MAPG-235 new challenge can be created and is prepared

src/PersistentData/Model/UserInChallenge.php

@@ -16,13 +16,13 @@ class UserInChallenge extends Model
 
     private ?int $challengeId = null;
 
-    private int $round;
+    private int $round = -1;
 
-    private int $score;
+    private int $score = 0;
 
-    private int $timeLeft;
+    private ?int $timeLeft = null;
 
-    private bool $isOwner;
+    private bool $isOwner = false;
 
     public function setUser(User $user): void
     {
@@ -54,9 +54,11 @@ class UserInChallenge extends Model
         $this->score = $score;
     }
 
-    public function setTimeLeft(int $timeLeft): void
+    public function setTimeLeft(?int $timeLeft): void
     {
-        $this->timeLeft = $timeLeft;
+        if(isset($timeLeft)) {
+            $this->timeLeft = $timeLeft;
+        }
     }
 
     public function setIsOwner(bool $isOwner): void