mirror of https://github.com/logos-co/open-law.git
38 lines
1.2 KiB
Python
38 lines
1.2 KiB
Python
from datetime import datetime
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from app import db
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from app.models.utils import BaseModel
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class BookVersion(BaseModel):
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__tablename__ = "book_versions"
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# need to redeclare id to use it in the derivative relationship
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id = db.Column(db.Integer, primary_key=True)
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semver = db.Column(db.String(16), unique=False, nullable=False)
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exported = db.Column(db.Boolean, default=False)
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updated_at = db.Column(db.DateTime, default=datetime.now)
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# Foreign keys
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derivative_id = db.Column(db.Integer, db.ForeignKey("book_versions.id"))
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book_id = db.Column(db.Integer, db.ForeignKey("books.id"))
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# Relationships
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book = db.relationship("Book", viewonly=True)
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derivative = db.relationship("BookVersion", remote_side=[id])
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sections = db.relationship("Section", viewonly=True)
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collections = db.relationship("Collection", viewonly=True)
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def __repr__(self):
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return f"<{self.id}: {self.semver}>"
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@property
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def root_collection(self):
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for collection in self.collections:
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if collection.is_root:
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return collection
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@property
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def children_collections(self):
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return self.root_collection.children
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