feat: dispatcher and long poller options

state/memory/memory.go

@@ -10,25 +10,31 @@ type FSMStorage struct {
 	m sync.Map
 }
 
+type EventIsolation struct{}
+
 func NewMemoryFSMStorage() *FSMStorage {
 	return &FSMStorage{}
 }
 
-func (f *FSMStorage) Get(_ context.Context, userID int) (*state.Snapshot, error) {
+func (f *FSMStorage) Get(_ context.Context, userID int) (state.Snapshot, error) {
 	st, ok := f.m.Load(userID)
 	if !ok {
-		return nil, state.ErrStateNotFound
+		return state.Snapshot{}, state.ErrStateNotFound
 	}
 
-	return st.(*state.Snapshot), nil
+	return st.(state.Snapshot), nil
 }
 
-func (f *FSMStorage) Put(_ context.Context, snapshot *state.Snapshot) error {
+func (f *FSMStorage) Put(_ context.Context, snapshot state.Snapshot) error {
 	f.m.Store(snapshot.ID, snapshot)
 	return nil
 }
 
-func (f *FSMStorage) Delete(_ context.Context, snapshot *state.Snapshot) error {
-	f.m.Delete(snapshot.ID)
+func (f *FSMStorage) Delete(_ context.Context, userID int) error {
+	f.m.Delete(userID)
 	return nil
 }
+
+func NewMemoryEventIsolation() *EventIsolation {
+	return &EventIsolation{}
+}