Include size of data Directory

Author: inode64

internal/api/backresthandler.go

@@ -7,8 +7,10 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"io/fs"
 	"os"
 	"path"
+	"path/filepath"
 	"runtime"
 	"slices"
 	"strings"
@@ -854,9 +856,10 @@ func (s *BackrestHandler) GetSummaryDashboard(ctx context.Context, req *connect.
 		}, nil
 	}
 
+	DataPathSize := directorySize(env.DataDir())
 	response := &v1.SummaryDashboardResponse{
 		ConfigPath: env.ConfigFilePath(),
-		DataPath:   env.DataDir(),
+		DataPath:   env.DataDir() + " (" + DataPathSize + ")",
 	}
 
 	if hostname, err := os.Hostname(); err != nil {
@@ -926,6 +929,46 @@ func humanTime(d time.Duration) string {
 	return fmt.Sprintf("%02dh:%02dm:%02ds", h, m, s)
 }
 
+func formatSize(size int64) string {
+	if size < 1024 {
+		return fmt.Sprintf("%d B", size)
+	}
+	const unit = 1024
+	if size < unit*unit {
+		return fmt.Sprintf("%.2f KB", float64(size)/unit)
+	}
+	if size < unit*unit*unit {
+		return fmt.Sprintf("%.2f MB", float64(size)/(unit*unit))
+	}
+	if size < unit*unit*unit*unit {
+		return fmt.Sprintf("%.2f GB", float64(size)/(unit*unit*unit))
+	}
+	return fmt.Sprintf("%.2f TB", float64(size)/(unit*unit*unit*unit))
+}
+
+func directorySize(path string) string {
+	var totalSize int64
+	err := filepath.WalkDir(path, func(p string, d fs.DirEntry, err error) error {
+		if err != nil {
+			return err
+		}
+		if !d.IsDir() {
+			info, err := d.Info()
+			if err != nil {
+				return err
+			}
+			totalSize += info.Size()
+		}
+		return nil
+	})
+
+	if err != nil {
+		return "0"
+	}
+
+	return formatSize(totalSize)
+}
+
 func systemOSVersion() string {
 	if data, err := os.ReadFile("/etc/os-release"); err == nil {
 		for _, line := range strings.Split(string(data), "\n") {