크리에이터 관리자 - 콘텐츠 수정

- 가격 수정시 변경사항 로그로 기록

src/main/kotlin/kr/co/vividnext/sodalive/content/ContentPriceChangeLog.kt

@@ -0,0 +1,29 @@
+package kr.co.vividnext.sodalive.content
+
+import java.time.LocalDateTime
+import javax.persistence.Entity
+import javax.persistence.FetchType
+import javax.persistence.GeneratedValue
+import javax.persistence.GenerationType
+import javax.persistence.Id
+import javax.persistence.JoinColumn
+import javax.persistence.ManyToOne
+import javax.persistence.PrePersist
+
+@Entity
+data class ContentPriceChangeLog(
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    var id: Long? = null,
+    val prevPrice: Int,
+    var createdAt: LocalDateTime? = null
+) {
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "content_id", nullable = false)
+    var audioContent: AudioContent? = null
+
+    @PrePersist
+    fun prePersist() {
+        createdAt = LocalDateTime.now()
+    }
+}

src/main/kotlin/kr/co/vividnext/sodalive/content/ContentPriceChangeLogRepository.kt

@@ -0,0 +1,5 @@
+package kr.co.vividnext.sodalive.content
+
+import org.springframework.data.jpa.repository.JpaRepository
+
+interface ContentPriceChangeLogRepository : JpaRepository<ContentPriceChangeLog, Long>