mirror of
https://github.com/serialexperiments0815/Dilomarkt---Digitaler-Lokalmarkt.git
synced 2026-07-12 15:32:19 +00:00
91 lines
3.8 KiB
PHP
91 lines
3.8 KiB
PHP
<?php
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namespace App\Http\Controllers;
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use Illuminate\Http\Request;
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use Illuminate\Support\Facades\DB;
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class ProductController extends Controller {
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private function haversine(float $lat1, float $lng1, float $lat2, float $lng2): float {
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$R = 6371;
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$dLat = ($lat2 - $lat1) * M_PI / 180;
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$dLng = ($lng2 - $lng1) * M_PI / 180;
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$a = sin($dLat/2)**2 + cos($lat1 * M_PI/180) * cos($lat2 * M_PI/180) * sin($dLng/2)**2;
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return round($R * 2 * asin(sqrt($a)), 1);
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}
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private function resolvePlz(string $plz): array {
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$coords = [
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'42103' => [51.2562, 7.1508],
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'42107' => [51.2637, 7.1362],
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'42119' => [51.2700, 7.1800],
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'42277' => [51.2800, 7.2100],
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'42651' => [51.1800, 7.0800],
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'42853' => [51.1800, 7.1900],
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'40210' => [51.2217, 6.7762],
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'44135' => [51.5139, 7.4653],
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'45127' => [51.4556, 7.0116],
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'47051' => [51.4344, 6.7623],
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'50667' => [50.9333, 6.9500],
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];
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return $coords[$plz] ?? [51.2562, 7.1508];
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}
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public function index(Request $request) {
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[$lat, $lng] = $this->resolvePlz($request->input('plz', '42103'));
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$radius = (float) $request->input('radius', 20);
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$q = $request->input('q', '');
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$category = $request->input('category', '');
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$maxPrice = (float) $request->input('max_price', 9999);
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$type = $request->input('type', '');
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$query = DB::table('products')
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->join('providers', 'products.provider_id', '=', 'providers.id')
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->select(
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'products.id', 'products.title', 'products.price',
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'products.icon', 'products.category', 'products.description', 'products.stock',
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'providers.id as provider_id', 'providers.name as provider',
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'providers.type as provider_type', 'providers.verified',
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'providers.lat', 'providers.lng'
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)
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->where('products.price', '<=', $maxPrice);
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if ($q) $query->where('products.title', 'like', "%$q%");
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if ($category) $query->where('products.category', $category);
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if ($type) $query->where('providers.type', $type);
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$results = $query->get()->map(function ($p) use ($lat, $lng, $radius) {
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$p->distance = $this->haversine($lat, $lng, $p->lat, $p->lng);
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unset($p->lat, $p->lng);
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return $p;
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})->filter(fn($p) => $p->distance <= $radius)
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->sortBy('distance')
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->values();
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return response()->json($results);
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}
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public function show(int $id) {
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$product = DB::table('products')
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->join('providers', 'products.provider_id', '=', 'providers.id')
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->select('products.*', 'providers.name as provider', 'providers.id as provider_id',
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'providers.address', 'providers.city', 'providers.zip',
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'providers.type as provider_type', 'providers.verified',
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'providers.since', 'providers.initials')
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->where('products.id', $id)
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->first();
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if (!$product) return response()->json(['error' => 'Not found'], 404);
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$alternatives = DB::table('products')
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->join('providers', 'products.provider_id', '=', 'providers.id')
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->select('products.id', 'products.title', 'products.price', 'providers.name as provider')
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->where('products.category', $product->category)
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->where('products.id', '!=', $id)
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->where('products.provider_id', '!=', $product->provider_id) // <- das fehlte
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->orderBy('products.price')
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->get();
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return response()->json(['product' => $product, 'alternatives' => $alternatives]);
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}
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}
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