ticket serializer and model update

backend/ticket/serializers.py

@@ -9,6 +9,14 @@ class MessageSerializer(serializers.ModelSerializer):
 
 class TicketSerializer(serializers.ModelSerializer):
     messages = MessageSerializer(many=True, read_only=True)
+    admin = ProfileSerializer(read_only=True)
+    class Meta:
+        model = Ticket
+        exclude = ('customer', )
+        read_only_fields = ('status', 'admin', )
+
+
+class TicketListSerializer(serializers.ModelSerializer):
     admin = ProfileSerializer(read_only=True)
     class Meta:
         model = Ticket