private int GetCountOfPages(AnimeSearch search, int from, int to, int counter = 0)
{
counter++;
if (to - from == 1)
{
search.Page = to;
var result = search.GetSearch();
if (result != null && result.Count > 0)
{
return(to);
}
else
{
return(from);
}
}
else
{
var delemiter = (from + to) / 2;
search.Page = delemiter;
var result = search.GetSearch();
if (result != null && result.Count > 0)
{
return(GetCountOfPages(search, delemiter, to));
}
else
{
return(GetCountOfPages(search, from, delemiter));
}
}
}
public AnimeShortInfo GetRandomTitle(SearchRequest request)
{
var maxPage = 1024;
var searcher = new AnimeSearch();
if (request.Genres != null)
{
foreach (var g in request.Genres)
{
searcher.Genre.Add(g, true);
}
}
if (request.Studios != null)
{
foreach (var s in request.Studios)
{
searcher.Studio.Add(s, true);
}
}
if (request.Seasons != null)
{
maxPage = request.Seasons.Count() * 20;
if (maxPage > 1024)
{
maxPage = 1024;
}
foreach (var s in request.Seasons)
{
searcher.Season.Add(s, true);
}
}
if (request.Text != null)
{
searcher.SearchText = request.Text;
}
if (request.Kinds != null)
{
foreach (var k in request.Kinds)
{
searcher.Kind.Add(k, true);
}
}
if (request.TitleStatuses != null)
{
foreach (var k in request.TitleStatuses)
{
searcher.TitleStatus.Add(k, true);
}
}
var result = new List <AnimeShortInfo>();
if (_lastUpdate.Date != DateTime.Today || _count == 0)
{
_count = GetCountOfPages(searcher, 0, maxPage);
_lastUpdate = DateTime.Now;
_cache.Set("count", _count);
_cache.Set("last_update", _lastUpdate);
}
var count = _count;
searcher.Page = count;
searcher.Censored = request.Censored;
var lastPageCount = searcher.GetSearch().Count();
count++;
var totalCount = (count - 1) * 50 + lastPageCount;
var titleNum = new Random().Next(0, totalCount);
var page = titleNum / 50;
var position = titleNum - 50 * page;
searcher.Page = page;
var local = searcher.GetSearch();
result.AddRange(local);
return(result[position]);
}
