KCI-CAMPAIGN-TRACKER/app/Controllers/CustomerApiController.php

<?php

declare(strict_types=1);

namespace App\Controllers;

use App\Repositories\CustomerRepository;
use App\Repositories\CustomerTypeRepository;
use Core\Controller;
use Core\Request;
use Core\Response;

class CustomerApiController extends Controller
{
    public function customers(): Response
    {
        $request        = Request::capture();
        $customerTypeId = (int) ($request->input('customer_type_id') ?? 0);

        $repo = new CustomerRepository(database());
        $rows = $customerTypeId > 0
            ? $repo->allByTypeWithType($customerTypeId)
            : $repo->allWithType();

        return $this->json(array_map([$this, 'formatCustomer'], $rows));
    }

    public function customer(string $id): Response
    {
        $repo = new CustomerRepository(database());
        $row  = $repo->findWithType((int) $id);

        if ($row === null) {
            return Response::json(['error' => 'Not found'], 404);
        }

        return $this->json($this->formatCustomer($row));
    }

    public function customerTypes(): Response
    {
        $repo = new CustomerTypeRepository(database());
        $rows = $repo->allOrderedByName();

        $data = array_map(static function (array $row): array {
            $attributes = [];
            if (!empty($row['attributes'])) {
                $attributes = json_decode((string) $row['attributes'], true) ?? [];
            }

            return [
                'id'              => (int)    $row['id'],
                'name'            => (string) $row['name'],
                'api_match_field' => (string) ($row['api_match_field'] ?? ''),
                'attributes'      => $attributes,
            ];
        }, $rows);

        return $this->json($data);
    }

    private function formatCustomer(array $row): array
    {
        $attributeValues = [];
        if (!empty($row['attribute_values'])) {
            $attributeValues = json_decode((string) $row['attribute_values'], true) ?? [];
        }

        return [
            'id'                 => (int)    $row['id'],
            'customer_type_id'   => (int)    $row['customer_type_id'],
            'customer_type_name' => (string) ($row['customer_type_name'] ?? ''),
            'attribute_values'   => $attributeValues,
        ];
    }
}