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/*
* Copyright 2013 Anton Tananaev (anton.tananaev@gmail.com)
*
* 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.traccar.web.client.controller;
import org.traccar.web.client.Application;
import org.traccar.web.client.ApplicationContext;
import org.traccar.web.client.model.BaseAsyncCallback;
import org.traccar.web.client.view.LoginDialog;
import org.traccar.web.shared.model.User;
import com.sencha.gxt.widget.core.client.box.AlertMessageBox;
public class LoginController implements LoginDialog.LoginHandler {
private LoginDialog dialog;
public interface LoginHandler {
public void onLogin();
}
private LoginHandler loginHandler;
public void login(final LoginHandler loginHandler) {
this.loginHandler = loginHandler;
Application.getDataService().authenticated(new BaseAsyncCallback<User>() {
@Override
public void onSuccess(User result) {
ApplicationContext.getInstance().setUser(result);
loginHandler.onLogin();
}
@Override
public void onFailure(Throwable caught) {
dialog = new LoginDialog(LoginController.this);
dialog.show();
}
});
}
private boolean validate(String login, String password) {
if (login == null || login.isEmpty() || password == null || password.isEmpty()) {
new AlertMessageBox("Error", "User name and password must not be empty").show();
return false;
}
return true;
}
@Override
public void onLogin(String login, String password) {
if (validate(login, password)) {
Application.getDataService().login(login, password, new BaseAsyncCallback<User>() {
@Override
public void onSuccess(User result) {
ApplicationContext.getInstance().setUser(result);
if (loginHandler != null) {
dialog.hide();
loginHandler.onLogin();
}
}
@Override
public void onFailure(Throwable caught) {
new AlertMessageBox("Error", "User name or password is invalid").show();
}
});
}
}
@Override
public void onRegister(String login, String password) {
if (validate(login, password)) {
Application.getDataService().register(login, password, new BaseAsyncCallback<User>() {
@Override
public void onSuccess(User result) {
ApplicationContext.getInstance().setUser(result);
if (loginHandler != null) {
dialog.hide();
loginHandler.onLogin();
}
}
@Override
public void onFailure(Throwable caught) {
new AlertMessageBox("Error", "Username is already taken").show();
}
});
}
}
}
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