refactor: og 데이터가 없는 경우 name 속성 데이터 사용하도록 변경 (#881)

backend/baguni-api/src/main/java/baguni/api/domain/link/service/LinkService.java

@@ -54,12 +54,21 @@ public LinkInfo saveLinkAndUpdateOgTag(String url) {
 		}
 	}
 
+	/**
+	 *	property 속성에 og 데이터가 없는 경우, name 속성에 있는 데이터 활용
+	 */
 	private Link updateOpengraph(String url, Link link) throws OpenGraphException {
 		var openGraph = new OpenGraph(url);
 		link.updateMetadata(
-			openGraph.getTag(Metadata.TITLE).orElse(""),
-			openGraph.getTag(Metadata.DESCRIPTION).orElse(""),
-			correctImageUrl(url, openGraph.getTag(Metadata.IMAGE).orElse(""))
+			openGraph.getTag(Metadata.OG_TITLE)
+				.orElse(openGraph.getTag(Metadata.TITLE)
+					.orElse("")),
+			openGraph.getTag(Metadata.OG_DESCRIPTION)
+				.orElse(openGraph.getTag(Metadata.DESCRIPTION)
+					.orElse("")),
+			correctImageUrl(url, openGraph.getTag(Metadata.OG_IMAGE)
+				.orElse(openGraph.getTag(Metadata.IMAGE)
+					.orElse("")))
 		);
 		return link;
 	}

backend/baguni-core/src/main/java/baguni/core/lib/opengraph/Metadata.java

@@ -12,14 +12,18 @@ public class Metadata {
 	 ***************************************/
 
 	// The title of your object as it should appear within the graph, e.g., "The Rock".
-	public static final MetadataTag TITLE = MetadataTag.of("og:title");
+	public static final MetadataTag TITLE = MetadataTag.of("title");
+
+	public static final MetadataTag OG_TITLE = MetadataTag.of("og:title");
 
 	//  The type of your object, e.g., "video.movie".
 	//  Depending on the type you specify, other properties may also be required.
 	public static final MetadataTag TYPE = MetadataTag.of("og:type");
 
 	// An image URL which should represent your object within the graph.
-	public static final MetadataTag IMAGE = MetadataTag.of("og:image");
+	public static final MetadataTag IMAGE = MetadataTag.of("image");
+
+	public static final MetadataTag OG_IMAGE = MetadataTag.of("og:image");
 
 	// The canonical URL of your object that will be used as its permanent ID in the graph, e.g., "https://www.imdb.com/title/tt0117500/".
 	public static final MetadataTag URL = MetadataTag.of("og:url");
@@ -32,7 +36,9 @@ public class Metadata {
 	public static final MetadataTag AUDIO = MetadataTag.of("og:audio");
 
 	// A one to two sentence description of your object.
-	public static final MetadataTag DESCRIPTION = MetadataTag.of("og:description");
+	public static final MetadataTag DESCRIPTION = MetadataTag.of("description");
+
+	public static final MetadataTag OG_DESCRIPTION = MetadataTag.of("og:description");
 
 	//  The word that appears before this object's title in a sentence. An enum of (a, an, the, "", auto). If auto is
 	//  chosen, the consumer of your data should chose between "a" or "an". Default is "" (blank).

backend/baguni-core/src/main/java/baguni/core/lib/opengraph/OpenGraphReader.java

@@ -43,16 +43,23 @@ public Map<String, String> read(URI uri) throws OpenGraphException {
 				Charset.forName(openGraphOption.getHttpResponseDefaultCharsetName())));
 			Document htmlResponse = Jsoup.parse(response.body());
 			Element head = htmlResponse.head();
-			Elements headClildElements = head.children();
-			headClildElements
-				.stream()
-				.filter(
-					o -> "meta".equals(o.nodeName()) && o.hasAttr("property") && o.attr("property").startsWith("og:"))
-				.forEach(o -> {
-					String key = o.attr("property");
-					String value = o.attr("content");
+
+			String title = head.select("title").text();
+			result.put("title", title);
+
+			Elements metaTags = head.select("meta");
+			metaTags.forEach(meta -> {
+				// og 데이터가 없는 경우, meta name 속성 값(image, description)을 활용한다.
+				boolean isOgProperty = meta.hasAttr("property") && meta.attr("property").startsWith("og:");
+				boolean isOgNameImage = meta.hasAttr("name") && meta.attr("name").contains("image");
+				boolean isOgNameDescription = meta.hasAttr("name") && meta.attr("name").contains("description");
+
+				if (isOgProperty || isOgNameImage || isOgNameDescription) {
+					String key = isOgProperty ? meta.attr("property") : meta.attr("name");
+					String value = meta.attr("content");
 					result.put(key, value);
-				});
+				}
+			});
 		} catch (IOException | InterruptedException e) {
 			throw new OpenGraphException("Error occurred when reading OG tags.", e);
 		}