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<?php |
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declare(strict_types = 1); |
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/** |
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* This file is part of GitterBot package. |
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* |
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* @author Serafim <[email protected]> |
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* @date 28.03.2016 23:19 |
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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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namespace Domains\Analyser; |
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use Core\Lazy\Fetch; |
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use Domains\Message\Message; |
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use Domains\Message\Url; |
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use Illuminate\Database\Eloquent\Model; |
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/** |
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* Class UrlFinder |
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* @package Domains\Analyser |
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*/ |
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class UrlFinder implements Analyser |
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{ |
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/** |
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* @var Model |
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*/ |
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private $entity; |
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/** |
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* @var string |
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*/ |
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private $table; |
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/** |
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* UrlAnalyser constructor. |
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*/ |
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public function __construct() |
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{ |
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$this->entity = new Url; |
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$this->table = $this->entity->getTable(); |
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} |
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/** |
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* @return $this|Analyser |
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* @throws \Exception |
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*/ |
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public function clear() : Analyser |
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{ |
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$this->entity->delete(); |
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return $this; |
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} |
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/** |
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* @param \Closure|null $progress |
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* @return $this|Analyser |
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*/ |
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public function analyse(\Closure $progress = null) : Analyser |
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{ |
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// Add hidden urls |
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$response = new Fetch(Message::query()); |
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/** @var Message $message */ |
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foreach ($response as $i => $message) { |
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$matches = $this->getUrls($message->text); |
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if (count($matches)) { |
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$urls = []; |
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foreach ($matches as $url) { |
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$urls[] = new Url(['url' => $url]); |
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} |
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$message->urls()->saveMany($urls); |
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if ($progress !== null) { |
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$progress($message, $matches, $i++); |
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} |
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} |
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} |
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return $this; |
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} |
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/** |
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* @param string $text |
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* @return mixed |
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*/ |
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private function getUrls(string $text) |
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{ |
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// TODO Add support for non-latin domains |
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// Current RFC 1738 |
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$pattern = static::getPattern(); |
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preg_match_all($pattern, $text . ' ', $matches, PREG_PATTERN_ORDER); |
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return $matches[1]; |
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} |
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/** |
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* @return string |
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*/ |
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public static function getPattern() |
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{ |
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return '/([a-z]{2,5}:\/\/[a-z]+\.[a-z]{2,}[\w\/\?=%#\-&:\$\.\+\!\*]+)(?:\s|\n)/iu'; |
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} |
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} |
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