$shows = in_array($D, $repeat_weekly_days);
break;
case Util::FREQUENCY_WEEKDAY_EVEN:
$repeat_weekly_days = array(Util::TUESDAY, Util::THURSDAY);
foreach ($repeat_weekly_days as $key => $day) {
$repeat_weekly_days[$key] = Util::getDayOfWeek(strtotime($day, $test_day) - $offset_on_test_day);
}
$D = Util::getDayOfWeek($test_day);
$shows = in_array($D, $repeat_weekly_days);
break;
case Util::FREQUENCY_WEEKLY:
$repeat_weekly_days = $this->repeat_weekly_days;
if (!$repeat_weekly_days) {
$repeat_weekly_days = Util::getDayOfWeek($this->getStartTimestamp());
}
if (!is_array($repeat_weekly_days)) {
$repeat_weekly_days = array($repeat_weekly_days);
}
$D = Util::getDayOfWeek($test_day);
foreach ($repeat_weekly_days as $key => $day) {
// use offsets
// Monday in Sydney can still be Sunday at UTC
$repeat_weekly_days[$key] = Util::getDayOfWeek(strtotime($day, $test_day) - $offset_on_test_day);
}
$shows = in_array($D, $repeat_weekly_days);
break;
case Util::FREQUENCY_MONTHLY:
if ($this->repeat_monthly_by == Util::REPEAT_MONTHLY_BY_DAY_OF_WEEK) {
$shows = Util::isOnSameWeekDayOfMonth($test_day, $this->getStartTimestamp());
if ($shows) {
// we can skip 4 weeks
$next_test_day = strtotime('+28 days', $test_day);
}
} else {
$shows = Util::isOnSameDayOfMonth($test_day, $this->getStartTimestamp());
if ($shows) {
// we can skip a month
$next_test_day = strtotime('+1 month', $test_day);
}
}
break;
case Util::FREQUENCY_YEARLY:
$shows = Util::isOnSameDayOfYear($test_day, $this->getStartTimestamp());
if ($shows) {
// we can skip a year
$next_test_day = strtotime('+1 year', $test_day);
}
break;
}
if ($shows) {
$occurrences--;
$start_timestamp = (int) Util::getTimeOfDay($this->getStartTimestamp(), $test_day);
}
$test_day = $next_test_day;
}
return $at_event_end ? $start_timestamp + $this->end_delta : $start_timestamp;
}
