- Fix issues with new setup

- Fix arr setup getting thr wrong crendentials
- Add file link invalidator
- Other minor bug fixes

internal/utils/file.go

@@ -84,3 +84,54 @@ func readSmallChunks(file *os.File, startPos int64, totalToRead int, chunkSize i
 	}
 	return nil
 }
+
+func EnsureDir(dirPath string) error {
+	if dirPath == "" {
+		return fmt.Errorf("directory path is empty")
+	}
+	_, err := os.Stat(dirPath)
+	if os.IsNotExist(err) {
+		// Directory does not exist, create it
+		if err := os.MkdirAll(dirPath, 0755); err != nil {
+			return fmt.Errorf("failed to create directory: %v", err)
+		}
+		return nil
+	}
+	return err
+}
+
+func FormatSize(bytes int64) string {
+	const (
+		KB = 1024
+		MB = 1024 * KB
+		GB = 1024 * MB
+		TB = 1024 * GB
+	)
+
+	var size float64
+	var unit string
+
+	switch {
+	case bytes >= TB:
+		size = float64(bytes) / TB
+		unit = "TB"
+	case bytes >= GB:
+		size = float64(bytes) / GB
+		unit = "GB"
+	case bytes >= MB:
+		size = float64(bytes) / MB
+		unit = "MB"
+	case bytes >= KB:
+		size = float64(bytes) / KB
+		unit = "KB"
+	default:
+		size = float64(bytes)
+		unit = "bytes"
+	}
+
+	// Format to 2 decimal places for larger units, no decimals for bytes
+	if unit == "bytes" {
+		return fmt.Sprintf("%.0f %s", size, unit)
+	}
+	return fmt.Sprintf("%.2f %s", size, unit)
+}