/// <summary> Updates the builder described by item. </summary>
/// <param name="item"> The item. </param>
/// <returns> . </returns>
public Persist Update(object item, string name = null)
{
var flattener = new Flattener();
var values = flattener.GetNamesAndValues(item);
var tableName = name ?? item.GetType().Name;
return(Update(tableName, item, values));
}
/// <summary> Generates a sql. </summary>
/// <param name="item"> The item. </param>
/// <param name="name"> The name. </param>
/// <returns> The sql. </returns>
private static Persist GenerateSql(object item, string name)
{
IKeysDefined[] keysDefineds = { new HasPrimaryKeys(), new PrimaryKeysNotDefined() };
var flattener = new Flattener();
var primaryKeys = flattener.GetPropertiesWithDefaultValues <KeyAttribute>(item).ToList();
var properties = flattener.GetNamesAndValues(item).ToList();
var nameTable = name ?? GetTableNameByType(item);
var primaryKeysExists = primaryKeys.Any();
var first = keysDefineds.First(k => k.PrimaryKeysExist == primaryKeysExists);
var sql = first.GenerateSql(nameTable, item, primaryKeys, properties);
return(sql);
}