Files
seanime-docker/seanime-2.9.10/internal/debrid/client/finder.go
2025-09-20 14:08:38 +01:00

392 lines
13 KiB
Go

package debrid_client
import (
"cmp"
"context"
"fmt"
"seanime/internal/api/anilist"
"seanime/internal/debrid/debrid"
hibiketorrent "seanime/internal/extension/hibike/torrent"
"seanime/internal/hook"
torrentanalyzer "seanime/internal/torrents/analyzer"
itorrent "seanime/internal/torrents/torrent"
"seanime/internal/util"
"slices"
"strconv"
"github.com/samber/lo"
)
func (r *Repository) findBestTorrent(provider debrid.Provider, media *anilist.CompleteAnime, episodeNumber int) (selectedTorrent *hibiketorrent.AnimeTorrent, fileId string, err error) {
defer util.HandlePanicInModuleWithError("debridstream/findBestTorrent", &err)
r.logger.Debug().Msgf("debridstream: Finding best torrent for %s, Episode %d", media.GetTitleSafe(), episodeNumber)
providerId := itorrent.ProviderAnimeTosho
fallbackProviderId := itorrent.ProviderNyaa
// Get AnimeTosho provider extension
providerExtension, ok := r.torrentRepository.GetAnimeProviderExtension(providerId)
if !ok {
r.logger.Error().Str("provider", itorrent.ProviderAnimeTosho).Msg("debridstream: AnimeTosho provider extension not found")
return nil, "", fmt.Errorf("provider extension not found")
}
searchBatch := false
canSearchBatch := !media.IsMovie() && media.IsFinished()
if canSearchBatch {
searchBatch = true
}
loopCount := 0
var currentProvider = providerId
var data *itorrent.SearchData
searchLoop:
for {
data, err = r.torrentRepository.SearchAnime(context.Background(), itorrent.AnimeSearchOptions{
Provider: currentProvider,
Type: itorrent.AnimeSearchTypeSmart,
Media: media.ToBaseAnime(),
Query: "",
Batch: searchBatch,
EpisodeNumber: episodeNumber,
BestReleases: false,
Resolution: r.settings.StreamPreferredResolution,
})
// If we are searching for batches, we don't want to return an error if no torrents are found
// We will just search again without the batch flag
if err != nil {
if !searchBatch {
r.logger.Error().Err(err).Msg("debridstream: Error searching torrents")
// Try fallback provider if we're still on primary provider
if currentProvider == providerId {
r.logger.Debug().Msgf("debridstream: Primary provider failed, trying fallback provider %s", fallbackProviderId)
currentProvider = fallbackProviderId
// Get fallback provider extension
providerExtension, ok = r.torrentRepository.GetAnimeProviderExtension(currentProvider)
if !ok {
r.logger.Error().Str("provider", fallbackProviderId).Msg("debridstream: Fallback provider extension not found")
return nil, "", fmt.Errorf("fallback provider extension not found")
}
continue
}
return nil, "", err
}
searchBatch = false
continue
}
// Get cached
hashes := make([]string, 0)
for _, t := range data.Torrents {
if t.InfoHash == "" {
continue
}
hashes = append(hashes, t.InfoHash)
}
instantAvail := provider.GetInstantAvailability(hashes)
data.DebridInstantAvailability = instantAvail
// If we are searching for batches, we want to filter out torrents that are not cached
if searchBatch {
// Nothing found, search again without the batch flag
if len(data.Torrents) == 0 {
searchBatch = false
loopCount++
continue
}
if len(data.DebridInstantAvailability) > 0 {
r.logger.Debug().Msg("debridstream: Found cached instant availability")
data.Torrents = lo.Filter(data.Torrents, func(t *hibiketorrent.AnimeTorrent, i int) bool {
_, isCached := data.DebridInstantAvailability[t.InfoHash]
return isCached
})
break searchLoop
}
// If we didn't find any cached batches, we will search again without the batch flag
searchBatch = false
loopCount++
continue
}
// If on the first try were looking for file torrents but found no cached ones, we will search again for batches
if loopCount == 0 && canSearchBatch && len(data.DebridInstantAvailability) == 0 {
searchBatch = true
loopCount++
continue
}
// Stop looking if either we found cached torrents or no cached batches were found
break searchLoop
}
if data == nil || len(data.Torrents) == 0 {
// Try fallback provider if we're still on primary provider
if currentProvider == providerId {
r.logger.Debug().Msgf("debridstream: No torrents found with primary provider, trying fallback provider %s", fallbackProviderId)
currentProvider = fallbackProviderId
// Get fallback provider extension
providerExtension, ok = r.torrentRepository.GetAnimeProviderExtension(currentProvider)
if !ok {
r.logger.Error().Str("provider", fallbackProviderId).Msg("debridstream: Fallback provider extension not found")
return nil, "", fmt.Errorf("fallback provider extension not found")
}
// Try searching with fallback provider (reset searchBatch based on canSearchBatch)
searchBatch = false
if canSearchBatch {
searchBatch = true
}
loopCount = 0
// Restart the search with fallback provider
goto searchLoop
}
r.logger.Error().Msg("debridstream: No torrents found")
return nil, "", fmt.Errorf("no torrents found")
}
// Sort by seeders from highest to lowest
slices.SortStableFunc(data.Torrents, func(a, b *hibiketorrent.AnimeTorrent) int {
return cmp.Compare(b.Seeders, a.Seeders)
})
// Trigger hook
fetchedEvent := &DebridAutoSelectTorrentsFetchedEvent{
Torrents: data.Torrents,
}
_ = hook.GlobalHookManager.OnDebridAutoSelectTorrentsFetched().Trigger(fetchedEvent)
data.Torrents = fetchedEvent.Torrents
r.logger.Debug().Msgf("debridstream: Found %d torrents", len(data.Torrents))
hashes := make([]string, 0)
for _, t := range data.Torrents {
if t.InfoHash == "" {
continue
}
hashes = append(hashes, t.InfoHash)
}
// Find cached torrent
instantAvail := provider.GetInstantAvailability(hashes)
data.DebridInstantAvailability = instantAvail
// Filter out torrents that are not cached if we have cached instant availability
if len(data.DebridInstantAvailability) > 0 {
r.logger.Debug().Msg("debridstream: Found cached instant availability")
data.Torrents = lo.Filter(data.Torrents, func(t *hibiketorrent.AnimeTorrent, i int) bool {
_, isCached := data.DebridInstantAvailability[t.InfoHash]
return isCached
})
}
tries := 0
for _, searchT := range data.Torrents {
if tries >= 2 {
break
}
r.logger.Trace().Msgf("debridstream: Getting torrent magnet for %s", searchT.Name)
magnet, err := providerExtension.GetProvider().GetTorrentMagnetLink(searchT)
if err != nil {
r.logger.Warn().Err(err).Msgf("debridstream: Error scraping magnet link for %s", searchT.Link)
tries++
continue
}
// Set the magnet link
searchT.MagnetLink = magnet
r.logger.Debug().Msgf("debridstream: Adding torrent %s from magnet", searchT.Link)
// Get the torrent info
// On Real-Debrid, this will add the torrent
info, err := provider.GetTorrentInfo(debrid.GetTorrentInfoOptions{
MagnetLink: searchT.MagnetLink,
InfoHash: searchT.InfoHash,
})
if err != nil {
r.logger.Warn().Err(err).Msgf("debridstream: Error adding torrent %s", searchT.Link)
tries++
continue
}
filepaths := lo.Map(info.Files, func(f *debrid.TorrentItemFile, _ int) string {
return f.Path
})
if len(filepaths) == 0 {
r.logger.Error().Msg("debridstream: No files found in the torrent")
return nil, "", fmt.Errorf("no files found in the torrent")
}
// Create a new Torrent Analyzer
analyzer := torrentanalyzer.NewAnalyzer(&torrentanalyzer.NewAnalyzerOptions{
Logger: r.logger,
Filepaths: filepaths,
Media: media,
Platform: r.platform,
MetadataProvider: r.metadataProvider,
ForceMatch: true,
})
r.logger.Debug().Msgf("debridstream: Analyzing torrent %s", searchT.Link)
// Analyze torrent files
analysis, err := analyzer.AnalyzeTorrentFiles()
if err != nil {
r.logger.Warn().Err(err).Msg("debridstream: Error analyzing torrent files")
// Remove torrent on failure (if it was added)
//if info.ID != nil {
// go func() {
// _ = provider.DeleteTorrent(*info.ID)
// }()
//}
tries++
continue
}
r.logger.Debug().Int("count", len(analysis.GetFiles())).Msgf("debridstream: Analyzed torrent %s", searchT.Link)
r.logger.Debug().Msgf("debridstream: Finding corresponding file for episode %s", strconv.Itoa(episodeNumber))
analysisFile, found := analysis.GetFileByAniDBEpisode(strconv.Itoa(episodeNumber))
// Check if analyzer found the episode
if !found {
r.logger.Error().Msgf("debridstream: Failed to auto-select episode from torrent %s", searchT.Link)
// Remove torrent on failure
//if info.ID != nil {
// go func() {
// _ = provider.DeleteTorrent(*info.ID)
// }()
//}
tries++
continue
}
r.logger.Debug().Msgf("debridstream: Found corresponding file for episode %s: %s", strconv.Itoa(episodeNumber), analysisFile.GetLocalFile().Name)
tFile := info.Files[analysisFile.GetIndex()]
r.logger.Debug().Str("file", util.SpewT(tFile)).Msgf("debridstream: Selected file %s", tFile.Name)
r.logger.Debug().Msgf("debridstream: Selected torrent %s", searchT.Name)
selectedTorrent = searchT
fileId = tFile.ID
//go func() {
// _ = provider.DeleteTorrent(*info.ID)
//}()
break
}
if selectedTorrent == nil {
return nil, "", fmt.Errorf("failed to find torrent")
}
return
}
// findBestTorrentFromManualSelection is like findBestTorrent but for a pre-selected torrent
func (r *Repository) findBestTorrentFromManualSelection(provider debrid.Provider, t *hibiketorrent.AnimeTorrent, media *anilist.CompleteAnime, episodeNumber int, chosenFileIndex *int) (selectedTorrent *hibiketorrent.AnimeTorrent, fileId string, err error) {
r.logger.Debug().Msgf("debridstream: Analyzing torrent from %s for %s", t.Link, media.GetTitleSafe())
// Get the torrent's provider extension
providerExtension, ok := r.torrentRepository.GetAnimeProviderExtension(t.Provider)
if !ok {
r.logger.Error().Str("provider", t.Provider).Msg("debridstream: provider extension not found")
return nil, "", fmt.Errorf("provider extension not found")
}
// Check if the torrent is cached
if t.InfoHash != "" {
instantAvail := provider.GetInstantAvailability([]string{t.InfoHash})
if len(instantAvail) == 0 {
r.logger.Warn().Msg("debridstream: Torrent is not cached")
// We'll still continue since the user specifically selected this torrent
}
}
// Get the magnet link
magnet, err := providerExtension.GetProvider().GetTorrentMagnetLink(t)
if err != nil {
r.logger.Error().Err(err).Msgf("debridstream: Error scraping magnet link for %s", t.Link)
return nil, "", fmt.Errorf("could not get magnet link from %s", t.Link)
}
// Set the magnet link
t.MagnetLink = magnet
// Get the torrent info from the debrid provider
info, err := provider.GetTorrentInfo(debrid.GetTorrentInfoOptions{
MagnetLink: t.MagnetLink,
InfoHash: t.InfoHash,
})
if err != nil {
r.logger.Error().Err(err).Msgf("debridstream: Error adding torrent %s", t.Link)
return nil, "", err
}
// If the torrent has only one file, return it
if len(info.Files) == 1 {
return t, info.Files[0].ID, nil
}
var fileIndex int
// If the file index is already selected
if chosenFileIndex != nil {
fileIndex = *chosenFileIndex
} else {
// We know the torrent has multiple files, so we'll need to analyze it
filepaths := lo.Map(info.Files, func(f *debrid.TorrentItemFile, _ int) string {
return f.Path
})
if len(filepaths) == 0 {
r.logger.Error().Msg("debridstream: No files found in the torrent")
return nil, "", fmt.Errorf("no files found in the torrent")
}
// Create a new Torrent Analyzer
analyzer := torrentanalyzer.NewAnalyzer(&torrentanalyzer.NewAnalyzerOptions{
Logger: r.logger,
Filepaths: filepaths,
Media: media,
Platform: r.platform,
MetadataProvider: r.metadataProvider,
ForceMatch: true,
})
// Analyze torrent files
analysis, err := analyzer.AnalyzeTorrentFiles()
if err != nil {
r.logger.Warn().Err(err).Msg("debridstream: Error analyzing torrent files")
return nil, "", err
}
analysisFile, found := analysis.GetFileByAniDBEpisode(strconv.Itoa(episodeNumber))
// Check if analyzer found the episode
if !found {
r.logger.Error().Msgf("debridstream: Failed to auto-select episode from torrent %s", t.Name)
return nil, "", fmt.Errorf("could not find episode %d in torrent", episodeNumber)
}
r.logger.Debug().Msgf("debridstream: Found corresponding file for episode %s: %s", strconv.Itoa(episodeNumber), analysisFile.GetLocalFile().Name)
fileIndex = analysisFile.GetIndex()
}
tFile := info.Files[fileIndex]
r.logger.Debug().Str("file", util.SpewT(tFile)).Msgf("debridstream: Selected file %s", tFile.Name)
r.logger.Debug().Msgf("debridstream: Selected torrent %s", t.Name)
return t, tFile.ID, nil
}