public static IList <string> GetAllAccessRoles(User user, object entity)
{
IList <string> accessRoles = new List <string>();
if (entity == null)
{
foreach (Role role in user.Roles)
{
accessRoles.Add(role.Name);
}
return(accessRoles);
}
switch (entity.GetType().BaseType.Name)
{
case "Course":
Course course = (Course)entity;
if (user.Equals(course.Teacher.User))
{
accessRoles.Add("Teacher");
}
if (user.GetTutor() != null)
{
Tutor authorizedTutor = user.GetTutor();
foreach (Lesson otherLesson in authorizedTutor.Lessons)
{
if (course.Equals(otherLesson.Assignment.Course))
{
accessRoles.Add("Tutor");
break;
}
}
}
if (user.GetStudent() != null)
{
accessRoles.Add("Student");
}
return(accessRoles);
case "Assignment":
Assignment assignment = (Assignment)entity;
if (user.Equals(assignment.Course.Teacher.User))
{
accessRoles.Add("Teacher");
}
if (user.GetTutor() != null)
{
Tutor authorizedTutor = user.GetTutor();
foreach (Lesson otherLesson in authorizedTutor.Lessons)
{
if (assignment.Equals(otherLesson.Assignment))
{
accessRoles.Add("Tutor");
break;
}
}
}
if (user.GetStudent() != null)
{
Student authorizedStudent = user.GetStudent();
foreach (GroupMembership membership in authorizedStudent.GroupMemberships)
{
if (membership.Group.Lesson.Assignment.Equals(assignment))
{
accessRoles.Add("Student");
break;
}
}
}
return(accessRoles);
case "Lesson":
Lesson lesson = (Lesson)entity;
if (user.Equals(lesson.Assignment.Course.Teacher.User))
{
accessRoles.Add("Teacher");
}
if (user.GetTutor() != null)
{
Tutor authorizedTutor = user.GetTutor();
if (authorizedTutor.Equals(lesson.Tutor))
{
accessRoles.Add("Tutor");
}
}
if (user.GetStudent() != null)
{
Student authorizedStudent = user.GetStudent();
foreach (GroupMembership membership in authorizedStudent.GroupMemberships)
{
if (lesson.Equals(membership.Group.Lesson))
{
accessRoles.Add("Student");
break;
}
}
}
return(accessRoles);
case "Group":
Models.Group group = (Models.Group)entity;
if (user.Equals(group.Lesson.Assignment.Course.Teacher.User))
{
accessRoles.Add("Teacher");
}
if (user.GetTutor() != null)
{
Tutor authorizedTutor = user.GetTutor();
if (authorizedTutor.Equals(group.Lesson.Tutor))
{
accessRoles.Add("Tutor");
}
}
if (user.GetStudent() != null)
{
Student authorizedStudent = user.GetStudent();
foreach (GroupMembership membership in authorizedStudent.GroupMemberships)
{
if (group.Equals(membership.Group))
{
accessRoles.Add("Student");
break;
}
}
}
return(accessRoles);
default:
return(accessRoles);
}
}