presseportale/app/Services/PressRelease/Classification/Drivers/DeterministicClassificationDriver.php

<?php

namespace App\Services\PressRelease\Classification\Drivers;

use App\Enums\PressReleaseClassification;
use App\Models\PressRelease;
use App\Services\PressRelease\BlacklistService;
use App\Services\PressRelease\Classification\ClassificationResult;
use App\Services\PressRelease\Classification\Contracts\ClassificationDriver;

/**
 * Regelbasierter Fallback ohne externe API.
 *
 * Greift, wenn kein KI-Anbieter konfiguriert ist oder die KI ausfällt
 * (Timeout, Rate-Limit, Fehler). Bewertet ausschließlich über die
 * Wort-Blacklist: Treffer → Rot, sonst Grün. Liefert nie Gelb.
 */
class DeterministicClassificationDriver implements ClassificationDriver
{
    public function __construct(private readonly BlacklistService $blacklist) {}

    public function classify(PressRelease $pressRelease): ClassificationResult
    {
        $word = $this->blacklist->findInPressRelease($pressRelease);

        if ($word !== null) {
            return new ClassificationResult(
                classification: PressReleaseClassification::Red,
                reasons: [sprintf('Unzulässiges Wort gefunden: "%s".', $word)],
                provider: 'deterministic',
                model: null,
                rawResponse: ['matched_word' => $word],
            );
        }

        return new ClassificationResult(
            classification: PressReleaseClassification::Green,
            reasons: [],
            provider: 'deterministic',
            model: null,
            rawResponse: ['matched_word' => null],
        );
    }
}