check unique phone

build.gradle

@@ -29,13 +29,19 @@ dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-web'
 	implementation 'org.springframework.security:spring-security-crypto:6.5.3'
 	implementation 'org.mapstruct:mapstruct:1.5.5.Final'
+	implementation 'commons-validator:commons-validator:1.7'
+
 	annotationProcessor 'org.mapstruct:mapstruct-processor:1.5.5.Final'
+	annotationProcessor 'org.projectlombok:lombok'
+
 	compileOnly 'org.projectlombok:lombok'
+
 	developmentOnly 'org.springframework.boot:spring-boot-devtools'
+
 	runtimeOnly 'com.microsoft.sqlserver:mssql-jdbc'
 	runtimeOnly 'com.mysql:mysql-connector-j'
 	runtimeOnly 'org.postgresql:postgresql'
-	annotationProcessor 'org.projectlombok:lombok'
+
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 	testImplementation 'org.mockito:mockito-core:5.3.1'
 	testRuntimeOnly 'org.junit.platform:junit-platform-launcher'

src/main/java/ru/soune/nocopy/dto/MessageCode.java

@@ -3,6 +3,7 @@ package ru.soune.nocopy.dto;
 public enum MessageCode {
     SUCCESS(0, "Operation successful"),
     REG_EMAIL_EXISTS(1, "Email already registered"),
+    REG_EMAIL_OR_PHONE_EXISTS(1, "Email or phone already registered"),
     INVALID_FIELD(2, "Invalid field"),
     INVALID_JSON_BODY(2, "Invalid fields in JSON object"),
     MSG_ID_NOT_FOUND(4, "Message id not found"),

src/main/java/ru/soune/nocopy/entity/User.java

@@ -42,6 +42,7 @@ public class User {
     private String password;
 
     @Size(min = 11, max = 14)
+    @Column(unique = true)
     private String phone;
 
     @Enumerated(EnumType.STRING)

src/main/java/ru/soune/nocopy/handler/RegRequestHandler.java

@@ -33,13 +33,15 @@ public class RegRequestHandler implements RequestHandler {
     public BaseResponse handle(BaseRequest request) throws ValidationException {
         RegRequest regRequest = objectMapper.convertValue(request.getMessageBody(), RegRequest.class);
 
-        if (userRepository.existsByEmail(regRequest.getEmail())) {
+        if (userRepository.existsByEmail(regRequest.getEmail()) || userRepository.existsByPhone(regRequest.getPhone())) {
             RegAnswer regAnswer = new RegAnswer();
             regAnswer.setFieldErrors(Arrays.asList(Map.of("email", regRequest.getEmail())));
+            regAnswer.setFieldErrors(Arrays.asList(Map.of("phone", regRequest.getPhone())));
 
-            throw new NotValidFieldException("User already exists with email: " + regRequest.getEmail(),
+            throw new NotValidFieldException("User already exists with email:" + regRequest.getEmail() + " or phone: " +
-                    new BaseResponse(request.getMsgId(), MessageCode.REG_EMAIL_EXISTS.getCode(),
+                    regRequest.getPhone(), new BaseResponse(request.getMsgId(),
-                    MessageCode.REG_EMAIL_EXISTS.getDescription(), regAnswer));
+                    MessageCode.REG_EMAIL_OR_PHONE_EXISTS.getCode(),
+                    MessageCode.REG_EMAIL_OR_PHONE_EXISTS.getDescription(), regAnswer));
         }
 
         BindingResult bindingResult = new BeanPropertyBindingResult(regRequest, "regRequest");

src/main/java/ru/soune/nocopy/handler/validator/RegRequestValidator.java

@@ -1,10 +1,14 @@
 package ru.soune.nocopy.handler.validator;
 
+import org.apache.commons.validator.routines.DomainValidator;
+import org.apache.commons.validator.routines.EmailValidator;
 import org.springframework.stereotype.Component;
 import org.springframework.validation.Errors;
 import org.springframework.validation.Validator;
 import ru.soune.nocopy.dto.RegRequest;
 
+import java.net.InetAddress;
+import java.net.UnknownHostException;
 import java.util.*;
 
 @Component
@@ -52,27 +56,6 @@ public class RegRequestValidator implements Validator {
             errors.rejectValue("fullName", "fullName.invalid.chars",
                     "Name can only contain letters, spaces, hyphens and apostrophes");
         }
-
-        String[] nameParts = trimmedName.split("\\s+");
-        if (nameParts.length < 2) {
-            errors.rejectValue("fullName", "fullName.missing.parts",
-                    "Please enter both first and last name");
-        }
-
-        for (int i = 0; i < nameParts.length; i++) {
-            String part = nameParts[i];
-            if (part.length() < 2 && part.length() > 0) {
-                errors.rejectValue("fullName", "fullName.part.too.short",
-                        "Each name part must be at least 2 characters");
-                break;
-            }
-
-            if (!Character.isUpperCase(part.charAt(0))) {
-                errors.rejectValue("fullName", "fullName.capitalization",
-                        "Each name part should start with capital letter");
-                break;
-            }
-        }
     }
 
     private void validateCompanyName(String companyName, Errors errors) {
@@ -110,64 +93,24 @@ public class RegRequestValidator implements Validator {
 
     private void validateEmail(String email, Errors errors) {
         if (email == null || email.trim().isEmpty()) {
-            errors.rejectValue("email", "email.is.empty",
+            errors.rejectValue("email", "email.is.empty", "Email must not be empty");
-                    "Email must not be empty");
             return;
         }
 
         String trimmedEmail = email.trim().toLowerCase();
 
-        if (trimmedEmail.length() > 128) {
+        if (trimmedEmail.length() > 254) {
-            errors.rejectValue("email", "email.too.long",
+            errors.rejectValue("email", "email.too.long", "Email is too long");
-                    "Email must be less than 128 characters");
             return;
         }
 
-        if (!trimmedEmail.matches("^[A-Za-z0-9+_.-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,}$")) {
+        EmailValidator emailValidator = EmailValidator.getInstance(true, true);
-            errors.rejectValue("email", "email.invalid.format",
+        if (!emailValidator.isValid(trimmedEmail)) {
-                    "Invalid email format");
+            errors.rejectValue("email", "email.invalid", "Invalid email address");
             return;
         }
-
-        String[] parts = trimmedEmail.split("@");
-        if (parts.length != 2) {
-            return;
-        }
-
-        String localPart = parts[0];
-        String domain = parts[1];
-
-        if (localPart.length() > 64) {
-            errors.rejectValue("email", "email.local.too.long",
-                    "Email username too long");
-        }
-
-        if (!localPart.matches("^[a-z0-9+_.-]+$")) {
-            errors.rejectValue("email", "email.local.invalid.chars",
-                    "Email contains invalid characters");
-        }
-
-        validateEmailDomain(domain, errors);
     }
 
-    private void validateEmailDomain(String domain, Errors errors) {
-        if (domain.length() > 255) {
-            errors.rejectValue("email", "email.domain.too.long",
-                    "Email domain too long");
-        }
-
-        String[] domainParts = domain.split("\\.");
-        if (domainParts.length < 2) {
-            errors.rejectValue("email", "email.domain.invalid",
-                    "Invalid domain name");
-        }
-
-        String tld = domainParts[domainParts.length - 1];
-        if (tld.length() < 2) {
-            errors.rejectValue("email", "email.tld.invalid",
-                    "Invalid domain extension");
-        }
-    }
 
     private void validatePhone(String phone, Errors errors) {
         if (phone == null || phone.trim().isEmpty()) {

src/main/java/ru/soune/nocopy/repository/UserRepository.java

@@ -1,5 +1,6 @@
 package ru.soune.nocopy.repository;
 
+import jakarta.validation.constraints.Size;
 import org.springframework.data.jpa.repository.JpaRepository;
 import ru.soune.nocopy.entity.User;
 
@@ -8,4 +9,5 @@ import java.util.Optional;
 public interface UserRepository extends JpaRepository<User, Long> {
     Optional<User> findByEmail(String email);
     boolean existsByEmail(String email);
+    boolean existsByPhone(@Size(min = 11, max = 14) String phone);
 }