src/main/kotlin/kr/co/vividnext/sodalive/content/main/tab/series/AudioContentMainTabSeriesController.kt

@@ -37,4 +37,21 @@ class AudioContentMainTabSeriesController(private val service: AudioContentMainT
             )
         )
     }
+
+    @GetMapping("/completed-monthly-rank")
+    fun getRankMonthlyCompletedSeriesList(
+        @AuthenticationPrincipal(expression = "#this == 'anonymousUser' ? null : member") member: Member?,
+        pageable: Pageable
+    ) = run {
+        if (member == null) throw SodaException("로그인 정보를 확인해주세요.")
+
+        ApiResponse.ok(
+            service.getRankMonthlyCompletedSeriesList(
+                memberId = member.id!!,
+                isAdult = member.auth != null,
+                offset = pageable.offset,
+                limit = pageable.pageSize.toLong()
+            )
+        )
+    }
 }

src/main/kotlin/kr/co/vividnext/sodalive/content/main/tab/series/AudioContentMainTabSeriesService.kt

@@ -166,4 +166,38 @@ class AudioContentMainTabSeriesService(
 
         return GetSeriesListResponse(totalCount, items)
     }
+
+    fun getRankMonthlyCompletedSeriesList(
+        memberId: Long,
+        isAdult: Boolean,
+        offset: Long,
+        limit: Long
+    ): GetSeriesListResponse {
+        val monthlyRankingStartDate = LocalDateTime.now()
+            .withDayOfMonth(1)
+            .withHour(15)
+            .withMinute(0)
+            .withSecond(0)
+            .minusDays(1)
+        val monthlyRankingEndDate = monthlyRankingStartDate
+            .plusMonths(1)
+
+        val totalCount = rankingService.getCompleteSeriesRankingTotalCount(
+            memberId = memberId,
+            isAdult = isAdult,
+            startDate = monthlyRankingStartDate,
+            endDate = monthlyRankingEndDate
+        )
+
+        val items = rankingService.getCompleteSeriesRanking(
+            memberId = memberId,
+            isAdult = isAdult,
+            startDate = monthlyRankingStartDate,
+            endDate = monthlyRankingEndDate,
+            offset = offset,
+            limit = limit
+        )
+
+        return GetSeriesListResponse(totalCount, items)
+    }
 }

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

@@ -209,6 +209,48 @@ class RankingRepository(
             .fetch()
     }
 
+    fun getCompleteSeriesRankingTotalCount(
+        memberId: Long,
+        isAdult: Boolean,
+        startDate: LocalDateTime,
+        endDate: LocalDateTime
+    ): Int {
+        val blockMemberCondition = blockMember.member.id.eq(member.id)
+            .and(blockMember.isActive.isTrue)
+            .and(blockMember.blockedMember.id.eq(memberId))
+
+        var where = series.isActive.isTrue
+            .and(series.state.eq(SeriesState.COMPLETE))
+            .and(audioContent.isActive.isTrue)
+            .and(member.isActive.isTrue)
+            .and(member.isNotNull)
+            .and(member.role.eq(MemberRole.CREATOR))
+            .and(audioContent.duration.isNotNull)
+            .and(audioContent.limited.isNull)
+            .and(blockMember.id.isNull)
+            .and(order.isActive.isTrue)
+            .and(order.createdAt.goe(startDate))
+            .and(order.createdAt.lt(endDate))
+
+        if (!isAdult) {
+            where = where.and(series.isAdult.isFalse)
+        }
+
+        return queryFactory
+            .select(series.id)
+            .from(seriesContent)
+            .innerJoin(seriesContent.series, series)
+            .innerJoin(seriesContent.content, audioContent)
+            .innerJoin(series.member, member)
+            .leftJoin(order).on(audioContent.id.eq(order.audioContent.id))
+            .leftJoin(blockMember).on(blockMemberCondition)
+            .where(where)
+            .groupBy(series.id)
+            .orderBy(order.can.sum().desc())
+            .fetch()
+            .size
+    }
+
     fun getCompleteSeriesRanking(
         memberId: Long,
         isAdult: Boolean,
@@ -248,10 +290,7 @@ class RankingRepository(
             .leftJoin(blockMember).on(blockMemberCondition)
             .where(where)
             .groupBy(series.id)
-            .orderBy(
-                order.can.sum().desc(),
-                Expressions.numberTemplate(Double::class.java, "function('rand')").asc()
-            )
+            .orderBy(order.can.sum().desc())
             .offset(offset)
             .limit(limit)
             .fetch()

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

@@ -82,6 +82,20 @@ class RankingService(
         return seriesToSeriesListItem(seriesList = seriesList, isAdult = isAdult)
     }
 
+    fun getCompleteSeriesRankingTotalCount(
+        memberId: Long,
+        isAdult: Boolean,
+        startDate: LocalDateTime,
+        endDate: LocalDateTime
+    ): Int {
+        return repository.getCompleteSeriesRankingTotalCount(
+            memberId = memberId,
+            isAdult = isAdult,
+            startDate = startDate,
+            endDate = endDate
+        )
+    }
+
     fun getCompleteSeriesRanking(
         memberId: Long,
         isAdult: Boolean,