marianek.pl/autoload/api/Controllers/ProductsApiController.php

<?php
namespace api\Controllers;

use api\ApiRouter;
use Domain\Product\ProductRepository;

class ProductsApiController
{
    private $productRepo;

    public function __construct(ProductRepository $productRepo)
    {
        $this->productRepo = $productRepo;
    }

    public function list(): void
    {
        if (!ApiRouter::requireMethod('GET')) {
            return;
        }

        $filters = [
            'search' => isset($_GET['search']) ? $_GET['search'] : '',
            'status' => isset($_GET['status']) ? $_GET['status'] : '',
            'promoted' => isset($_GET['promoted']) ? $_GET['promoted'] : '',
        ];

        $sort = isset($_GET['sort']) ? $_GET['sort'] : 'id';
        $sortDir = isset($_GET['sort_dir']) ? $_GET['sort_dir'] : 'DESC';
        $page = max(1, (int)(isset($_GET['page']) ? $_GET['page'] : 1));
        $perPage = max(1, min(100, (int)(isset($_GET['per_page']) ? $_GET['per_page'] : 50)));

        $result = $this->productRepo->listForApi($filters, $sort, $sortDir, $page, $perPage);

        ApiRouter::sendSuccess($result);
    }

    public function get(): void
    {
        if (!ApiRouter::requireMethod('GET')) {
            return;
        }

        $id = (int)(isset($_GET['id']) ? $_GET['id'] : 0);
        if ($id <= 0) {
            ApiRouter::sendError('BAD_REQUEST', 'Missing or invalid id parameter', 400);
            return;
        }

        $product = $this->productRepo->findForApi($id);
        if ($product === null) {
            ApiRouter::sendError('NOT_FOUND', 'Product not found', 404);
            return;
        }

        ApiRouter::sendSuccess($product);
    }

    public function create(): void
    {
        if (!ApiRouter::requireMethod('POST')) {
            return;
        }

        $body = ApiRouter::getJsonBody();
        if ($body === null) {
            ApiRouter::sendError('BAD_REQUEST', 'Missing or invalid JSON body', 400);
            return;
        }

        if (empty($body['languages']) || !is_array($body['languages'])) {
            ApiRouter::sendError('BAD_REQUEST', 'Missing languages (at least one language with name is required)', 400);
            return;
        }

        $hasName = false;
        foreach ($body['languages'] as $lang) {
            if (is_array($lang) && !empty($lang['name'])) {
                $hasName = true;
                break;
            }
        }
        if (!$hasName) {
            ApiRouter::sendError('BAD_REQUEST', 'At least one language must have a name', 400);
            return;
        }

        if (!isset($body['price_brutto'])) {
            ApiRouter::sendError('BAD_REQUEST', 'Missing price_brutto', 400);
            return;
        }

        $formData = $this->mapApiToFormData($body);

        $productId = $this->productRepo->saveProduct($formData);
        if ($productId === null) {
            ApiRouter::sendError('INTERNAL_ERROR', 'Failed to create product', 500);
            return;
        }

        http_response_code(201);
        echo json_encode([
            'status' => 'ok',
            'data' => ['id' => $productId],
        ], JSON_UNESCAPED_UNICODE);
    }

    public function update(): void
    {
        if (!ApiRouter::requireMethod('PUT')) {
            return;
        }

        $id = (int)(isset($_GET['id']) ? $_GET['id'] : 0);
        if ($id <= 0) {
            ApiRouter::sendError('BAD_REQUEST', 'Missing or invalid id parameter', 400);
            return;
        }

        $existing = $this->productRepo->find($id);
        if ($existing === null) {
            ApiRouter::sendError('NOT_FOUND', 'Product not found', 404);
            return;
        }

        $body = ApiRouter::getJsonBody();
        if ($body === null) {
            ApiRouter::sendError('BAD_REQUEST', 'Missing or invalid JSON body', 400);
            return;
        }

        $formData = $this->mapApiToFormData($body, $existing);
        $formData['id'] = $id;

        $this->productRepo->saveProduct($formData);

        $updated = $this->productRepo->findForApi($id);

        ApiRouter::sendSuccess($updated);
    }

    /**
     * Mapuje dane z JSON API na format oczekiwany przez saveProduct().
     *
     * @param array $body Dane z JSON body
     * @param array|null $existing Istniejące dane produktu (partial update)
     * @return array Dane w formacie formularza
     */
    private function mapApiToFormData(array $body, ?array $existing = null): array
    {
        $d = [];

        // Status/promoted — saveProduct expects 'on' for checkboxes
        if (isset($body['status'])) {
            $d['status'] = $body['status'] ? 'on' : '';
        } elseif ($existing !== null) {
            $d['status'] = !empty($existing['status']) ? 'on' : '';
        }

        if (isset($body['promoted'])) {
            $d['promoted'] = $body['promoted'] ? 'on' : '';
        } elseif ($existing !== null) {
            $d['promoted'] = !empty($existing['promoted']) ? 'on' : '';
        }

        if (isset($body['stock_0_buy'])) {
            $d['stock_0_buy'] = $body['stock_0_buy'] ? 'on' : '';
        } elseif ($existing !== null) {
            $d['stock_0_buy'] = !empty($existing['stock_0_buy']) ? 'on' : '';
        }

        // Numeric fields — direct mapping
        $numericFields = [
            'price_brutto', 'price_netto', 'price_brutto_promo', 'price_netto_promo',
            'vat', 'quantity', 'weight',
        ];
        foreach ($numericFields as $field) {
            if (isset($body[$field])) {
                $d[$field] = $body[$field];
            } elseif ($existing !== null && isset($existing[$field])) {
                $d[$field] = $existing[$field];
            }
        }

        // String fields — direct mapping
        $stringFields = [
            'sku', 'ean', 'custom_label_0', 'custom_label_1', 'custom_label_2',
            'custom_label_3', 'custom_label_4', 'wp',
        ];
        foreach ($stringFields as $field) {
            if (isset($body[$field])) {
                $d[$field] = $body[$field];
            } elseif ($existing !== null && isset($existing[$field])) {
                $d[$field] = $existing[$field];
            }
        }

        // Foreign keys
        if (isset($body['set_id'])) {
            $d['set'] = $body['set_id'];
        } elseif ($existing !== null && isset($existing['set_id'])) {
            $d['set'] = $existing['set_id'];
        }

        if (isset($body['producer_id'])) {
            $d['producer_id'] = $body['producer_id'];
        } elseif ($existing !== null && isset($existing['producer_id'])) {
            $d['producer_id'] = $existing['producer_id'];
        }

        if (isset($body['product_unit_id'])) {
            $d['product_unit'] = $body['product_unit_id'];
        } elseif ($existing !== null && isset($existing['product_unit_id'])) {
            $d['product_unit'] = $existing['product_unit_id'];
        }

        // Languages: body.languages.pl.name → d['name']['pl']
        if (isset($body['languages']) && is_array($body['languages'])) {
            $langFields = [
                'name', 'short_description', 'description', 'meta_description',
                'meta_keywords', 'meta_title', 'seo_link', 'copy_from',
                'warehouse_message_zero', 'warehouse_message_nonzero',
                'tab_name_1', 'tab_description_1', 'tab_name_2', 'tab_description_2',
                'canonical', 'security_information',
            ];

            foreach ($body['languages'] as $langId => $langData) {
                if (!is_array($langData)) {
                    continue;
                }
                foreach ($langFields as $field) {
                    if (isset($langData[$field])) {
                        $d[$field][$langId] = $langData[$field];
                    }
                }
            }
        }

        // Categories
        if (isset($body['categories']) && is_array($body['categories'])) {
            $d['categories'] = $body['categories'];
        }

        // Related products
        if (isset($body['products_related']) && is_array($body['products_related'])) {
            $d['products_related'] = $body['products_related'];
        }

        return $d;
    }
}