Reimplemented periodic check

src/Command/DaemonCommand.php

@@ -86,7 +86,11 @@ class DaemonCommand extends Command
                 }
             }
             $this->doctrine->getManager()->clear();
-            sleep(1);
+
+            $maxwait = time() + 30;
+            $nextrun = $jobRepo->getTimeOfNextRun();
+            $sleepuntil = min($maxwait, $nextrun);
+            if($sleepuntil > time()) time_sleep_until($sleepuntil);
         }
         $output->writeln('Ended after ' . $timelimit . ' seconds');
         pcntl_wait($status);

src/Repository/JobRepository.php

@@ -589,6 +589,37 @@ class JobRepository extends EntityRepository
         return ['success' => true, 'message' => 'Cronjob succesfully edited'];
     }
 
+    public function getTimeOfNextRun()
+    {
+        if(!empty($this->getJobsDue())) return time();
+
+        $qb = $this->createQueryBuilder('job');
+        $firstScheduledJob = $qb
+            ->where('job.running = 0')
+            ->orderBy('job.nextrun')
+            ->getQuery()->getResult();
+
+        $firstRebootJob = $qb
+            ->where('job.running > 2')
+            ->orderBy('job.running')
+            ->getQuery()->getResult();
+
+
+        if(empty($firstScheduledJob)) {
+            $val1 = PHP_INT_MAX;
+        } else {
+            $val1 = $firstScheduledJob[0]->getNextRun();
+        }
+
+        if(empty($firstRebootJob)) {
+            $val2 =  PHP_INT_MAX;
+        } else {
+            $val2 = $firstRebootJob[0]->getRunning();
+        }
+
+        return min($val1, $val2);
+    }
+
     /**
      * @param array $values
      * @param Job|null $job