Feat: Restructuring MigrateImport, Dispatching a per product job for import

src/MigrateImport/Jobs/RunMigrateImportJob.php

@@ -0,0 +1,45 @@
+<?php
+
+namespace Modules\Core\MigrateImport\Jobs;
+
+use Illuminate\Bus\Queueable;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Foundation\Bus\Dispatchable;
+use Illuminate\Queue\InteractsWithQueue;
+use Illuminate\Queue\SerializesModels;
+use Illuminate\Support\Facades\Log;
+use Modules\Core\MigrateImport\DTOs\ImportSpec;
+use Modules\Core\MigrateImport\Services\ImporterFactory;
+
+class RunMigrateImportJob implements ShouldQueue
+{
+    use Dispatchable;
+    use InteractsWithQueue;
+    use Queueable;
+    use SerializesModels;
+
+    public function __construct(
+        public readonly ImportSpec $spec,
+    ) {
+    }
+
+    /**
+     * Just hands off to the right Importer and returns — for Shopify,
+     * that importer dispatches a job batch instead of importing inline
+     * (see Shopify\ShopifyExportImporter::import()) and this job's own
+     * work is done the moment that batch is queued, well before the
+     * batch's jobs actually run. The SKU backfill that used to happen
+     * right here, after import() returned, now happens in that batch's
+     * own then() callback instead — running it here would fire before a
+     * single product had actually been imported.
+     */
+    public function handle(): void
+    {
+        Log::info('Import started', ['source' => $this->spec->source, 'type' => $this->spec->type, 'file' => $this->spec->filePath]);
+
+        $importer = ImporterFactory::make($this->spec);
+        $importer->import($this->spec);
+
+        Log::info('Import job complete', ['source' => $this->spec->source]);
+    }
+}