kikikan/backend/app/Http/Middleware/NoticeIncomplete.php

<?php

namespace App\Http\Middleware;

use Closure;
use Illuminate\Http\Request;
use App\Models\Meeting;
use App\Models\MeetingApprovals;

class NoticeIncomplete
{
    /**
     * 未完了ミーティング通知（親向け）
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Closure  $next
     * @return mixed
     */
    public function handle(Request $request, Closure $next)
    {
        $response = $next($request);
        $count = 0;

        if (is_null(session()->get('fathers'))) {
            session()->forget('fathers');
            return $response;
        }

        if (null !== ($list = Meeting::select('id')->where('father_id', (int)session()->get('fathers')['id'])->get())) {
            foreach ($list as $i => $l) {
                if (null === ($apr = MeetingApprovals::select('id')->where('meeting_id', (int)$l->id)->get())) {
                    continue;
                }

                $cnt = MeetingApprovals::select('id')->whereNotNull('approval_at')->where('meeting_id', (int)$l->id)->count();
                $apr = count($apr);

                if ($apr == $cnt) {
                    continue;
                }

                $count++;
            }
        }

        $content = json_decode($response->content(), true);
        if (json_last_error() == JSON_ERROR_NONE) {
            $response->setContent(json_encode(array_merge($content, ['notice' => $count])));
        }

        return $response;
    }
}