내 연락수단 변경 API 구현

src/main/java/com/ajou/hertz/domain/user/controller/UserController.java

@@ -9,6 +9,7 @@
 import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.PutMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
@@ -114,4 +115,21 @@ public ResponseEntity<UserResponse> signUpV1(
 			.created(URI.create("/users/" + userCreated.getId()))
 			.body(UserResponse.from(userCreated));
 	}
+
+	@Operation(
+		summary = "연락 수단 변경",
+		description = "연락 수단을 변경합니다."
+	)
+	@PutMapping(value = "/me/contact-link", headers = API_VERSION_HEADER_NAME + "=" + 1)
+	public ResponseEntity<Void> updateContactLinkV1(
+		@Parameter(
+			description = "변경하고자 하는 연락 수단 링크를 입력합니다.",
+			example = "https://example.com/1234"
+		) @RequestParam @NotBlank String contactLink,
+		@AuthenticationPrincipal UserPrincipal userPrincipal
+	) {
+		userCommandService.updateContactLink(userPrincipal.getUserId(), contactLink);
+		return ResponseEntity.ok().build();
+	}
+
 }

src/main/java/com/ajou/hertz/domain/user/entity/User.java

@@ -100,4 +100,7 @@ public static User create(
 			profileImageUrl, birth, gender, phone, null
 		);
 	}
+
+	public void setContactLink(String contactLink) {
+	}
 }

src/main/java/com/ajou/hertz/domain/user/service/UserCommandService.java

@@ -15,6 +15,7 @@
 import com.ajou.hertz.domain.user.entity.User;
 import com.ajou.hertz.domain.user.exception.UserEmailDuplicationException;
 import com.ajou.hertz.domain.user.exception.UserKakaoUidDuplicationException;
+import com.ajou.hertz.domain.user.exception.UserNotFoundByIdException;
 import com.ajou.hertz.domain.user.exception.UserPhoneDuplicationException;
 import com.ajou.hertz.domain.user.repository.UserRepository;
 
@@ -129,4 +130,18 @@ private String generateRandom16CharString() {
 			.toString()
 			.substring(0, 16);
 	}
+
+	/**
+	 * 연락 수단을 변경합니다.
+	 *
+	 * @param userId 유저 ID
+	 * @param contactLink 변경할 연락 수단
+	 * @throws UserNotFoundByIdException 해당하는 유저를 찾을 수 없는 경우
+	 */
+	public void updateContactLink(Long userId, String contactLink) {
+		User user = userRepository.findById(userId)
+			.orElseThrow(() -> new UserNotFoundByIdException(userId));
+		user.setContactLink(contactLink);
+	}
+
 }

src/test/java/com/ajou/hertz/unit/domain/user/controller/UserControllerTest.java

@@ -35,6 +35,7 @@
 import com.ajou.hertz.domain.user.controller.UserController;
 import com.ajou.hertz.domain.user.dto.UserDto;
 import com.ajou.hertz.domain.user.dto.request.SignUpRequest;
+import com.ajou.hertz.domain.user.dto.request.UpdateContactLinkRequest;
 import com.ajou.hertz.domain.user.service.UserCommandService;
 import com.ajou.hertz.domain.user.service.UserQueryService;
 import com.ajou.hertz.util.ReflectionUtils;
@@ -212,6 +213,28 @@ public void securitySetUp() throws Exception {
 		verifyEveryMocksShouldHaveNoMoreInteractions();
 	}
 
+	@Test
+	void 주어진_연락수단을_새로운_연락수단으로_변경한다() throws Exception {
+		// given
+		long userId = 1L;
+		String newContactLink = "https://new-contact-link.com";
+		UpdateContactLinkRequest updateContactLinkRequest = new UpdateContactLinkRequest(newContactLink);
+		UserDetails userDetails = createTestUser(userId);
+
+		// when & then
+		mvc.perform(
+				put("/api/users/me/contact-link")
+					.header(API_VERSION_HEADER_NAME, 1)
+					//.contentType(MediaType.APPLICATION_JSON)
+					.param("contactLink", newContactLink)
+					.with(user(userDetails))
+			)
+			.andExpect(status().isOk());
+
+		then(userCommandService).should().updateContactLink(userId, newContactLink);
+		verifyEveryMocksShouldHaveNoMoreInteractions();
+	}
+
 	private void verifyEveryMocksShouldHaveNoMoreInteractions() {
 		then(userCommandService).shouldHaveNoMoreInteractions();
 		then(userQueryService).shouldHaveNoMoreInteractions();

src/test/java/com/ajou/hertz/unit/domain/user/service/UserCommandServiceTest.java

@@ -5,6 +5,7 @@
 import static org.mockito.BDDMockito.*;
 
 import java.time.LocalDate;
+import java.util.Optional;
 import java.util.Set;
 import java.util.stream.Stream;
 
@@ -29,6 +30,7 @@
 import com.ajou.hertz.domain.user.entity.User;
 import com.ajou.hertz.domain.user.exception.UserEmailDuplicationException;
 import com.ajou.hertz.domain.user.exception.UserKakaoUidDuplicationException;
+import com.ajou.hertz.domain.user.exception.UserNotFoundByIdException;
 import com.ajou.hertz.domain.user.exception.UserPhoneDuplicationException;
 import com.ajou.hertz.domain.user.repository.UserRepository;
 import com.ajou.hertz.domain.user.service.UserCommandService;
@@ -171,6 +173,39 @@ static Stream<Arguments> testDataForCreateNewUserWithKakao() throws Exception {
 		assertThat(t).isInstanceOf(UserKakaoUidDuplicationException.class);
 	}
 
+	@Test
+	void 주어진_유저_ID와_연락_수단으로_연락_수단을_변경한다() throws Exception {
+		// given
+		Long userId = 1L;
+		String contactLink = "https://contackLink";
+		User user = createUser(userId, "$2a$abc123", "12345");
+		given(userRepository.findById(userId)).willReturn(Optional.of(user));
+
+		// when
+		sut.updateContactLink(userId, contactLink);
+
+		// then
+		then(userRepository).should().findById(userId);
+		verifyEveryMocksShouldHaveNoMoreInteractions();
+		assertThat(user.getContactLink()).isEqualTo(contactLink);
+	}
+
+	@Test
+	void 주어진_유저_ID와_연락_수단으로_연락_수단을_변경한다_존재하지_않는_유저라면_예외가_발생한다() throws Exception {
+		// given
+		Long userId = 1L;
+		String contactLink = "https://contackLink";
+		given(userRepository.findById(userId)).willReturn(Optional.empty());
+
+		// when
+		Throwable t = catchThrowable(() -> sut.updateContactLink(userId, contactLink));
+
+		// then
+		then(userRepository).should().findById(userId);
+		verifyEveryMocksShouldHaveNoMoreInteractions();
+		assertThat(t).isInstanceOf(UserNotFoundByIdException.class);
+	}
+
 	private void verifyEveryMocksShouldHaveNoMoreInteractions() {
 		then(userQueryService).shouldHaveNoMoreInteractions();
 		then(userRepository).shouldHaveNoMoreInteractions();
@@ -188,7 +223,7 @@ private static User createUser(Long id, String password, String kakaoUid, Gender
 			LocalDate.of(2024, 1, 1),
 			gender,
 			"010-1234-5678",
-			null
+			"https://contackLink"
 		);
 	}