5783d8fae9
Introduces PointOfInterest (per-user named locations with lat/lng) and POIDistance (travel time/distance per listing+POI+mode triple) SQLModel entities, plus an Alembic migration to create both tables with indexes and a composite unique constraint.
23 lines
860 B
Python
23 lines
860 B
Python
from datetime import datetime
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from sqlmodel import SQLModel, Field, UniqueConstraint
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from models.listing import ListingType
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class POIDistance(SQLModel, table=True):
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__table_args__ = (
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UniqueConstraint(
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"listing_id", "listing_type", "poi_id", "travel_mode",
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name="uq_poi_distance_listing_poi_mode",
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),
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)
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id: int | None = Field(default=None, primary_key=True)
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listing_id: int = Field(index=True, nullable=False)
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listing_type: ListingType = Field(index=True, nullable=False)
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poi_id: int = Field(foreign_key="pointofinterest.id", index=True, nullable=False)
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travel_mode: str = Field(nullable=False) # WALK, BICYCLE, TRANSIT
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duration_seconds: int = Field(nullable=False)
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distance_meters: int = Field(nullable=False)
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computed_at: datetime = Field(default_factory=datetime.utcnow)
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