protected void UploadButton_Click(object sender, EventArgs e)
{
if (FileUploadControl.HasFile)
{
LTISpoof sessionData;
int reviewID;
string filename, filepath;
//string org = Session["OrganizationID"].ToString();
//int course = (int)Session["CourseID"];
//string lab = Session["AssignmentName"].ToString();
//string lnum = Session["StudentID"].ToString();
//string filepath = Session["OrganizationID"].ToString() + "/"
// + Session["CourseID"].ToString() + "/"
// + Session["AssignmentName"].ToString() + "/"
// + Session["StudentID"].ToString() + "/";
try
{
sessionData = new LTISpoof()
{
Name = Session["StudentName"].ToString(),
StudentID = Session["StudentID"].ToString(),
OrganizationID = Session["OrganizationID"].ToString(),
CourseID = (int)Session["CourseID"],
Roles = Session["UserRoles"].ToString(),
AssignmentName = Session["AssignmentName"].ToString()
};
reviewID = (int)Session["ReviewID"];
filename = Path.GetFileName(FileUploadControl.FileName);
filepath = Server.MapPath("~/App_Data/" + filename);
FileUploadControl.SaveAs(filepath);
StatusLabel.Text = "Upload status: File uploaded! ";
}
catch (Exception ex)
{
StatusLabel.Text = "Upload status: The file could not be uploaded. The following error occured: " + ex.Message + " : " + ex.StackTrace;
return;
}
using (PeerReviewModel db = new PeerReviewModel())
{
//retrieve incomplete review
var review = db.Reviews.Find((int)Session["ReviewID"]);
if (review == null)
{
StatusLabel.Text = "Error: Review could not be retrieved.";
return;
}
review.FilePath = filepath;
db.Entry(review).State = EntityState.Modified;
db.SaveChanges();
}
}
}
public ActionResult LTISpoof([Bind(Include = "OrganizationID,CourseID,StudentID,Name,Roles,AssignmentName")] LTISpoof spoof)
{
Session.Add("StudentName", spoof.Name);
Session["StudentName"] = spoof.Name;
Session["StudentID"] = spoof.StudentID;
Session["OrganizationID"] = spoof.OrganizationID;
Session["CourseID"] = spoof.CourseID;
Session["UserRoles"] = spoof.Roles;
Session["AssignmentName"] = spoof.AssignmentName;
ViewBag.Message = spoof.Name + " / " + Session["StudentName"].ToString();
return(View(spoof));
}
protected void Page_Load(object sender, EventArgs e)
{
LTISpoof sessionData;
try
{
sessionData = new LTISpoof()
{
Name = Session["StudentName"].ToString(),
StudentID = Session["StudentID"].ToString(),
OrganizationID = Session["OrganizationID"].ToString(),
CourseID = (int)Session["CourseID"],
Roles = Session["UserRoles"].ToString(),
AssignmentName = Session["AssignmentName"].ToString()
};
}
catch (Exception ex)
{
StatusLabel.Text = "Session Error: " + ex.Message;
return;
}
using (PeerReviewModel db = new PeerReviewModel())
{
//get student
var student = db.Students.Where(s => s.OrganizationID == sessionData.OrganizationID &&
s.CourseID == sessionData.CourseID &&
s.StudentID == sessionData.StudentID).Include("Reviews")
.Include("Reviews.ReviewedSubmission")
.Include("Reviews.ReviewedSubmission.Submitter")
.FirstOrDefault();
//var student = db.Students.Find(sessionData.OrganizationID, sessionData.CourseID, sessionData.StudentID);
//db.Entry(student).Reference(s => s.Reviews).Load();
if (student == null)
{
//if user does not exist, display error
StatusLabel.Text = "You have not been registered to use this tool. Contact your instructor for assistance.";
return;//TODO: redirect to error screen
}
//check if student has unfinished review
var reviewList = student.Reviews.ToList();
for (int j = 0; j < reviewList.Count; j++)
{
var r = reviewList[j];
db.Entry(r).Reference(s => s.ReviewedSubmission).Load();
if (String.IsNullOrWhiteSpace(r.FilePath))
{
//display incomplete review
SubmitterNameLabel.Text = r.ReviewedSubmission.Submitter.Name;
SubmissionNameLabel.Text = r.ReviewedSubmission.AssignmentGroup;
GroupLabel.Text = r.ReviewedSubmission.Submitter.Group;
//save review id to session
Session["ReviewID"] = r.ID;
return;
}
}
foreach (Review r in student.Reviews)
{
}
List <Submission> submissions = new List <Submission>();
int i = 0;
do
{
submissions = db.Submissions
.Where(s => s.Submitter.OrganizationID == sessionData.OrganizationID &&
s.Submitter.CourseID == sessionData.CourseID &&
s.Submitter.Group != student.Group &&
s.Reviews.Count <= i)
.Include("Submitter")
.ToList();
i++;
} while (submissions == null || submissions.Count < 1 || i > 2);
if (submissions == null || submissions.Count == 0)
{
StatusLabel.Text = "All submissions reviewed."
+ " Each submitted assignment from another group already has 3 or more reviews. Check back later.";
}
else
{
//get random submission
Random rand = new Random();
int randNum = rand.Next(submissions.Count);
var submission = submissions[randNum];
if (submission == null)
{
StatusLabel.Text = "Error: the randomly selected submission was null!";
return;
}
//add incomplete review
Review review = new Review()
{
Reviewer = student,
ReviewedSubmission = submission
};
db.Reviews.Add(review);
db.SaveChanges();
//display incomplete review
SubmitterNameLabel.Text = review.ReviewedSubmission.Submitter.Name;
SubmissionNameLabel.Text = review.ReviewedSubmission.AssignmentGroup;
GroupLabel.Text = review.ReviewedSubmission.Submitter.Group;
//save review id to session
Session["ReviewID"] = review.ID;
}
//get list of submissions with i++ reviews belonging to a different student group
//display review input form for random submission
}
}
public ActionResult Upload()
{
Session["TestMessage"] = "Session Works!";
LTISpoof sessionData;
try
{
// Parse and validate the request
Request.CheckForRequiredLtiParameters();
var ltiRequest = new LtiRequest(null);
ltiRequest.ParseRequest(Request);
if (!ltiRequest.ConsumerKey.Equals("12345"))
{
ViewBag.Message = "Invalid Consumer Key";
return(View());
}
var oauthSignature = Request.GenerateOAuthSignature("secret");
if (!oauthSignature.Equals(ltiRequest.Signature))
{
ViewBag.Message = "Invalid Signature";
return(View());
}
Session["StudentName"] = ltiRequest.LisPersonNameFull;
Session["StudentID"] = ltiRequest.LisPersonEmailPrimary;
//Session["StudentID"] = ltiRequest.LisPersonSourcedId;
Session["OrganizationID"] = ltiRequest.ToolConsumerInstanceGuid;
Session["CourseID"] = int.Parse(ltiRequest.ContextId);//TODO: replace with string; more versitile
Session["UserRoles"] = ltiRequest.Roles;
Session["AssignmentName"] = ltiRequest.ResourceLinkTitle;
sessionData = new LTISpoof()
{
Name = Session["StudentName"].ToString(),
StudentID = Session["StudentID"].ToString(),
OrganizationID = Session["OrganizationID"].ToString(),
CourseID = (int)Session["CourseID"],
Roles = Session["UserRoles"].ToString(),
AssignmentName = Session["AssignmentName"].ToString()
};
// The request is legit, so display the tool
ViewBag.Message = string.Empty;
var model = new ToolModel
{
ConsumerSecret = "secret",
LtiRequest = ltiRequest
};
//check if user is an instructor or admin
if (Session["UserRoles"] != null && (Session["UserRoles"].ToString().Contains("Instructor") || Session["UserRoles"].ToString().Contains("Admin")))
{
//if they are, redirect to dashboard
return(RedirectToAction("Admin"));
}
using (PeerReviewModel db = new PeerReviewModel())
{
//check if user exists
var student = db.Students.Find(sessionData.OrganizationID, sessionData.CourseID, sessionData.StudentID);
if (student == null)
{
//if user does not exist, display error
ViewBag.Message = "You have not been registered to use this tool. Contact your instructor for assistance.";
return(View());
}
else
{
//if they do, update the entry with their name
student.Name = Session["StudentName"].ToString();
db.Entry(student).State = EntityState.Modified;
db.SaveChanges();
return(Redirect(url: "~/upload.aspx"));
}
}
}
catch (LtiException e)
{
ViewBag.Message = e.Message;
//return Redirect(url: "~/upload.aspx");
return(View());
}
}
public ActionResult Review()
{
Session["TestMessage"] = "Session Works!";
LTISpoof sessionData;
try
{
// Parse and validate the request
Request.CheckForRequiredLtiParameters();
var ltiRequest = new LtiRequest(null);
ltiRequest.ParseRequest(Request);
if (!ltiRequest.ConsumerKey.Equals("12345"))
{
ViewBag.Message = "Invalid Consumer Key";
return(View());
}
var oauthSignature = Request.GenerateOAuthSignature("secret");
if (!oauthSignature.Equals(ltiRequest.Signature))
{
ViewBag.Message = "Invalid Signature";
return(View());
}
Session["StudentName"] = ltiRequest.LisPersonNameFull;
Session["StudentID"] = ltiRequest.LisPersonEmailPrimary;
//Session["StudentID"] = ltiRequest.LisPersonSourcedId;
Session["OrganizationID"] = ltiRequest.ToolConsumerInstanceGuid;
Session["CourseID"] = int.Parse(ltiRequest.ContextId);//TODO: replace with string; more versitile
Session["UserRoles"] = ltiRequest.Roles;
Session["AssignmentName"] = ltiRequest.ResourceLinkTitle;
sessionData = new LTISpoof()
{
Name = Session["StudentName"].ToString(),
StudentID = Session["StudentID"].ToString(),
OrganizationID = Session["OrganizationID"].ToString(),
CourseID = (int)Session["CourseID"],
Roles = Session["UserRoles"].ToString(),
AssignmentName = Session["AssignmentName"].ToString()
};
// The request is legit, so display the tool
ViewBag.Message = string.Empty;
var model = new ToolModel
{
ConsumerSecret = "secret",
LtiRequest = ltiRequest
};
//check if user is an instructor or admin
if (sessionData.Roles != null && (sessionData.Roles.Contains("Instructor") || sessionData.Roles.Contains("Admin")))
{
//if they are, redirect to dashboard
return(RedirectToAction("ReviewAdmin"));
}
using (PeerReviewModel db = new PeerReviewModel())
{
//check if user exists
var student = db.Students.Find(sessionData.OrganizationID, sessionData.CourseID, sessionData.StudentID);
if (student == null)
{
//if user does not exist, display error
ViewBag.Message = "You have not been registered to use this tool. Contact your instructor for assistance.";
return(View());//TODO: redirect to error screen
}
else
{
//if they do, update the entry with their name
student.Name = sessionData.Name;
db.Entry(student).State = EntityState.Modified;
db.SaveChanges();
}
//create the view model
var viewModel = new ReviewHome()
{
ReviewerName = sessionData.Name,
AssignmentName = sessionData.AssignmentName,
FinishedReviews = student.Reviews.Count
};
//check that review tool has been registered
var assignmentGroup = db.AssignmentGroups.Find(sessionData.OrganizationID, sessionData.CourseID, sessionData.AssignmentName);
if (assignmentGroup == null || string.IsNullOrWhiteSpace(assignmentGroup.AssignmentAppID))
{
ViewBag.Message = "This review tool has not been registered with a submission assignment. Contact your instructor to resolve this issue.";
return(View(viewModel));//TODO: redirect to error screen
}
//get list of submissions in assignment group
List <Submission> submissions = db.Submissions
.Where(s => s.Submitter.OrganizationID == sessionData.OrganizationID &&
s.Submitter.CourseID == sessionData.CourseID)
.ToList();
if (submissions == null || submissions.Count == 0)
{
ViewBag.Message = "No submissions found."
+ " Either no assignments have been submitted, or the review tool is registered incorrectly.";
return(View(viewModel));
}
submissions = db.Submissions
.Where(s => s.Submitter.OrganizationID == sessionData.OrganizationID &&
s.Submitter.CourseID == sessionData.CourseID &&
s.Submitter.Group != student.Group)
.ToList();
if (submissions == null || submissions.Count == 0)
{
ViewBag.Message = "No submissions found for you to review."
+ " No student from another group has submitted an assignment yet. Check back later.";
return(View(viewModel));
}
return(View(viewModel));
}
}
catch (LtiException e)
{
ViewBag.Message = e.Message;
//return Redirect(url: "~/upload.aspx");
return(View());
}
}
