update to python fastpi

Backend/src/models/checkin_checkout.py

@@ -0,0 +1,27 @@
+from sqlalchemy import Column, Integer, DateTime, Numeric, Text, ForeignKey
+from sqlalchemy.orm import relationship
+from datetime import datetime
+from ..config.database import Base
+
+
+class CheckInCheckOut(Base):
+    __tablename__ = "checkin_checkout"
+
+    id = Column(Integer, primary_key=True, index=True, autoincrement=True)
+    booking_id = Column(Integer, ForeignKey("bookings.id"), nullable=False, unique=True)
+    checkin_time = Column(DateTime, nullable=True)
+    checkout_time = Column(DateTime, nullable=True)
+    checkin_by = Column(Integer, ForeignKey("users.id"), nullable=True)
+    checkout_by = Column(Integer, ForeignKey("users.id"), nullable=True)
+    room_condition_checkin = Column(Text, nullable=True)
+    room_condition_checkout = Column(Text, nullable=True)
+    additional_charges = Column(Numeric(10, 2), nullable=False, default=0.0)
+    notes = Column(Text, nullable=True)
+    created_at = Column(DateTime, default=datetime.utcnow, nullable=False)
+    updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow, nullable=False)
+
+    # Relationships
+    booking = relationship("Booking", back_populates="checkin_checkout")
+    checked_in_by = relationship("User", foreign_keys=[checkin_by], back_populates="checkins_processed")
+    checked_out_by = relationship("User", foreign_keys=[checkout_by], back_populates="checkouts_processed")
+