/**
* Check if the specified task should be executed according to the specified
* frequency and its last run time.
* @param $className string
* @param $frequency XMLNode
* @return string
*/
static function checkFrequency($className, $frequency)
{
$isValid = true;
$taskDao = DAORegistry::getDAO('ScheduledTaskDAO');
/* @var $taskDao ScheduledTaskDAO */
$lastRunTime = $taskDao->getLastRunTime($className);
// Check day of week
$dayOfWeek = $frequency->getAttribute('dayofweek');
if (isset($dayOfWeek)) {
$isValid = ScheduledTaskHelper::_isInRange($dayOfWeek, (int) date('w'), $lastRunTime, 'day', strtotime('-1 week'));
}
if ($isValid) {
// Check month
$month = $frequency->getAttribute('month');
if (isset($month)) {
$isValid = ScheduledTaskHelper::_isInRange($month, (int) date('n'), $lastRunTime, 'month', strtotime('-1 year'));
}
}
if ($isValid) {
// Check day
$day = $frequency->getAttribute('day');
if (isset($day)) {
$isValid = ScheduledTaskHelper::_isInRange($day, (int) date('j'), $lastRunTime, 'day', strtotime('-1 month'));
}
}
if ($isValid) {
// Check hour
$hour = $frequency->getAttribute('hour');
if (isset($hour)) {
$isValid = ScheduledTaskHelper::_isInRange($hour, (int) date('G'), $lastRunTime, 'hour', strtotime('-1 day'));
}
}
if ($isValid) {
// Check minute
$minute = $frequency->getAttribute('minute');
if (isset($minute)) {
$isValid = ScheduledTaskHelper::_isInRange($minute, (int) date('i'), $lastRunTime, 'min', strtotime('-1 hour'));
}
}
return $isValid;
}
