Remove download cache

internal/torrent/manager.go

@@ -25,7 +25,6 @@ type TorrentManager struct {
 	Config            config.ConfigInterface
 	Api               *realdebrid.RealDebrid
 	DirectoryMap      cmap.ConcurrentMap[string, cmap.ConcurrentMap[string, *Torrent]] // directory -> accessKey -> Torrent
-	DownloadCache     cmap.ConcurrentMap[string, *realdebrid.Download]
 	DownloadMap       cmap.ConcurrentMap[string, *realdebrid.Download]
 	fixers            cmap.ConcurrentMap[string, string] // trigger -> [command, id]
 	allAccessKeys     mapset.Set[string]
@@ -51,7 +50,6 @@ func NewTorrentManager(cfg config.ConfigInterface, api *realdebrid.RealDebrid, w
 		Config:            cfg,
 		Api:               api,
 		DirectoryMap:      cmap.New[cmap.ConcurrentMap[string, *Torrent]](),
-		DownloadCache:     cmap.New[*realdebrid.Download](),
 		RefreshKillSwitch: make(chan struct{}, 1),
 		RepairKillSwitch:  make(chan struct{}, 1),
 		RemountTrigger:    make(chan struct{}, 1),
@@ -82,20 +80,12 @@ func NewTorrentManager(cfg config.ConfigInterface, api *realdebrid.RealDebrid, w
 
 // proxy
 func (t *TorrentManager) UnrestrictLinkUntilOk(link string) *realdebrid.Download {
-	// check if it's a valid link
-	if !strings.HasPrefix(link, "http") {
-		return nil
-	}
-	if download, exists := t.DownloadCache.Get(link); exists {
-		return download
-	}
 	ret, err := t.Api.UnrestrictLink(link, t.Config.ShouldServeFromRclone())
 	if err != nil {
 		t.log.Warnf("Cannot unrestrict link %s: %v", link, err)
 		return nil
 	}
 	if ret != nil && ret.Link != "" && ret.Filename != "" {
-		t.DownloadCache.Set(ret.Link, ret)
 		if t.Config.EnableDownloadMount() {
 			t.DownloadMap.Set(ret.Filename, ret)
 		}
@@ -199,7 +189,7 @@ func (t *TorrentManager) mountDownloads() {
 	if !t.Config.EnableDownloadMount() {
 		return
 	}
-	t.DownloadMap = cmap.New[*realdebrid.Download]()
+	t.DownloadMap.Clear()
 	_ = t.workerPool.Submit(func() {
 		page := 1
 		offset := 0