Mount bot.on('update') event listener only if message was sent out successfully; Reset one time keyboard after api.send request has been done

src/types/Base.js

@@ -25,7 +25,7 @@ export default class Base extends EventEmitter {
    *				                 gets the Update object containing message
    *
    * @param  {object} bot
-   * @return {promise} returns a promise, resolved with message:answer
+   * @return {Promise} returns a promise, resolved with message:answer
    */
   send(bot) {
     if (this._keyboard) {
@@ -33,19 +33,13 @@ export default class Base extends EventEmitter {
       this.properties.reply_markup = replyMarkup;
     }
 
-    let messageId;
     return new Promise((resolve, reject) => {
       this._apiSend(bot)
         .then(response => {
-          messageId = response.result.message_id;
           this.emit('message:sent', response);
+          return response.result.message_id;
         })
-        .catch(reject);
-
-      if (this._keyboard.one_time_keyboard) {
-        this._keyboard.replyMarkup = '';
-      }
-
+        .then(messageId => {
           const chat = this.properties.chat_id;
           let answers = 0;
 
@@ -73,6 +67,13 @@ export default class Base extends EventEmitter {
               bot.removeListener('update', listener);
             }
           });
+        })
+        .catch(reject)
+        .finally(() => {
+          if (this._keyboard.one_time_keyboard) {
+            this._keyboard.replyMarkup = '';
+          }
+        });
     });
   }