fix gpt

api/app/repositories/card.py

@@ -92,6 +92,51 @@ class CardRepository(BaseRepository[UserCard]):
             obtained_at=card.obtained_at
         )
         self.session.add(registry)
+    
+    async def get_total_card_count(self) -> int:
+        """Get total number of cards obtained"""
+        result = await self.session.execute(
+            select(func.count(UserCard.id))
+        )
+        return result.scalar() or 0
+    
+    async def get_cards_by_rarity(self) -> dict:
+        """Get card count by rarity"""
+        result = await self.session.execute(
+            select(UserCard.status, func.count(UserCard.id))
+            .group_by(UserCard.status)
+        )
+        
+        cards_by_rarity = {}
+        for status, count in result.all():
+            cards_by_rarity[status.value if hasattr(status, 'value') else str(status)] = count
+        
+        return cards_by_rarity
+    
+    async def get_recent_cards(self, limit: int = 10) -> List[dict]:
+        """Get recent card activities"""
+        result = await self.session.execute(
+            select(
+                UserCard.card_id,
+                UserCard.status,
+                UserCard.obtained_at,
+                User.did.label('owner_did')
+            )
+            .join(User, UserCard.user_id == User.id)
+            .order_by(UserCard.obtained_at.desc())
+            .limit(limit)
+        )
+        
+        activities = []
+        for row in result.all():
+            activities.append({
+                'card_id': row.card_id,
+                'status': row.status.value if hasattr(row.status, 'value') else str(row.status),
+                'obtained_at': row.obtained_at,
+                'owner_did': row.owner_did
+            })
+        
+        return activities
 
 
 class UniqueCardRepository(BaseRepository[UniqueCardRegistry]):