/*
* Copyright (c) 2010-2011 Lockheed Martin Corporation
*
* 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.eurekastreams.web.client.model;
import org.eurekastreams.server.action.request.profile.GetFollowersFollowingRequest;
import org.eurekastreams.server.action.request.profile.SetFollowingStatusRequest;
import org.eurekastreams.server.domain.Follower.FollowerStatus;
import org.eurekastreams.server.domain.PagedSet;
import org.eurekastreams.server.search.modelview.PersonModelView;
import org.eurekastreams.web.client.events.EventBus;
import org.eurekastreams.web.client.events.data.DeletedPersonFollowerResponseEvent;
import org.eurekastreams.web.client.events.data.GotPersonFollowerStatusResponseEvent;
import org.eurekastreams.web.client.events.data.GotPersonFollowersResponseEvent;
import org.eurekastreams.web.client.events.data.InsertedPersonFollowerResponseEvent;
import org.eurekastreams.web.client.ui.Session;
/**
* People followers model.
*
*/
public class PersonFollowersModel extends BaseModel implements Fetchable<GetFollowersFollowingRequest>,
Insertable<SetFollowingStatusRequest>, Deletable<SetFollowingStatusRequest>
{
/**
* Singleton.
*/
private static PersonFollowersModel model = new PersonFollowersModel();
/**
* Gets the singleton.
*
* @return the singleton.
*/
public static PersonFollowersModel getInstance()
{
return model;
}
/**
* {@inheritDoc}
*/
public void fetch(final GetFollowersFollowingRequest request, final boolean useClientCacheIfAvailable)
{
super.callReadAction("getPersonFollowers", request, new OnSuccessCommand<PagedSet<PersonModelView>>()
{
public void onSuccess(final PagedSet<PersonModelView> response)
{
Session.getInstance().getEventBus().notifyObservers(new GotPersonFollowersResponseEvent(response));
}
}, useClientCacheIfAvailable);
}
/**
* {@inheritDoc}
*/
public void insert(final SetFollowingStatusRequest request)
{
super.callWriteAction("setFollowingStatusPersonTaskHandler", request, new OnSuccessCommand<Integer>()
{
public void onSuccess(final Integer response)
{
// clear following model
CurrentUserPersonFollowingStatusModel.getInstance().clearCache();
StreamsDiscoveryModel.getInstance().clearCache();
EventBus eventBus = Session.getInstance().getEventBus();
eventBus.notifyObservers(new InsertedPersonFollowerResponseEvent(request, response));
eventBus.notifyObservers(new GotPersonFollowerStatusResponseEvent(FollowerStatus.FOLLOWING));
}
});
}
/**
* {@inheritDoc}
*/
public void delete(final SetFollowingStatusRequest request)
{
super.callWriteAction("setFollowingStatusPersonTaskHandler", request, new OnSuccessCommand<Integer>()
{
public void onSuccess(final Integer response)
{
// clear following model
CurrentUserPersonFollowingStatusModel.getInstance().clearCache();
StreamsDiscoveryModel.getInstance().clearCache();
EventBus eventBus = Session.getInstance().getEventBus();
eventBus.notifyObservers(new DeletedPersonFollowerResponseEvent(request, response));
eventBus.notifyObservers(new GotPersonFollowerStatusResponseEvent(FollowerStatus.NOTFOLLOWING));
}
});
}
}