ldc-portsalaries/app/Http/Middleware/UserSite.php

<?php

namespace App\Http\Middleware;

use App\Models\Site;
use Closure;
use Illuminate\Database\Eloquent\ModelNotFoundException;
use App\Enums\Role;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\Session;

class UserSite
{
    /**
     * Handle an incoming request.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Closure  $next
     * @return mixed
     */
    public function handle($request, Closure $next)
    {
        /** @var \App\Models\User */
        $user = auth()->user();
        try {
            if (!Site::whereId($user->selected_site_id)->exists()) {
                $user->selected_site_id = null;
                $user->save();
            }

            if ($request->query('userSite')) {
                /** @var \App\Models\Site|null */
                $site = $user->role->equals(Role::admin()) ?
                    Site::whereId($request->query('userSite'))->first() :
                    $user->sites()->where('site_id', $request->query('userSite'))->first();
                if ($site) {
                    $user->selected_site_id = $site->id;
                    $user->saveOrFail();
                }
            }

            // Select user site
            if (!$user->selected_site_id) {
                /** @var \App\Models\Site */
                $site = $user->role->equals(Role::admin()) ?
                Site::firstOrFail() : $user->sites()->firstOrFail();
                $user->selected_site_id = $site->id;
                $user->saveOrFail();
            }
        } catch (ModelNotFoundException $e) {
            Log::warning("$user->name n'as pas de site administrable.");
            auth()->logout();
            Session::flash('error', "$user->name n'as pas de site administrable.");
            return \response()->redirectToRoute('bo.login');
        }
        return $next($request);
    }
}