public async Task <PaginatedList <OfferModel> > Get(SearchModel model)
{
var spec = model.ToSpecification <Offer>();
var entities = await _repository.Get(spec);
var count = await _repository.CountAsync();
return(new PaginatedList <OfferModel>(
model.PageIndex,
entities.Count,
count,
_mapper.Map <IList <OfferModel> >(entities)));
}