Illuminate\Database\Eloquent\Builder::orWhereHas PHP Method

    public function orWhereHas($relation, Closure $callback, $operator = '>=', $count = 1)
    {
        return $this->has($relation, $operator, $count, 'or', $callback);
    }

 /**
  * Constrain the given users query by the provided permission.
  *
  * @param  \Illuminate\Database\Eloquent\Builder  $query
  * @param  string  $permission
  * @param  \Illuminate\Database\Eloquent\Model|string|null  $model
  * @return \Illuminate\Database\Eloquent\Builder
  */
 public function constrainUsers($query, $permission, $model = null)
 {
     return $query->where(function ($query) use($permission, $model) {
         $query->whereHas('permissions', $this->getPermissionConstraint($permission, $model));
         $query->orWhereHas('roles', $this->getRoleConstraint($permission, $model));
     });
 }