Closes #144: Add TelegramBot#getChat() method

README.md

@@ -60,6 +60,7 @@ TelegramBot
     * [new TelegramBot(token, [options])](#new_TelegramBot_new)
     * [.stopPolling()](#TelegramBot+stopPolling) ⇒ <code>Promise</code>
     * [.getMe()](#TelegramBot+getMe) ⇒ <code>Promise</code>
+    * [.getChat(chatId)](#TelegramBot+getChat) ⇒ <code>Promise</code>
     * [.setWebHook(url, [cert])](#TelegramBot+setWebHook)
     * [.getUpdates([timeout], [limit], [offset])](#TelegramBot+getUpdates) ⇒ <code>Promise</code>
     * [.sendMessage(chatId, text, [options])](#TelegramBot+sendMessage) ⇒ <code>Promise</code>
@@ -80,6 +81,7 @@ TelegramBot
     * [.editMessageReplyMarkup(replyMarkup, [options])](#TelegramBot+editMessageReplyMarkup) ⇒ <code>Promise</code>
     * [.getUserProfilePhotos(userId, [offset], [limit])](#TelegramBot+getUserProfilePhotos) ⇒ <code>Promise</code>
     * [.sendLocation(chatId, latitude, longitude, [options])](#TelegramBot+sendLocation) ⇒ <code>Promise</code>
+    * [.sendVenue(chatId, latitude, longitude, title, address, [options])](#TelegramBot+sendVenue) ⇒ <code>Promise</code>
     * [.getFile(fileId)](#TelegramBot+getFile) ⇒ <code>Promise</code>
     * [.getFileLink(fileId)](#TelegramBot+getFileLink) ⇒ <code>Promise</code>
     * [.downloadFile(fileId, downloadDir)](#TelegramBot+downloadFile) ⇒ <code>Promise</code>
@@ -119,6 +121,20 @@ Returns basic information about the bot in form of a `User` object.
 
 **Kind**: instance method of <code>[TelegramBot](#TelegramBot)</code>  
 **See**: https://core.telegram.org/bots/api#getme  
+<a name="TelegramBot+getChat"></a>
+
+### telegramBot.getChat(chatId) ⇒ <code>Promise</code>
+Use this method to get up to date information about the chat
+(current name of the user for one-on-one conversations, current
+username of a user, group or channel, etc.).
+
+**Kind**: instance method of <code>[TelegramBot](#TelegramBot)</code>  
+**See**: https://core.telegram.org/bots/api#getchat  
+
+| Param | Type | Description |
+| --- | --- | --- |
+| chatId | <code>Number</code> &#124; <code>String</code> | Unique identifier for the target chat or username of the target supergroup or channel (in the format @channelusername) |
+
 <a name="TelegramBot+setWebHook"></a>
 
 ### telegramBot.setWebHook(url, [cert])
@@ -426,6 +442,24 @@ Use this method to send point on the map.
 | longitude | <code>Float</code> | Longitude of location |
 | [options] | <code>Object</code> | Additional Telegram query options |
 
+<a name="TelegramBot+sendVenue"></a>
+
+### telegramBot.sendVenue(chatId, latitude, longitude, title, address, [options]) ⇒ <code>Promise</code>
+Send venue.
+Use this method to send information about a venue.
+
+**Kind**: instance method of <code>[TelegramBot](#TelegramBot)</code>  
+**See**: https://core.telegram.org/bots/api#sendvenue  
+
+| Param | Type | Description |
+| --- | --- | --- |
+| chatId | <code>Number</code> &#124; <code>String</code> | Unique identifier for the message recipient |
+| latitude | <code>Float</code> | Latitude of location |
+| longitude | <code>Float</code> | Longitude of location |
+| title | <code>String</code> | Name of the venue |
+| address | <code>String</code> | Address of the venue |
+| [options] | <code>Object</code> | Additional Telegram query options |
+
 <a name="TelegramBot+getFile"></a>
 
 ### telegramBot.getFile(fileId) ⇒ <code>Promise</code>

src/telegram.js

@@ -140,7 +140,7 @@ class TelegramBot extends EventEmitter {
       throw new Error(`Error parsing Telegram response: ${String(json)}`);
     }
   }
-  
+
   _fixReplyMarkup(obj) {
     const replyMarkup = obj.reply_markup;
     if (replyMarkup && typeof replyMarkup !== 'string') {
@@ -205,6 +205,21 @@ class TelegramBot extends EventEmitter {
     return this._request(_path);
   }
 
+  /**
+   * Use this method to get up to date information about the chat
+   * (current name of the user for one-on-one conversations, current
+   * username of a user, group or channel, etc.).
+   * @param  {Number|String} chatId Unique identifier for the target chat or username of the target supergroup or channel (in the format @channelusername)
+   * @return {Promise}
+   * @see https://core.telegram.org/bots/api#getchat
+   */
+  getChat(chatId) {
+    const form = {
+      chat_id: chatId
+    };
+    return this._request('getChat', { form });
+  }
+
   /**
    * Specify an url to receive incoming updates via an outgoing webHook.
    * @param {String} url URL where Telegram will make HTTP Post. Leave empty to
@@ -633,7 +648,7 @@ class TelegramBot extends EventEmitter {
     form.longitude = longitude;
     return this._request('sendLocation', { form });
   }
-  
+
   /**
    * Send venue.
    * Use this method to send information about a venue.

test/index.js

@@ -131,6 +131,15 @@ describe('Telegram', function telegramSuite() {
     });
   });
 
+  describe('#getChat', function getChatSuite() {
+    it('should return a Chat object', function test() {
+      const bot = new Telegram(TOKEN);
+      return bot.getChat(USERID).then(resp => {
+        assert.ok(is.object(resp));
+      });
+    });
+  });
+
   describe('#getUpdates', function getUpdatesSuite() {
     it('should return an Array', function test() {
       const bot = new Telegram(TOKEN);