vrsao 2

app/Http/Controllers/InvestmentZoneController.php

@@ -17,6 +17,7 @@ use Illuminate\Validation\Rule;
 use Illuminate\Validation\ValidationException;
 use Inertia\Inertia;
 use Inertia\Response;
+use Symfony\Component\HttpFoundation\StreamedResponse;
 
 class InvestmentZoneController extends Controller
 {
@@ -92,7 +93,7 @@ class InvestmentZoneController extends Controller
         $publicColumns = array_values(array_filter($publicColumns, fn ($column) => Schema::hasColumn('investment_zones', $column)));
         $rows = $zones->search($filters, $management)->orderBy('name')->orderBy('id')
             ->paginate(12, $management ? ['*'] : $publicColumns)->withQueryString();
-        $rows->getCollection()->transform(function ($zone) use ($management) {
+        $rows->getCollection()->transform(function (InvestmentZone $zone) use ($management) {
             $territoryPath = app(InvestmentGeography::class)->path($zone->primary_territory_id, $management);
             $zone->setAttribute('province', collect($territoryPath)->firstWhere('location_type', 'province')->name ?? $zone->province);
             $zone->setAttribute('district', collect($territoryPath)->firstWhere('location_type', 'district')->name ?? $zone->district);
@@ -110,7 +111,7 @@ class InvestmentZoneController extends Controller
         return $request->is('api/*') ? response()->json($props) : Inertia::render('investment/zones', $props);
     }
 
-    public function export(Request $request, InvestmentZones $zones)
+    public function export(Request $request, InvestmentZones $zones): StreamedResponse
     {
         $filters = $request->validate(['category' => ['nullable', 'in:zee,zfi,industrial_park'], 'physical_category' => ['nullable', 'in:economic_zone,industrial_park,agro_industrial_park,industrial_logistics_park,industrial_free_zone,integrated_tourism_area,other,unknown'],
             'legal_regime' => ['nullable', 'in:zee,zfi,general,pending,not_applicable'], 'development_status' => ['nullable', 'in:announced,planned,in_development,partially_operational,operational,suspended,unknown'],
@@ -123,6 +124,9 @@ class InvestmentZoneController extends Controller
         return response()->streamDownload(function () use ($query): void {
             $geography = app(InvestmentGeography::class);
             $stream = fopen('php://output', 'wb');
+            if ($stream === false) {
+                throw new \RuntimeException('CSV output stream unavailable.');
+            }
             fwrite($stream, "\xEF\xBB\xBF");
             fputcsv($stream, ['Código', 'Nome', 'Categoria física', 'Regime', 'Desenvolvimento', 'Disponibilidade', 'Província', 'Distrito', 'Área declarada', 'Unidade', 'Fontes'], ';');
             $query->chunk(200, function ($zones) use ($stream, $geography): void {