콘텐츠 메인 홈 - 인기 시리즈

- 데이터가 5개 미만이면 5개 이상이 될 때까지 랭킹 계산 시작 날짜를 1주일 씩 이전으로 설정

src/main/kotlin/kr/co/vividnext/sodalive/rank/RankingService.kt

@@ -77,7 +77,20 @@ class RankingService(
         startDate: LocalDateTime,
         endDate: LocalDateTime
     ): List<GetSeriesListResponse.SeriesListItem> {
-        val seriesList = repository.getSeriesRanking(memberId, isAdult, contentType, startDate, endDate)
+        var loopCount = 0L
+        var seriesList: List<Series>
+
+        do {
+            seriesList = repository.getSeriesRanking(
+                memberId = memberId,
+                isAdult = isAdult,
+                contentType = contentType,
+                startDate = startDate.minusWeeks(loopCount),
+                endDate = endDate
+            )
+            loopCount++
+        } while (seriesList.size < 5)
+
         return seriesToSeriesListItem(seriesList = seriesList, isAdult = isAdult)
     }