refactor: refactor channel

utils/bot/bot.go

@@ -18,21 +18,21 @@ import (
 )
 
 type Bot struct {
-	HookData  structs.HookData
-	typingCh  chan struct{}
-	commandCh chan error
+	HookData structs.HookData
+	rCh      chan rChannel
+}
+
+type rChannel struct {
+	err error
 }
 
 func NewBot(hookData structs.HookData) *Bot {
-	tCh := make(chan struct{})
-	commandCh := make(chan error)
+	ch := make(chan rChannel, 2)
 
-	return &Bot{hookData, tCh, commandCh}
+	return &Bot{HookData: hookData, rCh: ch}
 }
 
 func (b Bot) ResolveHook() error {
-	var err error
-
 	go b.setTypingAction()
 
 	switch {
@@ -42,19 +42,30 @@ func (b Bot) ResolveHook() error {
 		go b.resolveCallbackCommand()
 	}
 
-	// to do refactor
-	<-b.typingCh
-	err = <-b.commandCh
+	for r := range b.rCh {
+		if r.err != nil {
+			return r.err
+		}
+	}
 
-	return err
+	return nil
 }
 
-func (b Bot) getTelegramData() structs.DataTele {
-	data := b.HookData
+func (b Bot) setTypingAction() {
+	data := b.getTelegramData()
 	rawMessage := b.getRawMessage()
-	name := data.Message.From.FirstName
 
-	log.Printf("Yêu cầu từ bạn %s: %s", name, rawMessage)
+	log.Printf("Yêu cầu từ bạn %s: %s", data.FirstName, rawMessage)
+
+	err := telegram.SetTypingAction(data)
+
+	defer func() {
+		b.rCh <- rChannel{err: err}
+	}()
+}
+
+func (b Bot) getTelegramData() structs.DataTele {
+	rawMessage := b.getRawMessage()
 
 	return structs.DataTele{
 		ChatId:     b.getChatId(),
@@ -70,7 +81,7 @@ func (b Bot) resolveCommand() error {
 	var err error
 
 	defer func() {
-		b.commandCh <- err
+		b.rCh <- rChannel{err: err}
 	}()
 
 	data := b.getTelegramData()
@@ -109,7 +120,8 @@ func (b Bot) resolveCallbackCommand() error {
 	var err error
 
 	defer func() {
-		b.commandCh <- err
+		b.rCh <- rChannel{err: err}
+		close(b.rCh)
 	}()
 
 	data := b.getTelegramData()
@@ -181,13 +193,6 @@ func (b Bot) getFirstName() string {
 	return b.HookData.Message.From.FirstName
 }
 
-func (b Bot) setTypingAction() {
-	defer close(b.typingCh)
-
-	data := b.getTelegramData()
-	telegram.SetTypingAction(data)
-}
-
 func (b Bot) sendStartMessage(data structs.DataTele) error {
 	message := fmt.Sprintf("Xin chào %s \n\nGõ <code>/help</code> để xem danh sách các lệnh mà bot hỗ trợ nhé.\n\nBạn cũng có thể truy cập nhanh các chức năng bằng cách nhấn nút Menu bên dưới.", data.FirstName)
 	data.ReplyMessage = message

utils/telegram/telegram.go

@@ -188,14 +188,13 @@ func SendMessageWithReplyMarkup(data structs.DataTele, replyMark []structs.Butto
 	return errors.New(string(body))
 }
 
-func SetTypingAction(data structs.DataTele) {
+func SetTypingAction(data structs.DataTele) error {
 	chatId := data.ChatId
 
 	url := getApiURL("sendChatAction")
 	req, err := http.NewRequest("GET", url, nil)
 	if err != nil {
-		log.Println(err)
-		return
+		return err
 	}
 
 	q := req.URL.Query()
@@ -209,21 +208,22 @@ func SetTypingAction(data structs.DataTele) {
 	res, err := client.Do(req)
 
 	if err != nil {
-		log.Println(err)
-		return
+		return err
 	}
 
 	defer res.Body.Close()
 
 	body, err := ioutil.ReadAll(res.Body)
 
 	if err != nil {
-		log.Panic(err)
+		return err
 	}
 
 	if body != nil {
 		log.Println("SetTypingAction OK")
 	}
+
+	return nil
 }
 
 func GetBotCommands() structs.BotCommands {