public static GraphQueryBase <TDto> ExtractParams <TDto>(this GraphQueryBase <TDto> request,
IResolverContext context)
{
var page = context.Argument <int>("page") <= 0 ? 1 : context.Argument <int>("page");
var pageSize = context.Argument <int>("pageSize") <= 0 ? 20 : context.Argument <int>("pageSize");
var filterExpr = context.GetQueryableFilterExpr <TDto>();
var sortExpr = context.GetQueryableSortExpr <TDto>();
request.Page = page;
request.PageSize = pageSize;
request.FilterExpr = filterExpr;
request.SortingVisitor = sortExpr;
return(request);
}