7101ed3550
Extends NearbyStationsRequest to accept `postcode` (full or outcode) as an alternative to lat/lng. PostcodeService resolves it via postcodes.io and falls through to coordinates. Also adds SearchResource to the Filament admin panel for viewing logged search activity with fuel type filter and price/distance stats columns. Includes SQLite GREATEST/LEAST function polyfills in AppServiceProvider for test compatibility. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
88 lines
3.2 KiB
PHP
88 lines
3.2 KiB
PHP
<?php
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namespace App\Http\Controllers\Api;
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use App\Http\Controllers\Controller;
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use App\Http\Requests\Api\NearbyStationsRequest;
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use App\Http\Resources\Api\StationResource;
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use App\Models\Search;
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use App\Models\Station;
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use App\Services\PostcodeService;
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use Illuminate\Database\Query\JoinClause;
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use Illuminate\Http\JsonResponse;
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use Illuminate\Validation\ValidationException;
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class StationController extends Controller
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{
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public function __construct(private readonly PostcodeService $postcodeService) {}
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public function index(NearbyStationsRequest $request): JsonResponse
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{
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if ($request->filled('postcode')) {
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$location = $this->postcodeService->resolve($request->string('postcode')->toString());
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if ($location === null) {
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throw ValidationException::withMessages(['postcode' => 'Postcode not found.']);
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}
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$lat = $location->lat;
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$lng = $location->lng;
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} else {
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$lat = (float) $request->input('lat');
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$lng = (float) $request->input('lng');
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}
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$fuelType = $request->fuelType();
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$radius = $request->radius();
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$sort = $request->sort();
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$all = Station::query()
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->selectRaw(
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'stations.*, spc.price_pence, spc.fuel_type, spc.price_effective_at,
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(6371 * acos(GREATEST(-1.0, LEAST(1.0,
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cos(radians(?)) * cos(radians(lat)) * cos(radians(lng) - radians(?))
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+ sin(radians(?)) * sin(radians(lat))
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)))) AS distance_km',
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[$lat, $lng, $lat],
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)
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->join('station_prices_current as spc', function (JoinClause $join) use ($fuelType): void {
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$join->on('stations.node_id', '=', 'spc.station_id')
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->where('spc.fuel_type', '=', $fuelType->value);
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})
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->where('stations.temporary_closure', false)
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->where('stations.permanent_closure', false)
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->get();
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$stations = $all
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->filter(fn ($s) => (float) $s->distance_km <= $radius)
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->sortBy($sort === 'price' ? 'price_pence' : 'distance_km')
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->values();
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$prices = $stations->pluck('price_pence');
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Search::create([
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'lat_bucket' => round($lat, 2),
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'lng_bucket' => round($lng, 2),
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'fuel_type' => $fuelType->value,
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'results_count' => $stations->count(),
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'lowest_pence' => $prices->min(),
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'highest_pence' => $prices->max(),
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'avg_pence' => $prices->isNotEmpty() ? round($prices->avg(), 2) : null,
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'searched_at' => now(),
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'ip_hash' => hash('sha256', $request->ip() ?? ''),
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]);
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return response()->json([
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'data' => StationResource::collection($stations),
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'meta' => [
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'count' => $stations->count(),
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'fuel_type' => $fuelType->value,
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'radius_km' => $radius,
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'lowest_pence' => $prices->min(),
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'highest_pence' => $prices->max(),
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'cheapest_price_pence' => $prices->min(),
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'avg_pence' => $prices->isNotEmpty() ? round($prices->avg(), 2) : null,
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],
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]);
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}
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}
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