Feat: 결제 로직 구현

src/main/java/com/readyvery/readyverydemo/ReadyverydemoApplication.java

@@ -2,7 +2,9 @@
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
 
+@EnableJpaAuditing
 @SpringBootApplication
 public class ReadyverydemoApplication {
 

src/main/java/com/readyvery/readyverydemo/src/payment/PaymentController.java

@@ -0,0 +1,40 @@
+package com.readyvery.readyverydemo.src.payment;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+import com.readyvery.readyverydemo.src.payment.dto.PaymentReq;
+import com.readyvery.readyverydemo.src.payment.dto.TossPaymentRes;
+import com.readyvery.readyverydemo.src.payment.dto.TossPaymentSuccessRes;
+
+import lombok.RequiredArgsConstructor;
+
+@RestController
+@RequestMapping("/api/v1/payments")
+@RequiredArgsConstructor
+public class PaymentController {
+	private final PaymentService paymentService;
+
+	@PostMapping("/toss") // 토스 결제 요청
+	public ResponseEntity<TossPaymentRes> requestTossPayment(@RequestBody PaymentReq paymentReq) {
+		TossPaymentRes tossPaymentRes = paymentService.requestTossPayment(paymentReq);
+		return new ResponseEntity<>(tossPaymentRes, HttpStatus.OK);
+	}
+
+	@GetMapping("/toss/success") // 토스 결제 성공
+	public ResponseEntity<TossPaymentSuccessRes> successTossPayment(
+		@RequestParam String paymentKey,
+		@RequestParam String orderId,
+		@RequestParam Long amount) {
+
+		return new ResponseEntity<>(
+			paymentService.tossPaymentSuccess(paymentKey, orderId, amount).toTossPaymentSuccessRes(),
+			HttpStatus.OK);
+	}
+}

src/main/java/com/readyvery/readyverydemo/src/payment/PaymentService.java

@@ -0,0 +1,11 @@
+package com.readyvery.readyverydemo.src.payment;
+
+import com.readyvery.readyverydemo.src.payment.dto.PaymentReq;
+import com.readyvery.readyverydemo.src.payment.dto.TossPaymentRes;
+import com.readyvery.readyverydemo.src.payment.dto.toss.Payments;
+
+public interface PaymentService {
+	TossPaymentRes requestTossPayment(PaymentReq paymentReq);
+
+	Payments tossPaymentSuccess(String paymentKey, String orderId, Long amount);
+}

src/main/java/com/readyvery/readyverydemo/src/payment/PaymentServiceImpl.java

@@ -0,0 +1,76 @@
+package com.readyvery.readyverydemo.src.payment;
+
+import java.nio.charset.StandardCharsets;
+import java.util.Base64;
+import java.util.Collections;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpEntity;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.MediaType;
+import org.springframework.stereotype.Service;
+import org.springframework.web.client.RestTemplate;
+
+import net.minidev.json.JSONObject;
+
+import com.readyvery.readyverydemo.src.payment.config.TossPaymentConfig;
+import com.readyvery.readyverydemo.src.payment.dto.PaymentReq;
+import com.readyvery.readyverydemo.src.payment.dto.TossPaymentRes;
+import com.readyvery.readyverydemo.src.payment.dto.toss.Payments;
+
+@Service
+public class PaymentServiceImpl implements PaymentService {
+	@Autowired
+	TossPaymentConfig tosspaymentConfig;
+
+	@Override
+	public TossPaymentRes requestTossPayment(PaymentReq paymentReq) {
+		Long amount = calculateTotalAmount();
+
+		return null;
+	}
+
+	private Long calculateTotalAmount() {
+		//TODO: 장바구니, 장바구니 상세에서 총 금액 계산
+		return 0L;
+	}
+
+	@Override
+	public Payments tossPaymentSuccess(String paymentKey, String orderId, Long amount) {
+		// TODO: 검증, 결제 완료 처리
+		Payments result = requestTossPaymentAccept(paymentKey, orderId, amount);
+
+		return null;
+	}
+
+	private Payments requestTossPaymentAccept(String paymentKey, String orderId, Long amount) {
+		RestTemplate restTemplate = new RestTemplate();
+		HttpHeaders headers = makeTossHeader();
+		JSONObject params = new JSONObject();
+
+		params.put("amount", amount);
+		params.put("orderId", orderId);
+		params.put("paymentKey", paymentKey);
+
+		Payments result = null;
+		try {
+			result = restTemplate.postForObject(TossPaymentConfig.CONFIRM_URL,
+				new HttpEntity<>(params, headers),
+				Payments.class);
+		} catch (Exception e) {
+			throw new RuntimeException(); // 추후에 오류 수정 (이미 승인 됨)
+		}
+
+		return result;
+	}
+
+	private HttpHeaders makeTossHeader() {
+		HttpHeaders headers = new HttpHeaders();
+		String encodedAuthKey = new String(
+			Base64.getEncoder().encode((tosspaymentConfig.getTossSecretKey() + ":").getBytes(StandardCharsets.UTF_8)));
+		headers.setBasicAuth(encodedAuthKey);
+		headers.setContentType(MediaType.APPLICATION_JSON);
+		headers.setAccept(Collections.singletonList(MediaType.APPLICATION_JSON));
+		return headers;
+	}
+}

src/main/java/com/readyvery/readyverydemo/src/payment/config/TossPaymentConfig.java

@@ -0,0 +1,24 @@
+package com.readyvery.readyverydemo.src.payment.config;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Configuration;
+
+import lombok.Getter;
+
+@Configuration
+@Getter
+public class TossPaymentConfig {
+	public static final String CONFIRM_URL = "https://api.tosspayments.com/v1/payments/confirm";
+
+	@Value("${payment.toss.client_key}")
+	private String tossClientKey;
+
+	@Value("${payment.toss.secret_key}")
+	private String tossSecretKey;
+
+	@Value("${payment.toss.success_url}")
+	private String tossSuccessUrl;
+
+	@Value("${payment.toss.fail_url}")
+	private String tossFailUrl;
+}

src/main/java/com/readyvery/readyverydemo/src/payment/dto/PaymentReq.java

@@ -0,0 +1,7 @@
+package com.readyvery.readyverydemo.src.payment.dto;
+
+public class PaymentReq {
+	private Long storeId;
+	private Long coupon;
+	//TODO: 장바구니, 장바구니 상세 추가
+}

src/main/java/com/readyvery/readyverydemo/src/payment/dto/TossPaymentRes.java

@@ -0,0 +1,12 @@
+package com.readyvery.readyverydemo.src.payment.dto;
+
+public class TossPaymentRes {
+	private String payType;
+	private Long amount;
+	private String orderId;
+	private String orderName;
+	private String customerName;
+	private String customerEmail;
+	private String successUrl;
+	private String failUrl;
+}

src/main/java/com/readyvery/readyverydemo/src/payment/dto/TossPaymentSuccessDto.java

@@ -0,0 +1,4 @@
+package com.readyvery.readyverydemo.src.payment.dto;
+
+public class TossPaymentSuccessDto {
+}

src/main/java/com/readyvery/readyverydemo/src/payment/dto/TossPaymentSuccessRes.java

@@ -0,0 +1,17 @@
+package com.readyvery.readyverydemo.src.payment.dto;
+
+import java.time.LocalDateTime;
+
+import lombok.Builder;
+
+@Builder
+public class TossPaymentSuccessRes {
+	private String orderId;
+	private String orderName;
+	private String method;
+	private Long totalAmount;
+	private String status;
+	private LocalDateTime requestedAt;
+	private LocalDateTime approvedAt;
+
+}

src/main/java/com/readyvery/readyverydemo/src/payment/dto/toss/Cancels.java

@@ -0,0 +1,15 @@
+package com.readyvery.readyverydemo.src.payment.dto.toss;
+
+import java.time.LocalDateTime;
+
+public class Cancels {
+	private Long cancelAmount;
+	private String cancelReason;
+	private Long taxFreeAmount;
+	private Long taxExemptionAmount;
+	private Long refundableAmount;
+	private Long easyPayDiscountAmount;
+	private LocalDateTime canceledAt;
+	private String transactionKey;
+	private String receiptKey;
+}

src/main/java/com/readyvery/readyverydemo/src/payment/dto/toss/Card.java

@@ -0,0 +1,16 @@
+package com.readyvery.readyverydemo.src.payment.dto.toss;
+
+public class Card {
+	private Long amount;
+	private String issuerCode;
+	private String acquireCode;
+	private String number;
+	private Long installmentPlanMonths;
+	private String approveNo;
+	private Boolean useCardPoint;
+	private String cardType;
+	private String ownerType;
+	private String aquireStatus;
+	private Boolean isInterestFree;
+	private String interestPayer;
+}

src/main/java/com/readyvery/readyverydemo/src/payment/dto/toss/CashReceipt.java

@@ -0,0 +1,4 @@
+package com.readyvery.readyverydemo.src.payment.dto.toss;
+
+public class CashReceipt {
+}

src/main/java/com/readyvery/readyverydemo/src/payment/dto/toss/CashReceipts.java

@@ -0,0 +1,4 @@
+package com.readyvery.readyverydemo.src.payment.dto.toss;
+
+public class CashReceipts {
+}

src/main/java/com/readyvery/readyverydemo/src/payment/dto/toss/Checkout.java

@@ -0,0 +1,5 @@
+package com.readyvery.readyverydemo.src.payment.dto.toss;
+
+public class Checkout {
+	private String url;
+}

src/main/java/com/readyvery/readyverydemo/src/payment/dto/toss/Discount.java

@@ -0,0 +1,5 @@
+package com.readyvery.readyverydemo.src.payment.dto.toss;
+
+public class Discount {
+	private Long amount;
+}

src/main/java/com/readyvery/readyverydemo/src/payment/dto/toss/EasyPay.java

@@ -0,0 +1,7 @@
+package com.readyvery.readyverydemo.src.payment.dto.toss;
+
+public class EasyPay {
+	private String provider;
+	private Long amount;
+	private Long discountAmount;
+}

src/main/java/com/readyvery/readyverydemo/src/payment/dto/toss/Failure.java

@@ -0,0 +1,6 @@
+package com.readyvery.readyverydemo.src.payment.dto.toss;
+
+public class Failure {
+	private String code;
+	private String message;
+}

src/main/java/com/readyvery/readyverydemo/src/payment/dto/toss/GiftCertificate.java

@@ -0,0 +1,4 @@
+package com.readyvery.readyverydemo.src.payment.dto.toss;
+
+public class GiftCertificate {
+}

src/main/java/com/readyvery/readyverydemo/src/payment/dto/toss/MobliePhone.java

@@ -0,0 +1,4 @@
+package com.readyvery.readyverydemo.src.payment.dto.toss;
+
+public class MobliePhone {
+}

src/main/java/com/readyvery/readyverydemo/src/payment/dto/toss/Payments.java

@@ -0,0 +1,56 @@
+package com.readyvery.readyverydemo.src.payment.dto.toss;
+
+import java.time.LocalDateTime;
+
+import com.readyvery.readyverydemo.src.payment.dto.TossPaymentSuccessRes;
+
+public class Payments {
+	private String version;
+	private String paymentKey;
+	private String type;
+	private String orderId;
+	private String orderName;
+	private String mid;
+	private String currency;
+	private String method;
+	private Long totalAmount;
+	private Long balanceAmount;
+	private String status;
+	private LocalDateTime requestedAt;
+	private LocalDateTime approvedAt;
+	private Boolean useEscrow;
+	private String lastTransactionKey; // nullable
+	private Long suppliedAmount;
+	private Long vat;
+	private Boolean cultureExpense;
+	private Long taxFreeAmount;
+	private Long taxExemptedAmount;
+	private Cancels cancels;
+	private Boolean isPartialCancel;
+	private Card card;
+	private VirtualAccount virtualAccount;
+	private String secret;
+	private MobliePhone mobilePhone;
+	private GiftCertificate giftCertificate;
+	private Transfer transfer;
+	private Receipt receipt;
+	private Checkout checkout;
+	private EasyPay easyPay;
+	private String country;
+	private Failure failure;
+	private CashReceipt cashReceipt;
+	private CashReceipts cashReceipts;
+	private Discount discount;
+
+	public TossPaymentSuccessRes toTossPaymentSuccessRes() {
+		return TossPaymentSuccessRes.builder()
+			.orderId(orderId)
+			.orderName(orderName)
+			.method(method)
+			.totalAmount(totalAmount)
+			.status(status)
+			.requestedAt(requestedAt)
+			.approvedAt(approvedAt)
+			.build();
+	}
+}

src/main/java/com/readyvery/readyverydemo/src/payment/dto/toss/Receipt.java

@@ -0,0 +1,5 @@
+package com.readyvery.readyverydemo.src.payment.dto.toss;
+
+public class Receipt {
+	private String url;
+}

src/main/java/com/readyvery/readyverydemo/src/payment/dto/toss/Transfer.java

@@ -0,0 +1,4 @@
+package com.readyvery.readyverydemo.src.payment.dto.toss;
+
+public class Transfer {
+}

src/main/java/com/readyvery/readyverydemo/src/payment/dto/toss/VirtualAccount.java

@@ -0,0 +1,4 @@
+package com.readyvery.readyverydemo.src.payment.dto.toss;
+
+public class VirtualAccount {
+}

src/main/resources/application.properties

@@ -21,3 +21,9 @@ spring.security.oauth2.client.provider.kakao.authorization-uri=https://kauth.kak
 spring.security.oauth2.client.provider.kakao.token-uri=https://kauth.kakao.com/oauth/token
 spring.security.oauth2.client.provider.kakao.user-info-uri=https://kapi.kakao.com/v2/user/me
 spring.security.oauth2.client.provider.kakao.user-name-attribute=id
+#payment
+##tosspay
+payment.toss.client_key=test_ck_pP2YxJ4K87By0b4RZeo0rRGZwXLO
+payment.toss.secret_key=test_sk_pP2YxJ4K87BbBaQPDwEJrRGZwXLO
+payment.toss.success_url=http://localhost:8080/api/v1/payment/toss/success
+payment.toss.fail_url=http://localhost:8080/api/v1/payment/toss/fail