/*
* 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.server.action.execution.notification.filter;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.eurekastreams.commons.actions.ExecutionStrategy;
import org.eurekastreams.commons.actions.context.PrincipalActionContext;
import org.eurekastreams.server.domain.NotificationFilterPreferenceDTO;
import org.eurekastreams.server.persistence.mappers.DomainMapper;
import org.eurekastreams.server.persistence.mappers.requests.SetUserNotificationFilterPreferencesRequest;
/**
* This action updates the current user's preferences to disable a given notification category for all notifier types.
* It could easily be updated to user parameter extractors to make it get the user from the parameter instead of the
* context.
*/
public class DisableNotificationCategoryExecution implements ExecutionStrategy<PrincipalActionContext>
{
/** Mapper to update preferences. */
private final DomainMapper<SetUserNotificationFilterPreferencesRequest, Void> prefsMapper;
/** Notifiers which can be disabled. */
private final Map<String, String> notifierTypes;
/**
* Constructor.
*
* @param inPrefsMapper
* Mapper to update preferences.
* @param inNotifierTypes
* Notifiers which can be disabled.
*/
public DisableNotificationCategoryExecution(
final DomainMapper<SetUserNotificationFilterPreferencesRequest, Void> inPrefsMapper,
final Map<String, String> inNotifierTypes)
{
prefsMapper = inPrefsMapper;
notifierTypes = inNotifierTypes;
}
/**
* {@inheritDoc} This method calls a database mapper to mark all application alerts as read for the user making the
* action request. The method then makes a mapper call to sync the count of unread items for the current user with
* the cached unread count.
*/
@Override
public Serializable execute(final PrincipalActionContext inActionContext)
{
String category = (String) inActionContext.getParams();
long userId = inActionContext.getPrincipal().getId();
// build list of preferences to set: one for each disableable notifier
List<NotificationFilterPreferenceDTO> dtos = new ArrayList<NotificationFilterPreferenceDTO>();
for (String notifier : notifierTypes.keySet())
{
dtos.add(new NotificationFilterPreferenceDTO(notifier, category));
}
prefsMapper.execute(new SetUserNotificationFilterPreferencesRequest(userId, dtos));
return null;
}
}