[Feat] 게시글 작성 API(사진 첨부 제외)

build.gradle

@@ -27,6 +27,7 @@ dependencies {
 	implementation 'mysql:mysql-connector-java:8.0.25'
 	implementation 'org.springdoc:springdoc-openapi-ui:1.7.0'
 	implementation 'org.springframework.boot:spring-boot-starter-webflux' // WebClient
+	implementation 'org.springframework.boot:spring-boot-starter-validation'
 	compileOnly 'org.projectlombok:lombok'
 	annotationProcessor 'org.projectlombok:lombok'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'

src/main/java/HeyPorori/transaction/TransactionApplication.java

@@ -2,8 +2,10 @@
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
 
 @SpringBootApplication
+@EnableJpaAuditing
 public class TransactionApplication {
 
 	public static void main(String[] args) {

src/main/java/HeyPorori/transaction/config/BaseResponseStatus.java

@@ -6,8 +6,12 @@
 public enum BaseResponseStatus {
     /* 요청 성공 */
     SUCCESS(true, 1000, "요청에 성공하였습니다."),
+
+    /* 요청 실패 */
     USER_INVALID_RESPONSE(false, 1050, "User 서비스로부터 올바른 응답을 받지 못하였습니다."),
-    INVALID_JWT(false, 1051, "잘못된 JWT 토큰입니다.")
+    INVALID_JWT(false, 1051, "잘못된 JWT 토큰입니다."),
+    INVALID_CATEGORY(false, 3001, "유효하지 않은 카테고리입니다.")
+
     ;
 
     private final boolean isSuccess;

src/main/java/HeyPorori/transaction/controller/TransactionController.java

@@ -2,6 +2,8 @@
 
 import HeyPorori.transaction.config.BaseException;
 import HeyPorori.transaction.config.BaseResponse;
+import HeyPorori.transaction.config.BaseResponseStatus;
+import HeyPorori.transaction.dto.PostReq;
 import HeyPorori.transaction.service.TransactionService;
 import HeyPorori.transaction.service.UserService;
 import io.swagger.v3.oas.annotations.Operation;
@@ -13,6 +15,8 @@
 import lombok.RequiredArgsConstructor;
 import org.springframework.web.bind.annotation.*;
 
+import javax.validation.Valid;
+
 @RequiredArgsConstructor
 @Tag(name = "중고거래", description = "중고거래 관련 API 입니다.")
 @RestController
@@ -21,6 +25,7 @@ public class TransactionController {
     private final TransactionService transactionService;
     private final UserService userService;
 
+    // 테스트용 APIs
     @Operation(summary = "Swagger UI 테스트용 메서드", description = "프로젝트 초기 Swagger UI 정상작동을 확인하기 위한 메서드입니다.")
     @ApiResponse(responseCode = "200", description = "요청 성공", content = @Content(mediaType = "application/json", schema = @Schema(implementation = BaseResponse.class)))
     @GetMapping("/test")
@@ -33,4 +38,13 @@ public BaseResponse<Long> testUserService(@RequestHeader("Authorization") String
         userService.sendTestJwtRequest(token);
         return new BaseResponse<>(userService.getUserId(token));
     }
+
+    // 실사용 APIs
+    @Operation(summary = "중고거래 게시글 작성 API", description = "중고거래 서비스의 거래 게시글을 작성하기 위한 API입니다.")
+    @ApiResponse(responseCode = "200", description = "요청 성공", content = @Content(mediaType = "application/json", schema = @Schema(implementation = BaseResponse.class)))
+    @PostMapping("/post")
+    public BaseResponse<BaseResponseStatus> createPost(@RequestHeader("Authorization") String token, @RequestBody @Valid PostReq postReq) {
+        transactionService.createPost(token, postReq);
+        return new BaseResponse<>(BaseResponseStatus.SUCCESS);
+    }
 }

src/main/java/HeyPorori/transaction/domain/Category.java

@@ -1,7 +1,13 @@
 package HeyPorori.transaction.domain;
 
+import HeyPorori.transaction.config.BaseException;
+import HeyPorori.transaction.config.BaseResponseStatus;
+import com.fasterxml.jackson.annotation.JsonCreator;
 import lombok.Getter;
 
+import java.util.Arrays;
+import java.util.stream.Stream;
+
 @Getter
 public enum Category {
     ELECTRONICS("전자제품", "스마트폰, 컴퓨터, 태블릿, TV, 오디오 기기 등"),
@@ -20,4 +26,10 @@ public enum Category {
         this.name = name;
         this.description = description;
     }
+
+    public static Category parsing(String inputValue) {
+        return Arrays.stream(Category.values())
+                .filter(r -> r.name.equals(inputValue))
+                .findAny().orElse(null);
+    }
 }

src/main/java/HeyPorori/transaction/domain/Transaction.java

@@ -1,6 +1,7 @@
 package HeyPorori.transaction.domain;
 
 import HeyPorori.transaction.config.BaseTimeEntity;
+import HeyPorori.transaction.dto.PostReq;
 import lombok.*;
 import org.hibernate.annotations.ColumnDefault;
 import org.hibernate.annotations.DynamicInsert;
@@ -44,7 +45,7 @@ public class Transaction extends BaseTimeEntity {
     @Column(nullable = false)
     private Double longitude;
 
-    @Column(nullable = false)
+    @Column(nullable = true)
     private Category category;
 
     @ColumnDefault("'ACTIVE'")
@@ -69,6 +70,19 @@ public Transaction(Long userId, String title, String content, int recommend, Str
         this.status = status;
     }
 
+    public static Transaction toEntity(PostReq postReq, Long userId){
+        return Transaction.builder()
+                .userId(userId)
+                .title(postReq.getTitle())
+                .content(postReq.getContent())
+                .recommend(0)
+                .address("필동")
+                .latitude(0.0)
+                .longitude(0.0)
+                .category(Category.parsing(postReq.getCategory()))
+                .build();
+    }
+
     public void changeStatus(String status) {
         this.status = status;
     }

src/main/java/HeyPorori/transaction/dto/PostReq.java

@@ -0,0 +1,23 @@
+package HeyPorori.transaction.dto;
+
+import HeyPorori.transaction.domain.Category;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.NotNull;
+import javax.validation.constraints.Pattern;
+import javax.validation.constraints.Size;
+
+@Getter
+@NoArgsConstructor
+@AllArgsConstructor
+public class PostReq {
+    @Size(min = 1, max = 20, message = "거래 게시글 제목의 길이는 1 이상 20 이하입니다.")
+    private String title;
+    @Size(min = 1, max = 200, message = "거래 게시글 내용의 길이는 1 이상 200 이하입니다.")
+    private String content;
+    @Pattern(regexp = "^(전자제품|의류 및 액세서리|가구 및 가정용품|스포츠 및 레저|자동차 및 오토바이|도서 및 음악|아기 및 어린이 용품|기타)$", message = "유효하지 않은 카테고리입니다.")
+    private String category;
+}

src/main/java/HeyPorori/transaction/service/TransactionService.java

@@ -1,10 +1,22 @@
 package HeyPorori.transaction.service;
 
+import HeyPorori.transaction.domain.Transaction;
+import HeyPorori.transaction.dto.PostReq;
+import HeyPorori.transaction.repository.TransactionRepository;
+import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 
 import javax.transaction.Transactional;
 
 @Service
 @Transactional
+@RequiredArgsConstructor
 public class TransactionService {
+    private final TransactionRepository transactionRepository;
+    private final UserService userService;
+
+    public void createPost(String token, PostReq postReq) {
+        userService.sendTestJwtRequest(token);
+        transactionRepository.save(Transaction.toEntity(postReq, userService.getUserId(token)));
+    }
 }