public function getCompareCampaignsData($campaignNumber, $campaignYear, $otherCampaignNumber, $otherCampaignYear)
{
$firstCampaign = ['number' => $campaignNumber, 'year' => $campaignYear];
$secondCampaign = ['number' => $otherCampaignNumber, 'year' => $otherCampaignYear];
$response = new AjaxResponse();
$response->setSuccessMessage(trans('common.success'));
$response->addExtraFields(['statistics' => CompareCampaignsStatistics::all($firstCampaign, $secondCampaign)]);
return response($response->get())->header('Content-Type', 'application/json');
}
