feat: make it extendable

README.md

@@ -78,6 +78,15 @@ Then use it like this:
         'reply_markup' => $keyboard,
     ]);
 
+### Extend it!
+You may want to add some methods to TeleBot class to improve your code readability and avoid duplication. Look at this simple example as an inspiration:
+
+    TeleBot::extend('isReply', function () {
+        return property_exists($this->message, 'reply_to_message');
+    });
+
+    // if ($tg->isReply()) { ... }
+
 ## Have you seen a problem?
 
 Create an issue and explain your problem!

src/TeleBot.php

@@ -47,9 +47,12 @@
 
 use TeleBot\Util\Http;
 use TeleBot\Exceptions\TeleBotException;
+use TeleBot\Traits\Extendable;
 
 class TeleBot
 {
+    use Extendable;
+
     private $endpoint = 'https://api.telegram.org/bot';
     public $update;
 
@@ -112,6 +115,13 @@ private function createRegexPattern($command)
 
     public function __call($name, $params)
     {
+        if (static::hasExtension($name)) {
+            $extension = static::$extensions[$name];
+            $extension = $extension->bindTo($this, static::class);
+
+            return $extension(...$params);
+        }
+
         $httpResponse = Http::post($this->endpoint . $name, $params[0]);
 
         if (!$httpResponse->ok) {

src/Traits/extendable.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace TeleBot\Traits;
+
+trait Extendable
+{
+    private static $extensions = [];
+
+    public static function extend(string $name, callable $extension)
+    {
+        static::$extensions[$name] = $extension;
+    }
+
+    private static function hasExtension(string $name)
+    {
+        return in_array($name, array_keys(static::$extensions));
+    }
+}