feat: load hotel data locally for sidebar

src/Service/CmsDataService.php

@@ -11,6 +11,48 @@ class CmsDataService
     {
     }
 
+    /**
+     * Normalizes a product or hotel code for CMS lookup.
+     *
+     * Returns the first 3 characters of the code, except for codes
+     * starting with 'SER' where characters 4-6 are returned instead.
+     */
+    public function normalizeCode(?string $code): ?string
+    {
+        if (null === $code || 3 > strlen($code)) {
+            return null;
+        }
+
+        if (str_starts_with($code, 'SER') && 6 <= strlen($code)) {
+            return substr($code, 3, 3);
+        }
+
+        return substr($code, 0, 3);
+    }
+
+    /**
+     * Fetches only the hotel images from the CMS using normalized codes.
+     *
+     * @return array<string, mixed>|null The images array or null if unavailable
+     */
+    public function getProductImages(string $productCode, ?string $hotelCode = null): ?array
+    {
+        $normalizedProduct = $this->normalizeCode($productCode);
+        $normalizedHotel = $this->normalizeCode($hotelCode);
+
+        if (null === $normalizedProduct) {
+            return null;
+        }
+
+        $result = $this->getProductDetails($normalizedProduct, $normalizedHotel);
+
+        if (true === isset($result['success']) && false === $result['success']) {
+            return null;
+        }
+
+        return $result['hotel']['images'] ?? null;
+    }
+
     public function getProductDetails(string $productCode, ?string $hotelCode = null): array
     {
         try {