public Grade(Assessment assessment, Profile profile)
{
IsLate = false;
Assessment = assessment;
Student = profile;
SubmissionRecord record = (from s in assessment.SubmissionRecords
where s.StudentID == profile.MembershipID
orderby s.Score descending
select s).FirstOrDefault();
if (record == null)
{
Points = 0;
Percentage = 0;
SubmissionRecord = null;
}
else
{
Points = record.Score;
Percentage = (assessment.IsExtraCredit)? 100 : ((record.Score / assessment.Weight) * 100);
SubmissionRecord = record;
if (record.SubmissionDate.CompareTo(assessment.DueDate) > 0)
{
IsLate = true;
}
}
}
public GradeSection(AssessmentType assessmentType, Profile profile, AssessTrackDataRepository repo, bool includeExtraCredit, DateTime date)
{
AssessmentType = assessmentType;
TotalPoints = MaxPoints = 0;
Grades = new List<Grade>();
CourseTermMember member = repo.GetCourseTermMemberByMembershipID(assessmentType.CourseTerm, profile.MembershipID);
List<Assessment> assessments = repo.GetAllNonTestBankAssessments(assessmentType.CourseTerm, includeExtraCredit, assessmentType, member).Where(test => test.DueDate.CompareTo(date) < 0).ToList();
foreach (Assessment assessment in assessments)
{
Grade grade = new Grade(assessment, profile);
Grades.Add(grade);
if ((grade.SubmissionRecord != null && grade.SubmissionRecord.GradedBy != null) ||
(DateTime.Now.CompareTo(assessment.DueDate) > 0 && grade.SubmissionRecord == null))
{
MaxPoints += assessment.Weight;
TotalPoints += grade.Points;
}
}
//if (TotalPoints > 0 && MaxPoints == 0) //if everything is extra credit
//{
// MaxPoints = 1; //to avoid division by zero
//}
if (MaxPoints == 0)
{
Percentage = 0;
Weight = 0;
}
else
{
Percentage = (TotalPoints / MaxPoints) * 100;
Weight = assessmentType.Weight;
}
}
public double Score(Profile profile)
{
Grade grade = new Grade(this.Assessment, profile);
if (grade.SubmissionRecord == null)
return 0.0;
var responses = from response in grade.SubmissionRecord.Responses where response.Answer.QuestionID == this.QuestionID select response;
double? score = responses.Sum(response => response.Score);
return (score.HasValue) ? score.Value : 0.0;
}
public void CreateSite(Profile owner, Site site)
{
dc.Sites.InsertOnSubmit(site);
dc.SiteMembers.InsertOnSubmit(new SiteMember()
{
MembershipID = owner.MembershipID,
Site = site,
AccessLevel = 10
});
dc.SubmitChanges();
}
public void CreateProfile(Profile newProfile)
{
newProfile.AccessLevel = 1;
dc.Profiles.InsertOnSubmit(newProfile);
dc.SubmitChanges();
}
public bool IsCourseTermMember(CourseTerm courseTerm, Profile profile)
{
CourseTermMember ctMember = (from ctm in dc.CourseTermMembers
where ctm.CourseTerm == courseTerm
&& ctm.Profile == profile
select ctm).SingleOrDefault();
return (ctMember != null);
}
double ITaggable.Score(Profile profile)
{
Grade grade = new Grade(this, profile);
return grade.Points;
}
public ActionResult Register(string userName, string email, string password, string confirmPassword)
{
ViewData["PasswordLength"] = MembershipService.MinPasswordLength;
if (ValidateRegistration(userName, email, password, confirmPassword))
{
// Attempt to register the user
MembershipCreateStatus createStatus = MembershipService.CreateUser(userName, password, email);
if (createStatus == MembershipCreateStatus.Success)
{
Guid membershipID = UserHelpers.GetIDFromUsername(userName);
Profile profile = new Profile();
UpdateModel(profile);
if (ModelState.IsValid)
{
try
{
profile.MembershipID = membershipID;
dataRepository.CreateProfile(profile);
FormsAuth.SignIn(userName, false /* createPersistentCookie */);
return RedirectToAction("Index", "Home");
}
catch
{
ModelState.AddModelErrors(profile.GetRuleViolations());
}
}
}
else
{
ModelState.AddModelError("_FORM", ErrorCodeToString(createStatus));
}
}
// If we got this far, something failed, redisplay form
return View();
}
public ActionResult AcceptInvite(Guid id, string userName, string password, string confirmPassword)
{
Invitation invite = dataRepository.Single<Invitation>(inv => inv.InvitationID == id);
if (invite == null)
{
FlashMessageHelper.AddMessage("Invite not found.");
return RedirectToRoute(new { action = "Index", controller = "Home" });
}
using (TransactionScope scope = new TransactionScope())
{
string email = invite.Email;
ViewData["PasswordLength"] = MembershipService.MinPasswordLength;
if (ValidateRegistration(userName, email, password, confirmPassword))
{
// Attempt to register the user
MembershipCreateStatus createStatus = MembershipService.CreateUser(userName, password, email);
if (createStatus == MembershipCreateStatus.Success)
{
Guid membershipID = UserHelpers.GetIDFromUsername(userName);
Profile profile = new Profile();
UpdateModel(profile);
if (ModelState.IsValid)
{
try
{
profile.MembershipID = membershipID;
dataRepository.CreateProfile(profile);
//Create site membership
SiteMember sitemember = new SiteMember()
{
AccessLevel = invite.SiteAccessLevel,
Site = invite.Site,
Profile = profile
};
//Create courseterm member
if (invite.CourseTerm != null)
{
CourseTermMember ctmember = new CourseTermMember()
{
AccessLevel = invite.CourseTermAccessLevel.Value,
CourseTerm = invite.CourseTerm,
Profile = profile
};
}
invite.Accepted = true;
dataRepository.Save();
FormsAuth.SignIn(userName, false /* createPersistentCookie */);
scope.Complete();
return RedirectToAction("Index", "Home");
}
catch
{
ModelState.AddModelErrors(profile.GetRuleViolations());
}
}
}
else
{
ModelState.AddModelError("_FORM", ErrorCodeToString(createStatus));
}
}
}
// If we got this far, something failed, redisplay form
return View(invite);
}
public double GetStudentScoreForTag(Tag tag, Profile profile)
{
double totalweight = 0.0;
double totalpoints = 0.0;
List<ITaggable> items = GetTaggedItems(tag);
foreach (var taggeditem in items)
{
totalpoints += taggeditem.Score(profile);
totalweight += taggeditem.Weight;
}
double avg = totalpoints / totalweight * 100;
if (double.IsNaN(avg))
{
avg = -100.0;
}
return avg;
}
public double GetStudentPfmeForTag(Tag tag, Profile profile)
{
double totalweight = 0.0;
double totalpoints = 0.0;
List<ITaggable> items = GetTaggedItems(tag);
foreach (var taggeditem in items)
{
totalpoints += taggeditem.Score(profile);
totalweight += taggeditem.Weight;
}
double avg = totalpoints / totalweight * 100;
double pfme = GradeHelpers.GetPfme(avg);
return pfme;
}
public List<TagViewModel> GetStrugglingTags(Profile p, CourseTerm t)
{
var tags = from tag in t.Tags
let score = GetStudentScoreForTag(tag, p)
where score <= 65.0 && score >= 0.0
select new TagViewModel() { Tag = tag, Score = GetStudentScoreForTag(tag, p) };
return tags.ToList();
}
public bool IsSiteMember(Site site, Profile profile)
{
return IsSiteMember(site, profile.MembershipID);
}
public PerformanceReportModel(List<GradeSection> sections, Profile profile)
{
GradeSections = sections;
Profile = profile;
}
public GradeSnapshotModel(StudentGradeDistribution g, Profile p)
{
gradeDist = g;
profile = p;
}
public double Score(Profile profile)
{
Grade grade = new Grade(this.Assessment, profile);
if (grade.SubmissionRecord == null || grade.SubmissionRecord.Responses.Count == 0)
return 0.0;
var response = (from resp in grade.SubmissionRecord.Responses where resp.AnswerID == this.AnswerID select resp).FirstOrDefault();
if (response == null)
{
return 0.0;
}
return (response.Score.HasValue)? response.Score.Value : 0.0;
}
