public bool InsertRating(DanhGia model)
{
try
{
db.DanhGias.Add(model);
db.SaveChanges();
UpdateRatingProduct(model.MaSP);
}
catch (Exception)
{
return false;
}
return true;
}
public bool UpdateRating(DanhGia model)
{
DanhGia dg = db.DanhGias.Find(model.MaSP, model.NguoiDung);
if (dg == null)
{
return InsertRating(model);
}
try
{
dg.Diem = model.Diem;
db.Entry(dg).State = EntityState.Modified;
db.SaveChanges();
UpdateRatingProduct(model.MaSP);
}
catch (Exception)
{
return false;
}
return true;
}