fix: make BusProNet response failures diagnosable and non-fatal

src/Command/BpnImportCommand.php

@@ -56,11 +56,30 @@ class BpnImportCommand extends Command
             return Command::FAILURE;
         }
 
+        // Resolve the BusProNet base data once, before touching a single row. A destination
+        // cannot be written without its hotel, so an unavailable hotel list would otherwise
+        // skip every record and still report success. Holding both lists locally also keeps
+        // the loop off the providers: on a failed fetch nothing is cached, and a per-lookup
+        // ->get() would re-open the socket for every pickup of all 174 files.
+        $hotels = $this->hotelDataProvider->getAll();
+        $pickups = $this->pickupDataProvider->getAll();
+
+        if ([] === $hotels) {
+            $io->error('Hotel-Stammdaten konnten nicht von BusProNet geladen werden – Import abgebrochen.');
+            $this->logger->error('BPN import aborted: hotel base data unavailable');
+
+            return Command::FAILURE;
+        }
+
         $io->info('Found '.$totalCount.' XML files');
         $addedCount = 0;
         $updatedCount = 0;
         $warnings = [];
 
+        if ([] === $pickups) {
+            $warnings[] = 'Zustiegs-Stammdaten konnten nicht von BusProNet geladen werden';
+        }
+
         $progressBar = $io->createProgressBar($totalCount);
         $progressBar->setFormat(" %current%/%max% [%bar%] %percent:3s%% %elapsed:6s%/%estimated:-6s%\n %message%");
         $progressBar->setMessage('Starting');
@@ -92,7 +111,7 @@ class BpnImportCommand extends Command
                 foreach ($destinationXml->xpath('zustiege/zustieg') as $pickupXml) {
                     $pickupBusProId = (int) $pickupXml->attributes()['idbuspro'];
                     if ($pickupBusProId) {
-                        if (null === $pickup = $this->pickupDataProvider->get($pickupBusProId)) {
+                        if (null === $pickup = $pickups[$pickupBusProId] ?? null) {
                             $warnings[] = 'Pickup with busProId '.$pickupBusProId.' not found';
                             continue;
                         }
@@ -109,7 +128,7 @@ class BpnImportCommand extends Command
                 // Iterate over all hotel entries
                 foreach ($destinationXml->xpath('hotel') as $hotelXml) {
                     $hotelBusProId = (int) $hotelXml->attributes()['idbuspro'];
-                    if (null === $hotel = $this->hotelDataProvider->get($hotelBusProId)) {
+                    if (null === $hotel = $hotels[$hotelBusProId] ?? null) {
                         $warnings[] = 'Hotel with busProId '.$hotelBusProId.' not found';
                         continue;
                     }