Add GetChatMember method functionality

src/TgBotLib/Enums/Methods.php

@@ -23,6 +23,7 @@
     use TgBotLib\Methods\ForwardMessages;
     use TgBotLib\Methods\GetChat;
     use TgBotLib\Methods\GetChatAdministrators;
+    use TgBotLib\Methods\GetChatMember;
     use TgBotLib\Methods\GetChatMemberCount;
     use TgBotLib\Methods\GetFile;
     use TgBotLib\Methods\GetMe;
@@ -122,6 +123,7 @@
         case GET_CHAT = 'getChat';
         case GET_CHAT_ADMINISTRATORS = 'getChatAdministrators';
         case GET_CHAT_MEMBER_COUNT = 'getChatMemberCount';
+        case GET_CHAT_MEMBER = 'getChatMember';
 
         /**
          * Executes a command on the provided bot with the given parameters.
@@ -192,6 +194,7 @@
                 self::GET_CHAT => GetChat::execute($bot, $parameters),
                 self::GET_CHAT_ADMINISTRATORS => GetChatAdministrators::execute($bot, $parameters),
                 self::GET_CHAT_MEMBER_COUNT => GetChatMemberCount::execute($bot, $parameters),
+                self::GET_CHAT_MEMBER => GetChatMember::execute($bot, $parameters),
             };
         }
     }

src/TgBotLib/Methods/GetChatMember.php

@@ -0,0 +1,39 @@
+<?php
+
+    namespace TgBotLib\Methods;
+
+    use TgBotLib\Abstracts\Method;
+    use TgBotLib\Bot;
+    use TgBotLib\Enums\Methods;
+    use TgBotLib\Objects\ChatMember;
+
+    class GetChatMember extends Method
+    {
+
+        /**
+         * @inheritDoc
+         */
+        public static function execute(Bot $bot, array $parameters = []): ChatMember
+        {
+            return ChatMember::fromArray(self::executeCurl(self::buildPost($bot, Methods::GET_CHAT_MEMBER->value, $parameters)));
+        }
+
+        /**
+         * @inheritDoc
+         */
+        public static function getRequiredParameters(): ?array
+        {
+            return [
+                'chat_id',
+                'user_id'
+            ];
+        }
+
+        /**
+         * @inheritDoc
+         */
+        public static function getOptionalParameters(): ?array
+        {
+            return null;
+        }
+    }