class User extends Authenticatable
{
    use Notifiable, HasRoles, SoftDeletes;
    protected $guard_name = 'web';
    protected $fillable = [
        'username', 'password'
    ];
    protected $dates = ['deleted_at'];

}

$a = User::all();
dd($a);

|id|user_id|parent_id|

class Parent extends Model
{
    protected $table = 'parent';
    public function user()
    {
        return $this->belongsTo('AppUser');
    }

}


$getParent = Parent::with('user')->get();

public function user()
{
    return $this->belongsTo('AppUser')->whereNull('users.deleted_at');
}

public function groups()
{

    return $this
    ->belongsToMany('Group')
    ->whereNull('group_user.deleted_at') // Table `group_user` has column `deleted_at`
    ->withTimestamps(); // Table `group_user` has columns: `created_at`, `updated_at`

}

User::find(1)->groups()->detach();

DB::table('group_user')
->where('user_id', $user_id)
->where('group_id', $group_id)
->update(array('deleted_at' => DB::raw('NOW()')));

$trashedAndNotTrashed = Model::withTrashed()->get();

$onlySoftDeleted = Model::onlyTrashed()->get();