public async Task <IEnumerable <RssFeedViewModel> > GetAllAsync(int page = 1)
{
var newsFeeds = await _feedSource.GetAllNewsAsync().ConfigureAwait(false);
#if DEBUG
await Task.Delay(TimeSpan.FromSeconds(1)).ConfigureAwait(false);
#endif
var feedVms =
newsFeeds.Select(Mapper.Map <RssFeedViewModel>).OrderByDescending(rssModel => rssModel.NewsDate)
.Skip((page - 1) * _pagingConfiguration.PageSize)
.Take(_pagingConfiguration.PageSize);
return(feedVms);
}
public async Task <ActionResult> IndexAsync(int page = 1)
{
var newsFeeds = await _feedSource.GetAllNewsAsync().ConfigureAwait(false);
var feedVms = newsFeeds.Select(Mapper.Map <RssFeedViewModel>).ToList(); // PERFORMANCE-NOTE: На каждой странице приходится запрашивать все данные по новостям
var navigationVm = new NavigationViewModel <RssFeedViewModel>
{
PageElements = feedVms.OrderByDescending(model => model.NewsDate).Skip((page - 1) * _PageSize).Take(_PageSize),
Navigator = new PagingNavigator
{
CurrentPageNumber = page,
ItemsPerPageCount = _PageSize,
TotalItemsCount = feedVms.Count
}
};
return(View(navigationVm));
}