fix flow

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

flow/default.go

@@ -176,13 +176,13 @@ func (w *microWorkflow) Execute(ctx context.Context, req *Message, opts ...Execu
 	}
 	w.Unlock()
 
-	id, err := id.New()
+	eid, err := id.New()
 	if err != nil {
 		return "", err
 	}
 
-	stepStore := store.NewNamespaceStore(w.opts.Store, filepath.Join("steps", id))
-	workflowStore := store.NewNamespaceStore(w.opts.Store, filepath.Join("workflows", id))
+	stepStore := store.NewNamespaceStore(w.opts.Store, filepath.Join("steps", eid))
+	workflowStore := store.NewNamespaceStore(w.opts.Store, filepath.Join("workflows", eid))
 
 	options := NewExecuteOptions(opts...)
 
@@ -214,13 +214,13 @@ func (w *microWorkflow) Execute(ctx context.Context, req *Message, opts ...Execu
 
 	if werr := workflowStore.Write(w.opts.Context, "status", &codec.Frame{Data: []byte(StatusRunning.String())}); werr != nil {
 		w.opts.Logger.Errorf(w.opts.Context, "store error: %v", werr)
-		return id, werr
+		return eid, werr
 	}
 	for idx := range steps {
 		for nidx := range steps[idx] {
 			cstep := steps[idx][nidx]
 			if werr := stepStore.Write(ctx, filepath.Join(cstep.ID(), "status"), &codec.Frame{Data: []byte(StatusPending.String())}); werr != nil {
-				return id, werr
+				return eid, werr
 			}
 		}
 	}
@@ -316,7 +316,7 @@ func (w *microWorkflow) Execute(ctx context.Context, req *Message, opts ...Execu
 	}()
 
 	if options.Async {
-		return id, nil
+		return eid, nil
 	}
 
 	logger.Tracef(ctx, "wait for finish or error")
@@ -329,7 +329,7 @@ func (w *microWorkflow) Execute(ctx context.Context, req *Message, opts ...Execu
 		close(cherr)
 	case <-chstatus:
 		close(chstatus)
-		return uid.String(), nil
+		return eid, nil
 	}
 
 	switch {
@@ -350,7 +350,7 @@ func (w *microWorkflow) Execute(ctx context.Context, req *Message, opts ...Execu
 		break
 	}
 
-	return uid.String(), err
+	return eid, err
 }
 
 func NewFlow(opts ...Option) Flow {