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seems alright

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This commit is contained in:
Andras Schmelczer 2026-05-17 13:52:11 +01:00
parent ebe7bbb51d
commit eac1bd0d13
58 changed files with 23125 additions and 153505 deletions
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47
frontend/src/hooks/useListingLayers.ts
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@ -45,31 +45,46 @@ export function useListingLayers({
}: UseListingLayersProps) {
const [popupInfo, setPopupInfo] = useState<ListingPopupInfo | null>(null);
const visibleListings = useMemo(() => {
if (listings.length === 0) return listings;
if (usePostcodeView) {
const allowed = new Set<string>();
for (const feature of postcodeData) {
if (feature.properties.count > 0) {
allowed.add(normalizePostcode(feature.properties.postcode));
}
}
if (allowed.size === 0) return [];
return listings.filter((listing) => allowed.has(normalizePostcode(listing.postcode)));
}
// Split into two memos so the inactive view's data changes don't invalidate
// the active filtered list. (e.g. in postcode view, hexagonData updates must
// not retrigger filtering / downstream layer rebuilds.)
const postcodeFilteredListings = useMemo(() => {
if (!usePostcodeView || listings.length === 0) return null;
const allowed = new Set<string>();
for (const cell of hexagonData) {
if (cell.count > 0) allowed.add(cell.h3);
for (const feature of postcodeData) {
if (feature.properties.count > 0) {
allowed.add(normalizePostcode(feature.properties.postcode));
}
}
if (allowed.size === 0) return [];
return listings.filter((listing) => allowed.has(normalizePostcode(listing.postcode)));
}, [listings, postcodeData, usePostcodeView]);
const hexFilteredListings = useMemo(() => {
if (usePostcodeView || listings.length === 0) return null;
const allowed = new Set<string>();
let cellResolution: number | null = null;
for (const cell of hexagonData) {
if (cell.count > 0) {
allowed.add(cell.h3);
if (cellResolution == null) cellResolution = getResolution(cell.h3);
}
}
if (allowed.size === 0 || cellResolution == null) return [];
const resolutionForLookup = cellResolution;
return listings.filter((listing) => {
try {
return allowed.has(latLngToCell(listing.lat, listing.lon, resolution));
return allowed.has(latLngToCell(listing.lat, listing.lon, resolutionForLookup));
} catch {
return false;
}
});
}, [listings, hexagonData, postcodeData, resolution, usePostcodeView]);
}, [listings, hexagonData, usePostcodeView]);
const visibleListings = useMemo(() => {
if (listings.length === 0) return listings;
return (usePostcodeView ? postcodeFilteredListings : hexFilteredListings) ?? [];
}, [listings, usePostcodeView, postcodeFilteredListings, hexFilteredListings]);
const handleHover = useCallback((info: PickingInfo<ActualListing>) => {
if (info.object && info.x !== undefined && info.y !== undefined) {