public ActionResult Edit(course cou, HttpPostedFileBase photo)
{
TeacherDao teDao = new TeacherDao();
CourseDao couDao = new CourseDao();
if (ModelState.IsValid)
{
try
{
if (photo != null && photo.ContentLength > 0)
{
course exists_cou = couDao.GetById(cou.co_id);
string image = String.Concat(cou.co_name, photo.FileName);
if (!image.Equals(exists_cou.co_image))
{
var image_old = Path.Combine(Server.MapPath("~/Areas/Admins/Content/Photo/course/"),
System.IO.Path.GetFileName(exists_cou.co_image));
if (System.IO.File.Exists(image_old))
{
System.IO.File.Delete(image_old);
}
var image_new = Path.Combine(Server.MapPath("~/Areas/Admins/Content/Photo/course/"),
System.IO.Path.GetFileName(image));
photo.SaveAs(image_new);
}
cou.co_image = image;
cou.co_updated_at = DateTime.Now;
couDao.Update(cou);
}
else
{
course exists_cou = couDao.GetById(cou.co_id);
cou.co_image = exists_cou.co_image;
couDao.Update(cou);
}
return(RedirectToAction("Index"));
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
return(View("Error"));
}
}
else
{
ViewBag.lst_te = teDao.GetAll();
var teacher = teDao.GetAll();
SelectList list_te = new SelectList(teacher, "te_id", "te_name");
ViewBag.list_te = list_te;
return(View(cou));
}
}
public void OnGet(string courseId)
{
var id = int.Parse(courseId);
var courseDao = new CourseDao();
Course = courseDao.GetById(id);
var commentDao = new CommentDao();
Comments = commentDao.GetByCourseId(id);
var usersId = HttpContext.Session.GetInt32("users_id");
if (usersId == null && HttpContext.Request.Cookies.ContainsKey("users_id"))
{
usersId = int.Parse(HttpContext.Request.Cookies["users_id"]);
var usersName = HttpContext.Request.Cookies["users_name"];
HttpContext.Session.SetInt32("users_id", (int)usersId);
HttpContext.Session.SetString("users_name", usersName);
}
UserIsAuthorized = usersId != null;
if (UserIsAuthorized)
{
var usersCourses = new UsersDao().GetCourses((int)usersId);
UserHasThisCourse = usersCourses.Select(c => c.Id).Contains(id);
}
}
public JsonResult ExsitsCourseName(string cou_Coursename, int?cou_id)
{
CourseDao dao = new CourseDao();
List <course> lts_cou = dao.GetAll();
if (cou_id != null)
{
lts_cou.Remove(dao.GetById(cou_id)); //////////////??????????????????????
}
return(Json(!lts_cou.Any(x => x.co_name.Trim().ToLower() == cou_Coursename.Trim().ToLower()), JsonRequestBehavior.AllowGet));
}
public ActionResult Delete(int id)
{
CourseDao dao = new CourseDao();
course exists_cou = dao.GetById(id);
var image_old = Path.Combine(Server.MapPath("~/Areas/Admins/Content/Photo/course/"),
System.IO.Path.GetFileName(exists_cou.co_image));
if (System.IO.File.Exists(image_old))
{
System.IO.File.Delete(image_old);
}
dao.Delete(id);
return(RedirectToAction("Index"));
}
public ActionResult Edit(int?id)
{
CourseDao couDao = new CourseDao();
if (id == null)
{
return(View("Error"));
}
course course = couDao.GetById(id);
if (course == null)
{
return(HttpNotFound());
}
TeacherDao teDao = new TeacherDao();
var teacher = teDao.GetAll();
SelectList list_te = new SelectList(teacher, "te_id", "te_name");
ViewBag.list_te = list_te;
return(View(course));
}