firefly-iii/app/Import/Mapper/Categories.php

<?php
/**
 * Categories.php
 * Copyright (c) 2017 thegrumpydictator@gmail.com
 *
 * This file is part of Firefly III.
 *
 * Firefly III is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Firefly III is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Firefly III. If not, see <http://www.gnu.org/licenses/>.
 */
declare(strict_types=1);

namespace FireflyIII\Import\Mapper;

use FireflyIII\Models\Category;
use FireflyIII\Repositories\Category\CategoryRepositoryInterface;

/**
 * Class Categories.
 */
class Categories implements MapperInterface
{
    /**
     * @return array
     */
    public function getMap(): array
    {
        /** @var CategoryRepositoryInterface $repository */
        $repository = app(CategoryRepositoryInterface::class);
        $result     = $repository->getCategories();
        $list       = [];

        /** @var Category $category */
        foreach ($result as $category) {
            $categoryId        = intval($category->id);
            $list[$categoryId] = $category->name;
        }
        asort($list);
        $list = [0 => trans('import.map_do_not_map')] + $list;

        return $list;
    }
}