issue # UserService 회원가입 로직 구현 중

src/main/java/com/baekyangdan/scheduler/service/user/UserService.java

@@ -1,8 +1,45 @@
 package com.baekyangdan.scheduler.service.user;
 
+import com.baekyangdan.scheduler.repository.user.UserRepository;
+import com.baekyangdan.scheduler.request.user.UserRequest;
+import com.baekyangdan.scheduler.utils.converter.PasswordConverter;
+import com.baekyangdan.scheduler.utils.validation.UserValidation;
+
 import org.springframework.stereotype.Service;
 
+import java.time.LocalDateTime;
+
 @Service
 public class UserService {
+    private final UserRepository userRepository;
+    private final PasswordConverter passwordConverter;
 
+    public UserService(UserRepository userRepository, passwordConverter passwordConverter) {
+        this.userRepository = userRepository;
+        this.passwordConverter = passwordConverter;
+    }
+
+    // 회원가입 로직
+    public UserEntity signUp(UserRequest.SignUp data) throws Exception {
+        // 1. 요청받은 데이터가 회원가입 양식을 준수하는지 검사한다.
+        // 1-1. 회원가입 양식에 맞지 않는 데이터가 있을 경우, validateSignUpForm 함수 내에서 예외를 던져 함수 동작 중단
+        UserValidation.validateSignUpForm(data);
+
+        // 2. data 안의 평문 비밀번호 암호화
+        String encodedPassword = passwordConverter.encode(data.getPassword());
+
+        // 3. data 를 UserEntity 형식으로 build
+        UserEntity user = UserEntity
+            .builder()
+            .id(data.getId())
+            .email(data.getEmail())
+            .name(data.getName())
+            .nickname(data.getNickname())
+            .password(encodedPassword)
+            .createdAt(LocalDateTime.now())
+            .build();
+
+        // 4. build 된 entity를 UserRepository.save 로 DB에 저장
+        return userRepositry.save(user);
+    }
 }

src/main/java/com/baekyangdan/scheduler/utils/validation/BaseValidation.java

@@ -1,7 +1,25 @@
 package com.baekyangdan.scheduler.utils.validation;
 
+import jaav.util.regex.Pattern;
+import java.util.regex.Matcher;
+
 public class BaseValidation {
-    private String emailRegExp = "^[A-Za-z0-9+_.-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{1,}$"
+    private final Pattern emailPattern = Pattern.compile("^[A-Za-z0-9+_.-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{1,}$");
+    private final Pattern phoneNumberPattern = Pattern.compile("^010-\d{4}-\d{4}$");
+
+    protected static boolean matchEmailPattern(String email) {
+        if (validateStringEmpty()) {
+            return false;
+        }
+        return emailPattern.matcher(email);
+    }
+
+    protected static boolean matchPhoneNumberPattern(String phoneNumber) {
+        if (validateStringEmpty()) {
+            return false;
+        }
+        return phoneNumberPattern.matcher(phoneNumber);
+    }
 
     protected static boolean validateStringEmpty(String value) {
         if (value == null) {