/**
* OLAT - Online Learning and Training<br>
* http://www.olat.org
* <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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <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>
* Copyright (c) since 2004 at Multimedia- & E-Learning Services (MELS),<br>
* University of Zurich, Switzerland.
* <p>
*/
package org.olat.course.condition.interpreter;
import org.olat.core.id.Identity;
import org.olat.core.logging.Tracing;
import org.olat.course.editor.CourseEditorEnv;
import org.olat.course.groupsandrights.CourseGroupManager;
import org.olat.course.run.userview.UserCourseEnvironment;
/**
* Initial Date: Jun 16, 2004
* @author Felix Jost
* Description: A user is course coach if he/she is in at least one owner group of a learning group of the learning group context of the course
*/
public class IsCourseCoachFunction extends AbstractFunction {
public static final String name = "isCourseCoach";
/**
* @param userCourseEnv
*/
public IsCourseCoachFunction(UserCourseEnvironment userCourseEnv) {
super(userCourseEnv);
}
/**
* @see com.neemsoft.jmep.FunctionCB#call(java.lang.Object[])
*/
public Object call(Object[] inStack) {
/*
* expression check only if cev != null
*/
CourseEditorEnv cev = getUserCourseEnv().getCourseEditorEnv();
if (cev != null) {
// return a valid value to continue with condition evaluation test
return defaultValue();
}
Identity ident = getUserCourseEnv().getIdentityEnvironment().getIdentity();
CourseGroupManager cgm = getUserCourseEnv().getCourseEnvironment().getCourseGroupManager();
boolean isCourseCoach = cgm.isIdentityCourseCoach(ident);
if (Tracing.isDebugEnabled(IsCourseCoachFunction.class)) {
Tracing.logDebug("identity "+ident.getName()+", coursecoach:"+isCourseCoach+", in course "+getUserCourseEnv().getCourseEnvironment().getCourseResourceableId(), IsCourseCoachFunction.class);
}
return isCourseCoach ? ConditionInterpreter.INT_TRUE: ConditionInterpreter.INT_FALSE;
}
protected Object defaultValue() {
return ConditionInterpreter.INT_TRUE;
}
}