[Feat] 지원서 제목 수정 API

src/main/java/kr/co/preq/domain/application/controller/ApplicationController.java

@@ -1,11 +1,16 @@
 package kr.co.preq.domain.application.controller;
 
+import kr.co.preq.domain.application.dto.ApplicationTitleUpdateRequestDto;
 import kr.co.preq.domain.application.service.ApplicationService;
 import kr.co.preq.global.common.util.response.ApiResponse;
 import kr.co.preq.global.common.util.response.SuccessCode;
 import lombok.RequiredArgsConstructor;
+
+import org.springframework.web.bind.annotation.PatchMapping;
 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;
 
 @RestController
@@ -20,4 +25,10 @@ public ApiResponse<Object> createApplication() {
 
         return ApiResponse.success(SuccessCode.APPLICATION_CREATE_SUCCESS, applicationId);
     }
+
+    @PatchMapping("/{applicationId}")
+    public ApiResponse<Object> updateApplicationTitle(@RequestParam Long applicationId, @RequestBody ApplicationTitleUpdateRequestDto requestDto) {
+        applicationService.updateApplicationTitle(applicationId, requestDto);
+        return ApiResponse.success(SuccessCode.APPLICATION_TITLE_UPDATE_SUCCESS);
+    }
 }

src/main/java/kr/co/preq/domain/application/dto/ApplicationTitleUpdateRequestDto.java

@@ -0,0 +1,8 @@
+package kr.co.preq.domain.application.dto;
+
+import lombok.Getter;
+
+@Getter
+public class ApplicationTitleUpdateRequestDto {
+	private String title;
+}

src/main/java/kr/co/preq/domain/application/entity/Application.java

@@ -5,6 +5,7 @@
 import lombok.Builder;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
+import lombok.Setter;
 
 import javax.persistence.*;
 
@@ -30,4 +31,8 @@ public Application(String title, String memo, Member member) {
         this.memo = memo;
         this.member = member;
     }
+
+    public void updateTitle(String title) {
+        this.title = title;
+    }
 }

src/main/java/kr/co/preq/domain/application/service/ApplicationService.java

@@ -1,9 +1,12 @@
 package kr.co.preq.domain.application.service;
 
+import kr.co.preq.domain.application.dto.ApplicationTitleUpdateRequestDto;
 import kr.co.preq.domain.application.entity.Application;
 import kr.co.preq.domain.application.repository.ApplicationRepository;
 import kr.co.preq.domain.auth.service.AuthService;
 import kr.co.preq.domain.member.entity.Member;
+import kr.co.preq.global.common.util.exception.NotFoundException;
+import kr.co.preq.global.common.util.response.ErrorCode;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 
@@ -26,4 +29,11 @@ public Long createApplication() {
 
         return application.getId();
     }
+
+    public void updateApplicationTitle(Long applicationId, ApplicationTitleUpdateRequestDto requestDto) {
+        Application application = applicationRepository.findById(applicationId)
+            .orElseThrow(() -> new NotFoundException(ErrorCode.NO_ID));
+
+        application.updateTitle(requestDto.getTitle());
+    }
 }

src/main/java/kr/co/preq/global/common/util/response/SuccessCode.java

@@ -39,7 +39,8 @@ public enum SuccessCode {
 	PREQ_GET_SUCCESS(OK, "예상 면접 질문 조회 성공"),
 
 	// 지원서
-	APPLICATION_CREATE_SUCCESS(CREATED, "지원서 생성 성공");
+	APPLICATION_CREATE_SUCCESS(CREATED, "지원서 생성 성공"),
+	APPLICATION_TITLE_UPDATE_SUCCESS(OK, "지원서 제목 수정 성공");
 
 	private final HttpStatus status;
 	private final String message;