[#176]feat: password 변경 로직 구현

src/main/java/com/lovecloud/auth/application/UserPasswordChangeService.java

@@ -0,0 +1,22 @@
+package com.lovecloud.auth.application;
+
+import com.lovecloud.auth.domain.Password;
+import com.lovecloud.global.crypto.CustomPasswordEncoder;
+import com.lovecloud.usermanagement.domain.User;
+import com.lovecloud.usermanagement.domain.repository.UserRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+public class UserPasswordChangeService {
+
+    private final UserRepository userRepository;
+    private final CustomPasswordEncoder passwordEncoder;
+
+    public void changePassword(final User user, final String newPassword){
+        Password encryptedPassword = passwordEncoder.encode(newPassword);
+        user.updatePassword(encryptedPassword);
+        userRepository.save(user);
+    }
+}

src/main/java/com/lovecloud/usermanagement/domain/Guest.java

@@ -53,4 +53,9 @@ public void assignWallet(Wallet wallet){
         }
         this.wallet = wallet;
     }
+
+    @Override
+    public void updatePassword(Password encodedPassword) {
+        this.password = encodedPassword;
+    }
 }

src/main/java/com/lovecloud/usermanagement/domain/User.java

@@ -1,5 +1,6 @@
 package com.lovecloud.usermanagement.domain;
 
+import com.lovecloud.auth.domain.Password;
 import com.lovecloud.global.domain.CommonRootEntity;
 import jakarta.persistence.Column;
 import jakarta.persistence.Entity;
@@ -12,7 +13,6 @@
 import jakarta.persistence.InheritanceType;
 import jakarta.persistence.Table;
 import lombok.AccessLevel;
-import lombok.Builder;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 
@@ -43,4 +43,6 @@ protected User(String email, String name, UserRole userRole) {
         this.name = name;
         this.userRole = userRole;
     }
+
+    public abstract void updatePassword(Password newPassword);
 }

src/main/java/com/lovecloud/usermanagement/domain/WeddingUser.java

@@ -65,4 +65,9 @@ public String getPassword() {
     public void signIn(String rawPassword, CustomPasswordEncoder passwordEncoder){
         this.password.validatePassword(rawPassword, passwordEncoder);
     }
+
+    @Override
+    public void updatePassword(Password encodedPassword) {
+        this.password = encodedPassword;
+    }
 }