fix(site-finder): nearest_top3 metro from osm_poi_ekb (#1667) #1670
1 changed files with 38 additions and 2 deletions
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@ -2127,8 +2127,44 @@ def analyze_parcel(
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except Exception as e:
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logger.warning("red_lines_block query failed for %s: %s", cad_num, e)
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# B5-4) Metro placeholder — заполнится после merge 22h metro scraper
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metro_block: dict[str, Any] = {"nearest_top3": None}
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# B5-4) Metro — ближайшие 3 станции метро к участку.
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# Данные уже в osm_poi_ekb (category='metro_stop', грузятся poi_loader.py:44),
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# скрапер не нужен — прямой KNN-запрос по geom <-> centroid участка.
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# nearest_top3=[] (НЕ None) когда метро не найдено: отличаем "посчитано, рядом
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# нет" от "не реализовано". None только при ошибке запроса.
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metro_block: dict[str, Any] = {"nearest_top3": []}
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try:
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with db.begin_nested():
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metro_rows = (
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db.execute(
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text("""
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SELECT name,
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ST_Distance(
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m.geom::geography,
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ST_Centroid(ST_GeomFromText(:wkt, 4326))::geography
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) AS dist_m
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FROM osm_poi_ekb m
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WHERE m.category = 'metro_stop'
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ORDER BY m.geom <-> ST_Centroid(ST_GeomFromText(:wkt, 4326))
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LIMIT 3
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"""),
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{"wkt": geom_wkt},
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)
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.mappings()
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.all()
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)
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metro_block = {
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"nearest_top3": [
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{
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"name": mr["name"],
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"distance_m": round(float(mr["dist_m"])) if mr["dist_m"] is not None else None,
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}
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for mr in metro_rows
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]
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}
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except Exception as e:
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logger.warning("metro_block query failed for %s: %s", cad_num, e)
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metro_block = {"nearest_top3": None}
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# B5-5) District price ranges из objective_lots (SF-B5)
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district_price_block: dict[str, Any] = {
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