private ICSharpExpression GetMappingTypeName(IType scalarType)
{
var columnTypeNameClass = provider.GetType($"SKBKontur.Billy.Core.Common.Quering.ColumnTypeNames");
var columnTypeNameClassType = columnTypeNameClass.GetTypeElement();
// ReSharper disable once InconsistentNaming
ICSharpExpression createExpression(string x) => columnTypeNameClassType != null
? factory.CreateReferenceExpression("$0.$1", columnTypeNameClassType.ShortName, x)
: factory.CreateExpression($"ColumnTypeNames.{x}");
if (scalarType.IsNullable())
{
scalarType = scalarType.GetNullableUnderlyingType();
}
if (scalarType.IsInt() || scalarType.IsEnumType())
{
return(createExpression(Constants.Int));
}
if (scalarType.IsGuid())
{
return(createExpression(Constants.UniqueIdentifier));
}
if (scalarType.IsString())
{
return(createExpression(Constants.NVarChar));
}
if (scalarType.IsBool())
{
return(createExpression(Constants.Bit));
}
if (scalarType.IsDateTime())
{
return(createExpression(Constants.DateTime2));
}
if (scalarType.IsLong())
{
return(createExpression(Constants.BigInt));
}
if (scalarType.IsDecimal())
{
return(createExpression(Constants.Decimal));
}
return(factory.CreateExpression("TODO"));
}
