add search folder .tsc for cache

server/settings/btsets.go

@@ -2,6 +2,10 @@ package settings
 
 import (
 	"encoding/json"
+	"io"
+	"io/fs"
+	"path/filepath"
+	"strings"
 
 	"server/log"
 )
@@ -62,6 +66,23 @@ func SetBTSets(sets *BTSets) {
 
 	if sets.TorrentsSavePath == "" {
 		sets.UseDisk = false
+	} else if sets.UseDisk {
+		BTsets = sets
+
+		go filepath.WalkDir(sets.TorrentsSavePath, func(path string, d fs.DirEntry, err error) error {
+			if err != nil {
+				return err
+			}
+			if d.IsDir() && strings.ToLower(d.Name()) == ".tsc" {
+				BTsets.TorrentsSavePath = path
+				log.TLogln("Find directory \"" + BTsets.TorrentsSavePath + "\", use as cache dir")
+				return io.EOF
+			}
+			if d.IsDir() && strings.HasPrefix(d.Name(), ".") {
+				return filepath.SkipDir
+			}
+			return nil
+		})
 	}
 
 	BTsets = sets