Add AnswerPreCheckoutQuery method

src/TgBotLib/Enums/Methods.php

@@ -8,6 +8,7 @@
     use TgBotLib\Methods\AddStickerToSet;
     use TgBotLib\Methods\AnswerCallbackQuery;
     use TgBotLib\Methods\AnswerInlineQuery;
+    use TgBotLib\Methods\AnswerPreCheckoutQuery;
     use TgBotLib\Methods\AnswerShippingQuery;
     use TgBotLib\Methods\AnswerWebAppQuery;
     use TgBotLib\Methods\ApproveChatJoinRequest;
@@ -245,6 +246,7 @@
         case SEND_INVOICE = 'sendInvoice';
         case CREATE_INVOICE_LINK = 'createInvoiceLink';
         case ANSWER_SHIPPING_QUERY = 'answerShippingQuery';
+        case ANSWER_PRE_CHECKOUT_QUERY = 'answerPreCheckoutQuery';
 
         /**
          * Executes a command on the provided bot with the given parameters.
@@ -377,6 +379,7 @@
                 self::SEND_INVOICE => SendInvoice::execute($bot, $parameters),
                 self::CREATE_INVOICE_LINK => CreateInvoiceLink::execute($bot, $parameters),
                 self::ANSWER_SHIPPING_QUERY => AnswerShippingQuery::execute($bot, $parameters),
+                self::ANSWER_PRE_CHECKOUT_QUERY => AnswerPreCheckoutQuery::execute($bot, $parameters),
             };
         }
     }

src/TgBotLib/Methods/AnswerPreCheckoutQuery.php

@@ -0,0 +1,40 @@
+<?php
+
+    namespace TgBotLib\Methods;
+
+    use TgBotLib\Abstracts\Method;
+    use TgBotLib\Bot;
+    use TgBotLib\Enums\Methods;
+
+    class AnswerPreCheckoutQuery extends Method
+    {
+
+        /**
+         * @inheritDoc
+         */
+        public static function execute(Bot $bot, array $parameters = []): true
+        {
+            return (bool)self::executeCurl(self::buildPost($bot, Methods::ANSWER_PRE_CHECKOUT_QUERY->value, $parameters));
+        }
+
+        /**
+         * @inheritDoc
+         */
+        public static function getRequiredParameters(): ?array
+        {
+            return [
+                'pre_checkout_query_id',
+                'ok'
+            ];
+        }
+
+        /**
+         * @inheritDoc
+         */
+        public static function getOptionalParameters(): ?array
+        {
+            return [
+                'error_message'
+            ];
+        }
+    }