Call to undefined method stdClass::isOnline() in Laravel 6 - laravel

Question

I'm trying to cheek the user is online or offline in my chat blade. I make a realtime chat in Laravel using Pusher and it's working fine but I have a issue to show user online offline status. I make middleware LastUserActivity and also registerd a my middleware in kernel.php but I constantly get this error.
Call to undefined method stdClass::save()
middleware
<?PHP
namespace App\Http\Middleware;
use Closure;
use Auth;
use Cache;
use Carbon\Carbon;
class LastUserActivity
{
/**
* Handle an incoming request.
*
* #param \Illuminate\Http\Request $request
* #param \Closure $next
* #return mixed
*/
public function handle($request, Closure $next)
{
if(Auth::check()){
$expiresAt = Carbon::now()->addMinutes(1);
Cache::put('user-is-online-'.Auth::user()->id, true, $expiresAt);
}
return $next($request);
}
}
User Model
<?PHP
namespace App;
use Illuminate\Contracts\Auth\MustVerifyEmail;
use Illuminate\Foundation\Auth\User as Authenticatable;
use Illuminate\Notifications\Notifiable;
use Cache;
class User extends Authenticatable
{
use Notifiable;
/**
* The attributes that are mass assignable.
*
* #var array
*/
protected $fillable = [
'name', 'email', 'gender', 'dob', 'image', 'password', 'is_admin', 'mobile', 'service_id', 'country_id', 'city_id', 'piincode'
];
/**
* The attributes that should be hidden for arrays.
*
* #var array
*/
protected $hidden = [
'password', 'remember_token',
];
/**
* The attributes that should be cast to native types.
*
* #var array
*/
protected $casts = [
'email_verified_at' => 'datetime',
];
//check if User is online
public function isOnline()
{
return Cache::has('user-is-online-'. $this->id);
}
}
my blade file is
<ul class="users">
#foreach($users as $user)
<li class="user" id="{{ $user->id }}">
{{--will show unread count notification--}}
#if($user->unread)
<span class="pending">{{ $user->unread }}</span>
#endif
<div class="media">
<div class="media-left">
<img src="{{ URL::asset('storage/uploads/vendor/'.$user->image) }}" alt="" class="media-object">
</div>
<div class="media-body">
<p class="name">{{ $user->name }}</p>
<p class="email">{{ $user->email }}</p>
#if ($user->isOnline())
<li class="text-success">Online</li>
#else
<li class="text-muted">Offline</li>
#endif
</div>
</div>
</li>
#endforeach
</ul>
my controller file is
<?PHP
namespace App\Http\Controllers;
use App\Message;
use App\User;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\DB;
use Pusher\Pusher;
class ChatsController extends Controller
{
public function __construct()
{
$this->middleware('auth');
}
/**
* Display a listing of the resource.
*
* #return \Illuminate\Http\Response
*/
public function index()
{
$users = DB::select("select users.id, users.name, users.image, users.email, count(is_read) as unread
from users LEFT JOIN messages ON users.id = messages.from and is_read = 0 and messages.to = " . Auth::id() . "
where users.id != " . Auth::id() . "
group by users.id, users.name, users.image, users.email");
return view('admin.chat', ['users' => $users]);
}
}
please help me. Thanks in advance

Answer 1

$users = DB::select("select users.id, users.name, users. ....
the $users will not hold a collection of user but a collection of std class ...
to hold a collection of users you should get the result using User Model ...
something like:
$users = User::selectRaw("users.id, users.name, users.image, users.email, count(is_read) as unread"
)->leftJoin('messages', 'users.id', 'messages.from')
->where('is_read', 0)->where('messages.to', Auth::id())
->where('users.id', '!=', Auth::id())
->groupBy(['users.id', 'users.name', 'users.image', 'users.email'])->get();