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Add POI and POIDistance data models with migration

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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.
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Viktor Barzin 2026-02-08 13:13:05 +00:00
parent 9ff381106b
commit 5783d8fae9
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"""add poi tables
Revision ID: c5d6e7f8a9b0
Revises: b4c7d8e9f0a1
Create Date: 2026-02-08 12:00:00.000000
"""
from typing import Sequence, Union
from alembic import op
import sqlalchemy as sa
import sqlmodel
# revision identifiers, used by Alembic.
revision: str = 'c5d6e7f8a9b0'
down_revision: Union[str, None] = 'b4c7d8e9f0a1'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None
def upgrade() -> None:
"""Create pointofinterest and poidistance tables."""
op.create_table('pointofinterest',
sa.Column('id', sa.Integer(), nullable=False),
sa.Column('user_id', sa.Integer(), nullable=False),
sa.Column('name', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
sa.Column('address', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
sa.Column('latitude', sa.Float(), nullable=False),
sa.Column('longitude', sa.Float(), nullable=False),
sa.Column('created_at', sa.DateTime(), nullable=True,
server_default=sa.func.now()),
sa.ForeignKeyConstraint(['user_id'], ['user.id']),
sa.PrimaryKeyConstraint('id'),
)
op.create_index(op.f('ix_pointofinterest_user_id'),
'pointofinterest', ['user_id'], unique=False)
op.create_table('poidistance',
sa.Column('id', sa.Integer(), nullable=False),
sa.Column('listing_id', sa.Integer(), nullable=False),
sa.Column('listing_type', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
sa.Column('poi_id', sa.Integer(), nullable=False),
sa.Column('travel_mode', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
sa.Column('duration_seconds', sa.Integer(), nullable=False),
sa.Column('distance_meters', sa.Integer(), nullable=False),
sa.Column('computed_at', sa.DateTime(), nullable=True,
server_default=sa.func.now()),
sa.ForeignKeyConstraint(['poi_id'], ['pointofinterest.id']),
sa.PrimaryKeyConstraint('id'),
sa.UniqueConstraint('listing_id', 'listing_type', 'poi_id', 'travel_mode',
name='uq_poi_distance_listing_poi_mode'),
)
op.create_index(op.f('ix_poidistance_listing_id'),
'poidistance', ['listing_id'], unique=False)
op.create_index(op.f('ix_poidistance_listing_type'),
'poidistance', ['listing_type'], unique=False)
op.create_index(op.f('ix_poidistance_poi_id'),
'poidistance', ['poi_id'], unique=False)
def downgrade() -> None:
"""Drop poidistance and pointofinterest tables."""
op.drop_index(op.f('ix_poidistance_poi_id'), table_name='poidistance')
op.drop_index(op.f('ix_poidistance_listing_type'), table_name='poidistance')
op.drop_index(op.f('ix_poidistance_listing_id'), table_name='poidistance')
op.drop_table('poidistance')
op.drop_index(op.f('ix_pointofinterest_user_id'), table_name='pointofinterest')
op.drop_table('pointofinterest')