more fancy

cmd/backoffice/fileserver.go

@@ -5,6 +5,7 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+	"io/fs"
 	"net/http"
 	"os"
 	"path/filepath"
@@ -12,6 +13,7 @@ import (
 	"sort"
 	"strconv"
 	"strings"
+	"syscall"
 	"time"
 
 	"git.tornberg.me/go-cart-actor/pkg/actor"
@@ -52,17 +54,41 @@ func isValidFileId(name string) (uint64, bool) {
 	return 0, false
 }
 
+func AccessTime(info os.FileInfo) (time.Time, bool) {
+	switch stat := info.Sys().(type) {
+	case *syscall.Stat_t:
+		// Linux: Atim; macOS/BSD: Atimespec
+		// Use reflection or build tags if naming differs.
+		// Linux:
+		if stat.Atim.Sec != 0 || stat.Atim.Nsec != 0 {
+			return time.Unix(int64(stat.Atim.Sec), int64(stat.Atim.Nsec)), true
+		}
+		// macOS/BSD example (uncomment if needed):
+		// return time.Unix(int64(stat.Atimespec.Sec), int64(stat.Atimespec.Nsec)), true
+	}
+	return time.Time{}, false
+}
+
+func appendFileInfo(info fs.FileInfo, out *CartFileInfo) *CartFileInfo {
+	sys := info.Sys()
+	fmt.Printf("sys type %T", sys)
+	out.Size = info.Size()
+	out.Modified = info.ModTime()
+	out.Accessed, _ = AccessTime(info)
+	return out
+}
+
 var cartFileRe = regexp.MustCompile(`^(\d+)\.events\.log$`)
 
-func listCartFiles(dir string) ([]CartFileInfo, error) {
+func listCartFiles(dir string) ([]*CartFileInfo, error) {
 	entries, err := os.ReadDir(dir)
 	if err != nil {
 		if errors.Is(err, os.ErrNotExist) {
-			return []CartFileInfo{}, nil
+			return []*CartFileInfo{}, nil
 		}
 		return nil, err
 	}
-	out := make([]CartFileInfo, 0)
+	out := make([]*CartFileInfo, 0)
 	for _, e := range entries {
 		if e.IsDir() {
 			continue
@@ -77,13 +103,10 @@ func listCartFiles(dir string) ([]CartFileInfo, error) {
 			continue
 		}
 		info.Sys()
-		out = append(out, CartFileInfo{
-			ID:       fmt.Sprintf("%d", id),
-			CartId:   cart.CartId(id),
-			Size:     info.Size(),
-			Modified: info.ModTime(),
-			System:   info.Sys(),
-		})
+		out = append(out, appendFileInfo(info, &CartFileInfo{
+			ID:     fmt.Sprintf("%d", id),
+			CartId: cart.CartId(id),
+		}))
 	}
 	return out, nil
 }