public CheckRoleResult CheckCourseRole(long? id)
{
var result = new CheckRoleResult();
if (id == null)
{
result.ActionResult = RedirectErrorPage(Url.Action("Index", "Home"));
result.IsValid = false;
}
else
{
var userid = User.Identity.GetUserId();
var account = DbContext.Accounts.FirstOrDefault(s => s.Id == userid);
// ReSharper disable once PossibleNullReferenceException
var course = account.Courses.FirstOrDefault(s => s.CourseId == id && s.Actived);
if (course == null)
{
result.ActionResult = RedirectErrorPage(Url.Action("Index", "Home"));
result.IsValid = false;
}
else
{
result.Course = course;
result.Account = account;
result.IsValid = true;
}
}
return result;
}
public CheckRoleResult CheckGroupRole(long? id)
{
var result = new CheckRoleResult();
if (id == null)
{
result.ActionResult = RedirectErrorPage();
result.IsValid = false;
}
else
{
var group = DbContext.Groups.Find(id);
if (group == null)
{
result.ActionResult = RedirectErrorPage();
result.IsValid = false;
}
else
{
if (group.Course.TeacherId != User.Identity.GetUserId())
{
result.ActionResult = RedirectAccessDeniedPage();
result.IsValid = false;
}
else
{
result.Group = group;
result.IsValid = true;
}
}
}
return result;
}
private List<Test> GetSubmitNo(List<Test> tests, CheckRoleResult result)
{
var answerSheets = result.Account.AnswerSheets.ToList();
foreach (var answersheet in answerSheets)
{
var test = tests.Find(s => s.TestId == answersheet.TestId);
if (test != null)
{
test.SubmitNoUser++;
test.Scores.Add(answersheet.Score);
}
}
return tests;
}