Handle differently if all are broken

internal/torrent/fixer.go

@@ -3,6 +3,7 @@ package torrent
 import (
 	"io"
 	"os"
+	"strings"
 
 	"github.com/debridmediamanager/zurg/pkg/realdebrid"
 	cmap "github.com/orcaman/concurrent-map/v2"
@@ -36,19 +37,51 @@ func (t *TorrentManager) processFixers(instances []realdebrid.Torrent) {
 		case "replaced": // id is old torrent id
 			t.log.Debugf("Deleting old id=%s because it's redundant to fixed %s ", id, instance.Name)
 			toDelete = append(toDelete, id)
+			continue
+
 		case "download_failed": // id is failed fixer id
 			t.log.Debugf("Deleting failed fixer id=%s of torrent %s", id, instance.Name)
 			toDelete = append(toDelete, id)
+			continue
+
 		case "repaired": // this torrent contains broken files
 			if instance.Progress != 100 {
-				t.fixers.Set(id, "repaired") // requeue the fixer
+				t.fixers.Set(id, command) // requeue the fixer
 				continue
 			}
+
 			torrent := t.getMoreInfo(instance)
 			t.log.Debugf("Repairing torrent %s again now that fixer id=%s is done", t.GetKey(torrent), id)
 			repairMe, _ := allTorrents.Get(t.GetKey(torrent))
 			toRedownload = append(toRedownload, repairMe)
 			toDelete = append(toDelete, id)
+			continue
+		}
+
+		// a new case: repaired_with:<id>
+		if strings.HasPrefix(command, "repaired_with:") {
+			if instance.Progress != 100 {
+				t.fixers.Set(id, command) // requeue the fixer
+				continue
+			}
+
+			otherId := strings.TrimPrefix(command, "repaired_with:")
+			for _, instance := range instances {
+				if instance.ID == otherId {
+					if instance.Progress != 100 {
+						t.fixers.Set(id, command) // requeue the fixer
+						break
+					}
+					torrent := t.getMoreInfo(instance)
+					t.log.Debugf("Repairing torrent %s again now that fixers ids=%s and %s are done", t.GetKey(torrent), id, otherId)
+					repairMe, _ := allTorrents.Get(t.GetKey(torrent))
+					toRedownload = append(toRedownload, repairMe)
+					toDelete = append(toDelete, id, otherId)
+					break
+				}
+			}
+
+			continue
 		}
 	}
 

internal/torrent/repair.go

@@ -163,7 +163,7 @@ func (t *TorrentManager) repair(torrent *Torrent) {
 	}
 
 	// get all broken files
-	brokenFiles := getBrokenFiles(torrent)
+	brokenFiles, allBroken := getBrokenFiles(torrent)
 	brokenFileIDs := getFileIDs(brokenFiles)
 	t.log.Debugf("Torrent %s has %d broken files (ids=%s; total is %d), repairing by redownloading", t.GetKey(torrent), len(brokenFiles), brokenFileIDs, torrent.SelectedFiles.Count())
 
@@ -198,25 +198,50 @@ func (t *TorrentManager) repair(torrent *Torrent) {
 		return
 	}
 
-	if len(brokenFiles) == torrent.SelectedFiles.Count() {
-		// all files are broken, nothing we can do
-		t.log.Warnf("Torrent %s has broken cached files (cached but cannot be downloaded), you can repair it manually, marking as unfixable", t.GetKey(torrent))
-		t.markAsUnfixable(torrent, "broken cache")
-		return
-	}
-
 	// second step: download the broken files
 	if len(brokenFiles) > 0 {
 		t.log.Infof("Repairing by downloading only the %d broken out of %d files of torrent %s", len(brokenFiles), torrent.SelectedFiles.Count(), t.GetKey(torrent))
-		redownloadedInfo, err := t.redownloadTorrent(torrent, brokenFileIDs)
-		if err != nil {
-			t.log.Warnf("Cannot repair torrent %s by downloading broken files (error=%s) giving up", t.GetKey(torrent), err.Error())
+		if !allBroken {
+			redownloadedInfo, err := t.redownloadTorrent(torrent, brokenFileIDs)
+			if err != nil {
+				t.log.Warnf("Cannot repair torrent %s by downloading broken files (error=%s) giving up", t.GetKey(torrent), err.Error())
+				return
+			}
+			if redownloadedInfo != nil {
+				t.fixerAddCommand(redownloadedInfo.ID, "repaired")
+				return
+			}
+		}
+
+		// divide the broken files into 2 groups
+		group1 := make([]*File, 0)
+		group2 := make([]*File, 0)
+		for idx, file := range brokenFiles {
+			if idx%2 == 0 {
+				group1 = append(group1, file)
+			} else {
+				group2 = append(group2, file)
+			}
+		}
+		brokenFileIDs1 := getFileIDs(group1)
+		redownloadedInfo1, err1 := t.redownloadTorrent(torrent, brokenFileIDs1)
+		if err1 != nil {
+			t.log.Warnf("Cannot repair torrent %s by downloading broken files (error=%s) giving up", t.GetKey(torrent), err1.Error())
 			return
 		}
-		if redownloadedInfo != nil {
-			t.fixerAddCommand(redownloadedInfo.ID, "repaired")
-			return
+		if redownloadedInfo1 != nil {
+			brokenFileIDs2 := getFileIDs(group2)
+			redownloadedInfo2, err2 := t.redownloadTorrent(torrent, brokenFileIDs2)
+			if err2 != nil {
+				t.log.Warnf("Cannot repair torrent %s by downloading broken files (error=%s) giving up", t.GetKey(torrent), err2.Error())
+				return
+			}
+			if redownloadedInfo2 != nil {
+				t.fixerAddCommand(redownloadedInfo2.ID, fmt.Sprintf("repaired_with:%s", redownloadedInfo1.ID))
+				return
+			}
 		}
+
 	} else {
 		t.log.Infof("Torrent %s has no broken files to repair", t.GetKey(torrent))
 	}
@@ -447,14 +472,17 @@ func (t *TorrentManager) markAsUnfixable(torrent *Torrent, reason string) {
 }
 
 // getBrokenFiles returns the files that are not http links and not deleted
-func getBrokenFiles(torrent *Torrent) []*File {
+func getBrokenFiles(torrent *Torrent) ([]*File, bool) {
 	var brokenFiles []*File
+	allBroken := true
 	torrent.SelectedFiles.IterCb(func(_ string, file *File) {
 		if file.IsBroken && !file.IsDeleted {
 			brokenFiles = append(brokenFiles, file)
+		} else {
+			allBroken = false
 		}
 	})
-	return brokenFiles
+	return brokenFiles, allBroken
 }
 
 // isStillBroken checks if the torrent is still broken