feat:백준ID 삭제 API , test (#355)

Author: s-hwan

src/main/java/com/gamzabat/algohub/feature/user/controller/UserController.java

@@ -76,7 +76,6 @@ public ResponseEntity<TokenResponse> signIn(@Valid @RequestBody SignInRequest re
 		return ResponseEntity.ok().body(response);
 	}
 
-
 	@PostMapping("/auth/verify/send")
 	@Operation(summary = "이메일 인증 토큰 전송")
 	public ResponseEntity<Void> sendVerificationCode(@Valid @RequestBody SendVerificationCodeRequest request,
@@ -92,9 +91,9 @@ public ResponseEntity<Void> sendVerificationCode(@Valid @RequestBody SendVerific
 	@Operation(summary = "이메일 인증 토큰 검증")
 	public ResponseEntity<Void> verifyEmail(@RequestParam String token) {
 		userService.checkEmailVerification(token);
-    return ResponseEntity.ok().build();
+		return ResponseEntity.ok().build();
 	}
-  
+
 	@GetMapping("/users/check-baekjoon-nickname")
 	@Operation(summary = "백준 닉네임 유효성 검증 API", description = "회원가입 진행 시, 백준 닉네임이 유효한지 검증하는 API")
 	public ResponseEntity<Void> checkBjNickname(@RequestParam String bjNickname) {
@@ -103,6 +102,14 @@ public ResponseEntity<Void> checkBjNickname(@RequestParam String bjNickname) {
 		return ResponseEntity.ok().build();
 	}
 
+	@DeleteMapping("/users/baekjoon-nickname")
+	@Operation(summary = "백준 닉네임 삭제 API", description = "유저의 백준 id 를 null로 만드는 API")
+	public ResponseEntity<Void> deleteBjNickname(@AuthedUser User user) {
+		userService.deleteBjNickname(user);
+
+		return ResponseEntity.ok().build();
+	}
+
 	@PostMapping(value = "/auth/reissue-token")
 	@Operation(summary = "토큰 재발급 API")
 	public ResponseEntity<TokenResponse> reissueToken(@Valid @RequestBody ReissueTokenRequest request,

src/main/java/com/gamzabat/algohub/feature/user/service/UserService.java

@@ -206,6 +206,16 @@ public void checkBjNickname(String bjNickname) {
 		log.info("success to check baekjoon nickname validity nickname = {}", bjNickname);
 	}
 
+	@Transactional
+	public void deleteBjNickname(User user) {
+		if (user.getBjNickname() == null) {
+			throw new CheckBjNicknameValidationException(HttpStatus.BAD_REQUEST.value(), "백준 아이디가 등록되어 있지 않습니다.");
+		}
+		user.editBjNickname(null);
+		userRepository.save(user);
+		log.info("succes to delete user baekjoon nickname user_id = {}", user.getId());
+	}
+
 	@Transactional(readOnly = true)
 	public void checkEmailDuplication(String email) {
 		if (userRepository.existsByEmail(email))
@@ -359,7 +369,7 @@ public void checkEmailVerification(String token) {
 		redisService.deleteValues(token);
 		redisService.setValues(token, email, Duration.ofMinutes(30));
 	}
-  
+
 	private void validateBjNickname(String bjNickname) {
 
 		String bjUserUrl = BOJ_USER_PROFILE_URL + bjNickname;

src/test/java/com/gamzabat/algohub/feature/user/controller/UserControllerTest.java

@@ -533,4 +533,30 @@ void checkNickname_3() throws Exception {
 			.andExpect(jsonPath("$.error").value("이미 사용 중인 닉네임입니다."));
 		verify(userService, times(1)).checkNickname(nickname);
 	}
+
+	@Test
+	@DisplayName("백준 닉네임 삭제 성공")
+	void deleteBjNickname() throws Exception {
+		//given
+		User user = User.builder().bjNickname("bjNickname").build();
+		doNothing().when(userService).deleteBjNickname(any(User.class));
+		//when, then
+		mockMvc.perform(delete("/api/users/baekjoon-nickname")
+				.header("Authorization", token))
+			.andExpect(status().isOk());
+		verify(userService, times(1)).deleteBjNickname(any(User.class));
+	}
+
+	@Test
+	@DisplayName("백준 닉네임 삭제 실패 : 백준 아이디 등록이 되어있지 않음")
+	void deleteBjNickname_2() throws Exception {
+		//given
+		doThrow(new CheckBjNicknameValidationException(HttpStatus.BAD_REQUEST.value(), "백준 아이디가 등록되어 있지 않습니다."))
+			.when(userService).deleteBjNickname(any(User.class));
+		//when,then
+		mockMvc.perform(delete("/api/users/baekjoon-nickname")
+				.header("Authorization", token))
+			.andExpect(status().isBadRequest())
+			.andExpect(jsonPath("$.error").value("백준 아이디가 등록되어 있지 않습니다."));
+	}
 }

src/test/java/com/gamzabat/algohub/feature/user/service/UserServiceTest.java

@@ -648,4 +648,25 @@ void checkEmailVerification_success() {
 		verify(redisService).checkExistsValue(EMAIL_VERIFICATION_TOKEN);
 	}
 
+	@Test
+	@DisplayName("백준 닉네임 삭제 성공")
+	void deleteBjNickname_success() {
+		//when
+		userService.deleteBjNickname(user);
+
+		//then
+		assertThat(user.getBjNickname()).isEqualTo(null);
+	}
+
+	@Test
+	@DisplayName("백준 닉네임 삭제 실패 : 등록 되지 않은 백준 닉네임")
+	void deleteBjNickname_failed() {
+		//given
+		User user1 = User.builder().bjNickname(null).build();
+		//then
+		assertThatThrownBy(() -> userService.deleteBjNickname(user1))
+			.isInstanceOf(CheckBjNicknameValidationException.class)
+			.hasFieldOrPropertyWithValue("code", HttpStatus.BAD_REQUEST.value())
+			.hasFieldOrPropertyWithValue("error", "백준 아이디가 등록되어 있지 않습니다.");
+	}
 }