public function scopeReviewers($query)
{
$reviewer_role_id = Role::whereName('Reviewer')->first()->id;
$admin_role_id = Role::whereName('Admin')->first()->id;
return $query->where(function ($q) use($reviewer_role_id, $admin_role_id) {
$q->whereRoleId($reviewer_role_id)->orWhere('role_id', '=', $admin_role_id);
})->where('id', '<>', Auth::user()->id)->get();
}
