/**
* This function is meant to be called **hourly** by cron.
* It calls all registred handlers and it also takes care of emitting trigger
* signals for longer periods of time than on hourly basis (daily, weekly, ...).
*
* @param \DateTime forced date time (for testing purposes only)
*/
public static function run(\DateTime $now = null)
{
try {
Nette\Utils\CriticalSection::enter();
} catch (Nette\InvalidStateException $e) {
if ($e->getMessage() == 'Critical section has already been entered.') {
throw new CronException('Cron job is already running');
} else {
throw $e;
}
}
try {
$cache = static::getCache();
if ($now === null) {
$now = new \DateTime('now');
}
// Hodinova volani =======================================================
if (isset($cache['lastHourly'])) {
// Pocet minut od posledni zmeny
$offset = (intval($now->format('U')) - intval($cache['lastHourly']->format('U'))) / 60;
if ($offset < 1) {
throw new CronException('Invalid time offset. Current date is earlier than already processed.');
}
if ($offset < 60) {
throw new CronException('Invalid time offset. Method was called too early. Probably because of clock skew.');
}
} else {
$cache['lastHourly'] = null;
}
self::hourly($cache['lastHourly'], $now);
$cache['lastHourly'] = clone $now;
// Denni a mesicni volani ================================================
if (intval($now->format('H')) == 0) {
self::daily(isset($cache['lastDaily']) ? $cache['lastHourly'] : null, $now);
$cache['lastDaily'] = clone $now;
if (intval($now->format('d')) == 1) {
self::monthly(isset($cache['lastMonthly']) ? $cache['lastMonthly'] : null, $now);
$cache['lastMonthly'] = clone $now;
}
}
Nette\Utils\CriticalSection::leave();
} catch (\Exception $e) {
Nette\Utils\CriticalSection::leave();
throw $e;
}
}
/**
* Parses date/time string formated by HTTP specification
*
* @see http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.3
*
* @param string
* @param DateTime|null
*/
public static function parseDateTime($str)
{
// Format 1:
// Sun, 06 Nov 1994 08:49:37 GMT ; RFC 822, updated by RFC 1123
$dt = \DateTime::createFromFormat('D, d M Y H:i:s O', $str);
if ($dt !== FALSE) {
return $dt;
}
// Format 2:
// Sunday, 06-Nov-94 08:49:37 GMT ; RFC 850, obsoleted by RFC 1036
$dt = \DateTime::createFromFormat('l, d-M-y H:i:s O', $str);
if ($dt !== FALSE) {
return $dt;
}
// Format 3:
// Sun Nov 6 08:49:37 1994 ; ANSI C's asctime() format
$dt = \DateTime::createFromFormat('D M j H:i:s Y', $str, new \DateTimeZone('UTC'));
if ($dt !== FALSE) {
return $dt;
}
return null;
}
/**
* Helper for getting name of the day of the week.
*
* @note Output is translated.
*
* @param DateTime|int|string $time
* @return string name of the day of the week
*/
public static function weekDayName($time)
{
if (($time = self::timestamp($time)) == FALSE) {
return FALSE;
}
return vBuilder\Utils\DateTime::weekDayName((int) date('N', $time));
}
/**
* Returns the last valid DT of given period
*
* @param \DateTime $dt [description]
* @param string vBuilder\Utils\DateTime period constant
* @return \DateTime
* @throws Nette\InvalidArgumentException If invalid period is specified
*/
public static function endOfPeriod(\DateTime $dt, $period)
{
$dt2 = static::startOfPeriod($dt, $period);
switch ($period) {
case self::MINUTE:
return $dt2->modify('+59 seconds');
case self::HOUR:
return $dt2->modify('+59 minutes 59 seconds');
case self::DAY:
return $dt2->modify('+23 hours 59 minutes 59 seconds');
case self::WEEK:
return $dt2->modify('+6 days 23 hours 59 minutes 59 seconds');
case self::MONTH:
return $dt2->modify('+' . ($dt2->format('t') - 1) . ' days 23 hours 59 minutes 59 seconds');
case self::YEAR:
return \DateTime::createFromFormat('Y-m-d H:i:s', $dt->format('Y-12-31 23:59:59'), $dt->getTimezone());
}
}
