refactor: lambda로 받아온 videoid 없을 시 오류 해결

src/main/java/swm/betterlife/antifragile/domain/content/service/ContentService.java

@@ -9,6 +9,7 @@
 import java.util.function.Function;
 import java.util.stream.Collectors;
 import lombok.RequiredArgsConstructor;
+import org.checkerframework.checker.units.qual.A;
 import org.springframework.data.mongodb.core.MongoTemplate;
 import org.springframework.data.mongodb.core.query.Criteria;
 import org.springframework.data.mongodb.core.query.Query;
@@ -48,7 +49,13 @@ public ContentListResponse saveRecommendContents(String memberId, LocalDate date
         DiaryAnalysis analysis =
             diaryAnalysisService.getDiaryAnalysisByMemberIdAndDate(memberId, date);
         Member member = memberService.getMemberById(memberId);
-        List<Content> recommendedContents = getRecommendContentsByAnalysis(analysis, member);
+
+        String prompt = "이 일기의 감정에 정신적으로 도움이 되는 메타데이터를 10개 추천해줘";
+        prompt = recommendService.createPrompt(
+            analysis.getEmotions(), analysis.getEvent(), member, prompt
+        );
+        List<Content> recommendedContents
+            = getRecommendContentsByAnalysis(analysis, member, prompt);
 
         List<Content> savedContents = saveOrUpdateContents(recommendedContents);
         diaryAnalysisService.saveRecommendContents(analysis, savedContents);
@@ -76,7 +83,12 @@ public ContentListResponse saveReRecommendContents(
         Member member = memberService.getMemberById(memberId);
         List<String> recommendedUrls = extractRecommendContentUrls(analysis);
 
-        List<Content> recommendedContents = getRecommendContentsByAnalysis(analysis, member);
+        String prompt = "지금 사용자의 상태에 따라 관련되거나 정신적으로 도움 되는 콘텐츠 10개를 추천해줘";
+        prompt = recommendService.createPrompt(
+            analysis.getEmotions(), analysis.getEvent(), member, prompt
+        );
+        List<Content> recommendedContents
+            = getRecommendContentsByAnalysis(analysis, member, prompt);
         // TODO: 추후에 feedback을 통해서 재추천 컨텐츠를 가져와야 함
 
         List<Content> savedContents = saveOrUpdateContents(recommendedContents);
@@ -119,12 +131,18 @@ public void unlikeContent(String memberId, String contentId) {
         }
     }
 
-    private List<Content> getRecommendContentsByAnalysis(DiaryAnalysis analysis, Member member) {
-
-        String prompt = recommendService.createPrompt(
-            analysis.getEmotions(), analysis.getEvent(), member);
-
-        List<String> videoIds = lambdaService.getRecommendations(prompt);
+    private List<Content> getRecommendContentsByAnalysis(
+        DiaryAnalysis analysis, Member member, String prompt
+    ) {
+        List<String> videoIds = new ArrayList<>();
+        int lambdaCnt = 0;
+        while (lambdaCnt < 5) {
+            videoIds = lambdaService.getRecommendations(prompt);
+            if (!videoIds.isEmpty()) {
+                break;
+            }
+            lambdaCnt++;
+        }
 
         try {
             YouTubeResponse youTubeResponse = recommendService.getYoutubeInfo(videoIds);

src/main/java/swm/betterlife/antifragile/domain/recommend/service/RecommendService.java

@@ -42,16 +42,17 @@ public class RecommendService {
     @Value("${youtube.api.key}")
     private String apiKey;
 
-    public String createPrompt(List<String> emotions, String event, Member member) {
+    public String createPrompt(List<String> emotions, String event, Member member, String prompt) {
 
         String emotionString = String.join(", ", emotions);
 
         return String.format(
-            "%s 감정을 가진 나이가 %d인 %s이 쓴 일기 내용은 %s야. 이 일기의 감정에 정신적으로 도움이 되는 메타데이터를 10개 추천해줘",
+            "%s 감정을 가진 나이가 %d인 %s이 쓴 일기 내용은 \"%s\"야. %s",
             emotionString,
             AgeConverter.convertDateToAge(member.getBirthDate()),
             member.getJob(),
-            event
+            event,
+            prompt
         );
     }