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CalendarTimeUtil.php
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Fri, Sep 13, 00:27

CalendarTimeUtil.php
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<?php
/**
* This class is useful for generating various time objects, relative to the
* user and their timezone.
*
* For now, the class exposes two sets of static methods for the two main
* calendar views - one for the conpherence calendar widget and one for the
* user profile calendar view. These have slight differences such as
* conpherence showing both a three day "today 'til 2 days from now" *and*
* a Sunday -> Saturday list, whilest the profile view shows a more simple
* seven day rolling list of events.
*/
final class CalendarTimeUtil extends Phobject {
public static function getCalendarEventEpochs(
PhabricatorUser $user,
$start_day_str = 'Sunday',
$days = 9) {
$objects = self::getStartDateTimeObjects($user, $start_day_str);
$start_day = $objects['start_day'];
$end_day = clone $start_day;
$end_day->modify('+'.$days.' days');
return array(
'start_epoch' => $start_day->format('U'),
'end_epoch' => $end_day->format('U'),
);
}
public static function getCalendarWeekTimestamps(
PhabricatorUser $user) {
return self::getTimestamps($user, 'Today', 7);
}
public static function getCalendarWidgetTimestamps(
PhabricatorUser $user) {
return self::getTimestamps($user, 'Sunday', 9);
}
/**
* Public for testing purposes only. You should probably use one of the
* functions above.
*/
public static function getTimestamps(
PhabricatorUser $user,
$start_day_str,
$days) {
$objects = self::getStartDateTimeObjects($user, $start_day_str);
$start_day = $objects['start_day'];
$timestamps = array();
for ($day = 0; $day < $days; $day++) {
$timestamp = clone $start_day;
$timestamp->modify(sprintf('+%d days', $day));
$timestamps[] = $timestamp;
}
return array(
'today' => $objects['today'],
'epoch_stamps' => $timestamps,
);
}
private static function getStartDateTimeObjects(
PhabricatorUser $user,
$start_day_str) {
$timezone = new DateTimeZone($user->getTimezoneIdentifier());
$today_epoch = PhabricatorTime::parseLocalTime('today', $user);
$today = new DateTime('@'.$today_epoch);
$today->setTimezone($timezone);
if (strtolower($start_day_str) == 'today' ||
$today->format('l') == $start_day_str) {
$start_day = clone $today;
} else {
$start_epoch = PhabricatorTime::parseLocalTime(
'last '.$start_day_str,
$user);
$start_day = new DateTime('@'.$start_epoch);
$start_day->setTimezone($timezone);
}
return array(
'today' => $today,
'start_day' => $start_day,
);
}
}

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