fedi-feed-router/app/Services/Article/ValidationService.php

<?php

namespace App\Services\Article;

use App\Models\Article;

class ValidationService
{
    public static function validate(Article $article): Article
    {
        logger('Checking keywords for article: ' . $article->id);

        $articleData = ArticleFetcher::fetchArticleData($article);
        $validationResult = self::validateByKeywords($articleData['full_article']);

        $article->update([
            'is_valid' => $validationResult,
            'validated_at' => now(),
        ]);

        return $article->refresh();
    }

    private static function validateByKeywords(string $full_article): bool
    {
        $keywords = [
            'N-VA', 'Bart De Wever', 'Frank Vandenbroucke',
        ];

        foreach ($keywords as $keyword) {
            if (stripos($full_article, $keyword) !== false) {
                return true;
            }
        }

        return false;
    }
}