Added File Type

lib/types/File.js

@@ -1,5 +1,8 @@
 import Base from './Base';
 import mime from 'mime';
+import fs from 'fs';
+import path from 'path';
+import restler from 'restler';
 
 const TYPES = ['photo', 'video', 'document', 'audio'];
 
@@ -12,7 +15,7 @@ export default class File extends Base {
    * @param  {object} properties File properties, as defined by Telegram API
    */
   constructor(properties = {}) {
-    super('sendMessage');
+    super('sendDocument');
 
     this.properties = properties;
     this._keyboard = new Base();
@@ -30,26 +33,37 @@ export default class File extends Base {
 
   /**
    * Set file of the message
-   * @param  {ReadableStream} stream File Stream
+   * @param  {string} file File path
    * @param {string} fileType (optional) if the first argument is a
    *                          file_id string, this option indicates file type
    * @return {object} returns the message object
    */
-  file(stream, fileType) {
-    if (typeof stream === 'string') {
-      this.properties[fileType] = stream;
+  file(file, fileType) {
+    if (fileType) {
+      this.properties[fileType] = file;
+
+      return this;
     }
 
-    let type = mime.lookup(stream.path).split('/')[0];
+    const stat = fs.statSync(file);
+    const name = path.basename(file);
+
+    let [type, extension] = mime.lookup(file).split('/');
     if (type === 'image') {
       type = 'photo';
     }
 
+    if (extension === 'gif') {
+      type = 'document';
+    }
+
     if (TYPES.indexOf(type) === -1) {
       type = 'document';
     }
 
-    this.properties[type] = stream;
+    this.properties[type] = restler.file(file, name, stat.size, 'utf-8');
+
+    this.method = `send${type[0].toUpperCase() + type.slice(1)}`;
 
     return this;
   }