전남대 BE_안재영 5주차 과제 (3단계)

build.gradle

@@ -26,6 +26,7 @@ dependencies {
     implementation 'io.jsonwebtoken:jjwt-api:0.11.2'
     implementation 'io.jsonwebtoken:jjwt-impl:0.11.2'
     implementation 'io.jsonwebtoken:jjwt-jackson:0.11.2'
+    implementation 'org.springdoc:springdoc-openapi-starter-webmvc-ui:2.2.0'
     runtimeOnly 'com.h2database:h2'
     testImplementation 'org.springframework.boot:spring-boot-starter-test'
     testRuntimeOnly 'org.junit.platform:junit-platform-launcher'

src/main/java/gift/config/DatabaseInitializer.java

@@ -0,0 +1,39 @@
+package gift.config;
+
+import gift.model.Category;
+import gift.model.Option;
+import gift.model.Product;
+import gift.repository.CategoryRepository;
+import gift.repository.OptionRepository;
+import gift.repository.ProductRepository;
+import org.springframework.boot.CommandLineRunner;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class DatabaseInitializer {
+
+    @Bean
+    public CommandLineRunner initDatabase(CategoryRepository categoryRepository, ProductRepository productRepository, OptionRepository optionRepository) {
+        return args -> {
+            Category category = new Category("Electronics");
+            categoryRepository.save(category);
+
+            Product product1 = new Product("Smartphone", 500, "image_url_1", category);
+            Product product2 = new Product("Laptop", 1000, "image_url_2", category);
+
+            productRepository.save(product1);
+            productRepository.save(product2);
+
+            Option option1 = new Option("64GB", 100, product1);
+            Option option2 = new Option("128GB", 200, product1);
+            Option option3 = new Option("256GB", 150, product2);
+            Option option4 = new Option("512GB", 250, product2);
+
+            optionRepository.save(option1);
+            optionRepository.save(option2);
+            optionRepository.save(option3);
+            optionRepository.save(option4);
+        };
+    }
+}

src/main/java/gift/config/RestTemplateConfig.java

@@ -0,0 +1,23 @@
+package gift.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.client.RestTemplate;
+import org.springframework.http.client.ClientHttpRequestFactory;
+import org.springframework.http.client.SimpleClientHttpRequestFactory;
+
+@Configuration
+public class RestTemplateConfig {
+
+    @Bean
+    public RestTemplate restTemplate() {
+        return new RestTemplate(clientHttpRequestFactory());
+    }
+
+    private ClientHttpRequestFactory clientHttpRequestFactory() {
+        SimpleClientHttpRequestFactory factory = new SimpleClientHttpRequestFactory();
+        factory.setConnectTimeout(5000); // 연결 타임아웃 5초
+        factory.setReadTimeout(5000); // 읽기 타임아웃 5초
+        return factory;
+    }
+}

src/main/java/gift/controller/KakaoAuthController.java

@@ -1,14 +1,17 @@
 package gift.controller;
 
 import gift.dto.KakaoTokenResponseDTO;
+import gift.dto.KakaoUserDTO;
+import gift.model.Member;
+import gift.service.KakaoAuthService;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
-import org.springframework.http.*;
-import org.springframework.util.LinkedMultiValueMap;
-import org.springframework.util.MultiValueMap;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.RequestParam;
-import org.springframework.web.bind.annotation.RestController;
-import org.springframework.web.client.RestTemplate;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import jakarta.servlet.http.HttpServletResponse;
+import java.io.IOException;
 
 @RestController
 public class KakaoAuthController {
@@ -19,28 +22,30 @@ public class KakaoAuthController {
     @Value("${kakao.redirect-uri}")
     private String redirectUri;
 
-    private final RestTemplate restTemplate = new RestTemplate();
-
-    @GetMapping("/oauth/kakao/callback")
-    public ResponseEntity<String> kakaoCallback(@RequestParam String code) {
-        String tokenUrl = "https://kauth.kakao.com/oauth/token";
-
-        HttpHeaders headers = new HttpHeaders();
-        headers.setContentType(MediaType.APPLICATION_FORM_URLENCODED);
+    @Autowired
+    private KakaoAuthService kakaoAuthService;
 
-        MultiValueMap<String, String> body = new LinkedMultiValueMap<>();
-        body.add("grant_type", "authorization_code");
-        body.add("client_id", clientId);
-        body.add("redirect_uri", redirectUri);
-        body.add("code", code);
+    public KakaoAuthController(KakaoAuthService kakaoAuthService) {
+        this.kakaoAuthService = kakaoAuthService;
+    }
 
-        HttpEntity<MultiValueMap<String, String>> request = new HttpEntity<>(body, headers);
-        ResponseEntity<KakaoTokenResponseDTO> response = restTemplate.exchange(tokenUrl, HttpMethod.POST, request, KakaoTokenResponseDTO.class);
+    @GetMapping("/login/kakao")
+    public void redirectKakaoLogin(HttpServletResponse response) throws IOException {
+        String url = kakaoAuthService.getKakaoLoginUrl();
+        response.sendRedirect(url);
+    }
 
-        if (response.getStatusCode() == HttpStatus.OK) {
-            return ResponseEntity.ok(response.getBody().toString());
-        } else {
-            return ResponseEntity.status(response.getStatusCode()).body("카카오 로그인 실패");
+    @GetMapping("/oauth/kakao/callback")
+    public ResponseEntity<String> kakaoCallback(@RequestParam(name = "code") String code) throws IOException {
+        try {
+            KakaoTokenResponseDTO tokenResponse = kakaoAuthService.getKakaoToken(code);
+            KakaoUserDTO kakaoUserDTO = kakaoAuthService.getKakaoUser(
+                tokenResponse.getAccessToken());
+            Member member = kakaoAuthService.registerOrGetMember(kakaoUserDTO, tokenResponse.getAccessToken());
+            return ResponseEntity.ok(tokenResponse.getAccessToken());
+        } catch (Exception e) {
+            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR)
+                .body("카카오 로그인 실패: " + e.getMessage());
         }
     }
 }

src/main/java/gift/controller/OrderController.java

@@ -0,0 +1,35 @@
+package gift.controller;
+
+import gift.dto.OrderRequestDTO;
+import gift.dto.OrderResponseDTO;
+import gift.model.Order;
+import gift.service.KakaoAuthService;
+import gift.service.OrderService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+@RestController
+@RequestMapping("/api/orders")
+public class OrderController {
+
+    @Autowired
+    private OrderService orderService;
+
+    @Autowired
+    private KakaoAuthService kakaoAuthService;
+
+    @PostMapping
+    public ResponseEntity<OrderResponseDTO> placeOrder(@RequestHeader("Authorization") String token, @RequestBody OrderRequestDTO orderRequestDTO) {
+        try {
+            String accessToken = token.substring(7); // "Bearer " 제거
+            String email = kakaoAuthService.getEmailFromAccessToken(accessToken);
+            Order order = orderService.placeOrder(email, orderRequestDTO, accessToken);
+            OrderResponseDTO orderResponseDTO = new OrderResponseDTO(order.getId(), order.getOption().getId(), order.getQuantity(), order.getOrderDateTime(), order.getMessage());
+            return new ResponseEntity<>(orderResponseDTO, HttpStatus.CREATED);
+        } catch (Exception e) {
+            return new ResponseEntity<>(null, HttpStatus.INTERNAL_SERVER_ERROR);
+        }
+    }
+}

src/main/java/gift/dto/KakaoTokenResponseDTO.java

@@ -18,6 +18,10 @@ public class KakaoTokenResponseDTO {
     @JsonProperty("scope")
     private String scope;
 
+    public String getAccessToken() {
+        return accessToken;
+    }
+
     @Override
     public String toString() {
         return "KakaoTokenResponseDTO{" +

src/main/java/gift/dto/KakaoUserDTO.java

@@ -0,0 +1,25 @@
+package gift.dto;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+public class KakaoUserDTO {
+    @JsonProperty("id")
+    private Long id;
+
+    @JsonProperty("kakao_account")
+    private KakaoAccount kakaoAccount;
+
+    public Long getId() {
+        return id;
+    }
+
+    public String getEmail() {
+        return kakaoAccount.email;
+    }
+
+    public static class KakaoAccount {
+        @JsonProperty("email")
+        private String email;
+
+    }
+}

src/main/java/gift/dto/OrderRequestDTO.java

@@ -0,0 +1,27 @@
+package gift.dto;
+
+public class OrderRequestDTO {
+    private Long optionId;
+    private int quantity;
+    private String message;
+
+    public OrderRequestDTO() {}
+
+    public OrderRequestDTO(Long optionId, int quantity, String message) {
+        this.optionId = optionId;
+        this.quantity = quantity;
+        this.message = message;
+    }
+
+    public Long getOptionId() {
+        return optionId;
+    }
+
+    public int getQuantity() {
+        return quantity;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+}

src/main/java/gift/dto/OrderResponseDTO.java

@@ -0,0 +1,39 @@
+package gift.dto;
+
+import java.time.LocalDateTime;
+
+public class OrderResponseDTO {
+    private Long id;
+    private Long optionId;
+    private int quantity;
+    private LocalDateTime orderDateTime;
+    private String message;
+
+    public OrderResponseDTO(Long id, Long optionId, int quantity, LocalDateTime orderDateTime, String message) {
+        this.id = id;
+        this.optionId = optionId;
+        this.quantity = quantity;
+        this.orderDateTime = orderDateTime;
+        this.message = message;
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public Long getOptionId() {
+        return optionId;
+    }
+
+    public int getQuantity() {
+        return quantity;
+    }
+
+    public LocalDateTime getOrderDateTime() {
+        return orderDateTime;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+}

src/main/java/gift/model/Member.java

@@ -25,6 +25,12 @@ public class Member {
     @NotBlank(message = "비밀번호는 공백이 될 수 없습니다.")
     private String password;
 
+    private String token;
+
+    public String getToken() {
+        return token;
+    }
+
     @OneToMany(mappedBy = "member", cascade = CascadeType.ALL, orphanRemoval = true)
     private Set<WishList> wishLists = new HashSet<>();
 
@@ -38,6 +44,12 @@ public Member(String email, String password) {
     public Long getId() {
         return id;
     }
+
+    public void setToken(String token) {
+        this.token = token;
+    }
+
+
     public String getEmail() {
         return email;
     }

src/main/java/gift/model/Order.java

@@ -0,0 +1,62 @@
+package gift.model;
+
+import jakarta.persistence.*;
+import java.time.LocalDateTime;
+
+@Entity
+@Table(name = "`order`")
+public class Order {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "member_id")
+    private Member member;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "option_id")
+    private Option option;
+
+    private int quantity;
+
+    private LocalDateTime orderDateTime;
+
+    private String message;
+
+    public Order() {
+    }
+
+    public Order(Member member, Option option, int quantity, String message) {
+        this.member = member;
+        this.option = option;
+        this.quantity = quantity;
+        this.orderDateTime = LocalDateTime.now();
+        this.message = message;
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public Member getMember() {
+        return member;
+    }
+
+    public Option getOption() {
+        return option;
+    }
+
+    public int getQuantity() {
+        return quantity;
+    }
+
+    public LocalDateTime getOrderDateTime() {
+        return orderDateTime;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+}

src/main/java/gift/repository/OrderRepository.java

@@ -0,0 +1,7 @@
+package gift.repository;
+
+import gift.model.Order;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface OrderRepository extends JpaRepository<Order, Long> {
+}