Synnefo » Pithos Web Client

/*

 * Copyright 2011-2013 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 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;

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;

/**

 * 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.removeMemberID(user.getUserID());

            String path = "?update=";

            PostRequest updateGroup = new PostRequest(Pithos.getStorageAPIURL(), 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("X-Auth-Token", app.getUserToken());

                String groupMembers = "";

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

                        for (String u : group.getMemberIDs())

                                groupMembers += (URL.encodePathSegment(u) + ",");

                }

                else

                        groupMembers = "~";

                updateGroup.setHeader("X-Account-Group-" + URL.encodePathSegment(group.getName()), groupMembers);

                Scheduler.get().scheduleDeferred(updateGroup);

        }

}