src/main/kotlin/roomescape/payment/infrastructure/client/PaymentConfig.kt

@@ -15,7 +15,7 @@ import java.util.*
 class PaymentConfig {
 
     @Bean
-    fun tossPaymentClientBuilder(
+    fun tosspayClientBuilder(
         paymentProperties: PaymentProperties,
     ): RestClient.Builder {
         val settings: ClientHttpRequestFactorySettings = ClientHttpRequestFactorySettings.defaults().also {

src/main/kotlin/roomescape/payment/infrastructure/client/TosspayCancelDTO.kt

@@ -1,22 +1,15 @@
-package roomescape.payment.infrastructure.client.v2
+package roomescape.payment.infrastructure.client
 
 import com.fasterxml.jackson.core.JsonParser
 import com.fasterxml.jackson.databind.DeserializationContext
-import com.fasterxml.jackson.databind.JsonDeserializer
 import com.fasterxml.jackson.databind.JsonNode
 import com.fasterxml.jackson.databind.annotation.JsonDeserialize
 import roomescape.payment.infrastructure.common.PaymentStatus
-import roomescape.payment.infrastructure.persistence.v2.CanceledPaymentEntityV2
+import roomescape.payment.infrastructure.persistence.CanceledPaymentEntity
 import java.time.LocalDateTime
 import java.time.OffsetDateTime
 
-data class PaymentCancelRequestV2(
+data class PaymentClientCancelResponse(
-    val paymentKey: String,
-    val amount: Int,
-    val cancelReason: String
-)
-
-data class PaymentCancelResponseV2(
     val status: PaymentStatus,
     @JsonDeserialize(using = CancelDetailDeserializer::class)
     val cancels: CancelDetail,
@@ -36,7 +29,7 @@ fun CancelDetail.toEntity(
     paymentId: Long,
     canceledBy: Long,
     cancelRequestedAt: LocalDateTime
-) = CanceledPaymentEntityV2(
+) = CanceledPaymentEntity(
     id = id,
     canceledAt = this.canceledAt,
     requestedAt = cancelRequestedAt,
@@ -49,7 +42,7 @@ fun CancelDetail.toEntity(
     easypayDiscountAmount = this.easyPayDiscountAmount
 )
 
-class CancelDetailDeserializer : JsonDeserializer<CancelDetail>() {
+class CancelDetailDeserializer : com.fasterxml.jackson.databind.JsonDeserializer<CancelDetail>() {
     override fun deserialize(
         p: JsonParser,
         ctxt: DeserializationContext

src/main/kotlin/roomescape/payment/infrastructure/client/TosspayClient.kt

@@ -1,4 +1,4 @@
-package roomescape.payment.infrastructure.client.v2
+package roomescape.payment.infrastructure.client
 
 import com.fasterxml.jackson.databind.ObjectMapper
 import io.github.oshai.kotlinlogging.KLogger
@@ -12,31 +12,40 @@ import org.springframework.web.client.ResponseErrorHandler
 import org.springframework.web.client.RestClient
 import roomescape.payment.exception.PaymentErrorCode
 import roomescape.payment.exception.PaymentException
-import roomescape.payment.infrastructure.client.TossPaymentErrorResponse
 import java.net.URI
 
 private val log: KLogger = KotlinLogging.logger {}
 
 @Component
-class TosspaymentClientV2(
+class TosspaymentClient(
     objectMapper: ObjectMapper,
     tossPaymentClientBuilder: RestClient.Builder
 ) {
     private val confirmClient = ConfirmClient(objectMapper, tossPaymentClientBuilder.build())
     private val cancelClient = CancelClient(objectMapper, tossPaymentClientBuilder.build())
 
-    fun confirm(request: PaymentConfirmRequest): PaymentConfirmResponse {
+    fun confirm(
-        log.info { "[TossPaymentClientV2.confirm] 결제 승인 요청: request=$request" }
+        paymentKey: String,
+        orderId: String,
+        amount: Int,
+    ): PaymentClientConfirmResponse {
+        log.info { "[TossPaymentClient.confirm] 결제 승인 요청: paymentKey=$paymentKey, orderId=$orderId, amount=$amount" }
 
-        return confirmClient.request(request).also {
+        return confirmClient.request(paymentKey, orderId, amount)
-            log.info { "[TossPaymentClientV2.confirm] 결제 승인 완료: response=$it" }
+            .also {
-        }
+                log.info { "[TossPaymentClient.confirm] 결제 승인 완료: response=$it" }
             }
 
-    fun cancel(request: PaymentCancelRequestV2): PaymentCancelResponseV2 {
+    }
-        log.info { "[TossPaymentClient.cancel] 결제 취소 요청: request=$request" }
 
-        return cancelClient.request(request).also {
+    fun cancel(
+        paymentKey: String,
+        amount: Int,
+        cancelReason: String
+    ): PaymentClientCancelResponse {
+        log.info { "[TossPaymentClient.cancel] 결제 취소 요청: paymentKey=$paymentKey, amount=$amount, cancelReason=$cancelReason" }
+
+        return cancelClient.request(paymentKey, amount, cancelReason).also {
             log.info { "[TossPaymentClient.cancel] 결제 취소 완료: response=$it" }
         }
     }
@@ -52,13 +61,20 @@ private class ConfirmClient(
 
     private val errorHandler: TosspayErrorHandler = TosspayErrorHandler(objectMapper)
 
-    fun request(request: PaymentConfirmRequest): PaymentConfirmResponse = client.post()
+    fun request(paymentKey: String, orderId: String, amount: Int): PaymentClientConfirmResponse = client.post()
         .uri(CONFIRM_URI)
         .contentType(MediaType.APPLICATION_JSON)
-        .body(request)
+        .body(
+            mapOf(
+                "paymentKey" to paymentKey,
+                "orderId" to orderId,
+                "amount" to amount
+            )
+        )
         .retrieve()
         .onStatus(errorHandler)
-        .body(PaymentConfirmResponse::class.java) ?: run {
+        .body(PaymentClientConfirmResponse::class.java)
+        ?: run {
             log.error { "[TossPaymentConfirmClient.request] 응답 바디 변환 실패" }
             throw PaymentException(PaymentErrorCode.PAYMENT_UNEXPECTED_ERROR)
         }
@@ -74,17 +90,21 @@ private class CancelClient(
 
     private val errorHandler: TosspayErrorHandler = TosspayErrorHandler(objectMapper)
 
-    fun request(request: PaymentCancelRequestV2): PaymentCancelResponseV2 = client.post()
+    fun request(
-        .uri(CANCEL_URI, request.paymentKey)
+        paymentKey: String,
+        amount: Int,
+        cancelReason: String
+    ): PaymentClientCancelResponse = client.post()
+        .uri(CANCEL_URI, paymentKey)
         .body(
             mapOf(
-                "cancelReason" to request.cancelReason,
+                "cancelReason" to cancelReason,
-                "cancelAmount" to request.amount,
+                "cancelAmount" to amount,
             )
         )
         .retrieve()
         .onStatus(errorHandler)
-        .body(PaymentCancelResponseV2::class.java)
+        .body(PaymentClientCancelResponse::class.java)
         ?: run {
             log.error { "[TossPaymentClient] 응답 바디 변환 실패" }
             throw PaymentException(PaymentErrorCode.PAYMENT_UNEXPECTED_ERROR)

src/main/kotlin/roomescape/payment/infrastructure/client/TosspayConfirmDTO.kt

@@ -1,21 +1,15 @@
-package roomescape.payment.infrastructure.client.v2
+package roomescape.payment.infrastructure.client
 
 import roomescape.payment.exception.PaymentErrorCode
 import roomescape.payment.exception.PaymentException
 import roomescape.payment.infrastructure.common.*
-import roomescape.payment.infrastructure.persistence.v2.PaymentBankTransferDetailEntity
+import roomescape.payment.infrastructure.persistence.PaymentBankTransferDetailEntity
-import roomescape.payment.infrastructure.persistence.v2.PaymentCardDetailEntity
+import roomescape.payment.infrastructure.persistence.PaymentCardDetailEntity
-import roomescape.payment.infrastructure.persistence.v2.PaymentEasypayPrepaidDetailEntity
+import roomescape.payment.infrastructure.persistence.PaymentEasypayPrepaidDetailEntity
-import roomescape.payment.infrastructure.persistence.v2.PaymentEntityV2
+import roomescape.payment.infrastructure.persistence.PaymentEntity
 import java.time.OffsetDateTime
 
-data class PaymentConfirmRequest(
+data class PaymentClientConfirmResponse(
-    val paymentKey: String,
-    val orderId: String,
-    val amount: Int,
-)
-
-data class PaymentConfirmResponse(
     val paymentKey: String,
     val status: PaymentStatus,
     val totalAmount: Int,
@@ -29,12 +23,12 @@ data class PaymentConfirmResponse(
     val approvedAt: OffsetDateTime,
 )
 
-fun PaymentConfirmResponse.toEntity(
+fun PaymentClientConfirmResponse.toEntity(
     id: Long,
     reservationId: Long,
     orderId: String,
     paymentType: PaymentType
-) = PaymentEntityV2(
+) = PaymentEntity(
     id = id,
     reservationId = reservationId,
     paymentKey = this.paymentKey,
@@ -58,7 +52,7 @@ data class CardDetail(
     val installmentPlanMonths: Int
 )
 
-fun PaymentConfirmResponse.toCardDetailEntity(id: Long, paymentId: Long): PaymentCardDetailEntity {
+fun PaymentClientConfirmResponse.toCardDetailEntity(id: Long, paymentId: Long): PaymentCardDetailEntity {
     val cardDetail = this.card ?: throw PaymentException(PaymentErrorCode.PAYMENT_UNEXPECTED_ERROR)
 
     return PaymentCardDetailEntity(
@@ -85,7 +79,7 @@ data class EasyPayDetail(
     val discountAmount: Int,
 )
 
-fun PaymentConfirmResponse.toEasypayPrepaidDetailEntity(
+fun PaymentClientConfirmResponse.toEasypayPrepaidDetailEntity(
     id: Long,
     paymentId: Long
 ): PaymentEasypayPrepaidDetailEntity {
@@ -107,7 +101,7 @@ data class TransferDetail(
     val settlementStatus: String,
 )
 
-fun PaymentConfirmResponse.toTransferDetailEntity(
+fun PaymentClientConfirmResponse.toTransferDetailEntity(
     id: Long,
     paymentId: Long
 ): PaymentBankTransferDetailEntity {

src/main/kotlin/roomescape/payment/infrastructure/client/TosspayErrorResponse.kt

@@ -0,0 +1,6 @@
+package roomescape.payment.infrastructure.client
+
+data class TossPaymentErrorResponse(
+    val code: String,
+    val message: String
+)