Rearchitect for different types of response

src/MessageHandler.php

@@ -1,7 +1,58 @@
 <?php
 
-interface MessageHandler
+abstract class MessageHandler
 {
-    public function CanHandle($room_id, $msgid, $message): bool;
-    public function Handle($room_id, $msgid, $message): string;
+    abstract public function TryHandle($room_id, $msgid, $message, $room_lang): bool;
+
+    protected $token = 'CHANGEME';
+    public $PrintToScreen = false;
+
+    protected function sendMessage($chat, $content, $reply = null, $keyboard = null) {
+        return $this->makeRequest('sendMessage', array(
+            'chat_id' => $chat,
+            'text' => $content,
+            'reply_to_message_id' => $reply,
+            'reply_markup' => $keyboard
+        ));
+    }
+
+    protected function sendSticker($chat, $sticker_id, $reply = null) {
+        return $this->makeRequest('sendSticker', array(
+            'chat_id' => $chat,
+            'sticker' => $sticker_id,
+            'reply_to_message_id' => $reply
+        ));
+    }
+
+    protected function sendPhoto($chat, $file_id, $reply = null) {
+        return $this->makeRequest('sendSticker', array(
+            'chat_id' => $chat,
+            'photo' => $file_id,
+            'reply_to_message_id' => $reply
+        ));
+    }
+
+    private function makeRequest($method, $data, $post = true) {
+        if($this->PrintToScreen){
+            echo get_class($this), ' ', $method, ' ', json_encode($data, JSON_PRETTY_PRINT), "\n";
+            return ;
+        }
+
+        $url = 'https://api.telegram.org/bot' . $this->token . '/' . $method;
+
+        $options = array(
+            'http' => array(
+                'header' => "Content-type: application/x-www-form-urlencoded\r\n",
+                'method' => ($post)? 'GET':'POST'
+            )
+        );
+        if ($post) { // POST request
+            $options['http']['content'] = http_build_query($data);
+        } else { // GET Request
+            $url .= '?' . http_build_query($data);
+        }
+        $context = stream_context_create($options);
+
+        return file_get_contents($url, false, $context);
+    }
 }