public List<cours> GetCourses( string tid )
{
var query = (from x in db.teachers.Where(f => f.tid.Equals(tid))
from p in db.courses.Where(g => g.teachers.Contains(x))
select p);
List<cours> data = new List<cours>();
foreach (var q in query)
{
cours c = new cours();
c.cid = q.cid;
c.name = q.name;
data.Add(c);
}
return data;
}
public JsonResult GetCourses()
{
var query = (from x in db.courses
select x);
List<cours> data = new List<cours>();
foreach (var q in query)
{
cours c = new cours();
c.cid = q.cid;
data.Add(c);
}
return this.Json(data, JsonRequestBehavior.AllowGet);
}
public ActionResult DeleteCourse(cours c)
{
if (Session["id"] != null && db.users.Find(Session["id"]).type.Equals("admin"))
{
cours c1 = db.courses.Find(c.cid);
db.courses.Remove(c1);
db.SaveChanges();
return RedirectToAction("CourseConfiguration");
}
return RedirectToAction("signIn", "Home");
}
public ActionResult SaveCourseInfo(cours c)
{
if (Session["id"] != null && db.users.Find(Session["id"]).type.Equals("admin"))
{
db.Entry(c).State = EntityState.Modified;
db.SaveChanges();
return RedirectToAction("CourseConfiguration");
}
return RedirectToAction("signIn", "Home");
}
public ActionResult EditCourse( cours c)
{
if (Session["id"] != null && db.users.Find(Session["id"]).type.Equals("admin"))
{
cours c1 = db.courses.Find(c.cid);
if (c1 == null)
{
return HttpNotFound();
}
return View(c1);
}
return RedirectToAction("signIn", "Home");
}
public ActionResult SaveCourse(cours c)
{
if (Session["id"] != null && db.users.Find(Session["id"]).type.Equals("admin"))
{
var query = db.courses.Where(x => x.cid.Equals(c.cid));
string s = null;
foreach (var a in query)
{
s = s + a.cid + " " + a.name;
}
if (s == null)
{
db.courses.Add(c);
db.SaveChanges();
ViewBag.message = 0;
}
return View("CourseConfiguration");
}
return RedirectToAction("signIn", "Home");
}
public JsonResult ViewCourseJson(string uid)
{
string sid = Request["uid"];
Response.AppendHeader("Access-Control-Allow-Origin", "null");
var query = (from x in db.students.Where(f => f.sid.Equals(sid))
from p in db.courses.Where(g => g.students.Contains(x))
select p);
List<cours> data = new List<cours>();
foreach (var q in query)
{
cours c = new cours();
c.cid = q.cid;
c.name = q.name;
c.creditHours = q.creditHours;
data.Add(c);
}
if (data.Count > 0)
return Json(data.ToList().ToString(), JsonRequestBehavior.AllowGet);
else
{
ViewBag.ErrorType = "View Courses";
ViewBag.message = "You are not enrolled in any course";
return Json(false, JsonRequestBehavior.AllowGet);
}
}
public ActionResult ViewCourse()
{
string sid = Session["id"].ToString();
var query = (from x in db.students.Where(f => f.sid.Equals(sid))
from p in db.courses.Where(g => g.students.Contains(x))
select p);
List<cours> data = new List<cours>();
foreach (var q in query)
{
cours c = new cours();
c.cid = q.cid;
c.name = q.name;
c.creditHours = q.creditHours;
data.Add(c);
}
if (data.Count > 0)
return View(data);
else
{
ViewBag.ErrorType = "View Courses";
ViewBag.message = "You are not enrolled in any course";
return View("ErrorPage");
}
}
public ActionResult Courses()
{
if (Session["id"] != null && (db.users.Find(Session["id"]).type.Equals("Teacher") || db.users.Find(Session["id"]).type.Equals("Student")))
{
List<cours> data = new List<cours>();
if (db.users.Find(Session["id"]).type.Equals("Teacher"))
{
string tid = Session["id"].ToString();
var query = (from x in db.teachers.Where(f => f.tid.Equals(tid))
from p in db.courses.Where(g => g.teachers.Contains(x))
select p);
foreach (var q in query)
{
cours c = new cours();
c.cid = q.cid;
c.name = q.name;
c.creditHours = q.creditHours;
data.Add(c);
}
}
else
{
string sid = Session["id"].ToString();
var query = (from x in db.students.Where(f => f.sid.Equals(sid))
from p in db.courses.Where(g => g.students.Contains(x))
select p);
foreach (var q in query)
{
cours c = new cours();
c.cid = q.cid;
c.name = q.name;
c.creditHours = q.creditHours;
data.Add(c);
}
}
return View(data);
}
else
{
ViewBag.message = "Please Login First";
return View("SignIn");
}
}
