Refactoring code for modular approach

models/database_models.py

@@ -1,10 +1,10 @@
 # models/database_models.py - Updated with Marketplace Support
 from sqlalchemy import Column, Integer, String, Float, DateTime, Boolean, Text, ForeignKey, UniqueConstraint, Index
-from sqlalchemy.ext.declarative import declarative_base
 from sqlalchemy.orm import relationship
 from datetime import datetime
 
-Base = declarative_base()
+# Import Base from the central database module instead of creating a new one
+from app.core.database import Base
 
 
 class User(Base):