Laravel Livewire real time chat app part 6

 

App/Http/Livewire

Messages.php

<?php

namespace App\Http\Livewire;
use App\Models\Message;
use Livewire\Component;
use App\Models\User;
class Messages extends Component
{
    public $message;
    public $allmessages;
    public $sender;
    public function render()
    {
        $users=User::all();
        $sender=$this->sender;
        $this->allmessages;
        return view('livewire.messages',compact('users','sender'));
    }
    public function mountdata()
    {
        if(isset($this->sender->id))
        {
              $this->allmessages=Message::where('user_id',auth()->id())->where('receiver_id',$this->sender->id)->orWhere('user_id',$this->sender->id)->where('receiver_id',auth()->id())->orderBy('id','desc')->get();

               $not_seen= Message::where('user_id',$this->sender->id)->where('receiver_id',auth()->id());
               $not_seen->update(['is_seen'=> true]);
        }

    }
    public function resetForm()
    {
        $this->message='';
    }

    public function SendMessage()
    {
        $data=new Message;
        $data->message=$this->message;
        $data->user_id=auth()->id();
        $data->receiver_id=$this->sender->id;
        $data->save();

        $this->resetForm();


    }
    public function getUser($userId)
    {
       $user=User::find($userId);
       $this->sender=$user;
       $this->allmessages=Message::where('user_id',auth()->id())->where('receiver_id',$userId)->orWhere('user_id',$userId)->where('receiver_id',auth()->id())->orderBy('id','desc')->get();
    }

}

views

livewire/messages.blade.php

<div>
    <div class="container">
    <div class="row justify-content-center">
      
            <div class="col-md-4">
                <div class="card">
                    <div class="card-header">
                        Users
                    </div>
                    <div class="card-body chatbox p-0">
                        <ul class="list-group list-group-flush">
                          @foreach($users as $user)

                          @if($user->id !== auth()->id())
                          @php
                              $not_seen= App\Models\Message::where('user_id',$user->id)->where('receiver_id',auth()->id())->where('is_seen',false)->get() ?? null

                          @endphp
                                <a wire:click="getUser({{$user->id}})"  class="text-dark link">
                                    <li class="list-group-item">
                                        <img class="img-fluid avatar" src="https://cdn.pixabay.com/photo/2017/06/13/12/53/profile-2398782_1280.png">
                                        @if($user->is_online==true)

                                         <i class="fa fa-circle text-success online-icon">
                                            @endif
                                             
                                         </i> {{$user->name}}
                                       @if(filled($not_seen))
                                            <div class="badge badge-success rounded"> {{ $not_seen->count()}} </div>
                                            @endif
                                    </li>
                                </a>
                                @endif
                          @endforeach
                        </ul>
                    </div>
                </div>
            </div>
 
        <div class="col-md-8">
            <div class="card">
                <div class="card-header">
                     @if(isset($sender)) {{$sender->name}}   @endif
                </div>
                <div class="card-body message-box" wire:poll="mountdata">
                   @if(filled($allmessages))
                     @foreach($allmessages as $mgs)
                            <div class="single-message @if($mgs->user_id == auth()->id()) sent @else received @endif">
                                <p class="font-weight-bolder my-0">{{$mgs->user->name}}</p>
                              {{ $mgs->message}}
                                <br><small class="text-muted w-100">Sent <em>{{$mgs->created_at}}</em></small>
                            </div>

                            @endforeach
                            @endif
                        
                </div>
                 
                <div class="card-footer">
                    <form wire:submit.prevent="SendMessage">
                        <div class="row">
                            <div class="col-md-8">
                                <input wire:model="message" class="form-control input shadow-none w-100 d-inline-block" placeholder="Type a message" required>
                            </div>

                            <div class="col-md-4">
                                <button type="submit" class="btn btn-primary d-inline-block w-100"><i class="far fa-paper-plane"></i> Send</button>
                            </div>
                        </div>
                    </form>
                </div>
             
            </div>
        </div>
    </div>
</div>
</div>

Middleware/OnlineMiddleware.php

<?php

namespace App\Http\Middleware;

use Closure;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Cache;
use App\Models\User;
use Illuminate\Support\Facades\Session;

class OnlineMiddleware
{
    /**
     * Handle an incoming request.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Closure  $next
     * @return mixed
     */
    public function handle(Request $request, Closure $next)
    {
       $users_to_offline = User::where('last_activity', '<', now());
        $users_to_online = User::where('last_activity', '>=', now());
        if (isset($users_to_offline)) {
            $users_to_offline->update(['is_online' => false]);
        }if (isset($users_to_online)) {
            $users_to_online->update(['is_online' => true]);
        }
        if (auth()->check()) {
            $cache_value = Cache::put('user-is-online', auth()->id(), \Carbon\Carbon::now()->addMinutes(1));
            $user = User::find(Cache::get('user-is-online'));
            $user->last_activity = now()->addMinutes(1);
            $user->is_online = true;
            $user->save();
        } elseif(!auth()->check() and filled(Cache::get('user-is-online'))) {
            $user = User::find(Cache::get('user-is-online'));
            if (isset($user)) {
                $user->is_online = false;
                $user->save();
            }
        }
        return $next($request);
    }
}

App/Http/Kernel.php

'web' => [

 \App\Http\Middleware\OnlineMiddleware::class,

]