/**
  * Bootstrap any application services.
  *
  * @return void
  */
 public function boot()
 {
     Like::creating(function ($attribute) {
         // -1 like_left for media
         $media = Media::findOrFail($attribute->media_id);
         $media->likes_left = $media->likes_left - 1;
         $media->save();
         // +1 credit for liker of media
         $user = User::findOrFail($attribute->user_id);
         if ($user->pro_user) {
             $user->credit = $user->credit + 3;
             //for pro user
         } else {
             $user->credit = $user->credit + 1;
         }
         $user->save();
     });
     Follow::creating(function ($attribute) {
         // -1 like_left for media
         $user = User::findOrFail($attribute->follow_id);
         $user->followers_left = $user->followers_left - 1;
         $user->save();
         // +1 credit for liker of media
         $user = User::findOrFail($attribute->user_id);
         if ($user->pro_user) {
             $user->credit = $user->credit + 3;
             //for pro user
         } else {
             $user->credit = $user->credit + 1;
         }
         $user->save();
     });
 }