Fix database

backend/app/models/employee.py

@@ -1,9 +1,8 @@
 """Employee model"""
-from sqlalchemy import Column, Integer, String, Boolean, DateTime
+from sqlalchemy import Column, Integer, String, Boolean
 from sqlalchemy.orm import relationship
-from datetime import datetime
 
-from ..database import Base
+from ..db.base_class import Base
 
 class Employee(Base):
     """Employee model"""
@@ -17,6 +16,7 @@ class Employee(Base):
     hashed_password = Column(String, nullable=False)
     is_active = Column(Boolean, default=True)
     is_admin = Column(Boolean, default=False)
-    created_at = Column(DateTime, nullable=False, default=datetime.utcnow)
 
-    requests = relationship("Request", back_populates="employee")
+    # Отношения
+    requests = relationship("Request", back_populates="employee", cascade="all, delete-orphan")
+    tokens = relationship("Token", back_populates="employee", cascade="all, delete-orphan")

backend/app/models/token.py

@@ -1,17 +1,16 @@
 """Token model"""
-from sqlalchemy import Column, Integer, String, DateTime, ForeignKey
+from sqlalchemy import Column, Integer, String, ForeignKey
 from sqlalchemy.orm import relationship
-from datetime import datetime
 
-from ..database import Base
+from ..db.base_class import Base
 
 class Token(Base):
     """Token model"""
     __tablename__ = "tokens"
 
     id = Column(Integer, primary_key=True, index=True)
-    token = Column(String, unique=True, index=True)
-    employee_id = Column(Integer, ForeignKey("employees.id"), nullable=False)
-    created_at = Column(DateTime, default=datetime.utcnow)
-
-    employee = relationship("Employee", backref="tokens") 
+    token = Column(String, unique=True, index=True, nullable=False)
+    employee_id = Column(Integer, ForeignKey("employees.id", ondelete="CASCADE"), nullable=False)
+    
+    # Отношения
+    employee = relationship("Employee", back_populates="tokens")