From 8b99ccb75cd039b2200f1db46fadba4ac553b995 Mon Sep 17 00:00:00 2001
From: Mohammed Sohail <sohailsameja@gmail.com>
Date: Wed, 1 Aug 2018 22:29:09 +0530
Subject: [PATCH] Add sendAnimation method

Reference: Telegram API Documentation: https://core.telegram.org/bots/api#sendanimation
---
 src/telegram.js | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/src/telegram.js b/src/telegram.js
index 878997c..868d268 100644
--- a/src/telegram.js
+++ b/src/telegram.js
@@ -838,6 +838,32 @@ class TelegramBot extends EventEmitter {
     return this._request('sendVideo', opts);
   }
 
+  /**
+   * Use this method to send animation files (GIF or H.264/MPEG-4 AVC video without sound).
+   * @param  {Number|String} chatId  Unique identifier for the message recipient
+   * @param  {String|stream.Stream|Buffer} doc A file path, Stream or Buffer.
+   * Can also be a `file_id` previously uploaded.
+   * @param  {Object} [options] Additional Telegram query options
+   * @param  {Object} [fileOptions] Optional file related meta-data
+   * @return {Promise}
+   * @see https://core.telegram.org/bots/api#sendanimation
+   * @see https://github.com/yagop/node-telegram-bot-api/blob/master/doc/usage.md#sending-files
+   */
+  sendAnimation(chatId, animation, options = {}, fileOptions = {}) {
+    const opts = {
+      qs: options
+    };
+    opts.qs.chat_id = chatId;
+    try {
+      const sendData = this._formatSendData('animation', animation, fileOptions);
+      opts.formData = sendData[0];
+      opts.qs.document = sendData[1];
+    } catch (ex) {
+      return Promise.reject(ex);
+    }
+    return this._request('sendAnimation', opts);
+  }  
+
   /**
    * Use this method to send rounded square videos of upto 1 minute long.
    * @param  {Number|String} chatId  Unique identifier for the message recipient