with open("/app/app/models/ticket.py", "r") as f:
    content = f.read()

old = '    def __repr__(self) -> str:\n        return f"<Ticket(id={self.id}, number=\'{self.ticket_number}\', status={self.status})>"'
new = '''    participants: Mapped[list["TicketParticipant"]] = relationship(
        "TicketParticipant",
        back_populates="ticket",
        cascade="all, delete-orphan"
    )

    def __repr__(self) -> str:
        return f"<Ticket(id={self.id}, number=\'{self.ticket_number}\', status={self.status})>"'''

if old in content:
    content = content.replace(old, new)
    print("OK: relacion participants agregada")
else:
    print("ERROR: bloque no encontrado")

with open("/app/app/models/ticket.py", "w") as f:
    f.write(content)