feat: dispatcher and long poller options

core/pollers.go

@@ -12,7 +12,9 @@ import (
 
 const defaultInterval = 200 * time.Millisecond
 
-type PollerOption interface{}
+type LongPollerOption interface {
+	apply(opts *longPollerOptions)
+}
 
 type Webhook struct{}
 
@@ -23,19 +25,26 @@ type LongPoller struct {
 
 type TestPoller struct{}
 
+type longPollerOptions struct {
+	pollInterval time.Duration
+}
+
 func (w *Webhook) Start(_ context.Context) (<-chan model.Update, error) {
 	return nil, fmt.Errorf("unimplemented")
 }
 
-func NewLongPoller(api *maxbot.Api, options ...PollerOption) *LongPoller {
+func NewLongPoller(api *maxbot.Api, options ...LongPollerOption) *LongPoller {
 	lp := &LongPoller{
 		api: api,
 	}
 
-	if lp.pollInterval == 0 {
-		lp.pollInterval = defaultInterval
+	opts := newLongPollerOptions()
+	for _, opt := range options {
+		opt.apply(opts)
 	}
 
+	lp.pollInterval = opts.pollInterval
+
 	return lp
 }
 
@@ -84,3 +93,9 @@ func (lp *LongPoller) Start(ctx context.Context) (<-chan model.Update, error) {
 func (tp *TestPoller) Start(_ context.Context) (<-chan model.Update, error) {
 	return nil, fmt.Errorf("unimplemented")
 }
+
+func newLongPollerOptions() *longPollerOptions {
+	return &longPollerOptions{
+		pollInterval: defaultInterval,
+	}
+}