Feat: Shipping functionalities redesign, elta courier integration, commenting out acs since no integration can happen, flow updates

src/Shipping/Http/Controllers/DownloadShipmentLabelsController.php

@@ -0,0 +1,48 @@
+<?php
+
+namespace Modules\Core\Shipping\Http\Controllers;
+
+use Illuminate\Http\Request;
+use Illuminate\Routing\Controller;
+use Modules\Core\Shipping\Contracts\CarrierFulfillmentInterface;
+use Modules\Core\Shipping\Contracts\SupportsBatchLabels;
+use Modules\Core\Shipping\Models\Shipment;
+
+/**
+ * The Pending Vouchers screen's "Print selected": several shipments' labels
+ * as one PDF. Same signed-URL auth as DownloadShipmentLabelController —
+ * the ids are part of the signed query string, so they can't be changed.
+ * All shipments must be one carrier's (the screen's tabs are per carrier)
+ * and that carrier must implement SupportsBatchLabels.
+ */
+class DownloadShipmentLabelsController extends Controller
+{
+    public function __invoke(Request $request)
+    {
+        if (! $request->hasValidSignature()) {
+            abort(401);
+        }
+
+        $ids = array_filter(array_map('intval', explode(',', (string) $request->query('ids'))));
+
+        $shipments = Shipment::whereIn('id', $ids)->orderBy('id')->get()
+            ->filter(fn (Shipment $shipment) => $shipment->hasCarrierLabel());
+
+        $carriers = $shipments->pluck('carrier')->unique();
+
+        if ($shipments->isEmpty() || $carriers->count() !== 1) {
+            abort(404);
+        }
+
+        $service = app(CarrierFulfillmentInterface::class, ['carrier' => $carriers->first()]);
+
+        if (! $service instanceof SupportsBatchLabels) {
+            abort(404);
+        }
+
+        return response($service->printLabels($shipments), 200, [
+            'Content-Type' => 'application/pdf',
+            'Content-Disposition' => 'inline; filename="labels-'.now()->format('Ymd-His').'.pdf"',
+        ]);
+    }
+}