UserCourseInformationsManager.java

/**
 * <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.course.assessment.manager;

import java.util.Date;
import java.util.List;
import java.util.Map;

import org.olat.basesecurity.IdentityRef;
import org.olat.core.id.Identity;
import org.olat.course.assessment.UserCourseInformations;
import org.olat.repository.RepositoryEntry;
import org.olat.resource.OLATResource;

/**
 * 
 * @author srosse, stephane.rosse@frentix.com, http://www.frentix.com
 */
public interface UserCourseInformationsManager {
	
	public UserCourseInformations getUserCourseInformations(OLATResource resource, IdentityRef identity);

	public List<UserCourseInformations> getUserCourseInformations(IdentityRef identity, List<OLATResource> resources);
	
	public void updateUserCourseInformations(OLATResource courseResource, Identity identity);
	
	public Date getInitialLaunchDate(OLATResource resource, IdentityRef identity);
	
	public Date getRecentLaunchDate(OLATResource resource, IdentityRef identity);
	
	/**
	 * Get all last launch date for all visitors.
	 * @param resource
	 * @return
	 */
	public Map<Long,Date> getRecentLaunchDates(OLATResource resource);
	
	public Map<Long,Date> getRecentLaunchDates(OLATResource resource, List<Identity> identities);
	
	/**
	 * Return the initial launch dates of a list of users.
	 * @param courseResourceId
	 * @param identities
	 * @return
	 */
	public Map<Long,Date> getInitialLaunchDates(OLATResource resource, List<Identity> identities);
	
	/**
	 * Return all initial launch dates of a course.
	 * 
	 * @param courseResourceId
	 * @return
	 */
	public Map<Long,Date> getInitialLaunchDates(Long courseResourceId);
	
	public int deleteUserCourseInformations(RepositoryEntry entry);

}