/// <summary>
/// Fetches all courses based on filter
/// </summary>
/// <param name="currentUser">Current user instance</param>
/// <param name="searchKeyword">search keyword for free text search</param>
/// <returns>List of Courses on filter</returns>
public List <Course> FilterCourses(User currentUser, string searchKeyword)
{
return(currentUser.IsTrainee ? LearningPathDataAccessor.FilterCourses(searchKeyword, currentUser.UserId)
: LearningPathDataAccessor.FilterCourses(searchKeyword));
}