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>

src/main/kotlin/kr/co/vividnext/sodalive/creator/admin/content/CreatorAdminContentService.kt

@@ -5,6 +5,8 @@ import com.fasterxml.jackson.databind.ObjectMapper
 import kr.co.vividnext.sodalive.aws.cloudfront.AudioContentCloudFront
 import kr.co.vividnext.sodalive.aws.s3.S3Uploader
 import kr.co.vividnext.sodalive.common.SodaException
+import kr.co.vividnext.sodalive.content.ContentPriceChangeLog
+import kr.co.vividnext.sodalive.content.ContentPriceChangeLogRepository
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.utils.generateFileName
 import org.springframework.beans.factory.annotation.Value
@@ -16,6 +18,7 @@ import org.springframework.web.multipart.MultipartFile
 @Service
 class CreatorAdminContentService(
     private val repository: CreatorAdminContentRepository,
+    private val contentPriceChangeLogRepository: ContentPriceChangeLogRepository,
     private val audioContentCloudFront: AudioContentCloudFront,
     private val objectMapper: ObjectMapper,
     private val s3Uploader: S3Uploader,
@@ -142,6 +145,11 @@ class CreatorAdminContentService(
 
         if (request.price != null) {
             if (request.price < 5) throw SodaException("콘텐츠의 최소금액은 5캔 입니다.")
+
+            val contentPriceChangeLog = ContentPriceChangeLog(prevPrice = audioContent.price)
+            contentPriceChangeLog.audioContent = audioContent
+            contentPriceChangeLogRepository.save(contentPriceChangeLog)
+
             audioContent.price = request.price
         }
     }