model.py

from database import Base
from sqlalchemy import Column, Integer, String, DateTime, func, ForeignKey
from sqlalchemy.orm import relationship


class ShortURL(Base):
    __tablename__ = "short_url"
    uuid = Column(Integer, primary_key=True, index=True, autoincrement=True)
    original_url = Column(String, nullable=False)
    short_code = Column(String, unique=True, nullable=False, index=True)
    created_at = Column(DateTime(timezone=True), server_default=func.now())
    visit_count = Column(Integer, default=0)
    access_log = relationship("AccessLog", back_populates="short_url")


class AccessLog(Base):
    __tablename__ = "access_log"
    uuid = Column(Integer, primary_key=True, index=True, autoincrement=True)
    short_code = Column(
        String, ForeignKey("short_url.short_code"), nullable=False, index=True
    )
    time_stamp = Column(DateTime(timezone=True), server_default=func.now())
    short_url = relationship("ShortURL", back_populates="access_log")