public bool Update(Teacher model)
{
try
{
//Get item user with Id from database
var item = context.Teachers.Where(i => i.ID == model.ID).FirstOrDefault();
//Set value item with value from model
item.MaGV = model.MaGV;
item.SubjectID = model.SubjectID;
item.FirstName = model.FirstName;
item.LastName = model.LastName;
item.Sex = model.Sex;
item.Birthday = model.Birthday;
item.Address = model.Address;
item.Email = model.Email;
item.Phone = model.Phone;
item.PasswordSalt = PasswordHash.GeneratePasswordSalt();
item.Password = PasswordHash.EncryptionPasswordWithSalt(model.Password, PasswordHash.GeneratePasswordSalt());
item.ModifiedBy = model.ModifiedBy;
item.ModifiedTime = DateTime.Now;
item.Note = model.Note;
//Save change to database
context.SaveChanges();
return(true);
}
catch
{
return(false);
}
}
public bool Create(Teacher model)
{
try
{
//Initialization empty item
var item = new Teacher();
//Set value for item with value from model
item.MaGV = model.MaGV;
item.SubjectID = model.SubjectID;
item.FirstName = model.FirstName;
item.LastName = model.LastName;
item.Sex = model.Sex;
item.Birthday = model.Birthday;
item.Address = model.Address;
item.Email = model.Email;
item.Phone = model.Phone;
item.PasswordSalt = PasswordHash.GeneratePasswordSalt();
item.Password = PasswordHash.EncryptionPasswordWithSalt(model.Password, PasswordHash.GeneratePasswordSalt());
item.CreateBy = model.ModifiedBy;
item.CreateTime = DateTime.Now;
item.Note = model.Note;
//Add item to entity
context.Teachers.Add(item);
//Save to database
context.SaveChanges();
return(true);
}
catch
{
return(false);
}
}
public Teacher LoginByCredential(string magv, string password)
{
if (string.IsNullOrEmpty(magv) || string.IsNullOrEmpty(password))
{
return(null);
}
var gv = teacherDAL.GetByMagv(magv);
if (gv == null)
{
return(null);
}
var passwordSalt = gv.PasswordSalt;
var passwordEncrypt = PasswordHash.EncryptionPasswordWithSalt(password, passwordSalt);
if (passwordEncrypt == gv.Password)
{
return(gv);
}
else
{
return(null);
}
}
public User LoginByCredential(string username, string password)
{
UserDAL userDAL = new UserDAL();
if (String.IsNullOrEmpty(username) || String.IsNullOrEmpty(password))
{
return(null);
}
var user = userDAL.GetByUsername(username);
if (user == null)
{
return(null);
}
var passwordSalt = user.PasswordSalt;
var passwordEncrypt = PasswordHash.EncryptionPasswordWithSalt(password, passwordSalt);
if (passwordEncrypt == user.PasswordEncrypted)
{
return(user);
}
else
{
return(null);
}
}
public Student LoginByCredential(string masv, string password)
{
if (string.IsNullOrEmpty(masv) || string.IsNullOrEmpty(password))
{
return(null);
}
var sv = studentDAL.GetByMasv(masv);
if (sv == null)
{
return(null);
}
var passwordSalt = sv.PasswordSalt;
var passwordEncrypt = PasswordHash.EncryptionPasswordWithSalt(password, passwordSalt);
if (passwordEncrypt == sv.Password)
{
return(sv);
}
else
{
return(null);
}
}
