Added ChatBackground

src/TgBotLib/Objects/Telegram/ChatBackground.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace TgBotLib\Objects\Telegram;
+
+use InvalidArgumentException;
+use TgBotLib\Interfaces\ObjectTypeInterface;
+
+class ChatBackground implements ObjectTypeInterface
+{
+    private BackgroundType $type;
+
+    /**
+     * Type of the background
+     *
+     * @return BackgroundType
+     */
+    public function getType(): BackgroundType
+    {
+        return $this->type;
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function toArray(): array
+    {
+        return [
+            'type' => $this->type->toArray()
+        ];
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public static function fromArray(array $data): ObjectTypeInterface
+    {
+        if (!isset($data['type']))
+        {
+            throw new InvalidArgumentException('ChatBackground expected type');
+        }
+
+        $object = new self();
+        $object->type = BackgroundType::fromArray($data['type']);
+        return $object;
+    }
+}