public OrderByExpression(string orderBy)
{
if (orderBy.StartsWith("-"))
{
Descending = true;
}
Key = QuerySanitizer.GetKey(ValidationType.OrderBy, orderBy);
}
public FilterExpression(string filter)
{
Operator = QuerySanitizer.GetFilterOperator(filter);
Key = QuerySanitizer.GetKey(ValidationType.Filter, filter);
StringValues = QuerySanitizer.GetFilterValues(filter);
this.ValidatePropertyType(Key, StringValues);
Values = StringValues.Select(x => (TResult)Convert.ChangeType(x, typeof(TResult))).ToArray();
OperationExpression = ExpressionFactory <TResult> .RequestFunc(Operator);
}
public static List <IExpression <TEntity> > ParseQuery <TEntity>(this string query,
IInternalQueryValidator <TEntity> validator, ValidationType type)
{
var expressions = new List <IExpression <TEntity> >();
if (query == null)
{
return(expressions);
}
foreach (var subQuery in query.Split(','))
{
var key = QuerySanitizer.GetKey(type, subQuery);
var expressionType = validator.GetResultType(key, type);
expressions.Add((IExpression <TEntity>)MakeGenericType <TEntity>(typeMap[type], expressionType, subQuery));
}
return(expressions);
}
public ExpandExpression(string key)
{
Key = QuerySanitizer.GetKey(ValidationType.Expand, key);
}
