<?php

namespace JsonApi\Routes\Files;

use Psr\Http\Message\ServerRequestInterface as Request;
use Psr\Http\Message\ResponseInterface as Response;
use JsonApi\Errors\AuthorizationFailedException;
use JsonApi\Errors\RecordNotFoundException;
use JsonApi\JsonApiController;

class TermsOfUseIndex extends JsonApiController
{
    protected $allowedPagingParameters = ['offset', 'limit'];

    /**
     * @SuppressWarnings(PHPMD.UnusedFormalParameters)
     */
    public function __invoke(Request $request, Response $response, $args)
    {
        if (!Authority::canIndexTermsOfUse($this->getUser($request))) {
            throw new AuthorizationFailedException();
        }

        $terms = \ContentTermsOfUse::findBySql('1');

        list($offset, $limit) = $this->getOffsetAndLimit();

        return $this->getPaginatedContentResponse(
            array_slice($terms, $offset, $limit),
            count($terms)
        );
    }
}