feat(ranking): 크리에이터 랭킹 차단 조회 저장소를 추가한다

src/main/kotlin/kr/co/vividnext/sodalive/v2/ranking/adapter/out/persistence/DefaultCreatorRankingBlockRepository.kt

@@ -0,0 +1,40 @@
+package kr.co.vividnext.sodalive.v2.ranking.adapter.out.persistence
+
+import com.querydsl.jpa.impl.JPAQueryFactory
+import kr.co.vividnext.sodalive.member.block.QBlockMember
+import kr.co.vividnext.sodalive.v2.ranking.port.out.CreatorRankingBlockPort
+import org.springframework.stereotype.Repository
+
+@Repository
+class DefaultCreatorRankingBlockRepository(
+    private val queryFactory: JPAQueryFactory
+) : CreatorRankingBlockPort {
+    override fun findBlockedCreatorIds(memberId: Long, creatorIds: Collection<Long>): Set<Long> {
+        if (creatorIds.isEmpty()) {
+            return emptySet()
+        }
+
+        val viewerBlock = QBlockMember("creatorRankingViewerBlock")
+        val creatorBlock = QBlockMember("creatorRankingCreatorBlock")
+        val blockedByViewer = queryFactory
+            .select(viewerBlock.blockedMember.id)
+            .from(viewerBlock)
+            .where(
+                viewerBlock.member.id.eq(memberId)
+                    .and(viewerBlock.blockedMember.id.`in`(creatorIds))
+                    .and(viewerBlock.isActive.isTrue)
+            )
+            .fetch()
+        val blockedByCreator = queryFactory
+            .select(creatorBlock.member.id)
+            .from(creatorBlock)
+            .where(
+                creatorBlock.member.id.`in`(creatorIds)
+                    .and(creatorBlock.blockedMember.id.eq(memberId))
+                    .and(creatorBlock.isActive.isTrue)
+            )
+            .fetch()
+
+        return (blockedByViewer + blockedByCreator).toSet()
+    }
+}