Apply biggest file option to dav mount

internal/dav/listing.go

@@ -7,6 +7,7 @@ import (
 	"sort"
 	"strings"
 
+	"github.com/debridmediamanager/zurg/internal/config"
 	"github.com/debridmediamanager/zurg/internal/torrent"
 	"github.com/debridmediamanager/zurg/pkg/dav"
 	"github.com/debridmediamanager/zurg/pkg/logutil"
@@ -64,6 +65,12 @@ func HandleListFiles(directory, torrentName string, torMgr *torrent.TorrentManag
 		return nil, fmt.Errorf("cannot find torrent %s", torrentName)
 	}
 
+	dirCfg := torMgr.Config.(*config.ZurgConfigV1).GetDirectoryConfig(directory)
+	biggestFileSize := int64(0)
+	if dirCfg.OnlyShowTheBiggestFile {
+		biggestFileSize = tor.ComputeBiggestFileSize()
+	}
+
 	var buf bytes.Buffer
 	buf.WriteString("<?xml version=\"1.0\" encoding=\"utf-8\"?><d:multistatus xmlns:d=\"DAV:\">")
 	buf.WriteString(dav.BaseDirectory(filepath.Join(directory, tor.AccessKey), tor.LatestAdded))
@@ -74,6 +81,9 @@ func HandleListFiles(directory, torrentName string, torMgr *torrent.TorrentManag
 		if !ok || !strings.HasPrefix(file.Link, "http") {
 			continue
 		}
+		if dirCfg.OnlyShowTheBiggestFile && file.Bytes < biggestFileSize {
+			continue
+		}
 		buf.WriteString(dav.File(filename, file.Bytes, file.Ended))
 	}
 	buf.WriteString("</d:multistatus>")