feat: 패스워드 변경 서비스 구현

server/src/main/java/com/ticketing/server/user/application/request/UserPasswordModifyRequest.java

@@ -0,0 +1,2 @@
+package com.ticketing.server.user.application.request;public class UserPasswordModifyRequset {
+}

server/src/main/java/com/ticketing/server/user/service/UserServiceImpl.java

@@ -2,6 +2,7 @@ package com.ticketing.server.user.service;
 
 import com.ticketing.server.user.domain.User;
 import com.ticketing.server.user.domain.repository.UserRepository;
+import com.ticketing.server.user.service.dto.ChangePassword;
 import com.ticketing.server.user.service.dto.DeleteUser;
 import com.ticketing.server.user.service.dto.SignUp;
 import com.ticketing.server.user.service.interfaces.UserService;
@@ -48,4 +49,16 @@ public class UserServiceImpl implements UserService {
 		return Optional.of(user.delete(deleteUser));
 	}
 
+	@Override
+	public Optional<User> modifyPassword(@Valid ChangePassword changePassword) {
+		Optional<User> optionalUser = userRepository.findByEmail(changePassword.getEmail());
+		if (optionalUser.isEmpty()) {
+			log.error("존재하지 않는 이메일 입니다. :: {}", changePassword);
+			return Optional.empty();
+		}
+
+		User user = optionalUser.get();
+		return Optional.of(user.modifyPassword(changePassword));
+	}
+
 }

server/src/main/java/com/ticketing/server/user/service/dto/ChangePassword.java

@@ -37,4 +37,11 @@ public class ChangePassword implements PasswordMatches {
 	public String getEncodePassword() {
 		return passwordEncoder.encode(newPassword);
 	}
+
+	@Override
+	public String toString() {
+		return "ChangePassword{" +
+			"email='" + email + '\'' +
+			'}';
+	}
 }

server/src/main/java/com/ticketing/server/user/service/interfaces/UserService.java

@@ -1,6 +1,7 @@
 package com.ticketing.server.user.service.interfaces;
 
 import com.ticketing.server.user.domain.User;
+import com.ticketing.server.user.service.dto.ChangePassword;
 import com.ticketing.server.user.service.dto.DeleteUser;
 import com.ticketing.server.user.service.dto.SignUp;
 import java.util.Optional;
@@ -12,4 +13,6 @@ public interface UserService {
 
 	Optional<User> delete(@Valid DeleteUser deleteUser);
 
+	Optional<User> modifyPassword(@Valid ChangePassword changePassword);
+
 }

server/src/test/java/com/ticketing/server/user/service/UserServiceImplTest.java

@@ -7,6 +7,7 @@ import static org.mockito.Mockito.when;
 import com.ticketing.server.user.domain.User;
 import com.ticketing.server.user.domain.UserGrade;
 import com.ticketing.server.user.domain.repository.UserRepository;
+import com.ticketing.server.user.service.dto.ChangePassword;
 import com.ticketing.server.user.service.dto.DeleteUser;
 import com.ticketing.server.user.service.dto.DeleteUserTest;
 import com.ticketing.server.user.service.dto.SignUp;
@@ -25,6 +26,7 @@ class UserServiceImplTest {
 	User user;
 	SignUp signUp;
 	DeleteUser deleteUser;
+	ChangePassword changePassword;
 
 	@Mock
 	UserRepository userRepository;
@@ -37,6 +39,7 @@ class UserServiceImplTest {
 		signUp = new SignUp("유저", "ticketing@gmail.com", "123456", "010-1234-5678");
 		user = new User("유저", "ticketing@gmail.com", "123456", UserGrade.GUEST, "010-1234-5678");
 		deleteUser = new DeleteUser("ticketing@gmail.com", "123456", DeleteUserTest.CUSTOM_PASSWORD_ENCODER);
+		changePassword = new ChangePassword("ticketing@gmail.com", "123456", "ticketing1234", DeleteUserTest.CUSTOM_PASSWORD_ENCODER);
 	}
 
 	@Test
@@ -92,4 +95,30 @@ class UserServiceImplTest {
 		assertThat(user).isPresent();
 	}
 
+	@Test
+	@DisplayName("패스워드 변경 시 이메일이 존재하지 않을 경우")
+	void modifyPasswordFail() {
+	    // given
+		when(userRepository.findByEmail("ticketing@gmail.com")).thenReturn(Optional.empty());
+
+	    // when
+		Optional<User> user = userService.modifyPassword(changePassword);
+
+	    // then
+		assertThat(user).isEmpty();
+	}
+
+	@Test
+	@DisplayName("패스워드 변경 성공했을 경우")
+	void modifyPasswordSuccess() {
+	    // given
+		when(userRepository.findByEmail("ticketing@gmail.com")).thenReturn(Optional.of(user));
+
+		// when
+		Optional<User> user = userService.modifyPassword(changePassword);
+
+		// then
+		assertThat(user).isPresent();
+	}
+
 }