Merge pull request #27 from RecruitUs/feat/#25-recruitingPostRetrieval

[FEAT]#25 채용공고 조회 기능 구현

build.gradle

@@ -46,6 +46,9 @@ dependencies {
 	// https://mvnrepository.com/artifact/com.auth0/java-jwt
 	implementation group: 'com.auth0', name: 'java-jwt', version: '4.3.0'
 
+	//Entity <-> DTO Converter
+	implementation group: 'org.modelmapper', name: 'modelmapper', version: '2.3.8'
+
 
 
 	implementation('org.springframework.boot:spring-boot-starter')

src/main/java/com/example/rcp1/domain/recruitment/application/RecruitmentService.java

@@ -6,16 +6,19 @@
 import com.example.rcp1.domain.recruitment.domain.repository.FieldRepository;
 import com.example.rcp1.domain.recruitment.domain.repository.PostRepository;
 import com.example.rcp1.domain.recruitment.dto.FieldDTO;
-import com.example.rcp1.domain.recruitment.dto.PostDTO;
+import com.example.rcp1.domain.recruitment.dto.PostReqDTO;
+import com.example.rcp1.domain.recruitment.dto.PostResDTO;
 import com.example.rcp1.domain.user.domain.User;
 import com.example.rcp1.domain.user.domain.repository.UserRepository;
 import com.example.rcp1.global.config.security.util.JwtUtil;
 import lombok.RequiredArgsConstructor;
-import org.springframework.beans.factory.annotation.Autowired;
+import org.modelmapper.ModelMapper;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.util.ArrayList;
+import java.util.List;
 import java.util.Optional;
 
 @Service
@@ -27,15 +30,14 @@ public class RecruitmentService {
     private final UserRepository userRepository;
     private final PostRepository postRepository;
     private final FieldRepository fieldRepository;
+    private final ModelMapper modelMapper = new ModelMapper();
 
     @Transactional
-    public Post createRecruitmentPost(String token, PostDTO postDTO) {
-        System.out.println("service called");
+    public Post createRecruitmentPost(String token, PostReqDTO postDTO) {
         String email = JwtUtil.getUserEmail(token, secretKey);
         Optional<User> user = userRepository.findByEmail(email);
 
         if (user.isPresent()) {
-            System.out.println("email searched");
             System.out.println(postDTO.toString());
 
             Post post = Post.builder()
@@ -56,15 +58,50 @@ public Post createRecruitmentPost(String token, PostDTO postDTO) {
                 field.setName(fieldDTO.getName());
                 post.addField(field);
             }
-
             // Post 엔티티 저장
             postRepository.save(post);
-            System.out.println("post saved. post = "+post.toString());
-
             return post; // Post 엔티티 반환
         }
+        return null;
+    }
+
+    public List<PostResDTO> retrieveAllRecruitmentPosts(){
+        List<Post> posts = postRepository.findAll();
+        if(posts!=null){
+            List<PostResDTO> postDTOs = new ArrayList<PostResDTO>();
+            for(Post post : posts){
+                //ModelMapper.map : ENTITY -> DTO
+                postDTOs.add(modelMapper.map(post, PostResDTO.class));
+            }
+            return postDTOs;
+        }
+        return null;
+    }
+
+    public PostResDTO retrieveRecruitmentPostById(Long postId) {
+        Optional<Post> postOptional = postRepository.findById(postId);
+        PostResDTO postResDTO = null;
+        if(postOptional.isPresent()){
+            Post post = postOptional.get();
+            postResDTO =  modelMapper.map(post, PostResDTO.class);
+        }
+        return postResDTO;
+    }
 
+    public List<PostResDTO> retrieveRecruitmentPostsOfCurrentCompany(String token) {
+        String email = JwtUtil.getUserEmail(token, secretKey);
+        Optional<User> user = userRepository.findByEmail(email);
+        if (user.isPresent()) {
+            List<Post> posts = postRepository.findByUser_Id(user.get().getId());
+            List<PostResDTO> postDTOs = new ArrayList<PostResDTO>();
+            for(Post post : posts){
+                //ModelMapper.map : ENTITY -> DTO
+                postDTOs.add(modelMapper.map(post, PostResDTO.class));
+            }
+            return postDTOs;
+        }
         return null;
     }
 
+
 }

src/main/java/com/example/rcp1/domain/recruitment/domain/repository/PostRepository.java

@@ -3,9 +3,14 @@
 
 import com.example.rcp1.domain.recruitment.domain.Post;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
 import org.springframework.stereotype.Repository;
 
+import java.util.List;
+import java.util.Optional;
+
 @Repository
 public interface PostRepository extends JpaRepository<Post,Long> {
-
+    List<Post> findByUser_Id(Long userId);
 }

src/main/java/com/example/rcp1/domain/recruitment/dto/PostDTO.java → src/main/java/com/example/rcp1/domain/recruitment/dto/PostReqDTO.java

@@ -1,17 +1,15 @@
 package com.example.rcp1.domain.recruitment.dto;
 
-import com.example.rcp1.domain.recruitment.domain.Field;
 import jakarta.validation.constraints.Min;
 import jakarta.validation.constraints.NotBlank;
 import lombok.Data;
 
 import java.time.LocalDate;
-import java.time.LocalDateTime;
 import java.util.HashSet;
 import java.util.Set;
 
 @Data
-public class PostDTO {
+public class PostReqDTO {
 
     @NotBlank
     private String title;

src/main/java/com/example/rcp1/domain/recruitment/dto/PostResDTO.java

@@ -0,0 +1,43 @@
+package com.example.rcp1.domain.recruitment.dto;
+
+import jakarta.validation.constraints.Min;
+import jakarta.validation.constraints.NotBlank;
+import lombok.Data;
+
+import java.time.LocalDate;
+import java.util.HashSet;
+import java.util.Set;
+
+@Data
+public class PostResDTO { //반환용 DTO
+    @NotBlank
+    private Long id;
+
+    @NotBlank
+    private Long userId;
+
+    @NotBlank
+    private String title;
+
+    @NotBlank
+    private String company_photo_url;
+
+    @Min(0)
+    private int compensation_recommender = 0;
+
+    @Min(0)
+    private int compensation_applicant = 0;
+
+    private LocalDate dueDate;
+
+    @Min(0)
+    private int heart = 0;
+
+    @NotBlank
+    private String content;
+
+    @NotBlank
+    private String working_address;
+
+    Set<FieldDTO> fields = new HashSet<>();
+}

src/main/java/com/example/rcp1/domain/recruitment/presentation/RecruitmentController.java

@@ -3,25 +3,28 @@
 
 import com.example.rcp1.domain.recruitment.application.RecruitmentService;
 import com.example.rcp1.domain.recruitment.domain.Post;
-import com.example.rcp1.domain.recruitment.dto.PostDTO;
+import com.example.rcp1.domain.recruitment.dto.PostReqDTO;
+import com.example.rcp1.domain.recruitment.dto.PostResDTO;
 import com.example.rcp1.global.BaseResponse;
 import com.example.rcp1.global.ErrorCode;
 import com.example.rcp1.global.SuccessCode;
 import jakarta.validation.Valid;
 import lombok.RequiredArgsConstructor;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
 
+import java.util.List;
+
 @RequestMapping("/recruiting")
 @RestController
 @RequiredArgsConstructor
 public class RecruitmentController {
     private final RecruitmentService recruitmentService;
 
+    //채용공고 생성
     @PostMapping("/posts")
-    public ResponseEntity<BaseResponse<Post>> createRecruitmentPost(@RequestHeader("Authorization") String Authorization, @Valid @RequestBody PostDTO postDTO) {
+    public ResponseEntity<BaseResponse<Post>> createRecruitmentPost(@RequestHeader("Authorization") String Authorization, @Valid @RequestBody PostReqDTO postDTO) {
         try {
             String token = Authorization.substring(7);
             Post post = recruitmentService.createRecruitmentPost(token, postDTO);
@@ -31,4 +34,50 @@ public ResponseEntity<BaseResponse<Post>> createRecruitmentPost(@RequestHeader("
                     .body(BaseResponse.error(ErrorCode.REQUEST_VALIDATION_EXCEPTION, "채용공고 게시에 실패했습니다."));
         }
     }
+
+    //전체 채용공고 리스트 조회
+    @GetMapping("/posts")
+    public ResponseEntity<BaseResponse<List<PostResDTO>>> retrieveAllRecruitmentPostList(){
+        try {
+            List<PostResDTO> posts = recruitmentService.retrieveAllRecruitmentPosts();
+            return ResponseEntity.ok(BaseResponse.success(SuccessCode.POST_RETRIEVAL_SUCCESS, posts));
+        } catch (Exception e) {
+            return ResponseEntity.status(HttpStatus.BAD_REQUEST)
+                    .body(BaseResponse.error(ErrorCode.REQUEST_VALIDATION_EXCEPTION, "채용공고 조회에 실패했습니다."));
+        }
+    }
+
+    //특정 채용공고 조회
+    @GetMapping("/posts/{postId}")
+    public ResponseEntity<BaseResponse<PostResDTO>> retrieveRecruitmentPostById(@PathVariable Long postId){
+        try {
+            PostResDTO post = recruitmentService.retrieveRecruitmentPostById(postId);
+            if (post != null) {
+                return ResponseEntity.ok(BaseResponse.success(SuccessCode.POST_RETRIEVAL_SUCCESS, post));
+            } else {
+                return ResponseEntity.status(HttpStatus.NOT_FOUND)
+                        .body(BaseResponse.error(ErrorCode.NOT_FOUND, "채용공고를 찾을 수 없습니다."));
+            }
+        } catch (Exception e) {
+            return ResponseEntity.status(HttpStatus.BAD_REQUEST)
+                    .body(BaseResponse.error(ErrorCode.REQUEST_VALIDATION_EXCEPTION, "채용공고 조회에 실패했습니다."));
+        }
+    }
+
+    //현재 로그인한 기업 유저가 작성한 채용공고 리스트 조회
+    @GetMapping("/posts/mine")
+    public ResponseEntity<BaseResponse<List<PostResDTO>>> retrieveRecruitmentPostsOfCurrentCompany(@RequestHeader("Authorization") String Authorization){
+        try {
+            String token = Authorization.substring(7);
+            List<PostResDTO> posts = recruitmentService.retrieveRecruitmentPostsOfCurrentCompany(token);
+            return ResponseEntity.ok(BaseResponse.success(SuccessCode.POST_RETRIEVAL_SUCCESS, posts));
+        } catch (Exception e) {
+            return ResponseEntity.status(HttpStatus.BAD_REQUEST)
+                    .body(BaseResponse.error(ErrorCode.REQUEST_VALIDATION_EXCEPTION, "채용공고 조회에 실패했습니다."));
+        }
+    }
+
+
+
+
 }

src/main/java/com/example/rcp1/global/ErrorCode.java

@@ -11,7 +11,8 @@
 public enum ErrorCode {
     // api 만들고 수정하기
     REQUEST_VALIDATION_EXCEPTION(BAD_REQUEST, "잘못된 요청입니니다."),
-    EXPIRED_TOKEN(UNAUTHORIZED, "만료된 토큰입니다.");
+    EXPIRED_TOKEN(UNAUTHORIZED, "만료된 토큰입니다."),
+    NOT_FOUND(HttpStatus.NOT_FOUND, "요청한 리소스를 찾을 수 없습니다.");
 
     private final HttpStatus httpStatus;
     private final String message;

src/main/java/com/example/rcp1/global/SuccessCode.java

@@ -18,6 +18,7 @@ public enum SuccessCode {
     UPDATE_PROFILE_SUCCESS(OK, "프로필이 성공적으로 수정되었습니다."),
     LOGICAL_DELETE_SUCCESS(OK, "논리적으로 삭제 되었습니다."),
     POST_CREATED_SUCCESS(CREATED, "채용공고 생성에 성공했습니다."),
+    POST_RETRIEVAL_SUCCESS(OK,"채용공고 조회에 성공했습니다."),
     CREATE_APPLY_SUCCESS(OK, "채용 공고에 지원서를 제출했습니다.");
 
     private final HttpStatus httpStatus;