refactor : GiftCouponMessageAdapter 구현

coupon/src/main/kotlin/com/example/estdelivery/coupon/application/port/out/adapter/persistence/GiftCouponMessageAdapter.kt

@@ -1,14 +1,39 @@
 package com.example.estdelivery.coupon.application.port.out.adapter.persistence
 
 import com.example.estdelivery.coupon.application.port.out.CreateGiftCouponMessageStatePort
+import com.example.estdelivery.coupon.application.port.out.ValidateGiftCouponCodeStatePort
+import com.example.estdelivery.coupon.application.port.out.adapter.persistence.entity.GiftMessageEntity
+import com.example.estdelivery.coupon.application.port.out.adapter.persistence.mapper.fromCoupon
+import com.example.estdelivery.coupon.application.port.out.adapter.persistence.repository.GiftMessageRepository
 import com.example.estdelivery.coupon.domain.coupon.Coupon
+import com.example.estdelivery.coupon.domain.coupon.GiftCoupon
+import com.example.estdelivery.coupon.domain.coupon.GiftCouponCode
 import com.example.estdelivery.coupon.domain.coupon.GiftMessage
 import com.example.estdelivery.coupon.domain.member.Member
 import org.springframework.stereotype.Component
 
 @Component
-class GiftCouponMessageAdapter : CreateGiftCouponMessageStatePort {
-    override fun create(sender: Member, coupon: Coupon, message: String): GiftMessage {
-        TODO("Not yet implemented")
+class GiftCouponMessageAdapter(
+    private val giftMessageRepository: GiftMessageRepository,
+) : CreateGiftCouponMessageStatePort, ValidateGiftCouponCodeStatePort {
+    override fun create(sender: Member, coupon: Coupon, message: String, giftCouponCode: GiftCouponCode): GiftMessage {
+        val giftMessageEntity = giftMessageRepository.save(
+            GiftMessageEntity(
+                sender = sender.id,
+                coupon = fromCoupon(coupon),
+                message = message,
+                enrollCode = giftCouponCode.code
+            )
+        )
+        return GiftMessage(
+            sender = sender,
+            giftMessage = giftMessageEntity.message,
+            giftCouponCode = GiftCouponCode(giftMessageEntity.enrollCode),
+            giftCoupon = GiftCoupon(coupon)
+        )
+    }
+
+    override fun validate(giftCouponCode: GiftCouponCode): Boolean {
+        return giftMessageRepository.existsByEnrollCode(giftCouponCode.code)
     }
 }

coupon/src/main/kotlin/com/example/estdelivery/coupon/application/port/out/adapter/persistence/entity/GiftMessageEntity.kt

@@ -0,0 +1,41 @@
+package com.example.estdelivery.coupon.application.port.out.adapter.persistence.entity
+
+import jakarta.persistence.Column
+import jakarta.persistence.Entity
+import jakarta.persistence.GeneratedValue
+import jakarta.persistence.GenerationType
+import jakarta.persistence.Id
+import jakarta.persistence.JoinColumn
+import jakarta.persistence.OneToOne
+import jakarta.persistence.Table
+import java.time.LocalDate
+
+@Entity
+@Table(name = "gift_message")
+class GiftMessageEntity(
+    val message: String,
+    @Column(name = "sender_id")
+    val sender: Long,
+    val enrollCode: String,
+    @OneToOne
+    @JoinColumn(name = "coupon_id")
+    val coupon: CouponEntity,
+    val enrollDate: LocalDate = LocalDate.now(),
+    val isUsed: Boolean = false,
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    val id: Long? = null,
+) {
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (other !is GiftMessageEntity) return false
+
+        if (id != other.id) return false
+
+        return true
+    }
+
+    override fun hashCode(): Int {
+        return id?.hashCode() ?: 0
+    }
+}

coupon/src/main/kotlin/com/example/estdelivery/coupon/application/port/out/adapter/persistence/repository/GiftMessageRepository.kt

@@ -0,0 +1,8 @@
+package com.example.estdelivery.coupon.application.port.out.adapter.persistence.repository
+
+import com.example.estdelivery.coupon.application.port.out.adapter.persistence.entity.GiftMessageEntity
+import org.springframework.data.jpa.repository.JpaRepository
+
+interface GiftMessageRepository : JpaRepository<GiftMessageEntity, Long> {
+    fun existsByEnrollCode(enrollCode: String): Boolean
+}