feat : User Upsert Port 및 Adapter 구현, Service 로직에 추가

놀이터(예제 코드 작성)/learn-with-making-clean-architecture/src/main/kotlin/com/banjjoknim/cleanarchitecture/user/adapter/out/persistence/UpsertUserPersistenceAdapter.kt

@@ -0,0 +1,14 @@
+package com.banjjoknim.cleanarchitecture.user.adapter.out.persistence
+
+import com.banjjoknim.cleanarchitecture.user.application.port.out.UpsertUserPersistencePort
+import com.banjjoknim.cleanarchitecture.user.domain.model.User
+import org.springframework.stereotype.Component
+
+@Component
+class UpsertUserPersistenceAdapter(
+    private val userEntityRepository: UserEntityRepository
+): UpsertUserPersistencePort {
+    override fun upsert(user: User) {
+        userEntityRepository.save(user.toDomainEntity())
+    }
+}

놀이터(예제 코드 작성)/learn-with-making-clean-architecture/src/main/kotlin/com/banjjoknim/cleanarchitecture/user/application/port/out/UpsertUserPersistencePort.kt

@@ -0,0 +1,7 @@
+package com.banjjoknim.cleanarchitecture.user.application.port.out
+
+import com.banjjoknim.cleanarchitecture.user.domain.model.User
+
+interface UpsertUserPersistencePort {
+    fun upsert(user: User)
+}

놀이터(예제 코드 작성)/learn-with-making-clean-architecture/src/main/kotlin/com/banjjoknim/cleanarchitecture/user/application/service/ChangeNicknameService.kt

@@ -4,6 +4,7 @@ import com.banjjoknim.cleanarchitecture.user.application.port.`in`.ChangeNicknam
 import com.banjjoknim.cleanarchitecture.user.application.port.`in`.ChangeNicknameResponse
 import com.banjjoknim.cleanarchitecture.user.application.port.`in`.ChangeNicknameUseCase
 import com.banjjoknim.cleanarchitecture.user.application.port.out.LoadUserPersistencePort
+import com.banjjoknim.cleanarchitecture.user.application.port.out.UpsertUserPersistencePort
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional
 
@@ -11,10 +12,12 @@ import org.springframework.transaction.annotation.Transactional
 @Service
 class ChangeNicknameService(
     private val loadUserPersistencePort: LoadUserPersistencePort,
+    private val upsertUserPersistencePort: UpsertUserPersistencePort
 ) : ChangeNicknameUseCase {
     override fun changeNickname(changeNicknameRequest: ChangeNicknameRequest): ChangeNicknameResponse {
         val user = loadUserPersistencePort.loadUser(changeNicknameRequest.userId)
         user.changeNickname(changeNicknameRequest.newNickname)
+        upsertUserPersistencePort.upsert(user)
         return ChangeNicknameResponse(user.id)
     }
 }

놀이터(예제 코드 작성)/learn-with-making-clean-architecture/src/main/kotlin/com/banjjoknim/cleanarchitecture/user/domain/model/User.kt

@@ -1,5 +1,8 @@
 package com.banjjoknim.cleanarchitecture.user.domain.model
 
+import com.banjjoknim.cleanarchitecture.user.domain.entity.NicknameColumn
+import com.banjjoknim.cleanarchitecture.user.domain.entity.UserEntity
+
 class User(
     var id: Long = 0L,
     var nickname: Nickname
@@ -7,4 +10,8 @@ class User(
     fun changeNickname(newNickname: String) {
         this.nickname = Nickname(newNickname)
     }
+
+    fun toDomainEntity(): UserEntity {
+        return UserEntity(id, NicknameColumn(nickname.value))
+    }
 }