private static BaseExpression ConvertToBaseExpression(ExpressionMetadata filterMetadataLeftExpression)
{
var dataValueType = DataValueTypeUtilities.ConvertTypeToDataValueType(filterMetadataLeftExpression.Parameter.Type);
var value = GetQueryValue(filterMetadataLeftExpression.Parameter.Value, dataValueType);
return(ConvertToBaseExpression(dataValueType, value));
}
private static object GetQueryValue(object rawValue, DataValueType dataValueType)
{
if (DataValueTypeUtilities.IsDateDataValueType(dataValueType) && rawValue != null)
{
return($"\"{((DateTime)rawValue):yyyy-MM-ddTHH:mm:ss.fff}\"");
}
return(rawValue);
}
private static BaseExpression CreateDefaultCreateParameterExpression(DataValueType dataValueType)
{
var type = DataValueTypeUtilities.ConvertDataValueTypeToType(dataValueType);
var value = type.IsValueType
? Activator.CreateInstance(type)
: null;
return(CreateParameterExpression(value, dataValueType));
}
private static ColumnExpression ConvertValueToColumnExpression(ModelItem property, object value)
{
return(new ColumnExpression()
{
ExpressionType = EntitySchemaQueryExpressionType.Parameter,
Parameter = new Parameter()
{
DataValueType = DataValueTypeUtilities.ConvertTypeToDataValueType(property.DataValueType),
Value = ConvertValue(property.DataValueType, value)
}
});
}