/// <summary>
/// A function that deletes a specific assignment
/// </summary>
public ActionResult Delete(int id)
{
Assignment assignment = (from a in db.Assignments where a.ID == id select a).FirstOrDefault();
int courseID = assignment.CourseID;
#region Security
SecurityRedirect redirect = accountService.VerifySecurityLevel
(
auth: User.Identity.IsAuthenticated,
secLevel: SecurityState.TEACHER,
userID: User.Identity.GetUserId(),
courseID: courseID
);
if (redirect.Redirect)
{
return(RedirectToAction(redirect.ActionName, redirect.ControllerName));
}
#endregion
assignmentService.deleteAssignment(assignment);
//if (assignment != null)
//{
// List<Milestone> milestones = (from m in db.Milestones where m.AssignmentID == id select m).ToList();
// if(milestones.Count != 0)
// {
// IEnumerable<Milestone> milestonesToDelete = milestones;
// db.Milestones.RemoveRange(milestonesToDelete);
// db.SaveChanges();
// }
// db.Assignments.Remove(assignment);
// db.SaveChanges();
//}
return(RedirectToAction("TeacherOverview", new { id = courseID }));
}
public SecurityRedirect VerifySecurityLevel(bool auth, SecurityState secLevel, string userID, int?courseID = null)
{
string[] roles = { "User", "Student", "Teacher", "Admin" };
SecurityRedirect redirect = new SecurityRedirect {
Redirect = true
};
//If user isnt logged in...
if (!auth)
{
redirect.ActionName = "Login";
redirect.ControllerName = "Account";
return(redirect);
}
//Make sure the highest security level the user has is sufficient for the minimum security level.
if (!(secLevel <= GetHighestUserPrivilege(userID, courseID)))
{
redirect.ActionName = "Index";
redirect.ControllerName = "User";
return(redirect);
}
//If it reaches this part of the code, it means we have no reason to deny entry.
redirect.Redirect = false;
return(redirect);
}
/// <summary>
/// A function used to redirect unauthenticated users
/// </summary>
private ActionResult EnforceSecurity(SecurityState minRequirement)
{
SecurityRedirect redirect = accountService.VerifySecurityLevel
(
auth: User.Identity.IsAuthenticated,
secLevel: minRequirement,
userID: User.Identity.GetUserId()
);
if (redirect.Redirect)
{
return(RedirectToAction(redirect.ActionName, redirect.ControllerName));
}
return(null);
}
/// <summary>
/// A function that deletes a specific assignment milestone
/// </summary>
public ActionResult DeleteMilestone(int id)
{
Milestone milestone = (from m in db.Milestones where m.ID == id select m).FirstOrDefault();
int assignmentID = milestone.AssignmentID;
int courseID = (from a in db.Assignments where a.ID == assignmentID select a.CourseID).FirstOrDefault();
#region Security
SecurityRedirect redirect = accountService.VerifySecurityLevel
(
auth: User.Identity.IsAuthenticated,
secLevel: SecurityState.TEACHER,
userID: User.Identity.GetUserId(),
courseID: courseID
);
if (redirect.Redirect)
{
return(RedirectToAction(redirect.ActionName, redirect.ControllerName));
}
#endregion
assignmentService.deleteMilestone(milestone);
//if (milestone != null)
//{
// List<Solution> solutions = (from s in db.Solutions where s.MilestoneID == id select s).ToList();
// List<Submission> submissions = (from s in db.Submission where s.MilestoneID == id select s).ToList();
// if (solutions.Count != 0)
// {
// IEnumerable<Solution> solutionsToDelete = solutions;
// db.Solutions.RemoveRange(solutionsToDelete);
// db.SaveChanges();
// }
// if (submissions.Count != 0)
// {
// IEnumerable<Submission> submissionsToDelete = submissions;
// db.Submission.RemoveRange(submissionsToDelete);
// db.SaveChanges();
// }
// db.Milestones.Remove(milestone);
// db.SaveChanges();
//}
return(RedirectToAction("TeacherAssignmentView", new { id = assignmentID }));
}
/// <summary>
/// A function that displays a view for a teacher in a certain course.
/// Displays ongoing and past projects
/// </summary>
public ActionResult TeacherOverview(int id)
{
#region Security
SecurityRedirect redirect = accountService.VerifySecurityLevel
(
auth: User.Identity.IsAuthenticated,
secLevel: SecurityState.TEACHER,
userID: User.Identity.GetUserId(),
courseID: id
);
if (redirect.Redirect)
{
return(RedirectToAction(redirect.ActionName, redirect.ControllerName));
}
#endregion
CourseViewModel viewModel = service.GetCoursesById(id, User.Identity.GetUserId());
viewModel.isTeacher = true;
return(View(viewModel));
}
/// <summary>
/// A function that displays the index for the user controller which
/// contains a list of assignments that the user has not turned in
/// allready, also contains links to the courses the user is studying/teaching
/// </summary>
public ActionResult Index()
{
#region Security
SecurityRedirect redirect = accountService.VerifySecurityLevel
(
auth: User.Identity.IsAuthenticated,
secLevel: SecurityState.USER,
userID: User.Identity.GetUserId(),
courseID: null
);
if (redirect.Redirect)
{
return(RedirectToAction(redirect.ActionName, redirect.ControllerName));
}
#endregion
var viewModels = service.GetAllInfo(User.Identity.GetUserId());
viewModels.Name = User.Identity.Name;
return(View(viewModels));
}
/// <summary>
/// A function that displays a view for a student in a certain course.
/// Displays ongoing and past projects with their grades
/// </summary>
public ActionResult StudentOverview(int id)
{
#region Security
SecurityRedirect redirect = accountService.VerifySecurityLevel
(
auth: User.Identity.IsAuthenticated,
secLevel: SecurityState.STUDENT,
userID: User.Identity.GetUserId(),
courseID: id
);
if (redirect.Redirect)
{
return(RedirectToAction(redirect.ActionName, redirect.ControllerName));
}
#endregion
CourseViewModel viewModel = service.GetCoursesById(id, User.Identity.GetUserId());
string userID = User.Identity.GetUserId();
viewModel = assignmentService.GetGrades(userID, viewModel);
viewModel.isTeacher = false;
return(View(viewModel));
}
public ActionResult Edit(AssignmentViewModel model, int counter, FormCollection collection, IEnumerable <HttpPostedFileBase> files)
{
#region Security
SecurityRedirect redirect = accountService.VerifySecurityLevel
(
auth: User.Identity.IsAuthenticated,
secLevel: SecurityState.TEACHER,
userID: User.Identity.GetUserId(),
courseID: model.CourseID
);
if (redirect.Redirect)
{
return(RedirectToAction(redirect.ActionName, redirect.ControllerName));
}
#endregion
if (ModelState.IsValid)
{
for (int i = 0; i < counter; i++)
{
int id;
Int32.TryParse(collection["Milestones[" + i + "].ID"], out id);
bool exists = id != 0;
string milestoneTitle = collection["Milestones[" + i + "].Title"];
if (!exists && milestoneTitle != null)
{
string title = collection["Milestones[" + i + "].Title"];
int weight;
Int32.TryParse(collection["Milestones[" + i + "].Weight"], out weight);
string description = collection["Milestones[" + i + "].Description"];
string testCases = collection["Milestones[" + i + "].TestCases"];
db.Milestones.Add(new Milestone()
{
Title = title,
Weight = weight,
Description = description,
AssignmentID = model.ID,
TestCases = testCases,
DateCreated = model.DateCreated,
DueDate = model.DueDate,
ProgrammingLanguageID = model.ProgrammingLanguageID
});
db.SaveChanges();
}
else if (string.IsNullOrEmpty(collection["Milestones[" + i + "].Title"]))
{
List <int> IDs = (from m in db.Milestones where m.AssignmentID == model.ID select m.ID).ToList();
foreach (var item in IDs)
{
bool existsInCollection = false;
for (int j = 0; j < counter; j++)
{
int mID;
Int32.TryParse(collection["Milestones[" + j + "].ID"], out mID);
if (mID == item)
{
existsInCollection = true;
break;
}
}
if (!existsInCollection)
{
Milestone milestoneToDelete = (from m in db.Milestones where m.ID == item select m).FirstOrDefault();
db.Milestones.Remove(milestoneToDelete);
db.SaveChanges();
}
}
}
}
Assignment assignment = db.Assignments.Where(x => x.ID == model.ID).SingleOrDefault();
if (assignment != null)
{
assignment.Title = model.Title;
assignment.Description = model.Description;
assignment.DateCreated = model.DateCreated;
assignment.DueDate = model.DueDate;
assignment.ProgrammingLanguageID = model.ProgrammingLanguageID;
if (model.File != null)
{
using (MemoryStream memoryStream = new MemoryStream())
{
model.File.InputStream.CopyTo(memoryStream);
assignment.TestCases = Encoding.ASCII.GetString(memoryStream.ToArray());
}
}
db.SaveChanges();
}
return(RedirectToAction("Index"));
}
model.programmingLanguages = assignmentService.GetProgrammingLanguages();
model.Milestones = new List <AssignmentMilestoneViewModel>();
return(View(model));
}
public ActionResult Create(AssignmentViewModel newData, int counter, FormCollection collection, IEnumerable <HttpPostedFileBase> files)
{
#region Security
SecurityRedirect redirect = accountService.VerifySecurityLevel
(
auth: User.Identity.IsAuthenticated,
secLevel: SecurityState.TEACHER,
userID: User.Identity.GetUserId(),
courseID: newData.CourseID
);
if (redirect.Redirect)
{
return(RedirectToAction(redirect.ActionName, redirect.ControllerName));
}
#endregion
if (ModelState.IsValid)
{
int tmp = newData.CourseID;
Assignment assignemnt = new Assignment {
CourseID = newData.CourseID, DateCreated = newData.DateCreated, Description = newData.Description, DueDate = newData.DueDate, TestCases = newData.TestCases, ProgrammingLanguageID = newData.ProgrammingLanguageID, Title = newData.Title, Weight = newData.Weight
};
db.Assignments.Add(assignemnt);
db.SaveChanges();
int assignmentID = (from a in db.Assignments where a.Title == newData.Title && a.CourseID == newData.CourseID select a.ID).FirstOrDefault();
if (collection.Count <= 10)
{
string milestoneZeroTestCases = collection["Milestones[" + 0 + "].TestCases"];
if (assignmentID != 0)
{
Milestone milestone = new Milestone
{
Title = newData.Title,
Weight = 100,
Description = newData.Description,
TestCases = milestoneZeroTestCases,
AssignmentID = assignmentID,
DateCreated = newData.DateCreated,
DueDate = newData.DueDate,
ProgrammingLanguageID = newData.ProgrammingLanguageID
};
db.Milestones.Add(milestone);
db.SaveChanges();
}
}
else
{
for (int i = 0; i < counter; i++)
{
string title = collection["Milestones[" + i + "].Title"];
int weight;
Int32.TryParse(collection["Milestones[" + i + "].Weight"], out weight);
string description = collection["Milestones[" + i + "].Description"];
string testCases = collection["Milestones[" + i + "].TestCases"];
if (!string.IsNullOrEmpty(title))
{
if (assignmentID != 0)
{
Milestone milestone = new Milestone
{
Title = title,
Weight = weight,
Description = description,
TestCases = testCases,
AssignmentID = assignmentID,
DateCreated = newData.DateCreated,
DueDate = newData.DueDate,
ProgrammingLanguageID = newData.ProgrammingLanguageID
};
db.Milestones.Add(milestone);
db.SaveChanges();
}
}
}
}
return(RedirectToAction("TeacherOverview", new { id = newData.CourseID }));
}
newData.programmingLanguages = assignmentService.GetProgrammingLanguages();
newData.Milestones = new List <AssignmentMilestoneViewModel>();
return(View(newData));
}
