feat: unfiltered product export for the website's catalogue import

src/Model/Export.php

@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Model;
+
+/**
+ * A whole travel-date x hotel export plus the counters that describe how it was built.
+ *
+ * Held in the bpn.cache pool as one unit and paginated in the controller, which is what
+ * makes the counters identical on every page: they describe the export, not the page, so a
+ * consumer can read them once and abort the page walk on the first response.
+ *
+ * @see \App\Service\TravelExportBuilder
+ * @see \App\Service\ProductExportBuilder
+ */
+final readonly class Export
+{
+    /**
+     * @param list<array<string, mixed>> $rows                     one row per (travel, hotel) pair
+     * @param int                        $skipped                  (travel, hotel) pairs dropped as unusable
+     * @param int                        $pickupsWithoutMasterData distinct pickup ids absent from zustiege.xml
+     * @param \DateTimeImmutable|null    $sourceGeneratedAt        the uebertragung.info timestamp of the export read, null if unknown
+     */
+    public function __construct(
+        public array $rows,
+        public int $skipped,
+        public int $pickupsWithoutMasterData,
+        public \DateTimeImmutable $generatedAt,
+        public ?\DateTimeImmutable $sourceGeneratedAt = null,
+    ) {
+    }
+}