spb/toit-ka Public

1// -----------------------------------------------------------------------------2// Author: Simon-Pierre Boucher3// Contact: contact@spboucher.ai4// Project: Toit-Ka5// kamaps/adapter.ts : adaptateur Toit-Ka -> MapProperty (framework Ka Maps).6//   L'univers (louer/acheter) devient listingType rent/sale — chaque famille a7//   son style de marqueur (voir theme.ts).8// -----------------------------------------------------------------------------9import type {10  BoundsQuery,11  BoundsQueryResult,12  KaDataAdapter,13  MapProperty,14} from "@groupe-ka/ka-maps";15import { bboxToString } from "@groupe-ka/ka-maps";16import type { ListingFilters } from "../api";1718interface ToitKaFeatureProps {19  uid: string;20  tx: "louer" | "acheter";21  title: string | null;22  address: string | null;23  price: number | null;24  price_label: string | null;25  type: string | null;26  bedrooms: number | null;27  bathrooms: number | null;28  source: string;29  city: string | null;30  sector: string | null;31  image: string | null;32}3334interface ToitKaFC {35  type: "FeatureCollection";36  features: {37    geometry: { coordinates: [number, number] };38    properties: ToitKaFeatureProps;39  }[];40  totalGeocoded?: number;41  totalMatching?: number;42}4344function toMapProperty(coords: [number, number], p: ToitKaFeatureProps): MapProperty {45  const louer = p.tx === "louer";46  return {47    id: p.uid,48    appSource: louer ? "lou-ka" : "immo-ka",49    longitude: coords[0],50    latitude: coords[1],51    kind: "listing",52    listingType: louer ? "rent" : "sale",53    price: p.price ?? undefined,54    propertyType: p.type ?? undefined,55    bedrooms: p.bedrooms ?? undefined,56    bathrooms: p.bathrooms ?? undefined,57    address: p.address ?? p.title ?? undefined,58    city: p.city ?? undefined,59    region: p.sector ?? undefined,60    thumbnailUrl: p.image ?? undefined,61    originalUrl: `/annonce/${encodeURIComponent(p.uid)}`,62    extra: {63      tx: p.tx,64      title: p.title,65      priceLabel: p.price_label,66      source: p.source,67    },68  };69}7071/** Adaptateur viewport -> données pour la carte Toit-Ka. */72export const toitKaMapAdapter: KaDataAdapter = {73  id: "toit-ka-listings",74  appSource: "immo-ka",75  async fetchInBounds(query: BoundsQuery): Promise<BoundsQueryResult> {76    const params = new URLSearchParams();77    const filters = (query.filters ?? {}) as Partial<ListingFilters>;78    for (const [k, v] of Object.entries(filters)) {79      if (v && k !== "sort") params.set(k, String(v));80    }81    params.set("bbox", bboxToString(query.bbox));82    params.set("limit", "3000");8384    const res = await fetch(`/api/listings.geojson?${params}`, {85      signal: query.signal,86    });87    if (!res.ok) throw new Error(`Carte : API ${res.status}`);88    const data = (await res.json()) as ToitKaFC;8990    return {91      properties: data.features.map((f) =>92        toMapProperty(f.geometry.coordinates, f.properties),93      ),94      totalCount: data.totalMatching,95    };96  },97};98