add option WithNoAsyncHandlers

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## v1.9.0 (2024-10-17)
+
+- IMPORTANT! New option `WithNotAsyncHandlers` allows to run handlers in the main goroutine. Now, by default, all handlers are run in separate goroutines.
+
 ## v1.8.4 (2024-10-10)
 
 - add method GetBusinessConnection (#123)

bot.go

@@ -38,6 +38,7 @@ type Bot struct {
 	webhookSecretToken string
 	testEnvironment    bool
 	workers            int
+	notAsyncHandlers   bool
 
 	defaultHandlerFunc HandlerFunc
 

options.go

@@ -123,3 +123,10 @@ func UseTestEnvironment() Option {
 		b.testEnvironment = true
 	}
 }
+
+// WithNotAsyncHandlers allows to run handlers in the main goroutine
+func WithNotAsyncHandlers() Option {
+	return func(b *Bot) {
+		b.notAsyncHandlers = true
+	}
+}

process_update.go

@@ -19,13 +19,16 @@ func applyMiddlewares(h HandlerFunc, m ...Middleware) HandlerFunc {
 
 // ProcessUpdate allows you to process update
 func (b *Bot) ProcessUpdate(ctx context.Context, upd *models.Update) {
-	h := b.defaultHandlerFunc
+	h := b.findHandler(upd)
 
-	defer func() {
-		applyMiddlewares(h, b.middlewares...)(ctx, b, upd)
-	}()
+	r := applyMiddlewares(h, b.middlewares...)
 
-	h = b.findHandler(upd)
+	if b.notAsyncHandlers {
+		r(ctx, b, upd)
+		return
+	}
+
+	go r(ctx, b, upd)
 }
 
 func (b *Bot) findHandler(upd *models.Update) HandlerFunc {

process_update_test.go

@@ -37,6 +37,7 @@ func TestProcessUpdate(t *testing.T) {
 	bot := &Bot{
 		defaultHandlerFunc: h,
 		middlewares:        []Middleware{},
+		notAsyncHandlers:   true,
 	}
 
 	ctx := context.Background()
@@ -63,6 +64,7 @@ func TestProcessUpdate_WithMiddlewares(t *testing.T) {
 	bot := &Bot{
 		defaultHandlerFunc: h,
 		middlewares:        []Middleware{middleware},
+		notAsyncHandlers:   true,
 	}
 
 	ctx := context.Background()
@@ -88,6 +90,7 @@ func TestProcessUpdate_WithMatchTypeFunc(t *testing.T) {
 
 	bot := &Bot{
 		defaultHandlerFunc: h1,
+		notAsyncHandlers:   true,
 	}
 
 	bot.RegisterHandlerMatchFunc(m, h2)