08. 경계간 매핑하기

src/main/kotlin/backendsquid/buckpal/account/adapter/in/web/SendMoneyController.kt

@@ -2,6 +2,7 @@ package backendsquid.buckpal.account.adapter.`in`.web
 
 import backendsquid.buckpal.account.application.port.`in`.SendMoneyCommand
 import backendsquid.buckpal.account.application.port.`in`.SendMoneyUseCase
+import backendsquid.buckpal.account.application.service.SendMoneyResult
 import org.springframework.validation.annotation.Validated
 import org.springframework.web.bind.annotation.PathVariable
 import org.springframework.web.bind.annotation.PostMapping
@@ -21,7 +22,7 @@ class SendMoneyController(
         @PathVariable("sourceAccountId") @Positive sourceAccountId: Long,
         @PathVariable("targetAccountId") @Positive targetAccountId: Long,
         @PathVariable("amount") @Positive amount: Long,
-    ): Boolean {
+    ): SendMoneyResult {
         val command = SendMoneyCommand(
             sourceAccountId = sourceAccountId,
             targetAccountId = targetAccountId,
@@ -34,7 +35,7 @@ class SendMoneyController(
     @PostMapping("/accounts/send")
     fun sendMoneyByBody(
         @RequestBody @Valid sendMoneyResource: SendMoneyResource
-    ): Boolean {
+    ): SendMoneyResult {
         val command = SendMoneyCommand(
             sourceAccountId = sendMoneyResource.sourceAccountId,
             targetAccountId = sendMoneyResource.targetAccountId,

src/main/kotlin/backendsquid/buckpal/account/application/port/in/SendMoneyUseCase.kt

@@ -1,5 +1,7 @@
 package backendsquid.buckpal.account.application.port.`in`
 
+import backendsquid.buckpal.account.application.service.SendMoneyResult
+
 interface SendMoneyUseCase {
-    fun sendMoney(command: SendMoneyCommand): Boolean
+    fun sendMoney(command: SendMoneyCommand): SendMoneyResult
 }

src/main/kotlin/backendsquid/buckpal/account/application/service/SendMoneyResult.kt

@@ -0,0 +1,5 @@
+package backendsquid.buckpal.account.application.service
+
+data class SendMoneyResult(
+    val boolean : Boolean
+)

src/main/kotlin/backendsquid/buckpal/account/application/service/SendMoneyService.kt

@@ -16,7 +16,7 @@ class SendMoneyService(
     private val accountLock: AccountLock,
     private val updateAccountStatePort: UpdateAccountStatePort,
 ): SendMoneyUseCase {
-    override fun sendMoney(command: SendMoneyCommand): Boolean {
+    override fun sendMoney(command: SendMoneyCommand): SendMoneyResult {
         val baseline = LocalDateTime.now().minusDays(10)
         val sourceAccount = loadAccountPort.loadAccount(
             accountId = command.sourceAccountId,
@@ -30,13 +30,13 @@ class SendMoneyService(
         accountLock.lockAccount(sourceAccount.id)
         if (!sourceAccount.withdraw(money = command.money, targetAccountId = targetAccount.id)) {
             accountLock.releaseAccount(sourceAccount.id)
-            return false
+            return SendMoneyResult(false)
         }
 
         accountLock.lockAccount(targetAccount.id)
         if (!targetAccount.deposit(money = command.money, sourceAccountId = sourceAccount.id)) {
             accountLock.releaseAccount(targetAccount.id)
-            return false
+            return SendMoneyResult(false)
         }
 
         updateAccountStatePort.updateActivities(sourceAccount)
@@ -45,6 +45,6 @@ class SendMoneyService(
         accountLock.releaseAccount(sourceAccount.id)
         accountLock.releaseAccount(targetAccount.id)
 
-        return true
+        return SendMoneyResult(true)
     }
 }