Additions to domain/ and workspace/ chron-note packages

chron-note/internal/workspace/snapshot.go

@@ -0,0 +1,52 @@
+package workspace
+
+import (
+	"context"
+	"fmt"
+	"os"
+
+	"git.michelsen.id/phill/chron/chron-note/internal/domain"
+)
+
+type SnapshotObject struct {
+	ID    domain.ObjectID
+	Size  int64
+	ModNS int64
+}
+
+func (ws *Workspace) Snapshot(ctx context.Context) ([]SnapshotObject, error) {
+	entries, err := os.ReadDir(ws.Dir)
+	if err != nil {
+		return nil, fmt.Errorf("readdir workspace dir: %w", err)
+	}
+
+	out := make([]SnapshotObject, 0, len(entries))
+	for _, e := range entries {
+		if ctx.Err() != nil {
+			return nil, ctx.Err()
+		}
+		if e.IsDir() {
+			continue
+		}
+		info, err := e.Info()
+		if err != nil {
+			return nil, fmt.Errorf("stat workspace entry: %w", err)
+		}
+		if !info.Mode().IsRegular() {
+			continue
+		}
+
+		id, err := domain.ParseObjectID(e.Name())
+		if err != nil {
+			continue
+		}
+
+		out = append(out, SnapshotObject{
+			ID:    id,
+			Size:  info.Size(),
+			ModNS: info.ModTime().UnixNano(),
+		})
+	}
+
+	return out, nil
+}