[DDING-000] FeedType 변환 로직 수정 (#221)

Author: KoSeonJe

src/main/java/ddingdong/ddingdongBE/domain/feed/entity/FeedType.java

@@ -1,7 +1,6 @@
 package ddingdong.ddingdongBE.domain.feed.entity;
 
 import ddingdong.ddingdongBE.domain.filemetadata.entity.DomainType;
-import java.util.Arrays;
 import lombok.Getter;
 import lombok.RequiredArgsConstructor;
 
@@ -12,11 +11,4 @@ public enum FeedType {
   VIDEO(DomainType.FEED_VIDEO);
 
   private final DomainType domainType;
-
-  public static FeedType findByContentType(String contentType) {
-    return Arrays.stream(values())
-        .filter(feedType -> feedType.name().equalsIgnoreCase(contentType))
-        .findFirst()
-        .orElseThrow(() -> new IllegalArgumentException("Feed 내 해당 컨텐츠 종류(" + contentType + ")는 지원하지 않습니다."));
-  }
 }

src/main/java/ddingdong/ddingdongBE/domain/feed/service/dto/command/CreateFeedCommand.java

@@ -16,11 +16,15 @@ public record CreateFeedCommand(
 ) {
 
     public Feed toEntity(Club club) {
-        String mediaType = ContentType.fromMimeType(mimeType).getKeyMediaType();
-        return Feed.builder()
-            .activityContent(activityContent)
-            .club(club)
-            .feedType(FeedType.findByContentType(mediaType))
-            .build();
+        try {
+            String mediaType = ContentType.getMediaTypeFromMimeType(mimeType);
+            return Feed.builder()
+                    .activityContent(activityContent)
+                    .club(club)
+                    .feedType(FeedType.valueOf(mediaType))
+                    .build();
+        } catch (Exception e) {
+            throw new IllegalArgumentException("Feed 내 해당 컨텐츠 종류(" + mimeType + ")는 지원하지 않습니다.");
+        }
     }
 }

src/main/java/ddingdong/ddingdongBE/file/service/ContentType.java

@@ -51,13 +51,12 @@ public static ContentType fromExtension(String extension) {
     }
 
 
-    public static ContentType fromMimeType(String mimeType) {
-        String lowerExtension = mimeType.substring(mimeType.lastIndexOf("/") + 1).toLowerCase();
+    public static String getMediaTypeFromMimeType(String mimeType) {
         for (ContentType contentType : values()) {
-            if (contentType.extensions.contains(lowerExtension)) {
-                return contentType;
+            if (contentType.getMimeType().equals(mimeType)) {
+                return contentType.getKeyMediaType();
             }
         }
-        return OCTET_STREAM;
+        return OCTET_STREAM.getKeyMediaType();
     }
 }