firefly-iii/app/Helpers/Report/ReportHelperInterface.php

<?php

namespace FireflyIII\Helpers\Report;

use Carbon\Carbon;
use Illuminate\Support\Collection;

/**
 * Interface ReportHelperInterface
 *
 * @package FireflyIII\Helpers\Report
 */
interface ReportHelperInterface
{


    /**
     * @param Carbon $date
     *
     * @return array
     */
    public function listOfMonths(Carbon $date);

    /**
     * @param Carbon $date
     *
     * @return array
     */
    public function listOfYears(Carbon $date);

    /**
     * @param Carbon $date
     *
     * @return array
     */
    public function yearBalanceReport(Carbon $date);

    /**
     * This methods fails to take in account transfers FROM shared accounts.
     *
     * @param Carbon $start
     * @param Carbon $end
     * @param int    $limit
     *
     * @return Collection
     */
    public function expensesGroupedByAccount(Carbon $start, Carbon $end, $limit = 15);

    /**
     * This method gets some kind of list for a monthly overview.
     *
     * @param Carbon $date
     *
     * @return Collection
     */
    public function getBudgetsForMonth(Carbon $date);
}