/**
* <a href="http://www.openolat.org">
* OpenOLAT - Online Learning and Training</a><br>
* <p>
* Licensed under the Apache License, Version 2.0 (the "License"); <br>
* you may not use this file except in compliance with the License.<br>
* You may obtain a copy of the License at the
* <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache homepage</a>
* <p>
* Unless required by applicable law or agreed to in writing,<br>
* software distributed under the License is distributed on an "AS IS" BASIS, <br>
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. <br>
* See the License for the specific language governing permissions and <br>
* limitations under the License.
* <p>
* Initial code contributed and copyrighted by<br>
* frentix GmbH, http://www.frentix.com
* <p>
*/
package org.olat.group;
import java.util.Date;
import java.util.List;
import org.olat.basesecurity.Constants;
import org.olat.core.CoreSpringFactory;
import org.olat.core.gui.UserRequest;
import org.olat.core.gui.control.Controller;
import org.olat.core.gui.control.WindowControl;
import org.olat.core.id.OLATResourceable;
import org.olat.core.id.context.ContextEntry;
import org.olat.core.id.context.ContextEntryControllerCreator;
import org.olat.core.id.context.DefaultContextEntryControllerCreator;
import org.olat.core.util.UserSession;
import org.olat.group.right.BGRightManager;
import org.olat.group.ui.BGControllerFactory;
import org.olat.resource.accesscontrol.ACService;
import org.olat.resource.accesscontrol.AccessControlModule;
/**
* <h3>Description:</h3>
* <p>
* This class can create run controllers for business groups for a given context
* entry
* <p>
* Initial Date: 19.08.2009 <br>
*
* @author gnaegi, gnaegi@frentix.com, www.frentix.com
*/
public class BusinessGroupContextEntryControllerCreator extends DefaultContextEntryControllerCreator {
private BusinessGroup group;
private Boolean authorized;
@Override
public ContextEntryControllerCreator clone() {
return new BusinessGroupContextEntryControllerCreator();
}
/**
* @see org.olat.core.id.context.ContextEntryControllerCreator#createController(org.olat.core.id.context.ContextEntry,
* org.olat.core.gui.UserRequest,
* org.olat.core.gui.control.WindowControl)
*/
@Override
public Controller createController(List<ContextEntry> ces, UserRequest ureq, WindowControl wControl) {
Controller ctrl = null;
BusinessGroup bgroup = getBusinessGroup(ces.get(0));
if(bgroup != null && isAuthorized(ureq, bgroup)) {
ctrl = BGControllerFactory.getInstance().createRunControllerFor(ureq, wControl, bgroup);
}
return ctrl;
}
/**
* @see org.olat.core.id.context.ContextEntryControllerCreator#getTabName(org.olat.core.id.context.ContextEntry)
*/
@Override
public String getTabName(ContextEntry ce, UserRequest ureq) {
BusinessGroup bgroup = getBusinessGroup(ce);
return bgroup == null ? "" : bgroup.getName();
}
@Override
public boolean validateContextEntryAndShowError(ContextEntry ce, UserRequest ureq, WindowControl wControl) {
BusinessGroup bgroup = getBusinessGroup(ce);
return bgroup != null && isAuthorized(ureq, bgroup);
}
private boolean isAccessControlled(BusinessGroup bgroup) {
AccessControlModule acModule = (AccessControlModule)CoreSpringFactory.getBean("acModule");
if(acModule.isEnabled()) {
ACService acService = CoreSpringFactory.getImpl(ACService.class);
if(acService.isResourceAccessControled(bgroup.getResource(), new Date())) {
return true;
}
}
return false;
}
private boolean isAuthorized(UserRequest ureq, BusinessGroup bgroup) {
if(authorized == null) {
UserSession usess = ureq.getUserSession();
Object wildcard = usess.getEntry("wild_card_" + bgroup.getKey());
authorized = (wildcard != null && Boolean.TRUE.equals(wildcard))
|| usess.getRoles().isOLATAdmin()
|| usess.getRoles().isGroupManager()
|| CoreSpringFactory.getImpl(BusinessGroupService.class).isIdentityInBusinessGroup(ureq.getIdentity(), bgroup)
|| CoreSpringFactory.getImpl(BGRightManager.class).hasBGRight(Constants.PERMISSION_ACCESS, ureq.getIdentity(), bgroup.getResource())
|| isAccessControlled(bgroup);
}
return authorized.booleanValue();
}
private BusinessGroup getBusinessGroup(ContextEntry ce) {
if(group == null) {
OLATResourceable ores = ce.getOLATResourceable();
Long gKey = ores.getResourceableId();
BusinessGroupService bgs = CoreSpringFactory.getImpl(BusinessGroupService.class);
group = bgs.loadBusinessGroup(gKey);
}
return group;
}
}