Differential D1864 Diff 5158 lib/kolab_sync_timezone_converter.php

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lib/kolab_sync_timezone_converter.php

Show First 20 Lines • Show All 81 Lines • ▼ Show 20 Lines	class kolab_sync_timezone_converter
{		{
if (self::$_instance === NULL) {		if (self::$_instance === NULL) {
self::$_instance = new kolab_sync_timezone_converter();		self::$_instance = new kolab_sync_timezone_converter();
}		}

return self::$_instance;		return self::$_instance;
}		}


		/**
		* Returns a timezone with an offset matching the time difference
		* of $dt from $referenceDt.
		*
		* If set and matching the offset, kolab_format::$timezone is preferred.
		*
		* @param DateTime $dt The date time value for which we
		* calculate the offset.
		* @param DateTime $referenceDt The reference value, for instance in UTC.
		*
		* @return DateTimeZone\|null
		*/
		public function getOffsetTimezone($dt, $referenceDt)
		{
		$interval = $referenceDt->diff($dt);
		$tz = new DateTimeZone($interval->format('%R%H%I')); //e.g. +0200
		$utcOffset = $tz->getOffset($dt);
		machniakUnsubmitted Not Done Inline Actions Hmmm.. One more thing. Using 'now' everywhere is probably wrong. You're interested in an offset on the specified task start/due date not now. Right? machniak: Hmmm.. One more thing. Using 'now' everywhere is probably wrong. You're interested in an offset…

		//Prefer the configured timezone if it matches the offset.
		if (kolab_format::$timezone) {
		if (kolab_format::$timezone->getOffset($dt) == $utcOffset) {
		return kolab_format::$timezone;
		}
		}

		//Look for any timezone with a matching offset.
		foreach (DateTimeZone::listIdentifiers() as $timezoneIdentifier) {
		$timezone = new DateTimeZone($timezoneIdentifier);
		if ($timezone->getOffset($dt) == $utcOffset) {
		return $timezone;
		}
		}
		return null;
		}


/**		/**
* Returns a list of timezones that match to the {@param $_offsets}		* Returns a list of timezones that match to the {@param $_offsets}
*		*
* If {@see $_expectedTimezone} is set then the method will terminate as soon		* If {@see $_expectedTimezone} is set then the method will terminate as soon
* as the expected timezone has matched and the expected timezone will be the		* as the expected timezone has matched and the expected timezone will be the
* first entry to the returned array.		* first entry to the returned array.
*		*
* @param string\|array $_offsets		* @param string\|array $_offsets
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