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/*
* Copyright 2017 - 2020 Anton Tananaev (anton@traccar.org)
* Copyright 2017 Andrey Kunitsyn (andrey@traccar.org)
*
* 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.traccar.database;
import java.sql.SQLException;
import java.util.HashSet;
import java.util.Set;
import org.traccar.Context;
import org.traccar.model.Group;
public class GroupsManager extends BaseObjectManager<Group> implements ManagableObjects {
public GroupsManager(DataManager dataManager) {
super(dataManager, Group.class);
}
private void checkGroupCycles(Group group) {
Set<Long> groups = new HashSet<>();
while (group != null) {
if (groups.contains(group.getId())) {
throw new IllegalArgumentException("Cycle in group hierarchy");
}
groups.add(group.getId());
group = getById(group.getGroupId());
}
}
@Override
public Set<Long> getAllItems() {
Set<Long> result = super.getAllItems();
if (result.isEmpty()) {
refreshItems();
result = super.getAllItems();
}
return result;
}
@Override
protected void addNewItem(Group group) {
checkGroupCycles(group);
super.addNewItem(group);
}
@Override
public void updateItem(Group group) throws SQLException {
checkGroupCycles(group);
super.updateItem(group);
}
@Override
public Set<Long> getUserItems(long userId) {
if (Context.getPermissionsManager() != null) {
return Context.getPermissionsManager().getGroupPermissions(userId);
} else {
return new HashSet<>();
}
}
@Override
public Set<Long> getManagedItems(long userId) {
Set<Long> result = getUserItems(userId);
for (long managedUserId : Context.getUsersManager().getUserItems(userId)) {
result.addAll(getUserItems(managedUserId));
}
return result;
}
}
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