private static IList <DataParameterInfo> GetParamsFromObject(object dataParams)
{
if (dataParams == null)
{
return(new List <DataParameterInfo>());
}
IList <DataParameterInfo> dataParameters = new List <DataParameterInfo>();
PropertyInfo[] properties = dataParams.GetType().GetProperties();
foreach (PropertyInfo property in properties)
{
if (!property.CanRead || property.GetCustomAttribute <NotMappedAttribute>() != null)
{
continue;
}
DataParameterInfo dataParamInfo = new DataParameterInfo();
ColumnAttribute column = property.GetCustomAttribute <ColumnAttribute>();
dataParamInfo.Name = column != null ? column.Name : property.Name;
object propertyValue = property.GetValue(dataParams);
dataParamInfo.Value = IsEnum(property) ? GetEnumValue(propertyValue) : propertyValue;
dataParamInfo.IsStructured = !IsSimpleType(property.PropertyType);
dataParamInfo.DataType = string.Empty;
dataParameters.Add(dataParamInfo);
}
return(dataParameters);
}
private IDbDataParameter GetDbParam(DataParameterInfo paramInfo, bool isOutput = false)
{
SqlParameter parameter = new SqlParameter {
ParameterName = paramInfo.Name
};
if (paramInfo.Value == null)
{
parameter.Value = DBNull.Value;
}
else if (paramInfo.Value is bool)
{
parameter.Value = (bool)paramInfo.Value ? 1 : 0;
}
else if (paramInfo.Value is Enum)
{
parameter.Value = paramInfo.Value.ToString();
}
else
{
parameter.Value = paramInfo.Value;
}
if (paramInfo.Value is string)
{
parameter.Size = int.MaxValue;
}
if (paramInfo.IsStructured)
{
parameter.SqlDbType = SqlDbType.Structured;
parameter.TypeName = paramInfo.DataType;
parameter.Value = GetDataTable(paramInfo.Value);
}
if (isOutput)
{
parameter.Direction = ParameterDirection.Output;
}
return(parameter);
}
/// <summary>
/// Fills the output parameters.
/// </summary>
/// <param name="dataParams">The data parameters.</param>
public void FillOutputParams(object dataParams)
{
if (dataParams == null)
{
return;
}
PropertyInfo[] properties = dataParams.GetType().GetProperties();
foreach (PropertyInfo property in properties)
{
if (!property.CanRead || property.GetCustomAttribute <NotMappedAttribute>() != null)
{
continue;
}
ColumnAttribute column = property.GetCustomAttribute <ColumnAttribute>();
DataParameterInfo paramInfo = _outParams.Single(pi => pi.Name == (column == null ? property.Name : column.Name));
object dataBaseValue = ((DbParameter)_dataBaseCommand.Parameters[paramInfo.Name]).Value;
object propertyValue = paramInfo.Value is bool?Convert.ChangeType(dataBaseValue, TypeCode.Boolean) : dataBaseValue;
if (property.CanWrite)
{
property.SetValue(dataParams, propertyValue);
}
else
{
string fieldName = $"<{paramInfo.Name}>i__Field";
FieldInfo field = dataParams.GetType().GetField(fieldName, BindingFlags.NonPublic | BindingFlags.Instance);
if (field != null)
{
field.SetValue(dataParams, propertyValue);
}
}
}
}
