forked from LIERLIER/telegram-bot-base
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110 lines
2.8 KiB
110 lines
2.8 KiB
<?php
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/**
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* This file is part of the PHP Telegram Bot example-bot package.
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* https://github.com/php-telegram-bot/example-bot/
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*
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* (c) PHP Telegram Bot Team
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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/**
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* User "/image" command
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*
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* Randomly fetch any uploaded image from the Uploads path and send it to the user.
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*/
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namespace Longman\TelegramBot\Commands\UserCommands;
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use Longman\TelegramBot\Commands\UserCommand;
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use Longman\TelegramBot\Entities\ServerResponse;
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use Longman\TelegramBot\Exception\TelegramException;
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use Longman\TelegramBot\Request;
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class ImageCommand extends UserCommand
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{
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/**
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* @var string
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*/
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protected $name = 'image';
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/**
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* @var string
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*/
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protected $description = 'Randomly fetch any uploaded image';
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/**
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* @var string
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*/
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protected $usage = '/image';
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/**
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* @var string
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*/
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protected $version = '1.2.0';
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/**
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* Main command execution
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*
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* @return ServerResponse
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* @throws TelegramException
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*/
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public function execute(): ServerResponse
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{
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$message = $this->getMessage();
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// Use any extra parameters as the caption text.
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$caption = trim($message->getText(true));
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// Make sure the Upload path has been defined and exists.
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$upload_path = $this->telegram->getUploadPath();
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if (!is_dir($upload_path)) {
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return $this->replyToChat('Upload path has not been defined or does not exist.');
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}
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// Get a random picture from the Upload path.
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$random_image = $this->getRandomImagePath($upload_path);
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if ('' === $random_image) {
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return $this->replyToChat('No image found!');
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}
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// If no caption is set, use the filename.
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if ('' === $caption) {
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$caption = basename($random_image);
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}
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return Request::sendPhoto([
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'chat_id' => $message->getFrom()->getId(),
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'caption' => $caption,
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'photo' => $random_image,
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]);
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}
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/**
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* Return the path to a random image in the passed directory.
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*
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* @param string $dir
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*
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* @return string
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*/
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private function getRandomImagePath($dir): string
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{
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if (!is_dir($dir)) {
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return '';
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}
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// Filter the file list to only return images.
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$image_list = array_filter(scandir($dir), function ($file) {
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$extension = pathinfo($file, PATHINFO_EXTENSION);
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return in_array($extension, ['png', 'jpg', 'jpeg', 'gif']);
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});
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if (!empty($image_list)) {
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shuffle($image_list);
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return $dir . '/' . $image_list[0];
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}
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return '';
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}
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}
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