private void btnDelete_Click(object sender, EventArgs e)
{
DataGridViewRow row = null;
if (dgvUsers.SelectedRows.Count == 1)
{
row = dgvUsers.SelectedRows[0];
}
else if (dgvUsers.SelectedCells.Count == 1)
{
int i = dgvUsers.SelectedCells[0].RowIndex;
row = dgvUsers.Rows[i];
}
else
{
MessageBox.Show(
"Debes seleccionar solo 1 usuario a eliminar",
"Información",
MessageBoxButtons.OK,
MessageBoxIcon.Information
);
}
if (row != null)
{
DialogResult deleteIt = MessageBox.Show(
"¿Estas seguro de eliminar este usuario?",
"Confirmar",
MessageBoxButtons.YesNoCancel,
MessageBoxIcon.Question
);
if (deleteIt != DialogResult.Yes)
{
return;
}
int id = Int32.Parse(row.Cells[0].Value.ToString());
users localUser = (from em in entities.users
where em.id == id
select em).First();
if (localUser == null)
{
MessageBox.Show(
"El Usuario seleccionado no existe",
"Error",
MessageBoxButtons.OK,
MessageBoxIcon.Error
);
loadUsers("");
}
else
{
int adminTotal = entities.users.Count(el => el.permission == 1);
if (adminTotal == 1 && localUser.permission == 1)
{
MessageBox.Show(
"No puedes eliminar al único administrador",
"Error",
MessageBoxButtons.OK,
MessageBoxIcon.Error
);
}
else
{
bool delete = true;
bool sameAsLogged = false;
if (localUser.id == Contabilidad.user.id)
{
delete = false;
sameAsLogged = true;
DialogResult response = MessageBox.Show(
"Estas a punto de eliminar tu usuario. Esta acción te expulsará del sistema\n\n¿Deseas continuar?",
"Confirmar",
MessageBoxButtons.YesNoCancel,
MessageBoxIcon.Question
);
if (response == DialogResult.Yes)
{
delete = true;
}
}
if (delete)
{
entities.users.Remove(localUser);
entities.SaveChanges();
MessageBox.Show(
"¡Usuario eliminado con éxito!",
"Información",
MessageBoxButtons.OK,
MessageBoxIcon.Information
);
if (sameAsLogged)
{
IniciarSesion.getInstance().Show();
Contabilidad.showLogin = true;
Contabilidad.getInstance().Close();
}
else
{
loadUsers("");
}
}
}
}
}
}
private void btnSave_Click(object sender, EventArgs e)
{
users userLocal = null;
if (user == null)
{
userLocal = new users
{
name = txtName.Text,
created_at = DateTime.Now,
permission = ((UserLevel)cbLevel.SelectedItem).value,
username = txtUsername.Text
};
using (MD5 md5 = MD5.Create())
{
byte[] hash = Encoding.ASCII.GetBytes(txtPassword.Text);
hash = md5.ComputeHash(hash);
StringBuilder sb = new StringBuilder();
foreach (var x in hash)
{
sb.Append(x.ToString("x2"));
}
userLocal.password = sb.ToString();
}
}
else
{
user = entities.users.First(el => el.id == user.id);
user.name = txtName.Text;
user.updated_at = DateTime.Now;
user.permission = ((UserLevel)cbLevel.SelectedItem).value;
user.username = txtUsername.Text;
if (txtPassword.Modified)
{
using (MD5 md5 = MD5.Create())
{
byte[] hash = Encoding.ASCII.GetBytes(txtPassword.Text);
hash = md5.ComputeHash(hash);
StringBuilder sb = new StringBuilder();
foreach (var x in hash)
{
sb.Append(x.ToString("x2"));
}
user.password = sb.ToString();
}
}
}
String errors = "";
if (userLocal == null)
{
errors = validate(user);
}
else
{
errors = validate(userLocal);
}
if (errors.Length > 0)
{
MessageBox.Show(
errors,
"Error",
MessageBoxButtons.OK,
MessageBoxIcon.Error
);
}
else
{
if (userLocal != null)
{
entities.users.Add(userLocal);
}
entities.SaveChanges();
MessageBox.Show(
"¡Usuario guardado con éxito!",
"Información",
MessageBoxButtons.OK,
MessageBoxIcon.Information
);
MnjUsers.getInstance().loadUsers("");
this.Close();
}
}