Refactor code

- Rename AppConfiguration -> AccountModuleConfiguration
- Refactor RegisterAccountProcessor using cqs principle

src/main/java/com/yam/app/account/application/AccountFacade.java

@@ -38,10 +38,9 @@ public class AccountFacade {
 
     @Transactional
     public void register(RegisterAccountCommand command) {
-        var entity = registerProcessor.register(
-            command.getEmail(),
-            command.getPassword()
-        );
+        registerProcessor.register(command.getEmail(), command.getPassword());
+        var entity = accountReader.findByEmail(command.getEmail())
+            .orElseThrow(() -> new AccountNotFoundException(command.getEmail()));
         publisher.publishEvent(new RegisterAccountEvent(entity));
     }
 

src/main/java/com/yam/app/account/domain/RegisterAccountProcessor.java

@@ -15,7 +15,7 @@ public final class RegisterAccountProcessor {
         this.passwordEncrypter = passwordEncrypter;
     }
 
-    public Account register(String email, String password) {
+    public void register(String email, String password) {
         if (accountReader.existsByEmail(email)) {
             throw new DuplicateValueException(email);
         }
@@ -23,7 +23,5 @@ public final class RegisterAccountProcessor {
         String encodedPassword = passwordEncrypter.encode(password);
 
         accountRepository.save(Account.of(email, encodedPassword));
-        return accountReader.findByEmail(email)
-            .orElseThrow(() -> new AccountNotFoundException(email));
     }
 }

src/main/java/com/yam/app/account/infrastructure/AccountModuleConfiguration.java

@@ -17,7 +17,7 @@ import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
 import org.springframework.security.crypto.password.PasswordEncoder;
 
 @Configuration
-public class AppConfiguration {
+public class AccountModuleConfiguration {
 
     @Bean
     @Profile("prod")

src/main/java/com/yam/app/account/infrastructure/MailManager.java

@@ -2,8 +2,8 @@ package com.yam.app.account.infrastructure;
 
 import com.yam.app.account.domain.RegisterAccountEvent;
 import org.springframework.beans.factory.annotation.Value;
-import org.springframework.context.event.EventListener;
 import org.springframework.stereotype.Component;
+import org.springframework.transaction.event.TransactionalEventListener;
 import org.thymeleaf.TemplateEngine;
 import org.thymeleaf.context.Context;
 
@@ -21,7 +21,7 @@ final class MailManager {
         this.host = host;
     }
 
-    @EventListener
+    @TransactionalEventListener
     public void handle(RegisterAccountEvent event) {
         var newAccount = event.getAccount();
         var context = new Context();