public static UsuarioModel ValidarUsuario(string login, string senha)
{
UsuarioModel ret = null;
using (var conexao = new SqlConnection())
{
conexao.ConnectionString = ConfigurationManager.ConnectionStrings["principal"].ConnectionString;
conexao.Open();
using (var comando = new SqlCommand())
{
comando.Connection = conexao;
comando.CommandText = "select * from usuario where login=@login and senha=@senha";
comando.Parameters.Add("@login", SqlDbType.VarChar).Value = login;
comando.Parameters.Add("@senha", SqlDbType.VarChar).Value = CriptoHelper.HashMD5(senha);
var reader = comando.ExecuteReader();
if (reader.Read())
{
ret = new UsuarioModel
{
Id = (int)reader["id"],
Login = (string)reader["login"],
Senha = (string)reader["senha"],
Nome = (string)reader["nome"]
};
}
}
}
return(ret);
}
public int Salvar()
{
var ret = 0;
var model = RecuperarPeloId(this.Id);
using (var conexao = new SqlConnection())
{
conexao.ConnectionString = ConfigurationManager.ConnectionStrings["principal"].ConnectionString;
conexao.Open();
using (var comando = new SqlCommand())
{
comando.Connection = conexao;
if (model == null)
{
comando.CommandText = "insert into usuario (nome, login, senha) values (@nome, @login, @senha); select convert(int, scope_identity())";
comando.Parameters.Add("@nome", SqlDbType.VarChar).Value = this.Nome;
comando.Parameters.Add("@login", SqlDbType.VarChar).Value = this.Login;
comando.Parameters.Add("@senha", SqlDbType.VarChar).Value = CriptoHelper.HashMD5(this.Senha);
ret = (int)comando.ExecuteScalar();
}
else
{
comando.CommandText =
"update usuario set nome=@nome, login=@login" +
(!string.IsNullOrEmpty(this.Senha) ? ", senha=@senha" : "") +
" where id = @id";
comando.Parameters.Add("@nome", SqlDbType.VarChar).Value = this.Nome;
comando.Parameters.Add("@login", SqlDbType.VarChar).Value = this.Login;
if (!string.IsNullOrEmpty(this.Senha))
{
comando.Parameters.Add("@senha", SqlDbType.VarChar).Value = CriptoHelper.HashMD5(this.Senha);
}
comando.Parameters.Add("@id", SqlDbType.Int).Value = this.Id;
if (comando.ExecuteNonQuery() > 0)
{
ret = this.Id;
}
}
}
}
return(ret);
}
