code refactoring

server/utils/file.go

@@ -0,0 +1,29 @@
+package utils
+
+import (
+	"crypto/sha256"
+	"encoding/hex"
+	"io/fs"
+	"regexp"
+	"strings"
+)
+
+var (
+	videoRe = regexp.MustCompile(`(?i)/\.mov|\.mp4|\.webm|\.mvk|/gmi`)
+)
+
+func IsVideo(d fs.DirEntry) bool {
+	return videoRe.MatchString(d.Name())
+}
+
+func IsValidEntry(d fs.DirEntry) bool {
+	return !strings.HasPrefix(d.Name(), ".") &&
+		!strings.HasSuffix(d.Name(), ".part") &&
+		!strings.HasSuffix(d.Name(), ".ytdl")
+}
+
+func ShaSumString(path string) string {
+	h := sha256.New()
+	h.Write([]byte(path))
+	return hex.EncodeToString(h.Sum(nil))
+}