internal void AutoMapColumnsAction <T>(params Expression <Func <T, object> >[] ignorePropertyExpressions)
{
VerifyAutoMapAlreadyCalled();
var properties = ObjectReflectionHelper.GetProperties(_data.Item.GetType());
var ignorePropertyNames = new HashSet <string>();
if (ignorePropertyExpressions != null)
{
foreach (var ignorePropertyExpression in ignorePropertyExpressions)
{
var ignorePropertyName = new PropertyExpressionParser <T>(_data.Item, ignorePropertyExpression).Name;
ignorePropertyNames.Add(ignorePropertyName);
}
}
foreach (var property in properties)
{
var ignoreProperty = ignorePropertyNames.SingleOrDefault(x => x.Equals(property.Value.Name, StringComparison.CurrentCultureIgnoreCase));
if (ignoreProperty != null)
{
continue;
}
var propertyType = ObjectReflectionHelper.GetPropertyType(property.Value);
var propertyValue = ObjectReflectionHelper.GetPropertyValue(_data.Item, property.Value);
ColumnAction(property.Value.Name, propertyValue, propertyType, DataTypes.Object, 0);
}
}
private void SetPropertyValue(DataReaderField field, PropertyInfo property, object item, object value)
{
try
{
if (value == DBNull.Value)
{
if (ObjectReflectionHelper.IsNullable(property))
{
value = null;
}
else
{
value = ObjectReflectionHelper.GetDefault(property.PropertyType);
}
}
else
{
var propertyType = ObjectReflectionHelper.GetPropertyType(property);
if (propertyType != field.Type)
{
if (propertyType.IsEnum)
{
if (field.Type == typeof(string))
{
value = Enum.Parse(propertyType, (string)value, true);
}
else
{
value = Enum.ToObject(propertyType, value);
}
}
else if (!ObjectReflectionHelper.IsBasicClrType(propertyType))
{
return;
}
else if (propertyType == typeof(string))
{
value = value.ToString();
}
else
{
value = Convert.ChangeType(value, property.PropertyType);
}
}
}
property.SetValue(item, value, null);
}
catch (Exception exception)
{
throw new FluentDataException("Could not map: " + property.Name, exception);
}
}
