add error handler to telegram message

Author: Hesammousavi

README.md

@@ -167,7 +167,13 @@ class InvoicePaid extends Notification
             ->button('View Invoice', $url)
             ->button('Download Invoice', $url)
             // (Optional) Inline Button with callback. You can handle callback in your bot instance
-            ->buttonWithCallback('Confirm', 'confirm_invoice ' . $this->invoice->id);
+            ->buttonWithCallback('Confirm', 'confirm_invoice ' . $this->invoice->id)
+
+            // (Optional) Register a callback to handle exceptions if they occur.
+            // This allows you to define a custom action when an exception is thrown.
+            ->onError(function($exception) {
+                // Custom logic to handle the exception
+            });
     }
 }
 ```

src/TelegramMessage.php

@@ -7,6 +7,7 @@
 use NotificationChannels\Telegram\Contracts\TelegramSenderContract;
 use NotificationChannels\Telegram\Exceptions\CouldNotSendNotification;
 use Psr\Http\Message\ResponseInterface;
+use Closure;
 
 /**
  * Class TelegramMessage.
@@ -15,6 +16,7 @@ class TelegramMessage extends TelegramBase implements TelegramSenderContract
 {
     /** @var int Message Chunk Size */
     public int $chunkSize = 0;
+    public ?Closure $exceptionHandler = null;
 
     public function __construct(string $content = '')
     {
@@ -82,6 +84,22 @@ public function view(string $view, array $data = [], array $mergeData = []): sel
         return $this->content(View::make($view, $data, $mergeData)->render());
     }
 
+    /**
+     * Registers a callback function to handle exceptions.
+     *
+     * This method allows you to define a custom error handler, 
+     * which will be invoked if an exception occurs during the 
+     * notification process. The callback must be a valid Closure.
+     *
+     * @param Closure $callback The closure that will handle exceptions.
+     * @return self
+     */
+    public function onError(Closure $callback): self
+    {
+        $this->exceptionHandler = $callback;
+        return $this;
+    }
+
     /**
      * Chunk message to given size.
      *
@@ -110,11 +128,19 @@ public function send(): ResponseInterface|array|null
     {
         $params = $this->toArray();
 
-        if ($this->shouldChunk()) {
-            return $this->sendChunkedMessage($params);
+        try {
+            if ($this->shouldChunk()) {
+                return $this->sendChunkedMessage($params);
+            }
+    
+            return $this->telegram->sendMessage($params);
+        } catch(Exception $exception) {
+            if(! $this->exceptionHandler) {
+                throw $exception;
+            }
+                
+            $this->exceptionHandler($exception);
         }
-
-        return $this->telegram->sendMessage($params);
     }
 
     /**