콘텐츠 고정, 해제 API 추가

src/main/kotlin/kr/co/vividnext/sodalive/content/pin/PinContent.kt

@@ -0,0 +1,20 @@
+package kr.co.vividnext.sodalive.content.pin
+
+import kr.co.vividnext.sodalive.common.BaseEntity
+import kr.co.vividnext.sodalive.content.AudioContent
+import kr.co.vividnext.sodalive.member.Member
+import javax.persistence.Entity
+import javax.persistence.FetchType
+import javax.persistence.JoinColumn
+import javax.persistence.ManyToOne
+
+@Entity
+data class PinContent(var isActive: Boolean = true) : BaseEntity() {
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "member_id", nullable = false)
+    var member: Member? = null
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "content_id", nullable = false)
+    var content: AudioContent? = null
+}

src/main/kotlin/kr/co/vividnext/sodalive/content/pin/PinContentRepository.kt

@@ -0,0 +1,33 @@
+package kr.co.vividnext.sodalive.content.pin
+
+import com.querydsl.jpa.impl.JPAQueryFactory
+import kr.co.vividnext.sodalive.content.pin.QPinContent.pinContent
+import org.springframework.data.jpa.repository.JpaRepository
+
+interface PinContentRepository : JpaRepository<PinContent, Long>, PinContentQueryRepository
+
+interface PinContentQueryRepository {
+    fun getPinContentList(memberId: Long): List<PinContent>
+
+    fun findByContentIdAndMemberId(contentId: Long, memberId: Long): PinContent?
+}
+
+class PinContentQueryRepositoryImpl(private val queryFactory: JPAQueryFactory) : PinContentQueryRepository {
+    override fun getPinContentList(memberId: Long): List<PinContent> {
+        return queryFactory
+            .selectFrom(pinContent)
+            .where(pinContent.member.id.eq(memberId))
+            .orderBy(pinContent.updatedAt.asc())
+            .fetch()
+    }
+
+    override fun findByContentIdAndMemberId(contentId: Long, memberId: Long): PinContent? {
+        return queryFactory
+            .selectFrom(pinContent)
+            .where(
+                pinContent.content.id.eq(contentId)
+                    .and(pinContent.member.id.eq(memberId))
+            )
+            .fetchFirst()
+    }
+}