public IHttpActionResult DeleteUser(int id)
{
User authorizedUser = new Authorize().GetAuthorizedUser(Request.Headers.GetCookies("user").FirstOrDefault());
if (authorizedUser == null || authorizedUser.Id != id)
{
return(Unauthorized());
}
User user = db.Users.Find(id);
if (user == null)
{
return(NotFound());
}
if ((user.GetTeacher() != null && user.GetTeacher().Courses.Count > 0) ||
(user.GetTutor() != null && user.GetTutor().Lessons.Count > 0) ||
(user.GetStudent() != null && user.GetStudent().GroupMemberships.Count > 0))
{
return(BadRequest());
}
ICollection <object> entities = new HashSet <object>();
foreach (Role role in user.Roles)
{
entities.Add(role);
}
entities.Add(user);
string error = db.UpdateAll(entities, Deleted);
if (error != null)
{
return(BadRequest(error));
}
return(Redirect("https://" + Request.RequestUri.Host + ":" + Request.RequestUri.Port + "/Logout"));
}
public IHttpActionResult PostAssignment(AssignmentDetailTeacherDTO assignmentDTO)
{
Authorize auth = new Authorize();
User authorizedUser = auth.GetAuthorizedUser(Request.Headers.GetCookies("user").FirstOrDefault());
if (authorizedUser == null || authorizedUser.GetTeacher() == null)
{
return(Unauthorized());
}
Course course = db.Courses.Find(assignmentDTO.NewCourseId);
if (!"Teacher".Equals(auth.GetAccessRole(authorizedUser, course)))
{
return(Unauthorized());
}
Assignment derived = null;
if (assignmentDTO.NewIsDerived)
{
if (assignmentDTO.NewDerivedFromName == null)
{
return(BadRequest());
}
foreach (Assignment otherAssignment in course.Assignments)
{
if (assignmentDTO.NewDerivedFromName.Equals(otherAssignment.Name))
{
derived = otherAssignment;
break;
}
}
if (derived == null)
{
return(BadRequest());
}
}
if (!ModelState.IsValid || course == null || !assignmentDTO.Validate(null, derived))
{
return(BadRequest());
}
ICollection <object> objects = assignmentDTO.Create(derived);
string error = db.UpdateAll(objects, Added);
if (error != null)
{
return(BadRequest(error));
}
return(Redirect("https://" + Request.RequestUri.Host + ":" + Request.RequestUri.Port + "/Courses/" + course.Id));
}
public IHttpActionResult DeleteGradingScheme(int id)
{
Authorize auth = new Authorize();
User authorizedUser = auth.GetAuthorizedUser(Request.Headers.GetCookies("user").FirstOrDefault());
if (authorizedUser == null || authorizedUser.GetTeacher() == null)
{
return(Unauthorized());
}
GradingScheme scheme = db.GradingSchemes.Find(id);
if (scheme == null)
{
return(NotFound());
}
bool authorized = scheme.Courses.Count == 0;
if (!authorized)
{
foreach (Course course in scheme.Courses)
{
if ("Teacher".Equals(auth.GetAccessRole(authorizedUser, course)))
{
authorized = true;
break;
}
}
}
if (!authorized)
{
return(Unauthorized());
}
ICollection <object> entities = new HashSet <object>();
foreach (Grade grade in scheme.Grades)
{
entities.Add(grade);
}
entities.Add(scheme);
string error = db.UpdateAll(entities, Deleted);
if (error != null)
{
return(BadRequest(error));
}
return(StatusCode(HttpStatusCode.NoContent));
}
public IHttpActionResult PostGroupMembership(GroupMembershipDTO membershipDTO)
{
User authorizedUser = new Authorize().GetAuthorizedUser(Request.Headers.GetCookies("user").FirstOrDefault());
if (authorizedUser == null || authorizedUser.GetStudent() == null)
{
return(Unauthorized());
}
Student student = authorizedUser.GetStudent();
Assignment assignment = db.Assignments.Find(membershipDTO.NewAssignmentId);
if (assignment == null || assignment.Lessons == null)
{
return(BadRequest());
}
Lesson lesson = null;
Group group = null;
if (membershipDTO.NewLessonNumber > 0)
{
foreach (Lesson otherLesson in assignment.Lessons)
{
if (membershipDTO.NewLessonNumber == otherLesson.Number)
{
lesson = otherLesson;
break;
}
}
if (lesson == null)
{
return(BadRequest());
}
}
else if (membershipDTO.NewGroupNumber > 0)
{
lesson = null;
foreach (Lesson otherLesson in assignment.Lessons)
{
if (otherLesson.Groups != null)
{
foreach (Group otherGroup in otherLesson.Groups)
{
if (membershipDTO.NewGroupNumber == otherGroup.Number)
{
group = otherGroup;
lesson = otherLesson;
break;
}
}
}
if (group != null)
{
break;
}
}
if (group == null || lesson == null)
{
return(BadRequest());
}
}
if (!ModelState.IsValid || lesson == null || lesson.Assignment == null ||
lesson.Assignment.Course == null)
{
return(BadRequest());
}
if (!membershipDTO.Validate(student, group, lesson.Assignment))
{
return(BadRequest());
}
ICollection <object> memberships = membershipDTO.Create(student, group, lesson);
string error = db.UpdateAll(memberships, Added);
if (error != null)
{
return(BadRequest(error));
}
return(Redirect("https://" + Request.RequestUri.Host + ":" + Request.RequestUri.Port + "/Assignments/" + lesson.Assignment.Id));
}
