Address code review: descriptive exception message, remove unnecessary cast

Co-authored-by: vitorhugo-java <65777252+vitorhugo-java@users.noreply.github.com>

Author: Copilot

src/main/java/com/espacogeek/geek/controllers/MediaController.java

@@ -36,8 +36,7 @@ public class MediaController {
     private final SeasonRepository seasonRepository;
     private final AlternativeTitlesRepository alternativeTitlesRepository;
     @SuppressWarnings("rawtypes")
-    private final ExternalReferenceRepository externalReferenceRepository;
-    private final MediaRepository mediaRepository;
+    private final ExternalReferenceRepository externalReferenceRepository;    private final MediaRepository mediaRepository;
 
     /**
      * Finds a MediaModel object by its ID.
@@ -229,7 +228,8 @@ public Map<MediaModel, Set<ExternalReferenceModel>> externalReference(List<Media
                 .collect(Collectors.toMap(MediaModel::getId, m -> m));
         Map<MediaModel, Set<ExternalReferenceModel>> result = medias.stream()
                 .collect(Collectors.toMap(m -> m, m -> new HashSet<>()));
-        for (ExternalReferenceModel ref : (List<ExternalReferenceModel>) externalReferenceRepository.findAllByMediaIn(medias)) {
+        List<ExternalReferenceModel> refs = externalReferenceRepository.findAllByMediaIn(medias);
+        for (ExternalReferenceModel ref : refs) {
             MediaModel source = sourceById.get(ref.getMedia().getId());
             if (source != null) {
                 result.get(source).add(ref);

src/main/java/com/espacogeek/geek/data/impl/GenericMediaDataControllerImpl.java

@@ -285,7 +285,7 @@ public List<MediaModel> searchMedia(String search, MediaApi mediaApi, TypeRefere
                 result.add(media);
 
             } catch (MediaAlreadyExist e) {
-                media = mediaService.findByReferenceAndTypeReference(mediaSearch.getExternalReference().iterator().next(), typeReference).orElseThrow();
+                media = mediaService.findByReferenceAndTypeReference(mediaSearch.getExternalReference().iterator().next(), typeReference).orElseThrow(() -> new com.espacogeek.geek.exception.GenericException("Media not found for the given external reference"));
 
                 result.add(media);
             }