////TODO this is a temporary solution to avoid automapper
////TODO add some caching
public static Tdto Cast <Tdto>(this MySqlDataReader dataReader)
{
var validTypes = new [] {
typeof(string),
typeof(int),
typeof(int),
typeof(bool),
typeof(long),
typeof(decimal),
typeof(float),
typeof(int?),
typeof(int?),
typeof(bool?),
typeof(long?),
typeof(decimal?),
typeof(float?)
};
var dtoType = typeof(Tdto);
var dtoInstance = Activator.CreateInstance <Tdto>();
if (validTypes.Contains(dtoType))
{
dtoInstance = (Tdto)dataReader[0];
return(dtoInstance);
}
var publicScalarProperties = dtoType.GetProperties().Where(x => validTypes.Contains(x.PropertyType));
var publicScalarFields = dtoType.GetFields().Where(x => validTypes.Contains(x.FieldType));
var missingNames =
publicScalarFields
.Select(f => f.Name)
.Union(publicScalarProperties.Select(p => p.Name))
.Where(n => !dataReader.ContainsOrdinal(n));
if (missingNames.Any())
{
var nameList = string.Join(", ", missingNames);
throw new InvalidOperationException($"Columns not found in dataReader for DTO {dtoType.Name}: {nameList}");
}
foreach (var propertyInfo in publicScalarProperties.Where(p => dataReader.ContainsOrdinal(p.Name)))
{
var colType = propertyInfo.PropertyType;
propertyInfo.SetValue(dtoInstance, dataReader[propertyInfo.Name]);
}
foreach (var field in publicScalarFields.Where(f => dataReader.ContainsOrdinal(f.Name)))
{
var colType = field.FieldType;
var columIndex = dataReader.GetOrdinal(field.Name);
field.SetValue(dtoInstance, dataReader[columIndex]);
}
return(dtoInstance);
}