Add support for fetching forum topic icon stickers

src/TgBotLib/Enums/Methods.php

@@ -27,6 +27,7 @@
     use TgBotLib\Methods\GetChatMember;
     use TgBotLib\Methods\GetChatMemberCount;
     use TgBotLib\Methods\GetFile;
+    use TgBotLib\Methods\GetForumTopicIconStickers;
     use TgBotLib\Methods\GetMe;
     use TgBotLib\Methods\GetUpdates;
     use TgBotLib\Methods\GetUserProfilePhotos;
@@ -128,6 +129,7 @@
         case GET_CHAT_MEMBER = 'getChatMember';
         case SET_CHAT_STICKER_SET = 'setChatStickerSet';
         case DELETE_CHAT_STICKER_SET = 'deleteChatStickerSet';
+        case GET_FORUM_TOPIC_ICON_STICKERS = 'getForumTopicIconStickers';
 
         /**
          * Executes a command on the provided bot with the given parameters.
@@ -201,6 +203,7 @@
                 self::GET_CHAT_MEMBER => GetChatMember::execute($bot, $parameters),
                 self::SET_CHAT_STICKER_SET  => SetChatStickerSet::execute($bot, $parameters),
                 self::DELETE_CHAT_STICKER_SET => DeleteChatStickerSet::execute($bot, $parameters),
+                self::GET_FORUM_TOPIC_ICON_STICKERS => GetForumTopicIconStickers::execute($bot, $parameters),
             };
         }
     }

src/TgBotLib/Methods/GetForumTopicIconStickers.php

@@ -0,0 +1,40 @@
+<?php
+
+    namespace TgBotLib\Methods;
+
+    use TgBotLib\Abstracts\Method;
+    use TgBotLib\Bot;
+    use TgBotLib\Enums\Methods;
+    use TgBotLib\Objects\ChatMember;
+    use TgBotLib\Objects\Stickers\Sticker;
+
+    class GetForumTopicIconStickers extends Method
+    {
+
+        /**
+         * @inheritDoc
+         */
+        public static function execute(Bot $bot, array $parameters = []): array
+        {
+            return array_map(
+                fn($update) => Sticker::fromArray($update),
+                self::executeCurl(self::buildPost($bot, Methods::GET_FORUM_TOPIC_ICON_STICKERS->value, $parameters))
+            );
+        }
+
+        /**
+         * @inheritDoc
+         */
+        public static function getRequiredParameters(): ?array
+        {
+            return null;
+        }
+
+        /**
+         * @inheritDoc
+         */
+        public static function getOptionalParameters(): ?array
+        {
+            return null;
+        }
+    }