public ActionResult Edit(BaiGiangModel baigiang)
{
using (ELearningDB db = new ELearningDB())
{
if (ModelState.IsValid)
{
BaiGiang bg = db.BaiGiangs.Find(baigiang.MaBaiGiang);
if (baigiang.URL != null)
{
string removestr = "watch?v=";
string replacestr = "embed/";
string str1 = baigiang.URL;
if (str1.Contains("youtube.com/watch?v="))
{
string str2 = ReplaceFirst(str1, removestr, replacestr);
bg.URL = str2;
}
}
bg.TenBaiGiang = baigiang.TenBaiGiang;
bg.NoiDung = baigiang.NoiDung;
db.SaveChanges();
return(RedirectToAction("Details", new { id = baigiang.MaBaiGiang }));
}
return(View(baigiang));
}
}
public ActionResult Create(BaiGiangModel bg)
{
using (ELearningDB db = new ELearningDB())
{
if (ModelState.IsValid)
{
var session = (TaiKhoanLogin)Session[CommonConstants.USER_SESSION];
BaiGiang baigiang = new BaiGiang();
baigiang.TenBaiGiang = bg.TenBaiGiang;
baigiang.NoiDung = bg.NoiDung;
baigiang.URL = bg.URL;
baigiang.MaGiangVien = session.ID;
baigiang.TrangThai = true;
if (baigiang.URL != null)
{
string removestr = "watch?v=";
string replacestr = "embed/";
string str1 = baigiang.URL;
if (str1.Contains("youtube.com/watch?v="))
{
string str2 = ReplaceFirst(str1, removestr, replacestr);
baigiang.URL = str2;
}
}
db.BaiGiangs.Add(baigiang);
db.SaveChanges();
return(RedirectToAction("QuanLyBaiGiang", "BaiGiang"));
}
return(View());
}
}
public ActionResult Edit(int id)
{
using (ELearningDB db = new ELearningDB())
{
BaiGiang baigiang = db.BaiGiangs.Find(id);
BaiGiangModel bg = new BaiGiangModel();
bg.MaBaiGiang = baigiang.MaBaiGiang;
bg.NoiDung = baigiang.NoiDung;
bg.URL = baigiang.URL;
bg.TenBaiGiang = baigiang.TenBaiGiang;
return(View(bg));
}
}
public JsonResult RemoveBaiGiang(BaiGiangModel data)
{
using (ELearningDB db = new ELearningDB())
{
Lop l = db.Lops.Find(data.MaLop);
BaiGiang bg = db.BaiGiangs.Find(data.MaBaiGiang);
if (l != null && bg != null)
{
bg.Lops.Remove(l);
db.SaveChanges();
return(Json(new { success = true }));
}
return(Json(new { success = false }));
}
}
public JsonResult AddBaiGiangToLop(BaiGiangModel data)
{
using (ELearningDB db = new ELearningDB())
{
BaiGiang bg = db.BaiGiangs.Find(data.MaBaiGiang);
if (bg == null)
{
return(Json(new { success = false }));
}
Lop l = db.Lops.Find(data.MaLop);
l.BaiGiangs.Add(bg);
db.SaveChanges();
return(Json(new { success = true }));
}
}
public ActionResult ChangeStatus(int id)
{
using (ELearningDB db = new ELearningDB())
{
BaiGiang bg = db.BaiGiangs.Find(id);
if (bg == null)
{
TempData["error"] = "<script>alert('Không tìm thấy bài giảng');</script>";
return(RedirectToAction("QuanLyBaiGiang", "BaiGiang"));
}
bg.TrangThai = !bg.TrangThai;
db.SaveChanges();
return(RedirectToAction("QuanLyBaiGiang", "BaiGiang"));
}
}
public ActionResult Delete(int id)
{
using (ELearningDB db = new ELearningDB())
{
BaiGiang bg = db.BaiGiangs.Find(id);
if (bg == null)
{
TempData["error"] = "<script>alert('Không tìm thấy bài giảng cần xóa');</script>";
return(RedirectToAction("QuanLyBaiGiang", "BaiGiang"));
}
db.BaiGiangs.Remove(bg);
db.SaveChanges();
return(RedirectToAction("QuanLyBaiGiang", "BaiGiang"));
}
}
public ActionResult Details(int id)
{
using (ELearningDB db = new ELearningDB())
{
BaiGiang baigiang = db.BaiGiangs.Find(id);
BaiGiangModel bg = new BaiGiangModel();
bg.MaBaiGiang = baigiang.MaBaiGiang;
bg.TenBaiGiang = baigiang.TenBaiGiang;
bg.NoiDung = baigiang.NoiDung;
bg.MaGiangVien = baigiang.MaGiangVien;
bg.TenGiangVien = baigiang.GiangVien.HoVaTen;
bg.URL = baigiang.URL;
bg.TrangThai = baigiang.TrangThai;
ViewBag.NoiDung = baigiang.NoiDung;
return(View(bg));
}
}
