public void Deletar(ADb aDb)
{
using (SqlConnection connection = new SqlConnection(STRING_CNN))
{
try
{
var chavePk = "";
var parans = new List <string>();
foreach (var p in aDb.GetType().GetProperties())
{
ColumAttribute columAttribute = p.GetCustomAttribute <ColumAttribute>();
if (p.GetValue(aDb) == null)
{
continue;
}
//Atribui o valor da chave para o filtro
if ((columAttribute != null) && (columAttribute.PrimaryKey))
{
string nomeColunaPk = columAttribute != null && !string.IsNullOrEmpty(columAttribute.Name) ? columAttribute.Name : p.Name;
chavePk = nomeColunaPk + "=" + p.GetValue(aDb);
}
else
{
continue;
}
string nomeColunaTabela = columAttribute != null && !string.IsNullOrEmpty(columAttribute.Name) ? columAttribute.Name : p.Name;
//parans.Add($"{nomeColunaTabela} = @{nomeColunaTabela}"); //= {p.GetValue(aDb)}
}
//string parametros = string.Join(",", parans.ToArray());
TableAttribute tableAttribute = aDb.GetType().GetCustomAttribute <TableAttribute>();
string nomeTabela = tableAttribute != null && !string.IsNullOrEmpty(tableAttribute.Name) ? tableAttribute.Name : GetType().Name;
string queryString = $"Delete {nomeTabela} where ({chavePk})";
SqlCommand command = new SqlCommand(queryString, connection);
command.CommandType = CommandType.Text;
connection.Open();
command.ExecuteNonQuery();
}
catch (Exception err)
{
Console.WriteLine(err.Message);
}
finally
{
connection.Close();
}
}
}
public List <ADb> Todos(ADb aDb)
{
TableAttribute tableAttribute = aDb.GetType().GetCustomAttribute <TableAttribute>();
string nomeTabela = tableAttribute != null && !string.IsNullOrEmpty(tableAttribute.Name) ? tableAttribute.Name : aDb.GetType().Name;
string queryString = $"SELECT * FROM {nomeTabela};";
using (SqlConnection connection = new SqlConnection(STRING_CNN))
{
SqlCommand command =
new SqlCommand(queryString, connection);
connection.Open();
var adbs = new List <ADb>();
SqlDataReader reader = command.ExecuteReader();
while (reader.Read())
{
var newAbb = (ADb)Activator.CreateInstance(aDb.GetType());
foreach (var p in aDb.GetType().GetProperties())
{
ColumAttribute columAttribute = p.GetCustomAttribute <ColumAttribute>();
if (columAttribute != null && columAttribute.IsNotOnDataBase)
{
continue;
}
string nomeColunaTabela = columAttribute != null && !string.IsNullOrEmpty(columAttribute.Name) ? columAttribute.Name : p.Name;
if (reader[nomeColunaTabela] == DBNull.Value)
{
continue;
}
p.SetValue(newAbb, reader[nomeColunaTabela]);
}
adbs.Add(newAbb);
}
reader.Close();
connection.Close();
return(adbs);
}
}
public ADb ConsultaById(ADb aDb, string id)
{
TableAttribute tableAttribute = aDb.GetType().GetCustomAttribute <TableAttribute>();
string nomeTabela = tableAttribute != null && !string.IsNullOrEmpty(tableAttribute.Name) ? tableAttribute.Name : aDb.GetType().Name;
string queryString = $"SELECT * FROM {nomeTabela} where id = '{id}';";
using (SqlConnection connection = new SqlConnection(STRING_CNN))
{
SqlCommand command =
new SqlCommand(queryString, connection);
connection.Open();
SqlDataReader reader = command.ExecuteReader();
var newAbb = (ADb)Activator.CreateInstance(aDb.GetType());
while (reader.Read())
{
foreach (var p in aDb.GetType().GetProperties())
{
ColumAttribute columAttribute = p.GetCustomAttribute <ColumAttribute>();
if (columAttribute != null && columAttribute.IsNotOnDataBase)
{
continue;
}
string nomeColunaTabela = columAttribute != null && !string.IsNullOrEmpty(columAttribute.Name) ? columAttribute.Name : p.Name;
if (p.GetValue(aDb) == null)
{
continue;
}
//if ((reader[nomeColunaTabela] == DBNull.Value) || (columAttribute.PrimaryKey)) continue;
p.SetValue(newAbb, reader[nomeColunaTabela]);
}
}
reader.Close();
connection.Close();
return(newAbb);
}
}
public void Salvar(ADb aDb)
{
using (SqlConnection connection = new SqlConnection(STRING_CNN))
{
try
{
var colunas = new List <string>();
var valores = new List <object>();
foreach (var p in aDb.GetType().GetProperties())
{
ColumAttribute columAttribute = p.GetCustomAttribute <ColumAttribute>();
if (p.GetValue(aDb) == null)
{
continue;
}
if (columAttribute != null && (columAttribute.PrimaryKey || columAttribute.IsNotOnDataBase))
{
continue;
}
string nomeColunaTabela = columAttribute != null && !string.IsNullOrEmpty(columAttribute.Name) ? columAttribute.Name : p.Name;
colunas.Add(nomeColunaTabela);
valores.Add(p.GetValue(aDb));
}
var parans = new List <string>();
foreach (var coluna in colunas)
{
parans.Add($"@{coluna}");
}
string parametros = string.Join(",", parans.ToArray());
string colunasJoin = string.Join(",", colunas.ToArray());
TableAttribute tableAttribute = aDb.GetType().GetCustomAttribute <TableAttribute>();
string nomeTabela = tableAttribute != null && !string.IsNullOrEmpty(tableAttribute.Name) ? tableAttribute.Name : iCliente.GetType().Name;
string queryString = $"insert into {nomeTabela} ({colunasJoin} values(${parametros})";
SqlCommand command = new SqlCommand(queryString, connection);
command.CommandType = CommandType.Text;
for (var i = 0; i < colunas.Count; i++)
{
var nomeColuna = colunas[i];
var valorColuna = valores[i];
command.Parameters.Add($"@{nomeColuna}", GetDbType(valorColuna));
command.Parameters[$"@{nomeColuna}"].Value = valorColuna;
}
connection.Open();
command.ExecuteNonQuery();
}
catch (Exception err)
{
Console.WriteLine(err.Message);
}
finally
{
connection.Close();
}
}
}
public void Alterar(ADb aDb)
{
using (SqlConnection connection = new SqlConnection(STRING_CNN))
{
try
{
var chavePk = "";
var colunas = new List <string>();
var valores = new List <object>();
var parans = new List <string>();
foreach (var p in aDb.GetType().GetProperties())
{
ColumAttribute columAttribute = p.GetCustomAttribute <ColumAttribute>();
if (p.GetValue(aDb) == null)
{
continue;
}
//Atribui o valor da chave para o filtro
if ((columAttribute != null) && (columAttribute.PrimaryKey))
{
string nomeColunaPk = columAttribute != null && !string.IsNullOrEmpty(columAttribute.Name) ? columAttribute.Name : p.Name;
chavePk = nomeColunaPk + "=" + p.GetValue(aDb);
continue;
}
if (columAttribute != null && (columAttribute.PrimaryKey || columAttribute.IsNotOnDataBase))
{
continue;
}
string nomeColunaTabela = columAttribute != null && !string.IsNullOrEmpty(columAttribute.Name) ? columAttribute.Name : p.Name;
colunas.Add(nomeColunaTabela);
valores.Add(p.GetValue(aDb));
parans.Add($"{nomeColunaTabela} = @{nomeColunaTabela}"); //= {p.GetValue(aDb)}
}
string parametros = string.Join(",", parans.ToArray());
TableAttribute tableAttribute = aDb.GetType().GetCustomAttribute <TableAttribute>();
string nomeTabela = tableAttribute != null && !string.IsNullOrEmpty(tableAttribute.Name) ? tableAttribute.Name : GetType().Name;
string queryString = $"update {nomeTabela} set {parametros} where ({chavePk})";
SqlCommand command = new SqlCommand(queryString, connection);
command.CommandType = CommandType.Text;
for (var i = 0; i < colunas.Count; i++)
{
var nomeColuna = colunas[i];
var valorColuna = valores[i];
command.Parameters.Add($"@{nomeColuna}", GetDbType(valorColuna));
command.Parameters[$"@{nomeColuna}"].Value = valorColuna;
}
connection.Open();
command.ExecuteNonQuery();
}
catch (Exception err)
{
Console.WriteLine(err.Message);
}
finally
{
connection.Close();
}
}
}