라이브 방 - 아고라 설정 및 라이브 방 관련 API

src/main/kotlin/kr/co/vividnext/sodalive/member/following/CreatorFollowRequest.kt

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+package kr.co.vividnext.sodalive.member.following
+
+data class CreatorFollowRequest(val creatorId: Long)

src/main/kotlin/kr/co/vividnext/sodalive/member/following/CreatorFollowing.kt

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+package kr.co.vividnext.sodalive.member.following
+
+import kr.co.vividnext.sodalive.common.BaseEntity
+import kr.co.vividnext.sodalive.member.Member
+import javax.persistence.Entity
+import javax.persistence.FetchType
+import javax.persistence.JoinColumn
+import javax.persistence.ManyToOne
+
+@Entity
+class CreatorFollowing(
+    // 유저가 알림받기 한 크리에이터
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "creator_id", nullable = false)
+    var creator: Member,
+
+    // 크리에이터를 알림받기 한 유저
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "member_id", nullable = false)
+    var member: Member,
+
+    var isActive: Boolean = true
+) : BaseEntity()

src/main/kotlin/kr/co/vividnext/sodalive/member/following/CreatorFollowingRepository.kt

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+package kr.co.vividnext.sodalive.member.following
+
+import com.querydsl.jpa.impl.JPAQueryFactory
+import kr.co.vividnext.sodalive.member.following.QCreatorFollowing.creatorFollowing
+import org.springframework.data.jpa.repository.JpaRepository
+import org.springframework.stereotype.Repository
+
+@Repository
+interface CreatorFollowingRepository : JpaRepository<CreatorFollowing, Long>, CreatorFollowingQueryRepository
+
+interface CreatorFollowingQueryRepository {
+    fun findByCreatorIdAndMemberId(creatorId: Long, memberId: Long): CreatorFollowing?
+}
+
+@Repository
+class CreatorFollowingQueryRepositoryImpl(
+    private val queryFactory: JPAQueryFactory
+) : CreatorFollowingQueryRepository {
+    override fun findByCreatorIdAndMemberId(creatorId: Long, memberId: Long): CreatorFollowing? {
+        return queryFactory
+            .selectFrom(creatorFollowing)
+            .where(
+                creatorFollowing.creator.id.eq(creatorId)
+                    .and(creatorFollowing.member.id.eq(memberId))
+            )
+            .fetchFirst()
+    }
+}