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house-elo-ranking/backend/app/queries.py
2026-03-06 12:25:07 +00:00

69 lines
2.6 KiB
Python

"""Shared query helpers for listing data."""
from app.config import settings
from app.schemas import ListingResponse
LISTING_SELECT = f"""
SELECT
l.global_id, l.tiny_id, l.url, l.title, l.city, l.postcode,
l.province, l.neighbourhood, l.municipality,
l.latitude, l.longitude,
l.object_type, l.house_type, l.offering_type,
l.construction_type, l.construction_year,
l.energy_label, l.living_area, l.plot_area,
l.bedrooms, l.rooms,
l.has_garden, l.has_balcony, l.has_solar_panels,
l.has_heat_pump, l.has_roof_terrace,
l.is_energy_efficient, l.is_monument,
l.current_price, l.status, l.price_per_sqm,
l.publication_date,
COALESCE(r.elo_rating, {settings.DEFAULT_ELO}) AS elo_rating,
COALESCE(r.comparison_count, 0) AS comparison_count,
COALESCE(r.wins, 0) AS wins,
COALESCE(r.losses, 0) AS losses
FROM {settings.LISTINGS_SCHEMA}.{settings.LISTINGS_TABLE} l
LEFT JOIN {settings.ELO_SCHEMA}.ratings r ON l.global_id = r.global_id
"""
def row_to_listing(row) -> ListingResponse:
"""Convert a raw SQL row to a ListingResponse."""
return ListingResponse(
global_id=row.global_id,
tiny_id=row.tiny_id,
url=row.url,
title=row.title,
city=row.city,
postcode=row.postcode,
province=row.province,
neighbourhood=row.neighbourhood,
municipality=row.municipality,
latitude=float(row.latitude) if row.latitude is not None else None,
longitude=float(row.longitude) if row.longitude is not None else None,
object_type=row.object_type,
house_type=row.house_type,
offering_type=row.offering_type,
construction_type=row.construction_type,
construction_year=row.construction_year,
energy_label=row.energy_label,
living_area=row.living_area,
plot_area=row.plot_area,
bedrooms=row.bedrooms,
rooms=row.rooms,
has_garden=row.has_garden,
has_balcony=row.has_balcony,
has_solar_panels=row.has_solar_panels,
has_heat_pump=row.has_heat_pump,
has_roof_terrace=row.has_roof_terrace,
is_energy_efficient=row.is_energy_efficient,
is_monument=row.is_monument,
current_price=row.current_price,
status=row.status,
price_per_sqm=float(row.price_per_sqm) if row.price_per_sqm is not None else None,
publication_date=row.publication_date,
elo_rating=round(float(row.elo_rating), 1),
comparison_count=int(row.comparison_count),
wins=int(row.wins),
losses=int(row.losses),
)