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from src.extensions import db |
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import datetime |
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class CrossReference(db.Model): |
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__tablename__ = 'cross_references' |
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id = db.Column(db.Integer, primary_key=True) |
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source_legislation_id = db.Column(db.Integer, db.ForeignKey('legislation.id'), nullable=False) |
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target_legislation_id = db.Column(db.Integer, db.ForeignKey('legislation.id'), nullable=False) |
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relationship_type = db.Column(db.String, nullable=False) |
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details = db.Column(db.Text) |
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identified_at = db.Column(db.DateTime, default=datetime.datetime.utcnow) |
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__table_args__ = (db.UniqueConstraint('source_legislation_id', 'target_legislation_id', 'relationship_type', name='_source_target_rel_uc'),) |
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def __repr__(self): |
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return f'<CrossRef {self.id}: {self.source_legislation_id} {self.relationship_type} {self.target_legislation_id}>' |
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