from typing import Optional
from sqlalchemy import BigInteger, Column, ForeignKey
from sqlmodel import Field, SQLModel


class CollectionCourse(SQLModel, table=True):
    id: Optional[int] = Field(default=None, primary_key=True)
    collection_id: int = Field(sa_column=Column(BigInteger, ForeignKey("collection.id", ondelete="CASCADE")))
    course_id: int = Field(sa_column=Column(BigInteger, ForeignKey("course.id", ondelete="CASCADE")))
    org_id: int = Field(default=None, foreign_key="organization.id")
    creation_date: str
    update_date: str