adding nối từ game

models/currency.py

@@ -0,0 +1,24 @@
+from dataclasses import dataclass
+from datetime import datetime
+from typing import Optional
+
+@dataclass
+class DiscordCurrency:
+    id: Optional[int]
+    user_id: int
+    balance: int
+    updated_at: datetime
+
+    def __str__(self):
+        return f"ID: {self.id}, User ID: {self.user_id}, Balance: {self.balance}, Updated At: {self.updated_at}"
+    
+    def __repr__(self):
+        return self.__str__()
+    
+    def to_dict(self):
+        return {
+            "id": self.id,
+            "user_id": self.user_id,
+            "balance": self.balance,
+            "updated_at": self.updated_at
+        }