public ChiTietHoiNghiViewModel(HOINGHI hoiNghi, Window window)
{
this.Window = window;
using (DBQuanLiHoiNghiEntities db = new DBQuanLiHoiNghiEntities())
{
this.HoiNghi = hoiNghi;
DIADIEMTOCHUC diaDiem = (from dd in db.DIADIEMTOCHUCs
where dd.IDDD == hoiNghi.IDDD
select dd).ToList().FirstOrDefault();
this.DiaDiem = diaDiem.TENDD + ", " + diaDiem.DIACHI;
this.SucChua = diaDiem.SUCCHUA;
if (DangNhapViewModel.User == null)
{
this.Status = 0;
this.SignUpCommand = new RelayCommand(SignUp);
}
else
{
DANGKITHAMGIA dktg = (from dk in db.DANGKITHAMGIAs
where dk.IDUSER == DangNhapViewModel.User.IDUSER && dk.IDHN == hoiNghi.IDHN
select dk).FirstOrDefault();
this.Status = dktg != null ? (dktg.TRANGTHAI == 1 ? -1 : 1) : 0;
this.SignUpCommand = Status == 0 ? new RelayCommand(SignUp) : new RelayCommand(UnSignUp);
}
}
this.NgayBatDau = this.HoiNghi.THOIGIANBATDAU.ToString("dd/MM/yyyy hh:mm");
this.NgayKetThuc = this.HoiNghi.THOIGIANKETTHUC.ToString("dd/MM/yyyy hh:mm");
this.ImagePathHoiNghi = Path.Combine(Environment.CurrentDirectory, this.HoiNghi.HINHANH);
}
public XacNhanDangKyUser(USER user, DANGKITHAMGIA dangKy, HOINGHI hoiNghi, int sucChua)
{
this.User = user;
this.DangKiThamGia = dangKy;
this.HoiNghi = hoiNghi;
this.SucChua = sucChua;
this.XacNhanDangKyCommand = new RelayCommand(xachNhanDangKy);
this.ChanNguoiDungCommand = new RelayCommand(chanNguoiDung);
}
private void SignUp()
{
if (DangNhapViewModel.User == null)
{
DangNhapWindow dangNhapWindow = new DangNhapWindow();
dangNhapWindow.Show();
this.Window.Close();
}
else
{
if (this.HoiNghi.SOLUONG >= this.SucChua)
{
MessageBox.Show("Số lượng tham gia hội nghị đã đạt giới hạn.");
return;
}
try
{
using (DBQuanLiHoiNghiEntities db = new DBQuanLiHoiNghiEntities())
{
DANGKITHAMGIA dktg = (from dk in db.DANGKITHAMGIAs
where dk.IDUSER == DangNhapViewModel.User.IDUSER && dk.IDHN == this.HoiNghi.IDHN
select dk).FirstOrDefault();
if (dktg != null && dktg.TRANGTHAI == 1)
{
MessageBox.Show("Bạn đã bị chặn.");
return;
}
DANGKITHAMGIA dangky = new DANGKITHAMGIA();
dangky.IDHN = this.HoiNghi.IDHN;
dangky.IDUSER = DangNhapViewModel.User.IDUSER;
dangky.TRANGTHAI = 0;
dangky.THOIGIANDK = DateTime.Now;
db.DANGKITHAMGIAs.Add(dangky);
db.SaveChanges();
}
Status = 1;
SignUpCommand = new RelayCommand(UnSignUp);
}
catch
{
MessageBox.Show("Đã có lỗi xảy ra.");
}
}
}
