models.py

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

class User(Base):
	__tablename__ = "users"

	id = Column(Integer, primary_key=True, index=True)
	username = Column(String(50), unique=True, index=True, nullable=False)
	hashed_password = Column(String(255), nullable=False)

	notes = relationship("Note", back_populates="owner")


class Note(Base):
	__tablename__ = "notes"

	id = Column(Integer, primary_key=True, index=True)
	title = Column(String(255), nullable=False)
	content = Column(Text, nullable=True)
	is_completed = Column(Boolean, default=False)
	created_at = Column(DateTime(timezone=True), server_default=func.now())

	user_id = Column(Integer, ForeignKey("users.id", ondelete="CASCADE"), nullable=False)

	owner = relationship("User", back_populates="notes")