Subversion Repositories SmartDukaan

package in.shop2020.catalog.dashboard.client;

import in.shop2020.catalog.dashboard.shared.Item;

import in.shop2020.catalog.dashboard.shared.Utils;

import com.google.gwt.core.client.GWT;

import com.google.gwt.event.dom.client.ClickEvent;

import com.google.gwt.uibinder.client.UiBinder;

import com.google.gwt.uibinder.client.UiField;

import com.google.gwt.uibinder.client.UiHandler;

import com.google.gwt.user.client.Window;

import com.google.gwt.user.client.rpc.AsyncCallback;

import com.google.gwt.user.client.ui.Button;

import com.google.gwt.user.client.ui.DialogBox;

import com.google.gwt.user.client.ui.PasswordTextBox;

import com.google.gwt.user.client.ui.TextBox;

import com.google.gwt.user.client.ui.Widget;

/**

 * This dialog is created when PushToProduction button is pressed.

 * It authenticates the PushToProduction username and password and calls 

 * CatalogService.updateItemOnProduction if authentication is successful.

 * 

 */

public class AuthenticateDialog extends DialogBox {

    interface Binder extends UiBinder<Widget, AuthenticateDialog> { }

    private static final Binder binder = GWT.create(Binder.class);

    private final LoginServiceAsync loginService = GWT.create(LoginService.class);

    private final CatalogServiceAsync catalogService = GWT.create(CatalogService.class);

    @UiField TextBox userId;

    @UiField PasswordTextBox password;

    @UiField Button cancelButton, submitButton;

    private final Item item;

    /**

     * Instantiates this dialog from ItemActions.java on PushToProduction button press.

     * @param - item object which needs to be updated on production server.

     */

    public AuthenticateDialog(Item item) {

        setText("Authentication for Production Update");

        setWidget(binder.createAndBindUi(this));

        setAnimationEnabled(true);

        center();

        this.item = item;

    }

    @UiHandler("submitButton")

    void authenticate(ClickEvent event) {

        //authenticate username & password with production role.

        loginService.authenticateUser(userId.getText(), password.getText(), new AsyncCallback<String>() {

            @Override

            public void onSuccess(String result) {

                if(result != null && Long.parseLong(result) == Utils.ROLE_PRODUCTION) {

                    //Authentication successful. Call update on production.

               		pushToProduction();

                } else {

                    Window.alert("Authentication failed");

                }

            }

            @Override

            public void onFailure(Throwable caught) {

                Window.alert("Authentication failed");

            }

        });

    }

    private void pushToProduction() {

        if(item == null) {

            Window.alert("Please select an item to push to production");

            return;

        }

        // returns string. If there is some error while updating on production, string will be the error message

        // otherwise it will be success message.

        catalogService.updateItemOnProduction(item, new AsyncCallback<String>() {

            @Override

            public void onSuccess(String result) {

                Window.alert(result);

                hide();

            }

            @Override

            public void onFailure(Throwable caught) {

                Window.alert("Error while updating item on production");

            }

        });

    }

    @UiHandler("cancelButton")

    void cancel(ClickEvent event) {

        hide();

    }

}