try to fix insert

models.py

@@ -175,20 +175,39 @@ class DocuPulseSettings(db.Model):
 
     @classmethod
     def get_settings(cls):
-        settings = cls.query.first()
-        if not settings:
-            settings = cls(
-                max_rooms=10,
-                max_conversations=10,
-                max_storage=10737418240  # 10GB in bytes
-            )
-            db.session.add(settings)
-            db.session.commit()
-        return settings
+        try:
+            settings = cls.query.first()
+            if not settings:
+                settings = cls(
+                    max_rooms=10,
+                    max_conversations=10,
+                    max_storage=10737418240  # 10GB in bytes
+                )
+                db.session.add(settings)
+                db.session.commit()
+            return settings
+        except Exception as e:
+            # If there's an error (like integer overflow), rollback and return None
+            db.session.rollback()
+            return None
 
     @classmethod
     def get_usage_stats(cls):
         settings = cls.get_settings()
+        if not settings:
+            # Return default values if settings can't be retrieved
+            return {
+                'max_rooms': 10,
+                'max_conversations': 10,
+                'max_storage': 10737418240,
+                'current_rooms': 0,
+                'current_conversations': 0,
+                'current_storage': 0,
+                'rooms_percentage': 0,
+                'conversations_percentage': 0,
+                'storage_percentage': 0
+            }
+            
         total_rooms = Room.query.count()
         total_conversations = Conversation.query.count()
         total_storage = db.session.query(db.func.sum(RoomFile.size)).filter(RoomFile.deleted == False).scalar() or 0