open-law/app/models/collection.py

29 lines
973 B
Python

from app import db
from app.models.utils import BaseModel
class Collection(BaseModel):
__tablename__ = "collections"
# need to redeclare id to use it in the parrent relationship
id = db.Column(db.Integer, primary_key=True)
label = db.Column(db.String(1024), unique=False, nullable=False)
about = db.Column(db.Text, unique=False, nullable=False)
is_root = db.Column(db.Boolean, default=False)
is_leaf = db.Column(db.Boolean, default=False)
# Foreign keys
version_id = db.Column(db.ForeignKey("book_versions.id"))
parrent_id = db.Column(db.ForeignKey("collections.id"))
# Relationships
version = db.relationship("BookVersion")
parrent = db.relationship("Collection", remote_side=[id])
children = db.relationship(
"Collection", backref=db.backref("parent", remote_side=[id]), viewonly=True
)
sections = db.relationship("Section")
def __repr__(self):
return f"<{self.id}: {self.label}>"