covered some test lacunae; gatekeeper now waits for +6 gamers to commit tokens to unblock game room

src/apps/epic/models.py

@@ -96,7 +96,8 @@ def create_gate_slots(sender, instance, created, **kwargs):
 def debit_token(user, slot, token):
     if token.token_type == Token.COIN:
         token.current_room = slot.room
-        token.next_ready_at = timezone.now() + slot.room.renewal_period
+        period = slot.room.renewal_period or timedelta(days=7)
+        token.next_ready_at = timezone.now() + period
         token.save()
     else:
         token.delete()
@@ -104,3 +105,8 @@ def debit_token(user, slot, token):
     slot.status = GateSlot.FILLED
     slot.filled_at = timezone.now()
     slot.save()
+
+    room = slot.room
+    if not room.gate_slots.filter(status=GateSlot.EMPTY).exists():
+        room.gate_status = Room.OPEN
+        room.save()