UserPreferencesController.java

/*******************************************************************************
 * Copyright 2012 Christian Ternes and Thorsten Volland
 * 
 * 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 org.businessmanager.web.controller.page.user;

import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.Map;

import javax.annotation.PostConstruct;
import javax.faces.application.FacesMessage;
import javax.faces.model.SelectItem;

import org.businessmanager.domain.security.User;
import org.businessmanager.domain.settings.ApplicationSetting;
import org.businessmanager.geodb.Country;
import org.businessmanager.geodb.OpenGeoDB;
import org.businessmanager.service.security.UserService;
import org.businessmanager.service.settings.ApplicationSettingsService;
import org.businessmanager.web.bean.UserBean;
import org.businessmanager.web.controller.AbstractController;
import org.businessmanager.web.controller.LanguageController;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Scope;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.stereotype.Component;

@Component("userPreferencesController")
@Scope("view")
public class UserPreferencesController extends AbstractController {

	@Autowired
	private OpenGeoDB openGeoService;
	
	@Autowired
	private UserService userService;
	
	@Autowired
	private LanguageController languageController;
	
	@Autowired
	private ApplicationSettingsService settingsService;
	
	private User currentUser;
	private Map<String, String> userPreferences = new HashMap<String, String>();
	private UserBean bean = new UserBean();
	private boolean showPasswordDialog = false;
	
	@PostConstruct
	public void init() {
		String username = SecurityContextHolder.getContext().getAuthentication().getName();
		if(username != null) {
			currentUser = userService.getUserByName(username);
			initUserPreferences(username);
		}
	}
	
	private void initUserPreferences(String username) {
		List<ApplicationSetting> settingsList = settingsService.getApplicationSettingsByUsername(username);
		for (ApplicationSetting setting : settingsList) {
			userPreferences.put(setting.getParamKey(), setting.getParamValue());
		}
	}

	public List<Country> getAvailableCountries() {
		String language = facesContext.getLocale().getLanguage();
		return openGeoService.getListOfCountries(language);
	}
	
	public List<SelectItem> getAvailableLanguages() {
		return languageController.getAvailableLanguages();
	}
	
	public void changePassword() {
		String password = bean.getPassword();
		currentUser.setPassword(password);
		userService.updateUser(currentUser, true, currentUser.isAdministrator());
		
		addMessage(FacesMessage.SEVERITY_INFO, "userpreferences_password_changed");
		showPasswordDialog = false;
	}
	
	public void saveSettings() {
		if(userPreferences != null) {
			Iterator<String> iter = userPreferences.keySet().iterator();
			while(iter.hasNext()) {
				String key = iter.next();
				String value = userPreferences.get(key);
				if(value != null) {
					settingsService.setApplicationSetting(ApplicationSetting.Group.USER_PREFERENCS, key, value, currentUser.getUsername());
				}
				
				//set language
				if(key.equals(ApplicationSettingsService.GENERAL_LANGUAGE)) {
					languageController.setLocale(new Locale(value));
				}
			}
			
			//refresh countries to reflect default country selection
			openGeoService.refreshListOfCountries();
			
			addMessage(FacesMessage.SEVERITY_INFO, "settings_saved");
		}
	}

	public User getCurrentUser() {
		return currentUser;
	}

	public Map<String, String> getUserPreferences() {
		return userPreferences;
	}

	public UserBean getBean() {
		return bean;
	}

	public boolean getShowPasswordDialog() {
		return showPasswordDialog;
	}
	
	public void showPasswordDialog() {
		showPasswordDialog = true;
	}
	
}