Differential D4265 Diff 12278 lib/kolab_sync_timezone_converter.php

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lib/kolab_sync_timezone_converter.php

Show First 20 Lines • Show All 145 Lines • ▼ Show 20 Lines	public function getListOfTimezones($_offsets)
$_offsets = $this->_unpackTimezoneInfo($_offsets);		$_offsets = $this->_unpackTimezoneInfo($_offsets);
}		}

if (!$this->_validateOffsets($_offsets)) {		if (!$this->_validateOffsets($_offsets)) {
return array();		return array();
}		}
$this->_setDefaultStartDateIfEmpty($_offsets);		$this->_setDefaultStartDateIfEmpty($_offsets);

$cacheId = $this->_getCacheId('timezones', $_offsets);
$timezones = $this->_loadFromCache($cacheId);

if (!is_array($timezones)) {
$timezones = array();		$timezones = array();
foreach (DateTimeZone::listIdentifiers() as $timezoneIdentifier) {		foreach (DateTimeZone::listIdentifiers() as $timezoneIdentifier) {
$timezone = new DateTimeZone($timezoneIdentifier);		$timezone = new DateTimeZone($timezoneIdentifier);
if (false !== ($matchingTransition = $this->_checkTimezone($timezone, $_offsets))) {		if (false !== ($matchingTransition = $this->_checkTimezone($timezone, $_offsets))) {
$timezones[$timezoneIdentifier] = $matchingTransition['abbr'];		$timezones[$timezoneIdentifier] = $matchingTransition['abbr'];
}		}
}		}
$this->_saveInCache($timezones, $cacheId);
}
}		}

return $timezones;		return $timezones;
}		}

/**		/**
* Returns PHP timezone that matches to the {@param $_offsets}		* Returns PHP timezone that matches to the {@param $_offsets}
*		*
▲ Show 20 Lines • Show All 44 Lines • ▼ Show 20 Lines	class kolab_sync_timezone_converter
* @param string\|int $_startDate Start date		* @param string\|int $_startDate Start date
*		*
* @return array Timezone offsets		* @return array Timezone offsets
*/		*/
public function getOffsetsForTimezone($_timezone, $_startDate = null)		public function getOffsetsForTimezone($_timezone, $_startDate = null)
{		{
$this->_setStartDate($_startDate);		$this->_setStartDate($_startDate);

$cacheId = $this->_getCacheId('offsets', array($_timezone));

if (!($offsets = $this->_loadFromCache($cacheId))) {
$offsets = $this->_getOffsetsTemplate();		$offsets = $this->_getOffsetsTemplate();

try {		try {
$timezone = new DateTimeZone($_timezone);		$timezone = new DateTimeZone($_timezone);
}		}
catch (Exception $e) {		catch (Exception $e) {
return null;		return null;
}		}

list($standardTransition, $daylightTransition) = $this->_getTransitionsForTimezoneAndYear($timezone, $this->_startDate['year']);		list($standardTransition, $daylightTransition) = $this->_getTransitionsForTimezoneAndYear($timezone, $this->_startDate['year']);

if ($standardTransition) {		if ($standardTransition) {
$offsets['bias'] = $standardTransition['offset']/60*-1;		$offsets['bias'] = $standardTransition['offset']/60*-1;
if ($daylightTransition) {		if ($daylightTransition) {
$offsets = $this->_generateOffsetsForTransition($offsets, $standardTransition, 'standard', $timezone);		$offsets = $this->_generateOffsetsForTransition($offsets, $standardTransition, 'standard', $timezone);
$offsets = $this->_generateOffsetsForTransition($offsets, $daylightTransition, 'daylight', $timezone);		$offsets = $this->_generateOffsetsForTransition($offsets, $daylightTransition, 'daylight', $timezone);

//@todo how do we get the standardBias (is usually 0)?		//@todo how do we get the standardBias (is usually 0)?
//$offsets['standardBias'] = ...		//$offsets['standardBias'] = ...

$offsets['daylightBias'] = ($daylightTransition['offset'] - $standardTransition['offset'])/60*-1;		$offsets['daylightBias'] = ($daylightTransition['offset'] - $standardTransition['offset'])/60*-1;
$offsets['standardHour'] -= $offsets['daylightBias'] / 60;		$offsets['standardHour'] -= $offsets['daylightBias'] / 60;
$offsets['daylightHour'] += $offsets['daylightBias'] / 60;		$offsets['daylightHour'] += $offsets['daylightBias'] / 60;
}		}
}		}

$this->_saveInCache($offsets, $cacheId);
}

return $offsets;		return $offsets;
}		}

/**		/**
* Get offsets for timezone transition		* Get offsets for timezone transition
*		*
* @param array $_offsets Timezone offsets		* @param array $_offsets Timezone offsets
* @param array $_transition Timezone transition information		* @param array $_transition Timezone transition information
▲ Show 20 Lines • Show All 364 Lines • ▼ Show 20 Lines	protected function _getTransitionsForTimezoneAndYear(DateTimeZone $_timezone, $_year)
}		}
else if ($index == count($transitions) -1) {		else if ($index == count($transitions) -1) {
$standardTransition = $transition;		$standardTransition = $transition;
}		}
}		}

return array($standardTransition, $daylightTransition);		return array($standardTransition, $daylightTransition);
}		}

protected function _getCacheId($_prefix, $_offsets)
{
return $_prefix . md5(serialize($_offsets));
}

protected function _loadFromCache($key)
{
if ($cache = $this->getCache()) {
return $cache->get($key);
}

return false;
}

protected function _saveInCache($value, $key)
{
if ($cache = $this->getCache()) {
$cache->set($key, $value);
}
}

/**
* Getter for the cache engine object
*/
protected function getCache()
{
if ($this->cache === null) {
$rcube = rcube::get_instance();
$cache = $rcube->get_cache_shared('activesync');
$this->cache = $cache ? $cache : false;
}

return $this->cache;
}
}		}