public function trackModel(TrackModelRequest $request)
    {
        $model = $request->input('model');
        $revisions = Revision::where(['revisionable_type' => $model])
            ->orderBy('created_at','desv')->get();

        $result = [];
        $lastDate = '';
        foreach ($revisions as $revision) {
            $date = $revision->created_at->toDateString();
            if ($lastDate != $date) {
                $result[] = [
                    'time' => $revision->created_at->toDateString(),
                    'type' => 'time-label'
                ];
            }
            $result[] = [
                'time' => $revision->created_at->toTimeString(),
                'icon' => 'fa-user',
                'iconBackground' => $this->getIconBackground($revision),
                'header' => $this->getMessage($revision)

            ];
            $lastDate = $date;
        }

        return $result;


    }