API and database models refactoring

models/database/user.py

@@ -0,0 +1,33 @@
+from datetime import datetime
+
+from sqlalchemy import (Boolean, Column, DateTime, Float, ForeignKey, Index,
+                        Integer, String, Text, UniqueConstraint)
+from sqlalchemy.orm import relationship
+
+# Import Base from the central database module instead of creating a new one
+from app.core.database import Base
+
+
+class User(Base):
+    __tablename__ = "users"
+
+    id = Column(Integer, primary_key=True, index=True)
+    email = Column(String, unique=True, index=True, nullable=False)
+    username = Column(String, unique=True, index=True, nullable=False)
+    hashed_password = Column(String, nullable=False)
+    role = Column(String, nullable=False, default="user")  # user, admin, shop_owner
+    is_active = Column(Boolean, default=True, nullable=False)
+    last_login = Column(DateTime, nullable=True)
+    created_at = Column(DateTime, default=datetime.utcnow, nullable=False)
+    updated_at = Column(
+        DateTime, default=datetime.utcnow, onupdate=datetime.utcnow, nullable=False
+    )
+
+    # Relationships
+    marketplace_import_jobs = relationship(
+        "MarketplaceImportJob", back_populates="user"
+    )
+    owned_shops = relationship("Shop", back_populates="owner")
+
+    def __repr__(self):
+        return f"<User(username='{self.username}', email='{self.email}', role='{self.role}')>"