feat: refresh existing snapshots from XML after sync

src/Service/TravelDataService.php

@@ -179,6 +179,56 @@ class TravelDataService
         return $travel;
     }
 
+    /**
+     * Syncs existing snapshots from fresh XML for all entries in the given file map.
+     *
+     * Iterates every date/hotel combination, calls getTravelDataFromXml() which
+     * loads, enriches, and upserts the snapshot (hash-guarded; no write if unchanged).
+     *
+     * @param array<int|string, array{hotels: array<int|string, mixed>}> $xmlFileMap
+     *
+     * @return array{processed:int,failed:int}
+     */
+    public function syncSnapshotsFromXml(array $xmlFileMap, ?callable $onProgress = null): array
+    {
+        $processed = 0;
+        $failed = 0;
+
+        foreach ($xmlFileMap as $dateId => $entry) {
+            foreach (array_keys($entry['hotels']) as $hotelId) {
+                try {
+                    $travel = $this->getTravelDataFromXml((int) $dateId, $hotelId);
+                } catch (\Throwable $e) {
+                    $this->logger->warning('Failed to sync snapshot from XML', [
+                        'dateId' => $dateId,
+                        'hotelId' => $hotelId,
+                        'error' => $e->getMessage(),
+                    ]);
+                    ++$failed;
+                    if (null !== $onProgress) {
+                        ($onProgress)();
+                    }
+                    continue;
+                }
+
+                if (null === $travel) {
+                    ++$failed;
+                    if (null !== $onProgress) {
+                        ($onProgress)();
+                    }
+                    continue;
+                }
+
+                ++$processed;
+                if (null !== $onProgress) {
+                    ($onProgress)();
+                }
+            }
+        }
+
+        return ['processed' => $processed, 'failed' => $failed];
+    }
+
     /**
      * Retrieve travel data specifically from remote API.
      *

src/Service/TravelSnapshotService.php

@@ -176,9 +176,9 @@ class TravelSnapshotService
      *
      * @return array{processed:int,updated:int,failed:int}
      */
-    public function refreshExtendedSnapshots(int $limit = 500, bool $force = false, int $refreshAfterMinutes = 360, array $xmlAvailableDateIds = []): array
+    public function refreshExtendedSnapshots(int $limit = 500, bool $force = false, int $refreshAfterMinutes = 360, ?array $xmlAvailableDateIds = null): array
     {
-        $dateToThreshold = new \DateTimeImmutable(sprintf('-%d days', $this->retentionBufferDays));
+        $dateToThreshold = new \DateTimeImmutable('today');
         $refreshBefore = new \DateTimeImmutable(sprintf('-%d minutes', $refreshAfterMinutes));
 
         $candidates = true === $force
@@ -192,10 +192,12 @@ class TravelSnapshotService
         $extendedResponseByDateId = [];
 
         foreach ($candidates as $snapshot) {
-            // Skip travels whose XML is still live; their snapshot is kept authoritative
-            // by the XML load path (getTravelDataFromXml → upsertFromTravel). An empty
-            // $xmlAvailableDateIds means the file map could not be loaded, so fall back
-            // to refreshing everything rather than skipping all candidates.
+            // null  → file map unavailable; skip all candidates (conservative fallback)
+            // []    → no XML files exist; fall through and refresh everything
+            // [...] → skip travels whose XML is still live
+            if (null === $xmlAvailableDateIds) {
+                continue;
+            }
             if ([] !== $xmlAvailableDateIds && in_array($snapshot->getDateId(), $xmlAvailableDateIds, true)) {
                 continue;
             }