So basically i'm using a Scheduler task in which i first create an object of
each class repository and use the function findAll() on each:
/** @var CustomerRepository $apprep2 */
$apprep2 =
$objectManager->get(\Cjk\Icingaconfgen\Domain\Repository\ApplianceRepository::class);
/** @var Typo3QuerySettings $querySettings */
$querySettings =
$objectManager->get('TYPO3\\CMS\\Extbase\\Persistence\\Generic\\Typo3QuerySettings');
$querySettings->setRespectStoragePage(FALSE);
$apprep2->setDefaultQuerySettings($querySettings);
$appliances = $apprep2->findAll();
Then i use each repository object in a foreach loop to access specific
properties of each record in the repository (to write them into a file - but
that's another story) like this:
foreach($appliances as $appliance)
{
if($appliance->getKundeuid() == $kunde->getUid())
{
$name = $appliance->getIpv4intern();
$address = $appliance->getIpv4extern();
$file = '/etc/icinga2/conf.d/hosts/'.$kunde->getName().'/Appliance_'.
$appliance->getIpv4intern().'_'.$kunde->getKundennummer() . '.conf';
$code_a = 'object Host "';
$code_b = '" {
import "generic-host"
address = "';
$code_c = '"
vars.notification["mail"] = {
groups = [ "icingaadmins" ]
}
}';
$fp = fopen("{$file}", 'wb');
fwrite($fp, $code_a . $name . $code_b . $address . $code_c);
fclose($fp);
}
}
My problem is: The moment i don't have any record of let's say the class "appliance" Typo
3 throws me an error becauuse there is no "appliance" record it wants to access.
"Oops, an error occurred!
Call to a member function getIpv4intern() on null"
Using an if condition like:
"if($appliances != null){...}"
..Still makes the task trying to call "getIpv4intern()"...
What can i do to prevent the task using the foreach loop (or any other part of my code that tries to access the record, if the record is empty?
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