public Enumerator(NyaaSiAsyncEnumerable source, NyaaSiSearchRequest request)
{
_request = request;
_pageInfo = new PageInfo
{
HasNextPage = true
};
}
public static async Task <OneOf <IPagedData <NyaaSiSearchResult>, IAniListError> > SearchAsync(
NyaaSiSearchRequest searchReq)
{
try
{
var searchTerms = (searchReq.SearchTerm ?? string.Empty).Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
var searchString =
$"{BaseAddress}/?f={searchReq.Filter}&c={searchReq.Category}&q={string.Join("+", searchTerms)}&p={searchReq.PageNumber}";
using var httpClient = new HttpClient();
var resp = await httpClient.GetAsync(searchString);
await using var respStream = await resp.Content.ReadAsStreamAsync();
var retList = new List <NyaaSiSearchResult>();
var doc = new HtmlDocument();
doc.Load(respStream);
var torrentTable = doc.DocumentNode.Descendants()
.FirstOrDefault(x =>
x.Attributes.Contains("class") && x.Attributes["class"].Value.Contains("torrent-list"))
?.Descendants("tbody").First();
var torrentRows = torrentTable?.Descendants("tr") ?? new List <HtmlNode>();
foreach (var element in torrentRows)
{
var category = element.Descendants("td").First().Descendants("a").First().Attributes["href"].Value
.Replace("/?c=", "");
var title = element.Descendants("td").ElementAt(1).Descendants("a").First(x =>
!x.Attributes.Contains("class"))
.InnerText
.Trim('\n');
var link = element.Descendants("td").ElementAt(2).Descendants("a")
.FirstOrDefault(x => x.Attributes["href"].Value.Contains(".torrent"))?.Attributes["href"].Value;
var siteLink = element.Descendants("td").ElementAt(1).Descendants("a").First(x =>
!x.Attributes.Contains("class")).Attributes["href"]
.Value;
var date = element.Descendants("td").ElementAt(4).InnerText;
var size = element.Descendants("td").ElementAt(3).InnerText;
var description = string.Empty;
switch (element.Attributes["class"].Value)
{
case "success":
description = "trusted";
break;
case "danger":
description = "remake";
break;
}
var result = new NyaaSiSearchResult
{
Title = title,
Link = $"{BaseAddress}{link}",
PublishDate = DateTime.Parse(date),
Description = description,
Category = NyaaSiConstants.TorrentCategories.GetDisplayCategory(category),
Guid = $"{BaseAddress}{siteLink}",
Size = size
};
retList.Add(result);
}
return(new PagedData <NyaaSiSearchResult>
{
Data = retList,
PageInfo = new PageInfo
{
CurrentPage = searchReq.PageNumber,
HasNextPage = retList.Count > 0
}
});
}
catch (Exception e)
{
return(new AniListError(500, "An error occurred while searching torrents", e, null));
}
}
public NyaaSiAsyncEnumerable(NyaaSiSearchRequest request)
{
_request = request;
}
public static IAsyncEnumerable <OneOf <IPagedData <NyaaSiSearchResult>, IAniListError> > GetSearchEnumerable(
NyaaSiSearchRequest searchReq)
{
return(new NyaaSiAsyncEnumerable(searchReq));
}
