public static async Task <Response> GetResponseAsync <T>(this Request request, CollectionBase <T> service, IMapper mapper)
where T : class
{
var response = new Response()
{
Draw = request.Draw
};
var filter = request.GetQueryExpression <T>();
var order = request.GetOrderExpression <T>();
var pagination = mapper.Map <Pagination>(request);
var items = await service.GetListAsync(filter, order, pagination);
var total = await service.CountAsync();
response.Filtered = filter.Statements.SelectMany(a => a).Any() ? items.Count : (int)total;
response.Total = (int)total;
response.Data = items;
return(response);
}