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package ee.tlu.htk.dippler.course;

import javax.ejb.Local;

/**
 *
 * @author metz
 */
@Local
public interface ActivityManagerLocal {

    public java.lang.String loadActivities(ee.tlu.htk.dippler.entities.Course course);
    public java.lang.String manageActivity(java.lang.String action, java.lang.String data, ee.tlu.htk.dippler.entities.User user);

    public void addActivity(java.lang.String event, ee.tlu.htk.dippler.entities.Course course, ee.tlu.htk.dippler.entities.User user, java.lang.Long object_id, java.lang.String object_title, java.lang.String object_type);

    public java.lang.String marshal(ee.tlu.htk.dippler.entities.Activity activity);

    public java.lang.Long getUserCourseActivityCount(java.lang.Long user_id, java.lang.Long course_id);

    public java.lang.String getUserCourseActivityLastDate(java.lang.Long user_id, java.lang.Long course_id);
    
}