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hyowon0204hyowon0204
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Merge pull request #47 from sumte-app/feat/#46-kakaopay-integration-api
[FEAT] 카카오페이 연동 구현
2 parents 9d63232 + e88b74d commit 9c83f56

17 files changed

+299
-117
lines changed

‎build.gradle‎

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@@ -27,6 +27,7 @@ dependencies {
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implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
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implementation 'org.springframework.boot:spring-boot-starter-security'
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implementation 'org.springframework.boot:spring-boot-starter-web'
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implementation 'org.springframework.boot:spring-boot-starter-webflux'
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implementation 'org.springframework.boot:spring-boot-starter-validation' // 에러 핸들러 만들 때 씀
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testImplementation 'org.springframework.boot:spring-boot-starter-test'

‎src/main/java/com/sumte/payment/controller/PaymentController.java‎

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@@ -1,6 +1,7 @@
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package com.sumte.payment.controller;
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import com.sumte.apiPayload.ApiResponse;
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import com.sumte.payment.dto.KakaoPayApproveResponseDTO;
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import com.sumte.payment.dto.PaymentRequestDTO;
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import com.sumte.payment.dto.PaymentResponseDTO;
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import com.sumte.payment.service.PaymentService;
@@ -33,11 +34,11 @@ public ResponseEntity<ApiResponse<PaymentResponseDTO.CreatePaymentDTO>> requestP
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summary = "결제 승인 처리 API",
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description = "PG사(예: 카카오페이) 결제 완료 후, 해당 결제 ID의 상태를 PAID로 변경합니다."
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)
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public ResponseEntity<ApiResponse<Void>> approvePayment(
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public ResponseEntity<ApiResponse<KakaoPayApproveResponseDTO>> approvePayment(
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@PathVariable("id") Long id,
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@RequestParam("pg_token") String pgToken) {
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paymentService.approvePayment(id, pgToken);
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return ResponseEntity.ok(ApiResponse.success(null));
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KakaoPayApproveResponseDTO response = paymentService.approvePayment(id, pgToken);
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return ResponseEntity.ok(ApiResponse.success(response));
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}
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}

‎src/main/java/com/sumte/payment/converter/PaymentConverter.java‎

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@@ -10,10 +10,14 @@
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public class PaymentConverter {
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public static Payment toEntity(PaymentRequestDTO.CreatePaymentDTO dto, Reservation reservation) {
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PaymentMethod method = dto.getPaymentMethod() != null
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? dto.getPaymentMethod()
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: PaymentMethod.KAKAOPAY;
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return Payment.builder()
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.reservation(reservation)
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.paidPrice(dto.getAmount())
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.paymentMethod(PaymentMethod.valueOf(dto.getPaymentMethod()))
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.paymentMethod(method)
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.paymentStatus(PaymentStatus.PENDING)
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.build();
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}

‎src/main/java/com/sumte/payment/dto/KakaoPayApproveRequestDTO.java‎

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package com.sumte.payment.dto;
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import lombok.Builder;
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import lombok.Getter;
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@Getter
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@Builder
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public class KakaoPayApproveRequestDTO {
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private String cid;
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private String tid;
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private String partner_order_id;
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private String partner_user_id;
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private String pg_token;
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}

‎src/main/java/com/sumte/payment/dto/KakaoPayApproveResponseDTO.java‎

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package com.sumte.payment.dto;
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import lombok.Builder;
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import lombok.Getter;
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@Getter
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@Builder
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public class KakaoPayApproveResponseDTO {
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private String aid;
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private String tid;
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private String cid;
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private String partner_order_id;
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private String partner_user_id;
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private String payment_method_type;
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private Amount amount;
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@Getter
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public static class Amount {
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private int total;
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private int tax_free;
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private int vat;
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}
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}

‎src/main/java/com/sumte/payment/dto/KakaoPayReadyRequestDTO.java‎

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package com.sumte.payment.dto;
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import lombok.Builder;
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import lombok.Getter;
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import org.springframework.util.LinkedMultiValueMap;
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import org.springframework.util.MultiValueMap;
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@Getter
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@Builder
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public class KakaoPayReadyRequestDTO {
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private String cid;
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private String partner_order_id;
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private String partner_user_id;
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private String item_name;
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private String quantity;
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private String total_amount;
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private String tax_free_amount;
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private String approval_url;
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private String cancel_url;
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private String fail_url;
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}

‎src/main/java/com/sumte/payment/dto/KakaoPayReadyResponseDTO.java‎

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package com.sumte.payment.dto;
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import lombok.Builder;
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import lombok.Getter;
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@Getter
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@Builder
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public class KakaoPayReadyResponseDTO {
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private String tid;
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private String next_redirect_app_url;
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private String next_redirect_pc_url;
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private String created_at;
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}

‎src/main/java/com/sumte/payment/dto/PaymentRequestDTO.java‎

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package com.sumte.payment.dto;
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import com.sumte.payment.entity.PaymentMethod;
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import lombok.AllArgsConstructor;
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import lombok.Builder;
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import lombok.Getter;
@@ -14,6 +15,6 @@ public class PaymentRequestDTO {
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public static class CreatePaymentDTO {
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private Long reservationId;
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private Long amount;
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private String paymentMethod;
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private PaymentMethod paymentMethod;
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}
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}

‎src/main/java/com/sumte/payment/entity/Payment.java‎

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public void markAsRefunded() {
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this.paymentStatus = PaymentStatus.REFUNDED;
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}
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public void setTid(String tid) {
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this.tid = tid;
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}
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}

‎src/main/java/com/sumte/payment/kakaopay/KakaoPayClient.java‎

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package com.sumte.payment.kakaopay;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.sumte.payment.dto.KakaoPayApproveRequestDTO;
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import com.sumte.payment.dto.KakaoPayApproveResponseDTO;
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import com.sumte.payment.dto.KakaoPayReadyRequestDTO;
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import com.sumte.payment.dto.KakaoPayReadyResponseDTO;
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import lombok.RequiredArgsConstructor;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.stereotype.Component;
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import org.springframework.web.reactive.function.client.WebClient;
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@Component
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@RequiredArgsConstructor
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public class KakaoPayClient {
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private final WebClient webClient;
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private final ObjectMapper objectMapper;
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@Value("${kakao.pay.secret-key}")
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private String adminKey;
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public KakaoPayReadyResponseDTO requestPayment(KakaoPayReadyRequestDTO request) {
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return webClient.post()
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.uri("https://open-api.kakaopay.com/online/v1/payment/ready")
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.header("Authorization", "SECRET_KEY " + adminKey)
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.header("Content-Type", "application/json")
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.bodyValue(request)
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.retrieve()
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.bodyToMono(KakaoPayReadyResponseDTO.class)
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.block();
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}
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public KakaoPayApproveResponseDTO approvePayment(KakaoPayApproveRequestDTO request) {
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return webClient.post()
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.uri("https://open-api.kakaopay.com/online/v1/payment/approve")
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.header("Authorization", "SECRET_KEY " + adminKey)
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.header("Content-Type", "application/json")
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.bodyValue(request)
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.retrieve()
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.bodyToMono(KakaoPayApproveResponseDTO.class)
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.block();
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}
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}

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