/**
* Generate cron schedule.
* Rewrites the original method to remove duplicates afterwards (that exists because of a bug)
*
* @return Mage_Cron_Model_Observer
*/
public function generate()
{
/**
* check if schedule generation is needed
*/
$lastRun = Mage::app()->loadCache(self::CACHE_KEY_LAST_SCHEDULE_GENERATE_AT);
if ($lastRun > time() - Mage::getStoreConfig(self::XML_PATH_SCHEDULE_GENERATE_EVERY) * 60) {
return $this;
}
$startTime = microtime(true);
$result = parent::generate();
$this->deleteDuplicates();
if ($logFile = Mage::getStoreConfig('system/cron/logFile')) {
$history = Mage::getModel('cron/schedule')->getCollection()->setPageSize(1)->setOrder('scheduled_at', 'desc')->load();
$newestSchedule = $history->getFirstItem();
/* @var $newestSchedule Aoe_Scheduler_Model_Schedule */
$duration = microtime(true) - $startTime;
Mage::log('Generated schedule. Newest task is scheduled at "' . $newestSchedule->getScheduledAt() . '". (Duration: ' . round($duration, 2) . ' sec)', null, $logFile);
}
return $result;
}
/**
* Generate cron schedule.
* Rewrites the original method to remove duplicates afterwards (that exists because of a bug)
*
* @return Mage_Cron_Model_Observer
*/
public function generate()
{
$result = parent::generate();
$cron_schedule = Mage::getSingleton('core/resource')->getTableName('cron_schedule');
$conn = Mage::getSingleton('core/resource')->getConnection('core_read');
$results = $conn->fetchAll("\r\n\t\t\tSELECT\r\n\t\t\t\tGROUP_CONCAT(schedule_id) AS ids,\r\n\t\t\t\tCONCAT(job_code, scheduled_at) AS jobkey,\r\n\t\t\t\tcount(*) AS qty\r\n\t\t\tFROM {$cron_schedule}\r\n\t\t\tWHERE status = 'pending'\r\n\t\t\tGROUP BY jobkey\r\n\t\t\tHAVING qty > 1;\r\n\t\t");
foreach ($results as $row) {
$ids = explode(',', $row['ids']);
$removeIds = array_slice($ids, 1);
foreach ($removeIds as $id) {
Mage::getModel('cron/schedule')->load($id)->delete();
}
}
return $result;
}