535 lines
21 KiB
TypeScript
535 lines
21 KiB
TypeScript
"use client";
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import { useState, useEffect, useRef, useCallback } from "react";
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import type { GeofabrikFeature, GeofabrikIndex } from "@transportationer/shared";
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import { CityIngestProgress } from "@/components/city-ingest-progress";
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// ─── Geofabrik region matching ────────────────────────────────────────────────
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function pointInRing(point: [number, number], ring: number[][]): boolean {
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const [px, py] = point;
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let inside = false;
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for (let i = 0, j = ring.length - 1; i < ring.length; j = i++) {
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const xi = ring[i][0], yi = ring[i][1];
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const xj = ring[j][0], yj = ring[j][1];
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if ((yi > py) !== (yj > py) && px < ((xj - xi) * (py - yi)) / (yj - yi) + xi) inside = !inside;
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}
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return inside;
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}
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function containsPoint(geometry: GeofabrikFeature["geometry"], point: [number, number]): boolean {
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if (!geometry) return false;
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if (geometry.type === "Polygon") return pointInRing(point, geometry.coordinates[0] as number[][]);
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return (geometry.coordinates as number[][][][]).some((poly) => pointInRing(point, poly[0] as number[][]));
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}
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function bboxArea(geometry: GeofabrikFeature["geometry"]): number {
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if (!geometry) return Infinity;
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const coords: number[][] =
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geometry.type === "Polygon"
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? (geometry.coordinates as number[][][]).flat()
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: (geometry.coordinates as number[][][][]).flat(2);
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const lngs = coords.map((c) => c[0]);
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const lats = coords.map((c) => c[1]);
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return (Math.max(...lngs) - Math.min(...lngs)) * (Math.max(...lats) - Math.min(...lats));
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}
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function findBestRegion(lat: number, lon: number, index: GeofabrikIndex): GeofabrikFeature | null {
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const point: [number, number] = [lon, lat];
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const candidates = index.features.filter(
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(f) => f.properties.urls?.pbf && f.geometry && containsPoint(f.geometry, point),
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);
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if (candidates.length === 0) return null;
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candidates.sort((a, b) => bboxArea(a.geometry) - bboxArea(b.geometry));
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return candidates[0];
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}
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// ─── Nominatim types + helpers ────────────────────────────────────────────────
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interface NominatimResult {
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place_id: number;
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display_name: string;
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lat: string;
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lon: string;
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type: string;
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class: string;
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place_rank: number;
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geojson?: { type: string; coordinates: unknown };
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address?: {
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city?: string;
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town?: string;
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village?: string;
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municipality?: string;
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country_code?: string;
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};
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}
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interface SubPolygon {
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id: number;
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coordinates: number[][][];
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selected: boolean;
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}
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function buildActiveBoundary(polys: SubPolygon[]): { type: string; coordinates: unknown } | null {
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const active = polys.filter((p) => p.selected);
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if (active.length === 0) return null;
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if (active.length === 1) return { type: "Polygon", coordinates: active[0].coordinates };
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return { type: "MultiPolygon", coordinates: active.map((p) => p.coordinates) };
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}
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const COUNTRIES = [
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{ code: "DE", label: "🇩🇪 Germany" },
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{ code: "NL", label: "🇳🇱 Netherlands" },
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{ code: "DK", label: "🇩🇰 Denmark" },
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];
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function toSlug(name: string): string {
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return name
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.toLowerCase()
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.normalize("NFD")
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.replace(/[\u0300-\u036f]/g, "")
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.replace(/[^a-z0-9]+/g, "-")
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.replace(/^-|-$/g, "");
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}
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// ─── Nominatim geocoder + mini map ────────────────────────────────────────────
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function LocationSelector({
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onBoundaryChange,
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onResultSelect,
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}: {
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onBoundaryChange: (boundary: { type: string; coordinates: unknown } | null) => void;
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onResultSelect?: (result: { name: string; countryCode: string; lat: number; lon: number } | null) => void;
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}) {
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const [query, setQuery] = useState("");
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const [results, setResults] = useState<NominatimResult[]>([]);
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const [selected, setSelected] = useState<NominatimResult | null>(null);
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const [showDropdown, setShowDropdown] = useState(false);
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const [searching, setSearching] = useState(false);
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const [subPolygons, setSubPolygons] = useState<SubPolygon[]>([]);
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const subPolygonsRef = useRef<SubPolygon[]>([]);
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const mapContainerRef = useRef<HTMLDivElement>(null);
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const mapRef = useRef<import("maplibre-gl").Map | null>(null);
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const mapReadyRef = useRef(false);
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const onBoundaryChangeRef = useRef(onBoundaryChange);
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onBoundaryChangeRef.current = onBoundaryChange;
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const onResultSelectRef = useRef(onResultSelect);
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onResultSelectRef.current = onResultSelect;
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// Keep ref in sync for map click handler.
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useEffect(() => { subPolygonsRef.current = subPolygons; }, [subPolygons]);
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// When the Nominatim result changes: extract sub-polygons + notify parent + fit map.
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useEffect(() => {
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if (!selected) {
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setSubPolygons([]);
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onResultSelectRef.current?.(null);
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return;
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}
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const name =
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selected.address?.city ??
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selected.address?.town ??
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selected.address?.village ??
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selected.address?.municipality ??
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selected.display_name.split(",")[0].trim();
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onResultSelectRef.current?.({
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name,
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countryCode: (selected.address?.country_code ?? "").toUpperCase(),
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lat: parseFloat(selected.lat),
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lon: parseFloat(selected.lon),
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});
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const geojson = selected.geojson;
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if (!geojson) { setSubPolygons([]); return; }
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const polys: SubPolygon[] =
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geojson.type === "Polygon"
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? [{ id: 0, coordinates: geojson.coordinates as number[][][], selected: true }]
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: (geojson.coordinates as number[][][][]).map((coords, i) => ({
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id: i, coordinates: coords, selected: true,
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}));
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setSubPolygons(polys);
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// Fit map to full extent of all sub-polygons.
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const map = mapRef.current;
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if (map && mapReadyRef.current) {
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const allCoords = polys.flatMap((sp) => sp.coordinates.flat()) as number[][];
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const lngs = allCoords.map((c) => c[0]);
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const lats = allCoords.map((c) => c[1]);
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map.fitBounds(
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[Math.min(...lngs), Math.min(...lats), Math.max(...lngs), Math.max(...lats)],
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{ padding: 40, duration: 500 },
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);
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}
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}, [selected]);
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// Whenever sub-polygons change: update map sources + propagate active boundary.
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useEffect(() => {
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onBoundaryChangeRef.current(buildActiveBoundary(subPolygons));
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const map = mapRef.current;
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if (!map || !mapReadyRef.current) return;
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// Boundary source — one feature per sub-polygon with `selected` property for styling.
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const features = subPolygons.map((sp) => ({
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type: "Feature" as const,
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id: sp.id,
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properties: { id: sp.id, selected: sp.selected },
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geometry: { type: "Polygon" as const, coordinates: sp.coordinates },
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}));
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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(map.getSource("area-boundary") as any)?.setData({ type: "FeatureCollection", features });
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// Bbox from selected sub-polygons only.
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const active = subPolygons.filter((sp) => sp.selected);
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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const bboxSrc = map.getSource("area-bbox") as any;
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if (active.length > 0) {
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const allCoords = active.flatMap((sp) => sp.coordinates.flat()) as number[][];
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const lngs = allCoords.map((c) => c[0]);
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const lats = allCoords.map((c) => c[1]);
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const [minLng, minLat, maxLng, maxLat] = [
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Math.min(...lngs), Math.min(...lats), Math.max(...lngs), Math.max(...lats),
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];
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bboxSrc?.setData({
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type: "Feature",
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geometry: { type: "Polygon", coordinates: [[[minLng, minLat], [maxLng, minLat], [maxLng, maxLat], [minLng, maxLat], [minLng, minLat]]] },
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properties: {},
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});
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} else {
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bboxSrc?.setData({ type: "FeatureCollection", features: [] });
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}
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}, [subPolygons]);
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// Debounced Nominatim search.
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useEffect(() => {
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if (query.length < 2) { setResults([]); return; }
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const timer = setTimeout(async () => {
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setSearching(true);
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try {
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const res = await fetch(
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`https://nominatim.openstreetmap.org/search?q=${encodeURIComponent(query)}&polygon_geojson=1&addressdetails=1&format=json&limit=8`,
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{ headers: { "User-Agent": "Transportationer/1.0 (15-minute city analyzer)" } },
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);
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const data: NominatimResult[] = await res.json();
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setResults(data.filter(
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(r) => r.geojson?.type === "Polygon" || r.geojson?.type === "MultiPolygon",
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));
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setShowDropdown(true);
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} catch {
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setResults([]);
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} finally {
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setSearching(false);
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}
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}, 500);
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return () => clearTimeout(timer);
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}, [query]);
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// Initialize mini map.
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useEffect(() => {
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if (!mapContainerRef.current) return;
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let cancelled = false;
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(async () => {
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const mgl = await import("maplibre-gl");
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const { Protocol } = await import("pmtiles");
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if (cancelled) return;
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try { mgl.addProtocol("pmtiles", new Protocol().tile); } catch { /* already registered */ }
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const map = new mgl.Map({
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container: mapContainerRef.current!,
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style: "/tiles/style.json",
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center: [10, 51],
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zoom: 3,
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});
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mapRef.current = map;
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map.on("load", () => {
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if (cancelled) return;
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mapReadyRef.current = true;
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// Boundary — data-driven colour based on `selected` property.
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map.addSource("area-boundary", { type: "geojson", data: { type: "FeatureCollection", features: [] } });
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map.addLayer({
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id: "area-boundary-fill", type: "fill", source: "area-boundary",
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paint: {
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"fill-color": ["case", ["==", ["get", "selected"], true], "#2563eb", "#94a3b8"],
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"fill-opacity": ["case", ["==", ["get", "selected"], true], 0.15, 0.05],
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},
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});
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map.addLayer({
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id: "area-boundary-line", type: "line", source: "area-boundary",
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paint: {
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"line-color": ["case", ["==", ["get", "selected"], true], "#2563eb", "#94a3b8"],
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"line-width": ["case", ["==", ["get", "selected"], true], 2, 0.75],
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},
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});
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// Bbox rectangle.
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map.addSource("area-bbox", { type: "geojson", data: { type: "FeatureCollection", features: [] } });
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map.addLayer({
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id: "area-bbox-line", type: "line", source: "area-bbox",
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paint: { "line-color": "#f59e0b", "line-width": 1.5, "line-dasharray": [4, 3] },
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});
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// Click a sub-polygon to toggle it.
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map.on("click", "area-boundary-fill", (e) => {
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const id = e.features?.[0]?.properties?.id as number | undefined;
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if (id == null) return;
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setSubPolygons((prev) =>
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prev.map((sp) => sp.id === id ? { ...sp, selected: !sp.selected } : sp),
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);
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});
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map.on("mouseenter", "area-boundary-fill", () => { map.getCanvas().style.cursor = "pointer"; });
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map.on("mouseleave", "area-boundary-fill", () => { map.getCanvas().style.cursor = ""; });
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// Apply pending sub-polygons if the map loaded after a selection was made.
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const pending = subPolygonsRef.current;
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if (pending.length > 0) {
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const features = pending.map((sp) => ({
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type: "Feature" as const, id: sp.id,
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properties: { id: sp.id, selected: sp.selected },
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geometry: { type: "Polygon" as const, coordinates: sp.coordinates },
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}));
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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(map.getSource("area-boundary") as any)?.setData({ type: "FeatureCollection", features });
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}
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});
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})();
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return () => {
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cancelled = true;
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mapReadyRef.current = false;
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mapRef.current?.remove();
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mapRef.current = null;
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};
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}, []); // eslint-disable-line react-hooks/exhaustive-deps
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const selectedCount = subPolygons.filter((sp) => sp.selected).length;
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return (
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<div className="space-y-3">
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<div className="relative">
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<div className="flex gap-2 items-center">
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<input
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type="search"
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placeholder="Search for a city or municipality…"
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value={query}
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onChange={(e) => {
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setQuery(e.target.value);
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if (!e.target.value) { setSelected(null); setResults([]); }
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}}
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onFocus={() => results.length > 0 && setShowDropdown(true)}
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className="block w-full rounded-md border border-gray-300 px-3 py-2 text-sm focus:border-brand-500 focus:outline-none focus:ring-1 focus:ring-brand-500"
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/>
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{searching && <span className="text-xs text-gray-400 whitespace-nowrap">Searching…</span>}
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</div>
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{showDropdown && results.length > 0 && (
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<div className="absolute z-20 left-0 right-0 top-full mt-1 bg-white border border-gray-200 rounded-md shadow-lg max-h-56 overflow-y-auto">
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{results.map((r) => (
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<button
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key={r.place_id}
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type="button"
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onClick={() => { setSelected(r); setQuery(r.display_name.split(",").slice(0, 3).join(", ")); setShowDropdown(false); }}
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className="w-full text-left px-3 py-2 text-sm hover:bg-gray-50 border-b border-gray-100 last:border-0"
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>
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<span className="font-medium text-gray-800">{r.display_name.split(",")[0]}</span>
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<span className="text-gray-400 ml-1 text-xs">{r.display_name.split(",").slice(1, 3).join(",")}</span>
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<span className="ml-2 text-xs text-blue-500">{r.geojson?.type}</span>
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</button>
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))}
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</div>
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)}
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</div>
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<div ref={mapContainerRef} className="w-full rounded-md border border-gray-200 overflow-hidden" style={{ height: 220 }} />
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{subPolygons.length > 1 ? (
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<p className="text-xs text-gray-500">
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{selectedCount} of {subPolygons.length} parts selected
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{selectedCount < subPolygons.length && (
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<button
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type="button"
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onClick={() => setSubPolygons((prev) => prev.map((sp) => ({ ...sp, selected: true })))}
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className="ml-2 text-brand-600 hover:underline"
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>
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select all
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</button>
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)}
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{" · "}
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<span className="text-gray-400">click on the map to toggle</span>
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</p>
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) : selected?.geojson ? (
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<p className="text-xs text-green-700">
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✓ {selected.display_name.split(",").slice(0, 2).join(", ")} ({selected.geojson.type})
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</p>
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) : (
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<p className="text-xs text-gray-400">
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Search for a city to set its administrative boundary and auto-fill the fields below.
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</p>
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)}
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</div>
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);
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}
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// ─── Main page ────────────────────────────────────────────────────────────────
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export default function AddCityPage() {
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const [name, setName] = useState("");
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const [slug, setSlug] = useState("");
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const [countryCode, setCountryCode] = useState("");
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const [boundary, setBoundary] = useState<{ type: string; coordinates: unknown } | null>(null);
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const [matchedRegion, setMatchedRegion] = useState<GeofabrikFeature | null>(null);
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const [jobId, setJobId] = useState<string | null>(null);
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const [error, setError] = useState<string | null>(null);
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const [loading, setLoading] = useState(false);
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const geofabrikIndexRef = useRef<GeofabrikIndex | null>(null);
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useEffect(() => {
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fetch("/api/admin/geofabrik")
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.then((r) => r.json())
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.then((data: GeofabrikIndex) => { geofabrikIndexRef.current = data; })
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.catch(() => {});
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}, []);
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const geofabrikUrl = matchedRegion?.properties.urls?.pbf ?? undefined;
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const handleBoundaryChange = useCallback(
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(b: { type: string; coordinates: unknown } | null) => setBoundary(b),
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[],
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);
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const handleResultSelect = useCallback(
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(result: { name: string; countryCode: string; lat: number; lon: number } | null) => {
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if (!result) { setMatchedRegion(null); return; }
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setName(result.name);
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setSlug(toSlug(result.name));
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setCountryCode(COUNTRIES.some((c) => c.code === result.countryCode) ? result.countryCode : "");
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setMatchedRegion(
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geofabrikIndexRef.current
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? findBestRegion(result.lat, result.lon, geofabrikIndexRef.current)
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: null,
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);
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},
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[],
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);
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const handleSubmit = async () => {
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if (!slug || !name || !geofabrikUrl) return;
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setLoading(true);
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setError(null);
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try {
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const res = await fetch("/api/admin/cities", {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify({
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slug, name, countryCode, geofabrikUrl,
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...(boundary ? { boundary } : {}),
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}),
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});
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if (!res.ok) {
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const data = await res.json();
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setError(data.error ?? "Failed to start ingestion");
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return;
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}
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const data = await res.json();
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setJobId(data.jobId);
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} catch (e) {
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setError(String(e));
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} finally {
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setLoading(false);
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}
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};
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if (jobId) {
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return (
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<div className="max-w-2xl mx-auto">
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<div className="flex items-center gap-4 mb-6">
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<a href="/admin" className="text-sm text-gray-500 hover:text-gray-700">← Back</a>
|
|
<h1 className="text-2xl font-bold text-gray-900">Adding {name}…</h1>
|
|
</div>
|
|
<CityIngestProgress jobId={jobId} />
|
|
</div>
|
|
);
|
|
}
|
|
|
|
return (
|
|
<div className="max-w-2xl mx-auto">
|
|
<h1 className="text-2xl font-bold text-gray-900 mb-2">Add City</h1>
|
|
<p className="text-sm text-gray-500 mb-6">Search for a city to configure and start ingestion.</p>
|
|
|
|
{error && <div className="mb-4 p-3 bg-red-50 rounded text-sm text-red-700">{error}</div>}
|
|
|
|
<div className="card space-y-5">
|
|
<div>
|
|
<label className="block text-sm font-medium text-gray-700 mb-2">
|
|
City Boundary{" "}
|
|
<span className="text-gray-400 font-normal">(optional — auto-fills fields below)</span>
|
|
</label>
|
|
<LocationSelector onBoundaryChange={handleBoundaryChange} onResultSelect={handleResultSelect} />
|
|
</div>
|
|
|
|
<div className="grid grid-cols-2 gap-4">
|
|
<div>
|
|
<label className="block text-sm font-medium text-gray-700 mb-1">Display Name</label>
|
|
<input
|
|
value={name}
|
|
onChange={(e) => setName(e.target.value)}
|
|
placeholder="Hamburg"
|
|
className="block w-full rounded-md border border-gray-300 px-3 py-2 text-sm focus:border-brand-500 focus:outline-none focus:ring-1 focus:ring-brand-500"
|
|
/>
|
|
</div>
|
|
<div>
|
|
<label className="block text-sm font-medium text-gray-700 mb-1">
|
|
Slug <span className="text-gray-400">(URL identifier)</span>
|
|
</label>
|
|
<input
|
|
value={slug}
|
|
onChange={(e) => setSlug(e.target.value.toLowerCase().replace(/[^a-z0-9-]/g, "-"))}
|
|
placeholder="hamburg"
|
|
className="block w-full rounded-md border border-gray-300 px-3 py-2 text-sm font-mono focus:border-brand-500 focus:outline-none focus:ring-1 focus:ring-brand-500"
|
|
/>
|
|
</div>
|
|
</div>
|
|
|
|
<div className="grid grid-cols-2 gap-4">
|
|
<div>
|
|
<label className="block text-sm font-medium text-gray-700 mb-1">Country</label>
|
|
<select
|
|
value={countryCode}
|
|
onChange={(e) => setCountryCode(e.target.value)}
|
|
className="block w-full rounded-md border border-gray-300 px-3 py-2 text-sm focus:border-brand-500 focus:outline-none focus:ring-1 focus:ring-brand-500"
|
|
>
|
|
<option value="">— no transit —</option>
|
|
{COUNTRIES.map((c) => (
|
|
<option key={c.code} value={c.code}>{c.label}</option>
|
|
))}
|
|
</select>
|
|
{!countryCode && (
|
|
<p className="mt-1 text-xs text-amber-600">No transit scoring without a country.</p>
|
|
)}
|
|
</div>
|
|
<div>
|
|
<label className="block text-sm font-medium text-gray-700 mb-1">OSM Source</label>
|
|
<div className={`rounded-md border px-3 py-2 text-xs break-all leading-relaxed ${
|
|
geofabrikUrl ? "border-green-200 bg-green-50 text-green-800" : "border-gray-200 bg-gray-50 text-gray-400"
|
|
}`}>
|
|
{geofabrikUrl
|
|
? geofabrikUrl.replace("https://download.geofabrik.de/", "")
|
|
: "Select a city above"}
|
|
</div>
|
|
</div>
|
|
</div>
|
|
|
|
<div className="flex justify-end pt-1">
|
|
<button
|
|
onClick={handleSubmit}
|
|
disabled={loading || !slug || !name || !geofabrikUrl}
|
|
className="btn-primary"
|
|
>
|
|
{loading ? "Starting…" : "Start Ingestion"}
|
|
</button>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
);
|
|
}
|