Backup #444

Dateiinhalt

<?php

namespace Controller;

use Framework\Controller;
use Infrastructure\Config\DatabaseFactory;

class PromptsController extends Controller
{
    private \PDO $db;

    private const PROMPT_TYPES = [
        'critic' => 'Critic-Prompt',
        'generate' => 'Generierungs-Prompt',
        'revise' => 'Revisions-Prompt',
        'system' => 'System-Prompt',
        'other' => 'Sonstiges',
    ];

    public function __construct()
    {
        $this->db = DatabaseFactory::content();
    }

    /**
     * GET /prompts
     */
    public function index(): void
    {
        $stmt = $this->db->query('
            SELECT p.*,
                   (SELECT COUNT(*) FROM critics c WHERE c.prompt_id = p.id) as critic_count
            FROM prompts p
            ORDER BY p.name
        ');
        $prompts = $stmt->fetchAll(\PDO::FETCH_ASSOC);

        $stats = $this->getStatistics();

        $this->view('prompts.index', [
            'title' => 'Prompts verwalten',
            'prompts' => $prompts,
            'stats' => $stats,
            'promptTypes' => self::PROMPT_TYPES,
        ]);
    }

    /**
     * GET /prompts/new
     */
    public function promptsNew(): void
    {
        $this->view('prompts.form', [
            'title' => 'Neuer Prompt',
            'prompt' => null,
            'promptTypes' => self::PROMPT_TYPES,
            'isEdit' => false,
        ]);
    }

    /**
     * POST /prompts
     */
    public function store(): void
    {
        $this->requireCsrf();

        $name = trim($_POST['name'] ?? '');
        $version = trim($_POST['version'] ?? '1.0');
        $content = $_POST['content'] ?? '';
        $isActive = isset($_POST['is_active']) ? 1 : 0;

        if ($name === '' || $content === '') {
            $_SESSION['error'] = 'Name und Inhalt sind erforderlich.';
            header('Location: /prompts/new');
            exit;
        }

        $stmt = $this->db->prepare('
            INSERT INTO prompts (name, version, content, is_active)
            VALUES (?, ?, ?, ?)
        ');
        $stmt->execute([$name, $version, $content, $isActive]);
        $id = $this->db->lastInsertId();

        $_SESSION['success'] = 'Prompt erfolgreich erstellt.';
        header('Location: /prompts/' . $id);
        exit;
    }

    /**
     * GET /prompts/{id}
     */
    public function show(string $id): void
    {
        $prompt = $this->findById((int) $id);

        if ($prompt === null) {
            $this->notFound('Prompt nicht gefunden');
        }

        // Verknüpfte Critics laden
        $stmt = $this->db->prepare('SELECT * FROM critics WHERE prompt_id = ? ORDER BY name');
        $stmt->execute([$id]);
        $linkedCritics = $stmt->fetchAll(\PDO::FETCH_ASSOC);

        $this->view('prompts.show', [
            'title' => $prompt['name'],
            'prompt' => $prompt,
            'linkedCritics' => $linkedCritics,
            'promptTypes' => self::PROMPT_TYPES,
        ]);
    }

    /**
     * GET /prompts/{id}/edit
     */
    public function edit(string $id): void
    {
        $prompt = $this->findById((int) $id);

        if ($prompt === null) {
            $this->notFound('Prompt nicht gefunden');
        }

        $this->view('prompts.form', [
            'title' => 'Bearbeiten: ' . $prompt['name'],
            'prompt' => $prompt,
            'promptTypes' => self::PROMPT_TYPES,
            'isEdit' => true,
        ]);
    }

    /**
     * POST /prompts/{id}
     */
    public function update(string $id): void
    {
        $this->requireCsrf();

        $prompt = $this->findById((int) $id);

        if ($prompt === null) {
            $this->notFound('Prompt nicht gefunden');
        }

        $name = trim($_POST['name'] ?? '');
        $version = trim($_POST['version'] ?? $prompt['version']);
        $content = $_POST['content'] ?? '';
        $isActive = isset($_POST['is_active']) ? 1 : 0;

        if ($name === '' || $content === '') {
            $_SESSION['error'] = 'Name und Inhalt sind erforderlich.';
            header('Location: /prompts/' . $id . '/edit');
            exit;
        }

        $stmt = $this->db->prepare('
            UPDATE prompts
            SET name = ?, version = ?, content = ?, is_active = ?
            WHERE id = ?
        ');
        $stmt->execute([$name, $version, $content, $isActive, $id]);

        $_SESSION['success'] = 'Prompt aktualisiert.';
        header('Location: /prompts/' . $id);
        exit;
    }

    /**
     * POST /prompts/{id}/delete
     */
    public function delete(string $id): void
    {
        $this->requireCsrf();

        $prompt = $this->findById((int) $id);

        if ($prompt === null) {
            $this->notFound('Prompt nicht gefunden');
        }

        // Prüfen ob Critics verknüpft sind
        $stmt = $this->db->prepare('SELECT COUNT(*) FROM critics WHERE prompt_id = ?');
        $stmt->execute([$id]);
        $criticCount = (int) $stmt->fetchColumn();

        if ($criticCount > 0) {
            $_SESSION['error'] = "Kann nicht gelöscht werden: {$criticCount} Critics verknüpft.";
            header('Location: /prompts/' . $id);
            exit;
        }

        $stmt = $this->db->prepare('DELETE FROM prompts WHERE id = ?');
        $stmt->execute([$id]);

        $_SESSION['success'] = 'Prompt gelöscht.';
        header('Location: /prompts');
        exit;
    }

    /**
     * POST /prompts/{id}/duplicate
     */
    public function duplicate(string $id): void
    {
        $this->requireCsrf();

        $prompt = $this->findById((int) $id);

        if ($prompt === null) {
            $this->notFound('Prompt nicht gefunden');
        }

        $newName = $prompt['name'] . ' (Kopie)';
        $newVersion = '1.0';

        $stmt = $this->db->prepare('
            INSERT INTO prompts (name, version, content, is_active)
            VALUES (?, ?, ?, 0)
        ');
        $stmt->execute([$newName, $newVersion, $prompt['content']]);
        $newId = $this->db->lastInsertId();

        $_SESSION['success'] = 'Prompt dupliziert.';
        header('Location: /prompts/' . $newId . '/edit');
        exit;
    }

    // ========== Private Helpers ==========

    private function findById(int $id): ?array
    {
        $stmt = $this->db->prepare('SELECT * FROM prompts WHERE id = ?');
        $stmt->execute([$id]);
        $result = $stmt->fetch(\PDO::FETCH_ASSOC);

        return $result !== false ? $result : null;
    }

    private function getStatistics(): array
    {
        $stats = ['total' => 0, 'active' => 0, 'inactive' => 0, 'linked_to_critics' => 0];

        $stmt = $this->db->query('SELECT COUNT(*) as cnt, SUM(is_active) as active FROM prompts');
        $row = $stmt->fetch(\PDO::FETCH_ASSOC);
        $stats['total'] = (int) $row['cnt'];
        $stats['active'] = (int) $row['active'];
        $stats['inactive'] = $stats['total'] - $stats['active'];

        $stmt = $this->db->query('SELECT COUNT(DISTINCT prompt_id) FROM critics WHERE prompt_id IS NOT NULL');
        $stats['linked_to_critics'] = (int) $stmt->fetchColumn();

        return $stats;
    }
}

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