27 lines
1.1 KiB
Python
27 lines
1.1 KiB
Python
"""Favorite (saved listing). One row per user+listing pair."""
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from datetime import datetime
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from app.extensions import db
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class Favorite(db.Model):
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__tablename__ = "favorites"
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__table_args__ = (
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db.UniqueConstraint("user_id", "listing_id", name="uq_fav_user_listing"),
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)
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id = db.Column(db.BigInteger().with_variant(db.Integer, "sqlite"),
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primary_key=True, autoincrement=True)
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user_id = db.Column(db.BigInteger().with_variant(db.Integer, "sqlite"),
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db.ForeignKey("users.id"), nullable=False, index=True)
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listing_id = db.Column(db.BigInteger().with_variant(db.Integer, "sqlite"),
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db.ForeignKey("listings.id"), nullable=False, index=True)
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created_at = db.Column(db.DateTime, default=datetime.utcnow, nullable=False)
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user = db.relationship("User",
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backref=db.backref("favorites", lazy="dynamic"))
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listing = db.relationship("Listing",
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backref=db.backref("favorited_by", lazy="dynamic"))
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def __repr__(self):
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return f"<Favorite u{self.user_id} l{self.listing_id}>"
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