[FEAT] 편지 삭제 API 구현

src/main/java/com/neighbors/tohero/application/baseResponse/BaseResponseMessage.java

@@ -49,6 +49,7 @@ public enum BaseResponseMessage {
     편지가_성공적으로_조회되었습니다("편지가 성공적으로 조회되었습니다"),
     일치하는_편지가_없습니다("일치하는 편지가 없습니다"),
     편지_공개_여부가_수정되었습니다("편지 공개 여부가 수정되었습니다"),
+    편지가_성공적으로_삭제_되었습니다("편지가 성공적으로 삭제 되었습니다"),
 
     //news
     뉴스_조회가_성공했습니다("뉴스 조회가 성공했습니다"),

src/main/java/com/neighbors/tohero/application/letter/dto/DeleteLetterRequest.java

@@ -0,0 +1,13 @@
+package com.neighbors.tohero.application.letter.dto;
+
+import jakarta.validation.constraints.Max;
+import jakarta.validation.constraints.Min;
+import jakarta.validation.constraints.NotNull;
+
+public record DeleteLetterRequest (
+        @NotNull
+        @Max(Long.MAX_VALUE)
+        @Min(0)
+        long letterId
+){
+}

src/main/java/com/neighbors/tohero/application/letter/service/LetterService.java

@@ -10,6 +10,7 @@
 import com.neighbors.tohero.common.jwt.JwtUserDetails;
 import com.neighbors.tohero.domain.domain.address.service.GetAddress;
 import com.neighbors.tohero.domain.domain.letter.service.CreateLetter;
+import com.neighbors.tohero.domain.domain.letter.service.DeleteLetter;
 import com.neighbors.tohero.domain.domain.letter.service.UpdateLetter;
 import com.neighbors.tohero.domain.domain.mainPage.model.Letter;
 import com.neighbors.tohero.domain.domain.mainPage.service.GetLetter;
@@ -28,6 +29,7 @@ public class LetterService {
     private final GetLetter getLetter;
     private final GetAddress getAddress;
     private final UpdateLetter updateLetter;
+    private final DeleteLetter deleteLetter;
 
     public BaseResponse<CreateLetterResponse> createLetter(final JwtUserDetails jwtUserDetail, final CreateLetterRequest createLetterRequest) {
 
@@ -82,6 +84,16 @@ public BaseResponse<UpdateLetterPublicResponse> updateLetterPublic(long userId,
         );
     }
 
+    @Transactional
+    public BaseResponse deleteLetter(long userId, long letterId){
+        deleteLetter.deleteLetterByUserIdAndLetterId(userId, letterId);
+
+        return new BaseResponse<>(
+                BaseResponseStatus.OK,
+                BaseResponseMessage.편지가_성공적으로_삭제_되었습니다.getMessage()
+        );
+    }
+
 
     private BaseResponse<CreateLetterResponse> createGuestLetter(final String nickname, final CreateLetterRequest createLetterRequest) {
         long createdLetterId = createLetter.createGuestLetter(

src/main/java/com/neighbors/tohero/common/security/AuthenticationUtil.java

@@ -32,6 +32,7 @@ private void initOnlyUserRequest() {
         addToOnlyUserRequest("GET", "/letter");
         addToOnlyUserRequest("PUT", "/letter");
         addToOnlyUserRequest("GET", "/auth/refreshToken");
+        addToOnlyUserRequest("DELETE", "/letter");
     }
 
     private void addToOnlyUserRequest(String method, String url) {

src/main/java/com/neighbors/tohero/domain/domain/letter/service/DeleteLetter.java

@@ -0,0 +1,16 @@
+package com.neighbors.tohero.domain.domain.letter.service;
+
+import com.neighbors.tohero.common.annotaion.DomainService;
+import com.neighbors.tohero.domain.query.LetterRepository;
+import lombok.RequiredArgsConstructor;
+
+@DomainService
+@RequiredArgsConstructor
+public class DeleteLetter {
+
+    private final LetterRepository letterRepository;
+
+    public void deleteLetterByUserIdAndLetterId(long userId, long letterId) {
+        letterRepository.deleteLetter(repo -> repo.deleteByUserIdAndLetterId(userId, letterId));
+    }
+}

src/main/java/com/neighbors/tohero/domain/query/LetterRepository.java

@@ -16,4 +16,5 @@ public interface LetterRepository {
     void remainLetterWithoutUser(long userId);
     Letter getLetter(Function<LetterEntityRepository, Optional<LetterEntity>> function);
     void updateLetter(Consumer<LetterEntityRepository> consumer);
+    void deleteLetter(Consumer<LetterEntityRepository> consumer);
 }

src/main/java/com/neighbors/tohero/infrastructure/query/impl/LetterRepositoryImpl.java

@@ -75,4 +75,9 @@ public Letter getLetter(Function<LetterEntityRepository, Optional<LetterEntity>>
     public void updateLetter(Consumer<LetterEntityRepository> consumer) {
         consumer.accept(letterEntityRepository);
     }
+
+    @Override
+    public void deleteLetter(Consumer<LetterEntityRepository> consumer) {
+        consumer.accept(letterEntityRepository);
+    }
 }

src/main/java/com/neighbors/tohero/infrastructure/repository/LetterEntityRepository.java

@@ -34,4 +34,11 @@ void updateLetterPublic(
             @Param("letterId") long letterId,
             @Param("isPublic") boolean isPublic
     );
+
+    @Modifying
+    @Query("DELETE FROM LetterEntity le WHERE le.user.userId = :userId AND le.letterId = :letterId")
+    void deleteByUserIdAndLetterId(
+            @Param("userId") long userId,
+            @Param("letterId") long letterId
+    );
 }

src/main/java/com/neighbors/tohero/presentation/controller/LetterController.java

@@ -2,6 +2,7 @@
 
 import com.neighbors.tohero.application.baseResponse.BaseResponse;
 import com.neighbors.tohero.application.letter.dto.CreateLetterRequest;
+import com.neighbors.tohero.application.letter.dto.DeleteLetterRequest;
 import com.neighbors.tohero.application.letter.dto.GetLetterDetailRequest;
 import com.neighbors.tohero.application.letter.dto.UpdateLetterPublic;
 import com.neighbors.tohero.application.letter.service.LetterService;
@@ -22,7 +23,7 @@ public class LetterController {
 
     private final LetterService letterService;
 
-    @Operation(summary = "편지 API", description = "편지를 생성하는 API입니다. content, isPublic은 필수 정보입니다. TargetJob, addressId, heroName은 사용자에게 입력받은 여부에 따라 json에 포함/미포함 할 수 있습니다. readingAlarm은 열람여부를 메시지로 받을지 여부이며, 로그인한 유저일 경우만 json에 포함시키면 됩니다. ")
+    @Operation(summary = "편지 API", description = "편지를 생성하는 API입니다. content, isPublic은 필수 정보입니다. TargetJob, addressId, heroName은 사용자에게 입력받은 여부에 따라 json에 포함/미포함 할 수 있습니다. readingAlarm은 열람여부를 메시지로 받을지 여부이며, 로그인한 유저일 경우만 json에 포함시키면 됩니다. TargetJob에 경찰서면 POLICE_OFFICER, 소방서면 FIRE_FIGHTER로 입력해주시면 됩니다.")
     @PostMapping("")
     public ResponseEntity<BaseResponse> createLetter(
             @Parameter(hidden=true) @AuthenticationPrincipal JwtUserDetails jwtUserDetail,
@@ -55,4 +56,14 @@ public ResponseEntity<BaseResponse> updateLetterPublic(
         return ResponseEntity.ok()
                 .body(letterService.updateLetterPublic(jwtUserDetail.getUserId(), updateLetterPublic));
     }
+
+    @Operation(summary = "편지 API", description = "편지를 삭제하는 API입니다. 로그인한 유저만 사용할 수 있습니다.")
+    @DeleteMapping("")
+    public ResponseEntity<BaseResponse> deleteLetter(
+            @Parameter(hidden = true) @AuthenticationPrincipal JwtUserDetails jwtUserDetail,
+            @RequestBody @Validated DeleteLetterRequest deleteLetterRequest
+    ){
+        return ResponseEntity.ok()
+                .body(letterService.deleteLetter(jwtUserDetail.getUserId(), deleteLetterRequest.letterId()));
+    }
 }