public ActionResult DeleteSubject(int id)
{
SubjectRepository subjectRepo = new SubjectRepository();
SubjectDeleteSubjectVM model = new SubjectDeleteSubjectVM();
Subject subject = subjectRepo.GetByID(id);
model.SubjectID = subject.ID;
model.SubjectName = subject.Name;
return View(model);
}
private bool GetableSubject()
{
var routeData = context.RequestContext.RouteData;
if (!routeData.Values.ContainsKey("id"))
{
return(false);
}
int id = Int32.Parse(routeData.Values["id"].ToString());
var repository = new SubjectRepository();
entry = repository.GetByID(id);
if (entry != null)
{
return(true);
}
return(false);
}
public ActionResult AddGrade(int studentID, int subjectID)
{
GradeAddGradeVM model = new GradeAddGradeVM();
UserRepository<Student> sRepo = new UserRepository<Student>();
SubjectRepository subjRepo = new SubjectRepository();
GradeRepository gRepo = new GradeRepository();
Student student = sRepo.GetAll(filter: s => s.ID == studentID && s.Course.CourseSubject.Any(sub => sub.SubjectID == subjectID)).FirstOrDefault();
Subject subject = subjRepo.GetByID(subjectID);
Grade grade = gRepo.GetAll(filter: g => g.StudentID == student.ID).FirstOrDefault();
model.StudentID = student.ID;
model.SubjectID = subject.ID;
return View(model);
}
public ActionResult DeleteSubject(SubjectDeleteSubjectVM model)
{
SubjectRepository subjectRepo = new SubjectRepository();
Subject subject = subjectRepo.GetByID(model.SubjectID);
if (subject.CourseSubject.Count() > 0)
{
ModelState.AddModelError("Error", "Subject contains teacher or course");
model.SubjectID = subject.ID;
model.SubjectName = subject.Name;
return View(model);
}
subjectRepo.Delete(subject);
return RedirectToAction("ListSubjects", "Subject");
}
protected override bool AuthorizeCore(HttpContextBase httpContext)
{
if (httpContext.User.IsInRole("admin"))
{
return(true);
}
if (!httpContext.User.IsInRole("teacher"))
{
return(false);
}
var subjectRepository = new SubjectRepository();
var authorized = base.AuthorizeCore(httpContext);
if (!authorized)
{
return(false);
}
var routeData = httpContext.Request.RequestContext.RouteData;
if (!routeData.Values.ContainsKey("id"))
{
return(false);
}
int id = Int32.Parse(routeData.Values["id"].ToString());
var username = httpContext.User.Identity.Name;
var model = subjectRepository.GetByID(id);
if (model == null)
{
return(false);
}
return(model.TeacherID == username);
}
public void ExportSubjectListToCSV(int id)
{
GradeStudentsGradesVM model = new GradeStudentsGradesVM();
GradeRepository gradeRepo = new GradeRepository();
SubjectRepository subjRepo = new SubjectRepository();
UserRepository<Student> studentRepo = new UserRepository<Student>();
List<Student> students = studentRepo.GetAll(filter: s => s.Course.CourseSubject.Any(t => t.SubjectID == id));
List<Grade> grades = gradeRepo.GetAll(filter: s => s.SubjectID == id);
Subject subject = subjRepo.GetByID(id);
StringWriter sw = new StringWriter();
sw.WriteLine("\"Faculty number\",\"First name\",\"Last name\",\"Grade\"");
Response.ClearContent();
Response.AddHeader("content-disposition", "attachment;filename="+ subject.Name +".csv");
Response.ContentType = "text/csv";
foreach (var student in students)
{
string grade = student.Grades.Select(x => x.GradeValue).FirstOrDefault().ToString();
grade = grade == "0" ? "" : grade;
sw.WriteLine(string.Format("\"{0}\",\"{1}\",\"{2}\",\"{3}\"",
student.FacultiNumber,
student.FirstName,
student.LastName,
grade));
}
Response.Write(sw.ToString());
Response.End();
}
public ActionResult StudentsGrades(int id)
{
GradeStudentsGradesVM model = new GradeStudentsGradesVM();
GradeRepository gradeRepo = new GradeRepository();
SubjectRepository subjRepo = new SubjectRepository();
UserRepository<Student> studentRepo = new UserRepository<Student>();
model.Students = studentRepo.GetAll(filter: s => s.Course.CourseSubject.Any(t => t.SubjectID == id));
Subject subject = subjRepo.GetByID(id);
model.SubjectID = subject.ID;
return View(model);
}
public void ExportSubjectListToExcel(int id)
{
GradeStudentsGradesVM model = new GradeStudentsGradesVM();
GradeRepository gradeRepo = new GradeRepository();
SubjectRepository subjRepo = new SubjectRepository();
UserRepository<Student> studentRepo = new UserRepository<Student>();
List<Student> students = studentRepo.GetAll(filter: s => s.Course.CourseSubject.Any(t => t.SubjectID == id));
List<Grade> grades = gradeRepo.GetAll(filter: s => s.SubjectID == id);
Subject subject = subjRepo.GetByID(id);
var grid = new System.Web.UI.WebControls.GridView();
var products = new System.Data.DataTable(subject.Name);
products.Columns.Add("FacultiNumber", typeof(string));
products.Columns.Add("FirstName", typeof(string));
products.Columns.Add("LastName", typeof(string));
products.Columns.Add("Grade", typeof(string));
foreach (var student in students)
{
string grade = student.Grades.Select(x => x.GradeValue).FirstOrDefault().ToString();
grade = grade == "0" ? "" : grade;
products.Rows.Add(student.FacultiNumber, student.FirstName, student.LastName, grade);
}
grid.DataSource = products;
// grid.DataSource = model.Students;
grid.DataBind();
Response.ClearContent();
Response.AddHeader("content-disposition", "attachment; filename=" + subject.Name + ".xlsx");
Response.ContentType = "application/excel";
StringWriter sw = new StringWriter();
HtmlTextWriter htw = new HtmlTextWriter(sw);
grid.RenderControl(htw);
Response.Write(sw.ToString());
Response.End();
}
public ActionResult ListStudentsBySubject(int id)
{
UserRepository<Student> stuRepo = new UserRepository<Student>();
SubjectRepository subjectRepo = new SubjectRepository();
StudentListStudentsBySubjectVM model = new StudentListStudentsBySubjectVM();
Subject course = subjectRepo.GetByID(id);
var students = stuRepo.GetAll(filter: s => s.Course.CourseSubject.Any(c => c.SubjectID == id));
model.Students = students;
model.SubjectName = course.Name;
return View(model);
}
public ActionResult EditSubject(SubjectEditSubjectVM model)
{
if (!ModelState.IsValid)
{
return View();
}
SubjectRepository subjectRepo = new SubjectRepository();
Subject subject = new Subject();
if (model.SubjectID != 0)
{
subject = subjectRepo.GetByID(model.SubjectID);
}
subject.Name = model.SubjectName;
subjectRepo.Save(subject);
return RedirectToAction("ListSubjects", "Subject");
}
