spb/house-ka

1// -----------------------------------------------------------------------------2// Author: Simon-Pierre Boucher3// Contact: contact@spboucher.ai4// Project: Groupe Ka / Ka Maps (House-Ka integration)5// kamaps/adapter.ts : House-Ka → MapProperty adapter.6// -----------------------------------------------------------------------------7import type {8  BoundsQuery,9  BoundsQueryResult,10  KaDataAdapter,11  MapProperty,12} from "@groupe-ka/ka-maps";13import { bboxToString } from "@groupe-ka/ka-maps";14import type { ListingFilters } from "../api";1516interface HouseKaFeatureProps {17  uid: string;18  title: string | null;19  address: string | null;20  price: number | null;21  price_label: string | null;22  property_type: string | null;23  bedrooms: number | null;24  bathrooms: number | null;25  source: string;26  city: string | null;27  sector: string | null;28  image: string | null;29}3031interface HouseKaFC {32  type: "FeatureCollection";33  features: {34    geometry: { coordinates: [number, number] };35    properties: HouseKaFeatureProps;36  }[];37  totalGeocoded?: number;38  totalMatching?: number;39}4041function toMapProperty(42  coords: [number, number],43  p: HouseKaFeatureProps,44): MapProperty {45  return {46    id: p.uid,47    appSource: "house-ka",48    longitude: coords[0],49    latitude: coords[1],50    kind: "listing",51    listingType: "sale",52    price: p.price ?? undefined,53    propertyType: p.property_type ?? undefined,54    bedrooms: p.bedrooms ?? undefined,55    bathrooms: p.bathrooms ?? undefined,56    address: p.address ?? p.title ?? undefined,57    city: p.city ?? undefined,58    region: p.sector ?? undefined,59    thumbnailUrl: p.image ?? undefined,60    originalUrl: `/property/${encodeURIComponent(p.uid)}`,61    highlight: false,62    extra: {63      title: p.title,64      priceLabel: p.price_label,65      source: p.source,66    },67  };68}6970/** Viewport→data adapter for the House-Ka map. */71export const houseKaMapAdapter: KaDataAdapter = {72  id: "house-ka-listings",73  appSource: "house-ka",74  async fetchInBounds(query: BoundsQuery): Promise<BoundsQueryResult> {75    const params = new URLSearchParams();76    const filters = (query.filters ?? {}) as Partial<ListingFilters>;77    for (const [k, v] of Object.entries(filters)) {78      if (v && k !== "sort") params.set(k, String(v));79    }80    params.set("bbox", bboxToString(query.bbox));81    params.set("limit", "3000");8283    const res = await fetch(`/api/listings.geojson?${params}`, {84      signal: query.signal,85    });86    if (!res.ok) throw new Error(`Map: API ${res.status}`);87    const data = (await res.json()) as HouseKaFC;8889    return {90      properties: data.features.map((f) =>91        toMapProperty(f.geometry.coordinates, f.properties),92      ),93      totalCount: data.totalMatching,94    };95  },96};97