31 lines
No EOL
1.1 KiB
Python
31 lines
No EOL
1.1 KiB
Python
from datetime import UTC, datetime
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from app import db
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class CardLabel(db.Model):
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"""Many-to-many relationship between cards and labels"""
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__tablename__ = "card_labels"
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id = db.Column(db.Integer, primary_key=True)
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card_id = db.Column(db.Integer, db.ForeignKey("cards.id", ondelete="CASCADE"), nullable=False, index=True)
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label_id = db.Column(db.Integer, db.ForeignKey("labels.id", ondelete="CASCADE"), nullable=False, index=True)
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# Timestamps
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created_at = db.Column(db.DateTime, default=lambda: datetime.now(UTC))
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# Unique constraint to prevent duplicate associations
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__table_args__ = (db.UniqueConstraint("card_id", "label_id", name="_card_label_uc"),)
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def to_dict(self):
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"""Convert card label to dictionary"""
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return {
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"id": self.id,
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"card_id": self.card_id,
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"label_id": self.label_id,
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"created_at": self.created_at.isoformat() if self.created_at else None,
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}
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def __repr__(self):
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return f"<CardLabel card_id={self.card_id} label_id={self.label_id}>" |