Get balloons when there are multiple contests active

Author: vmcj

webapp/src/Service/DOMJudgeService.php

@@ -435,12 +435,19 @@ public function getUpdates(): array
                               ->setParameter('cid', $contest->getCid());
             }
 
-            $freezetime = $contest->getFreezeTime();
-            if ($freezetime !== null && !(bool)$this->config->get('show_balloons_postfreeze')) {
-                $balloonsQuery
-                    ->andWhere('s.submittime < :freeze')
-                    ->setParameter('freeze', $freezetime);
-            }
+            if (!(bool)$this->config->get('show_balloons_postfreeze')) {
+		$balloonsQuery->andWhere('s.submittime < co.freezetime');
+		//leftJoin('p.contest_problems', 'cp', Join::WITH, 'co.cid = cp.contest AND p.probid = cp.problem')
+                //$freezetime = $contest->getFreezeTime();
+                //if ($freezetime !== null && !(bool)$this->config->get('show_balloons_postfreeze')) {
+                //   $balloonsQuery
+                //        ->andWhere('s.submittime < :freeze')
+                //        ->setParameter('freeze', $freezetime);
+		//}
+	    }
+	    // We can now have the problem that there is no selected contest (so we should list all contests) but only active ones.
+            $balloonsQuery->andWhere('co.deactivatetime < :now OR co.deactivatetime IS NULL')
+                          ->setParameter('now', new DateTime());
 
             $balloons = $balloonsQuery->getQuery()->getResult();
         }