async Task <IEnumerable <RemoteSubtitleInfo> > ISubtitleProvider.Search(SubtitleSearchRequest request,
CancellationToken cancellationToken)
{
var imdbIdText = request.GetProviderId(MetadataProviders.Imdb);
long imdbId = 0;
_logger.LogDebug($"{ToDump(request)}");
//_logger.LogDebug($"Imdb id: {imdbIdText}");
switch (request.ContentType)
{
case VideoContentType.Episode:
if (!request.IndexNumber.HasValue || !request.ParentIndexNumber.HasValue ||
string.IsNullOrEmpty(request.SeriesName))
{
_logger.LogDebug("Episode information missing");
return(Enumerable.Empty <RemoteSubtitleInfo>());
}
break;
case VideoContentType.Movie:
if (string.IsNullOrEmpty(request.Name))
{
_logger.LogDebug("Movie name missing");
return(Enumerable.Empty <RemoteSubtitleInfo>());
}
if (string.IsNullOrWhiteSpace(imdbIdText) || !long.TryParse(imdbIdText.TrimStart('t'),
NumberStyles.Any, _usCulture, out imdbId))
{
//_logger.LogDebug($"Imdb id: `{imdbIdText}` - media name: {request.Name}");
_logger.LogDebug("Imdb id missing");
//return Enumerable.Empty<RemoteSubtitleInfo>();
}
break;
}
if (string.IsNullOrEmpty(request.MediaPath))
{
_logger.LogDebug("Path Missing");
return(Enumerable.Empty <RemoteSubtitleInfo>());
}
await Login(cancellationToken).ConfigureAwait(false);
var subLanguageId = NormalizeLanguage(request.Language);
string hash;
using (var fileStream = File.OpenRead(request.MediaPath))
{
hash = Utilities.ComputeHash(fileStream);
}
var fileInfo = _fileSystem.GetFileInfo(request.MediaPath);
var movieByteSize = fileInfo.Length;
//For movies, the imdb id is ued.
var searchImdbId = request.ContentType == VideoContentType.Movie && imdbId != 0 ? imdbId.ToString(_usCulture) : "";
var subtitleSearchParameters = new List <SubtitleSearchParameters>();
switch (request.ContentType)
{
case VideoContentType.Episode:
subtitleSearchParameters = new List <SubtitleSearchParameters>
{
new SubtitleSearchParameters(subLanguageId,
query: request.SeriesName,
season: request.ParentIndexNumber.Value.ToString(_usCulture),
episode: request.IndexNumber.Value.ToString(_usCulture))
};
break;
case VideoContentType.Movie:
subtitleSearchParameters = new List <SubtitleSearchParameters> {
};
if (!string.IsNullOrEmpty(searchImdbId))
{
subtitleSearchParameters.Add(new SubtitleSearchParameters(subLanguageId, imdbid: searchImdbId));
subtitleSearchParameters.Add(new SubtitleSearchParameters(subLanguageId, query: request.Name, imdbid: searchImdbId));
}
else
{
subtitleSearchParameters.Add(new SubtitleSearchParameters(subLanguageId, query: request.Name));
}
break;
}
var parms = new List <SubtitleSearchParameters>
{
new SubtitleSearchParameters(subLanguageId,
movieHash: hash,
movieByteSize: movieByteSize,
imdbid: searchImdbId),
};
parms.AddRange(subtitleSearchParameters);
if (_rateLimitLeft == 0)
{
await Task.Delay(1000);
}
//_logger.LogDebug($"Search params: {ToDump(parms)}");
IMethodResponse searchResult = null;
try
{
var searchResponse = await OpenSubtitlesHandler.OpenSubtitles
.SearchSubtitlesAsync(parms.ToArray(), cancellationToken)
.ConfigureAwait(false);
searchResult = searchResponse.Item1;
//_logger.LogDebug($"Search result: {ToDump(searchResult)}");
_rateLimitLeft = searchResponse.Item2 ?? _rateLimitLeft;
if (searchResponse.Item2 != null)
{
if (_rateLimitLeft <= 4)
{
await Task.Delay(250);
}
}
}
catch (Exception ex)
{
_logger.LogError($"Error while fetching subtitles from opensubtitles.\n{ex}\n{ex.StackTrace}");
}
if (!(searchResult is MethodResponseSubtitleSearch))
{
_logger.LogError("Invalid response type");
return(Enumerable.Empty <RemoteSubtitleInfo>());
}
//Check if we got a 401 error from opensubtitles
if (searchResult.Status.Contains("401"))
{
_logger.LogError("Not authorized to OpenSubtitles");
return(Enumerable.Empty <RemoteSubtitleInfo>());
}
Predicate <SubtitleSearchResult> mediaFilter = x =>
{
switch (request.ContentType)
{
case VideoContentType.Episode:
return(!string.IsNullOrEmpty(x.SeriesSeason) && !string.IsNullOrEmpty(x.SeriesEpisode) &&
int.Parse(x.SeriesSeason, _usCulture) == request.ParentIndexNumber &&
int.Parse(x.SeriesEpisode, _usCulture) == request.IndexNumber);
case VideoContentType.Movie:
if (imdbId == 0)
{
return(x.MovieName.Contains(request.Name));
}
else
{
return(!string.IsNullOrEmpty(x.IDMovieImdb) &&
long.Parse(x.IDMovieImdb, _usCulture) == imdbId);
}
}
return(false);
};
var results = ((MethodResponseSubtitleSearch)searchResult).Results;
// Avoid implicitly captured closure
var hasCopy = hash;
return(results.Where(x =>
x.SubBad == "0" && mediaFilter(x) &&
(!request.IsPerfectMatch || string.Equals(x.MovieHash, hash, StringComparison.OrdinalIgnoreCase)))
.OrderBy(x => (string.Equals(x.MovieHash, hash, StringComparison.OrdinalIgnoreCase) ? 0 : 1))
.ThenBy(x => Math.Abs(long.Parse(x.MovieByteSize, _usCulture) - movieByteSize))
.ThenByDescending(x => int.Parse(x.SubDownloadsCnt, _usCulture))
.ThenByDescending(x => double.Parse(x.SubRating, _usCulture))
.Select(i => new RemoteSubtitleInfo
{
Author = i.UserNickName,
Comment = i.SubAuthorComment,
CommunityRating = float.Parse(i.SubRating, _usCulture),
DownloadCount = int.Parse(i.SubDownloadsCnt, _usCulture),
Format = i.SubFormat,
ProviderName = Name,
ThreeLetterISOLanguageName = i.SubLanguageID,
Id = i.SubFormat + "-" + i.SubLanguageID + "-" + i.IDSubtitleFile,
Name = i.SubFileName,
DateCreated = DateTime.Parse(i.SubAddDate, _usCulture),
IsHashMatch = i.MovieHash == hasCopy
}).Where(i =>
!string.Equals(i.Format, "sub", StringComparison.OrdinalIgnoreCase) &&
!string.Equals(i.Format, "idx", StringComparison.OrdinalIgnoreCase)));
}
private void FillDataGrid(IMethodResponse<Northwind.CustomersDataTable> methodResponse)
{
if(CustomersDataGridView.InvokeRequired)
{
CustomersDataGridView.BeginInvoke(new Action<IMethodResponse<Northwind.CustomersDataTable>>(FillDataGrid),
methodResponse);
return;
}
CustomersDataGridView.DataSource = methodResponse.ReturnValue;
CustomersDataGridView.Update();
}