한정판 콘텐츠 주문 기능 추가

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

@@ -191,7 +191,7 @@ class AudioContentService(
             } else {
                 false
             },
-            isOnlyRental = request.isOnlyRental,
+            isOnlyRental = if (request.limited != null && request.limited > 0) false else request.isOnlyRental,
             isCommentAvailable = request.isCommentAvailable
         )
         audioContent.theme = theme

src/main/kotlin/kr/co/vividnext/sodalive/content/order/LimitedEditionOrder.kt

@@ -0,0 +1,22 @@
+package kr.co.vividnext.sodalive.content.order
+
+import kr.co.vividnext.sodalive.common.BaseEntity
+import kr.co.vividnext.sodalive.content.AudioContent
+import javax.persistence.Entity
+import javax.persistence.FetchType
+import javax.persistence.JoinColumn
+import javax.persistence.ManyToOne
+import javax.persistence.OneToOne
+
+@Entity
+data class LimitedEditionOrder(
+    val sequence: Int
+) : BaseEntity() {
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "content_id", nullable = false)
+    var audioContent: AudioContent? = null
+
+    @OneToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "order_id", nullable = false)
+    var order: Order? = null
+}

src/main/kotlin/kr/co/vividnext/sodalive/content/order/LimitedEditionOrderRepository.kt

@@ -0,0 +1,30 @@
+package kr.co.vividnext.sodalive.content.order
+
+import com.querydsl.jpa.impl.JPAQueryFactory
+import kr.co.vividnext.sodalive.content.order.QLimitedEditionOrder.limitedEditionOrder
+import org.springframework.data.jpa.repository.JpaRepository
+
+interface LimitedEditionOrderRepository : JpaRepository<LimitedEditionOrder, Long>, LimitedEditionOrderQueryRepository
+
+interface LimitedEditionOrderQueryRepository {
+    fun getNextSequence(contentId: Long): Int
+}
+
+class LimitedEditionOrderQueryRepositoryImpl(
+    private val queryFactory: JPAQueryFactory
+) : LimitedEditionOrderQueryRepository {
+    override fun getNextSequence(contentId: Long): Int {
+        val maxSequence = queryFactory.select(limitedEditionOrder.sequence)
+            .from(limitedEditionOrder)
+            .where(limitedEditionOrder.audioContent.id.eq(contentId))
+            .orderBy(limitedEditionOrder.sequence.desc())
+            .limit(1)
+            .fetchFirst()
+
+        return if (maxSequence == null) {
+            1
+        } else {
+            maxSequence + 1
+        }
+    }
+}

src/main/kotlin/kr/co/vividnext/sodalive/content/order/OrderService.kt

@@ -3,6 +3,7 @@ package kr.co.vividnext.sodalive.content.order
 import kr.co.vividnext.sodalive.can.payment.CanPaymentService
 import kr.co.vividnext.sodalive.can.use.CanUsage
 import kr.co.vividnext.sodalive.common.SodaException
+import kr.co.vividnext.sodalive.content.AudioContent
 import kr.co.vividnext.sodalive.content.AudioContentRepository
 import kr.co.vividnext.sodalive.content.comment.AudioContentCommentRepository
 import kr.co.vividnext.sodalive.content.like.AudioContentLikeRepository
@@ -21,6 +22,7 @@ class OrderService(
     private val audioContentRepository: AudioContentRepository,
     private val audioContentCommentQueryRepository: AudioContentCommentRepository,
     private val audioContentLikeQueryRepository: AudioContentLikeRepository,
+    private val limitedEditionOrderRepository: LimitedEditionOrderRepository,
 
     @Value("\${cloud.aws.cloud-front.host}")
     private val audioContentCoverImageHost: String
@@ -29,24 +31,15 @@ class OrderService(
     fun order(contentId: Long, orderType: OrderType, container: String, member: Member) {
         val content = audioContentRepository.findByIdAndActive(contentId)
             ?: throw SodaException("잘못된 콘텐츠 입니다\n다시 시도해 주세요.")
+        validateOrder(memberId = member.id!!, content = content)
 
-        val order = if (content.isOnlyRental) {
-            Order(type = OrderType.RENTAL)
+        val order = if (content.limited != null && content.remaining != null) {
+            if (content.remaining!! <= 0) throw SodaException("해당 콘텐츠가 매진되었습니다.")
+            orderLimitedEditionContent(content, member)
         } else {
-            Order(type = orderType)
+            orderContent(orderType, content, member)
         }
 
-        if (member.id!! == content.member!!.id!!) throw SodaException("자신이 올린 콘텐츠는 구매할 수 없습니다.")
-        if (repository.isExistOrdered(memberId = member.id!!, contentId = contentId)) {
-            throw SodaException("이미 구매한 콘텐츠 입니다.")
-        }
-
-        order.member = member
-        order.creator = content.member
-        order.audioContent = content
-
-        repository.save(order)
-
         canPaymentService.spendCan(
             memberId = member.id!!,
             needCan = order.can,
@@ -56,6 +49,39 @@ class OrderService(
         )
     }
 
+    private fun orderContent(orderType: OrderType, content: AudioContent, member: Member): Order {
+        val order = if (content.isOnlyRental) {
+            Order(type = OrderType.RENTAL)
+        } else {
+            Order(type = orderType)
+        }
+        order.member = member
+        order.creator = content.member
+        order.audioContent = content
+        return repository.save(order)
+    }
+
+    private fun orderLimitedEditionContent(content: AudioContent, member: Member): Order {
+        val order = orderContent(OrderType.KEEP, content, member)
+
+        val sequence = limitedEditionOrderRepository.getNextSequence(content.id!!)
+        val limitedEditionOrder = LimitedEditionOrder(sequence = sequence)
+        limitedEditionOrder.order = order
+        limitedEditionOrder.audioContent = content
+        limitedEditionOrderRepository.save(limitedEditionOrder)
+
+        content.remaining = content.remaining!! - 1
+
+        return order
+    }
+
+    private fun validateOrder(memberId: Long, content: AudioContent) {
+        if (memberId == content.member!!.id!!) throw SodaException("자신이 올린 콘텐츠는 구매할 수 없습니다.")
+        if (repository.isExistOrdered(memberId = memberId, contentId = content.id!!)) {
+            throw SodaException("이미 구매한 콘텐츠 입니다.")
+        }
+    }
+
     fun getAudioContentOrderList(
         member: Member,
         offset: Long,