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User Module
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/*
 * Copyright 2014 the original author or authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.foreach.across.modules.user.config;

import com.foreach.across.core.context.support.AcrossModuleMessageSource;
import com.foreach.across.modules.hibernate.jpa.repositories.config.EnableAcrossJpaRepositories;
import com.foreach.across.modules.user.UserModule;
import com.foreach.across.modules.user.UserModuleSettings;
import com.foreach.across.modules.user.controllers.AutoSuggestController;
import com.foreach.across.modules.user.repositories.MachinePrincipalRepository;
import com.foreach.across.modules.user.repositories.RoleRepository;
import com.foreach.across.modules.user.services.*;
import com.foreach.across.modules.user.services.support.DefaultUserDirectoryStrategy;
import com.foreach.across.modules.user.services.support.DefaultUserDirectoryStrategyImpl;
import com.foreach.across.modules.user.validators.GroupValidator;
import com.foreach.across.modules.user.validators.MachinePrincipalValidator;
import com.foreach.across.modules.user.validators.RoleValidator;
import com.foreach.across.modules.user.validators.UserDirectoryValidator;
import org.hibernate.validator.internal.constraintvalidators.hv.EmailValidator;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.context.MessageSource;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;

@Configuration
@ComponentScan(basePackageClasses = AutoSuggestController.class)
@EnableAcrossJpaRepositories(basePackageClasses = UserModule.class)
public class UserModuleConfiguration
{
	private static final Logger LOG = LoggerFactory.getLogger( UserModuleConfiguration.class );

	@Autowired
	private UserModuleSettings settings;

	@Bean
	public MessageSource messageSource() {
		return new AcrossModuleMessageSource();
	}

	@Bean
	public PermissionService permissionService() {
		return new PermissionServiceImpl();
	}

	@Bean
	public RoleService roleService() {
		return new RoleServiceImpl();
	}

	@Bean
	public GroupValidator groupValidator() {
		return new GroupValidator( groupService(), defaultUserDirectoryStrategy() );
	}

	@Bean
	public GroupService groupService() {
		return new GroupServiceImpl();
	}

	@Bean
	public MachinePrincipalValidator machinePrincipalValidator( MachinePrincipalRepository machinePrincipalRepository ) {
		return new MachinePrincipalValidator( machinePrincipalRepository, defaultUserDirectoryStrategy() );
	}

	@Bean
	public RoleValidator roleValidator( RoleRepository roleRepository ) {
		return new RoleValidator( roleRepository );
	}

	@Bean
	public MachinePrincipalService machinePrincipalService() {
		return new MachinePrincipalServiceImpl();
	}

	@ConditionalOnMissingBean(name = "userPasswordEncoder")
	@Bean(name = "userPasswordEncoder")
	public PasswordEncoder userPasswordEncoder() {
		PasswordEncoder encoder = settings.getPasswordEncoder();

		if ( encoder != null ) {
			LOG.debug( "Using the PasswordEncoder instance configured on the UserModule: {}", encoder );
			return encoder;
		}

		LOG.debug( "No PasswordEncoder instance configured on the module - defaulting to BCrypt" );

		return new BCryptPasswordEncoder();
	}

	@Bean
	public UserValidator userValidator() {
		return new UserValidator();
	}

	@Bean
	public EmailValidator emailValidator() {
		return new EmailValidator();
	}

	@Bean
	public DefaultUserDirectoryStrategy defaultUserDirectoryStrategy() {
		return new DefaultUserDirectoryStrategyImpl( userDirectoryService() );
	}

	@Bean
	public UserDirectoryService userDirectoryService() {
		return new UserDirectoryServiceImpl();
	}

	@Bean
	public UserDirectoryValidator userDirectoryValidator() {
		return new UserDirectoryValidator( userDirectoryService() );
	}

	@Bean
	public UserService userService() {
		return new UserServiceImpl();
	}

	@Bean
	public UserModifiedNotifier userModifiedNotifier() {
		return new UserModifiedNotifier();
	}
}