Synnefo » Pithos Web Client

/*

 * Copyright 2011-2012 GRNET S.A. All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or

 * without modification, are permitted provided that the following

 * conditions are met:

 *

 *   1. Redistributions of source code must retain the above

 *      copyright notice, this list of conditions and the following

 *      disclaimer.

 *

 *   2. Redistributions in binary form must reproduce the above

 *      copyright notice, this list of conditions and the following

 *      disclaimer in the documentation and/or other materials

 *      provided with the distribution.

 *

 * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS

 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR

 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF

 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED

 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN

 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

 * POSSIBILITY OF SUCH DAMAGE.

 *

 * The views and conclusions contained in the software and

 * documentation are those of the authors and should not be

 * interpreted as representing official policies, either expressed

 * or implied, of GRNET S.A.

 */

package gr.grnet.pithos.web.client.commands;

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

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

import com.google.gwt.http.client.Response;

import com.google.gwt.http.client.URL;

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

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

import gr.grnet.pithos.web.client.Const;

import gr.grnet.pithos.web.client.Pithos;

import gr.grnet.pithos.web.client.Resource;

import gr.grnet.pithos.web.client.grouptree.Group;

import gr.grnet.pithos.web.client.grouptree.User;

import gr.grnet.pithos.web.client.rest.PostRequest;

import gr.grnet.pithos.web.client.rest.RestException;

/**

 * Display the 'new folder' dialog for creating a new folder.

 */

public class RemoveUserCommand implements Command {

    private PopupPanel containerPanel;

    User user;

    Pithos app;

    /**

     * @param aContainerPanel

     */

    public RemoveUserCommand(Pithos _app, PopupPanel aContainerPanel, User _user) {

        app = _app;

        containerPanel = aContainerPanel;

        user = _user;

    }

    @Override

    public void execute() {

        if(containerPanel != null) {

            containerPanel.hide();

        }

        final String groupName = user.getGroup();

        final Group group = app.getAccount().getGroup(groupName);

        if(group == null) {

            return;

        }

        group.removeUser(user);

        String path = "?update=";

        PostRequest updateGroup = new PostRequest(app, app.getApiPath(), app.getUserID(), path) {

            @Override

            public void onSuccess(Resource result) {

                app.fetchAccount(new Command() {

                    @Override

                    public void execute() {

                        Group updatedGroup2 = app.getAccount().getGroup(groupName);

                        if(updatedGroup2 != null) {

                            app.updateGroupNode(updatedGroup2);

                        }

                        else {

                            app.updateGroupNode(null);

                        }

                    }

                });

            }

            @Override

            public void onError(Throwable t) {

                GWT.log("", t);

                app.setError(t);

                if(t instanceof RestException) {

                    app.displayError("Unable to update group:" + ((RestException) t).getHttpStatusText());

                }

                else {

                    app.displayError("System error updating group:" + t.getMessage());

                }

            }

            @Override

            protected void onUnauthorized(Response response) {

                app.sessionExpired();

            }

        };

        updateGroup.setHeader(Const.X_AUTH_TOKEN, app.getUserToken());

        final String groupMembers;

        if(!group.getUsers().isEmpty()) {

            groupMembers = group.encodeUserIDsForXAccountGroup();

        }

        else {

            groupMembers = "~";

        }

        updateGroup.setHeader(Const.X_ACCOUNT_GROUP_ + URL.encodePathSegment(group.getName()), groupMembers);

        Scheduler.get().scheduleDeferred(updateGroup);

    }

}