Files
decypharr/pkg/store/torrent.go

287 lines
8.3 KiB
Go

package store
import (
"cmp"
"context"
"errors"
"fmt"
"github.com/sirrobot01/decypharr/internal/request"
"github.com/sirrobot01/decypharr/internal/utils"
debridTypes "github.com/sirrobot01/decypharr/pkg/debrid"
"github.com/sirrobot01/decypharr/pkg/debrid/types"
"os"
"path/filepath"
"time"
)
func (s *Store) AddTorrent(ctx context.Context, importReq *ImportRequest) error {
torrent := createTorrentFromMagnet(importReq)
debridTorrent, err := debridTypes.Process(ctx, s.debrid, importReq.SelectedDebrid, importReq.Magnet, importReq.Arr, importReq.Action, importReq.DownloadUncached)
if err != nil {
var httpErr *utils.HTTPError
if ok := errors.As(err, &httpErr); ok {
switch httpErr.Code {
case "too_many_active_downloads":
// Handle too much active downloads error
s.logger.Warn().Msgf("Too many active downloads for %s, adding to queue", importReq.Magnet.Name)
if err := s.addToQueue(importReq); err != nil {
s.logger.Error().Err(err).Msgf("Failed to add %s to queue", importReq.Magnet.Name)
return err
}
torrent.State = "queued"
default:
// Unhandled error, return it, caller logs it
return err
}
} else {
// Unhandled error, return it, caller logs it
return err
}
}
torrent = s.partialTorrentUpdate(torrent, debridTorrent)
s.torrents.AddOrUpdate(torrent)
go s.processFiles(torrent, debridTorrent, importReq) // We can send async for file processing not to delay the response
return nil
}
func (s *Store) processFiles(torrent *Torrent, debridTorrent *types.Torrent, importReq *ImportRequest) {
if debridTorrent == nil {
// Early return if debridTorrent is nil
return
}
deb := s.debrid.Debrid(debridTorrent.Debrid)
client := deb.Client()
downloadingStatuses := client.GetDownloadingStatus()
_arr := importReq.Arr
backoff := time.NewTimer(s.refreshInterval)
defer backoff.Stop()
for debridTorrent.Status != "downloaded" {
s.logger.Debug().Msgf("%s <- (%s) Download Progress: %.2f%%", debridTorrent.Debrid, debridTorrent.Name, debridTorrent.Progress)
dbT, err := client.CheckStatus(debridTorrent)
if err != nil {
if dbT != nil && dbT.Id != "" {
// Delete the torrent if it was not downloaded
go func() {
_ = client.DeleteTorrent(dbT.Id)
}()
}
s.logger.Error().Msgf("Error checking status: %v", err)
s.markTorrentAsFailed(torrent)
go func() {
_arr.Refresh()
}()
importReq.markAsFailed(err, torrent, debridTorrent)
return
}
debridTorrent = dbT
torrent = s.partialTorrentUpdate(torrent, debridTorrent)
// Exit the loop for downloading statuses to prevent memory buildup
if debridTorrent.Status == "downloaded" || !utils.Contains(downloadingStatuses, debridTorrent.Status) {
break
}
select {
case <-backoff.C:
// Increase interval gradually, cap at max
nextInterval := min(s.refreshInterval*2, 30*time.Second)
backoff.Reset(nextInterval)
}
}
var torrentSymlinkPath string
var err error
debridTorrent.Arr = _arr
// Check if debrid supports webdav by checking cache
timer := time.Now()
onFailed := func(err error) {
s.markTorrentAsFailed(torrent)
go func() {
if deleteErr := client.DeleteTorrent(debridTorrent.Id); deleteErr != nil {
s.logger.Warn().Err(deleteErr).Msgf("Failed to delete torrent %s", debridTorrent.Id)
}
}()
s.logger.Error().Err(err).Msgf("Error occured while processing torrent %s", debridTorrent.Name)
importReq.markAsFailed(err, torrent, debridTorrent)
return
}
onSuccess := func(torrentSymlinkPath string) {
torrent.TorrentPath = torrentSymlinkPath
s.updateTorrent(torrent, debridTorrent)
s.logger.Info().Msgf("Adding %s took %s", debridTorrent.Name, time.Since(timer))
go importReq.markAsCompleted(torrent, debridTorrent) // Mark the import request as completed, send callback if needed
go func() {
if err := request.SendDiscordMessage("download_complete", "success", torrent.discordContext()); err != nil {
s.logger.Error().Msgf("Error sending discord message: %v", err)
}
}()
go func() {
_arr.Refresh()
}()
}
switch importReq.Action {
case "symlink":
// Symlink action, we will create a symlink to the torrent
s.logger.Debug().Msgf("Post-Download Action: Symlink")
cache := deb.Cache()
if cache != nil {
s.logger.Info().Msgf("Using internal webdav for %s", debridTorrent.Debrid)
// Use webdav to download the file
if err := cache.Add(debridTorrent); err != nil {
onFailed(err)
return
}
rclonePath := filepath.Join(debridTorrent.MountPath, cache.GetTorrentFolder(debridTorrent)) // /mnt/remote/realdebrid/MyTVShow
torrentFolderNoExt := utils.RemoveExtension(debridTorrent.Name)
torrentSymlinkPath, err = s.createSymlinksWebdav(torrent, debridTorrent, rclonePath, torrentFolderNoExt) // /mnt/symlinks/{category}/MyTVShow/
} else {
// User is using either zurg or debrid webdav
torrentSymlinkPath, err = s.processSymlink(torrent, debridTorrent) // /mnt/symlinks/{category}/MyTVShow/
}
if err != nil {
onFailed(err)
return
}
if torrentSymlinkPath == "" {
err = fmt.Errorf("symlink path is empty for %s", debridTorrent.Name)
onFailed(err)
}
onSuccess(torrentSymlinkPath)
return
case "download":
// Download action, we will download the torrent to the specified folder
// Generate download links
s.logger.Debug().Msgf("Post-Download Action: Download")
if err := client.GetFileDownloadLinks(debridTorrent); err != nil {
onFailed(err)
return
}
torrentSymlinkPath, err = s.processDownload(torrent, debridTorrent)
if err != nil {
onFailed(err)
return
}
if torrentSymlinkPath == "" {
err = fmt.Errorf("download path is empty for %s", debridTorrent.Name)
onFailed(err)
return
}
onSuccess(torrentSymlinkPath)
case "none":
s.logger.Debug().Msgf("Post-Download Action: None")
// No action, just update the torrent and mark it as completed
onSuccess(torrent.TorrentPath)
default:
// Action is none, do nothing, fallthrough
}
}
func (s *Store) markTorrentAsFailed(t *Torrent) *Torrent {
t.State = "error"
s.torrents.AddOrUpdate(t)
go func() {
if err := request.SendDiscordMessage("download_failed", "error", t.discordContext()); err != nil {
s.logger.Error().Msgf("Error sending discord message: %v", err)
}
}()
return t
}
func (s *Store) partialTorrentUpdate(t *Torrent, debridTorrent *types.Torrent) *Torrent {
if debridTorrent == nil {
return t
}
addedOn, err := time.Parse(time.RFC3339, debridTorrent.Added)
if err != nil {
addedOn = time.Now()
}
totalSize := debridTorrent.Bytes
progress := (cmp.Or(debridTorrent.Progress, 0.0)) / 100.0
sizeCompleted := int64(float64(totalSize) * progress)
var speed int64
if debridTorrent.Speed != 0 {
speed = debridTorrent.Speed
}
var eta int
if speed != 0 {
eta = int((totalSize - sizeCompleted) / speed)
}
files := make([]*File, 0, len(debridTorrent.Files))
for index, file := range debridTorrent.GetFiles() {
files = append(files, &File{
Index: index,
Name: file.Path,
Size: file.Size,
})
}
t.DebridID = debridTorrent.Id
t.Name = debridTorrent.Name
t.AddedOn = addedOn.Unix()
t.Files = files
t.Debrid = debridTorrent.Debrid
t.Size = totalSize
t.Completed = sizeCompleted
t.NumSeeds = debridTorrent.Seeders
t.Downloaded = sizeCompleted
t.DownloadedSession = sizeCompleted
t.Uploaded = sizeCompleted
t.UploadedSession = sizeCompleted
t.AmountLeft = totalSize - sizeCompleted
t.Progress = progress
t.Eta = eta
t.Dlspeed = speed
t.Upspeed = speed
t.ContentPath = filepath.Join(t.SavePath, t.Name) + string(os.PathSeparator)
return t
}
func (s *Store) updateTorrent(t *Torrent, debridTorrent *types.Torrent) *Torrent {
if debridTorrent == nil {
return t
}
if debridClient := s.debrid.Clients()[debridTorrent.Debrid]; debridClient != nil {
if debridTorrent.Status != "downloaded" {
_ = debridClient.UpdateTorrent(debridTorrent)
}
}
t = s.partialTorrentUpdate(t, debridTorrent)
t.ContentPath = t.TorrentPath + string(os.PathSeparator)
if t.IsReady() {
t.State = "pausedUP"
s.torrents.Update(t)
return t
}
ticker := time.NewTicker(100 * time.Millisecond)
defer ticker.Stop()
for {
select {
case <-ticker.C:
if t.IsReady() {
t.State = "pausedUP"
s.torrents.Update(t)
return t
}
updatedT := s.updateTorrent(t, debridTorrent)
t = updatedT
case <-time.After(10 * time.Minute): // Add a timeout
return t
}
}
}