src: Support Bot API v4.2

CHANGELOG.md

@@ -5,6 +5,11 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased][Unreleased]
 
+Added:
+
+1. Support Bot API v4.2: (by @kamikazechaser)
+   * Add methods: *TelegramBot#sendPoll()*, *TelegramBot#stopPoll()*
+   * Support events: *poll*
 
 
 * * *

doc/api.md

@@ -61,6 +61,8 @@ TelegramBot
         * [.stopMessageLiveLocation([options])](#TelegramBot+stopMessageLiveLocation) ⇒ <code>Promise</code>
         * [.sendVenue(chatId, latitude, longitude, title, address, [options])](#TelegramBot+sendVenue) ⇒ <code>Promise</code>
         * [.sendContact(chatId, phoneNumber, firstName, [options])](#TelegramBot+sendContact) ⇒ <code>Promise</code>
+        * [.sendPoll(chatId, question, pollOptions, [options])](#TelegramBot+sendPoll) ⇒ <code>Promise</code>
+        * [.stopPoll(chatId, pollId, [options])](#TelegramBot+stopPoll) ⇒ <code>Promise</code>
         * [.getFile(fileId, [options])](#TelegramBot+getFile) ⇒ <code>Promise</code>
         * [.getFileLink(fileId, [options])](#TelegramBot+getFileLink) ⇒ <code>Promise</code>
         * [.getFileStream(fileId, [options])](#TelegramBot+getFileStream) ⇒ <code>stream.Readable</code>
@@ -393,7 +395,7 @@ Send Document
 **Kind**: instance method of [<code>TelegramBot</code>](#TelegramBot)  
 **See**
 
-- https://core.telegram.org/bots/api#senddocument
+- https://core.telegram.org/bots/api#sendDocument
 - https://github.com/yagop/node-telegram-bot-api/blob/master/doc/usage.md#sending-files
 
 
@@ -886,6 +888,37 @@ Use this method to send phone contacts.
 | firstName | <code>String</code> | Contact's first name |
 | [options] | <code>Object</code> | Additional Telegram query options |
 
+<a name="TelegramBot+sendPoll"></a>
+
+### telegramBot.sendPoll(chatId, question, pollOptions, [options]) ⇒ <code>Promise</code>
+Send poll.
+Use this method to send a native poll.
+
+**Kind**: instance method of [<code>TelegramBot</code>](#TelegramBot)  
+**See**: https://core.telegram.org/bots/api#sendpoll  
+
+| Param | Type | Description |
+| --- | --- | --- |
+| chatId | <code>Number</code> \| <code>String</code> | Unique identifier for the group/channel |
+| question | <code>String</code> | Poll question, 255 char limit |
+| pollOptions | <code>Array</code> | Poll options, between 2-10 options |
+| [options] | <code>Object</code> | Additional Telegram query options |
+
+<a name="TelegramBot+stopPoll"></a>
+
+### telegramBot.stopPoll(chatId, pollId, [options]) ⇒ <code>Promise</code>
+Stop poll.
+Use this method to stop a native poll.
+
+**Kind**: instance method of [<code>TelegramBot</code>](#TelegramBot)  
+**See**: https://core.telegram.org/bots/api#stoppoll  
+
+| Param | Type | Description |
+| --- | --- | --- |
+| chatId | <code>Number</code> \| <code>String</code> | Unique identifier for the group/channel |
+| pollId | <code>Number</code> | Identifier of the original message with the poll |
+| [options] | <code>Object</code> | Additional Telegram query options |
+
 <a name="TelegramBot+getFile"></a>
 
 ### telegramBot.getFile(fileId, [options]) ⇒ <code>Promise</code>

doc/usage.md

@@ -17,7 +17,7 @@ that emits the following events:
      `sticker`, `video`, `voice`, `contact`, `location`,
      `new_chat_members`, `left_chat_member`, `new_chat_title`,
      `new_chat_photo`, `delete_chat_photo`, `group_chat_created`,
-     `game`, `pinned_message`, `migrate_from_chat_id`, `migrate_to_chat_id`,
+     `game`, `pinned_message`, `poll`, `migrate_from_chat_id`, `migrate_to_chat_id`,
      `channel_chat_created`, `supergroup_chat_created`,
      `successful_payment`, `invoice`, `video_note`
   1. **Arguments**: `message` ([Message][message]), `metadata` (`{ type?:string }`)
@@ -34,6 +34,7 @@ that emits the following events:
   1. `edited_channel_post_caption`
 1. `shipping_query`: Received a new incoming shipping query
 1. `pre_checkout_query`: Received a new  incoming pre-checkout query
+1. `poll`: Received a new  incoming poll
 1. `polling_error`: Error occurred during polling. See [polling errors](#polling-errors).
 1. `webhook_error`: Error occurred handling a webhook request. See [webhook errors](#webhook-errors).
 1. `error`: Unexpected error occurred, usually fatal!

src/telegram.js

@@ -40,6 +40,7 @@ const _messageTypes = [
   'passport_data',
   'photo',
   'pinned_message',
+  'poll',
   'sticker',
   'successful_payment',
   'supergroup_chat_created',
@@ -586,6 +587,7 @@ class TelegramBot extends EventEmitter {
     const callbackQuery = update.callback_query;
     const shippingQuery = update.shipping_query;
     const preCheckoutQuery = update.pre_checkout_query;
+    const poll = update.poll;
 
     if (message) {
       debug('Process Update message %j', message);
@@ -663,6 +665,9 @@ class TelegramBot extends EventEmitter {
     } else if (preCheckoutQuery) {
       debug('Process Update pre_checkout_query %j', preCheckoutQuery);
       this.emit('pre_checkout_query', preCheckoutQuery);
+    } else if (poll) {
+      debug('Process Update poll %j', poll);
+      this.emit('poll', poll);
     }
   }
 
@@ -1370,6 +1375,39 @@ class TelegramBot extends EventEmitter {
     return this._request('sendContact', { form });
   }
 
+  /**
+   * Send poll.
+   * Use this method to send a native poll.
+   *
+   * @param  {Number|String} chatId  Unique identifier for the group/channel
+   * @param  {String} question Poll question, 255 char limit
+   * @param  {Array} pollOptions Poll options, between 2-10 options
+   * @param  {Object} [options] Additional Telegram query options
+   * @return {Promise}
+   * @see https://core.telegram.org/bots/api#sendpoll
+   */
+  sendPoll(chatId, question, pollOptions, form = {}) {
+    form.chat_id = chatId;
+    form.question = question;
+    form.options = stringify(pollOptions);
+    return this._request('sendPoll', { form });
+  }
+
+  /**
+   * Stop poll.
+   * Use this method to stop a native poll.
+   *
+   * @param  {Number|String} chatId  Unique identifier for the group/channel
+   * @param  {Number} pollId Identifier of the original message with the poll
+   * @param  {Object} [options] Additional Telegram query options
+   * @return {Promise}
+   * @see https://core.telegram.org/bots/api#stoppoll
+   */
+  stopPoll(chatId, pollId, form = {}) {
+    form.chat_id = chatId;
+    form.message_id = pollId;
+    return this._request('stopPoll', { form });
+  }
 
   /**
    * Get file.