function approvefile($id){
        $allowed = array(0);
        auth_redirect($allowed);
        $current_user               = get_current_login();
        $login_type                 = get_login_type();

        $datetime       = date('Y-m-d H:i:s');
        $con['id'] = $id;
        $file = $this->model_member->get_data('files',$con);

        if ( $login_type != 0 ){
            // Set JSON data
            $data = array(
                'message'   => 'error',
                'data'      => '<button class="close" data-close="alert"></button>Hanya admin yang dapat melakukan aksi ini.',
            );
            die(json_encode($data));
        }
        if ( !$file ){
            // Set JSON data
            $data = array(
                'message'   => 'error',
                'data'      => '<button class="close" data-close="alert"></button>Data file tidak ditemukan.',
            );
            die(json_encode($data));
        }

        if ( $file->status == 2 ){
            // Set JSON data
            $data = array(
                'message'   => 'error',
                'data'      => '<button class="close" data-close="alert"></button>File ini sudah disetujui.',
            );
            die(json_encode($data));
        }

        $data_update = array (
            'status'        => 2,
            'datemodified'  => $datetime
        );

        if ($this->model_member->update_data('files',$con,$data_update)) {
            update_register_document_upload_status($file->id_registration);
            // Set JSON data
            $data = array(
                'message'   => 'success',
                'data'      => '<button class="close" data-close="alert"></button>Status file berhasil diubah menjadi "diterima".',
                'status'    => '<center><span class="label label-sm label-success">Diterima</span></center>',
            );
            die(json_encode($data));
        } else {
            // Set JSON data
            $data = array(
                'message'   => 'error',
                'data'      => '<button class="close" data-close="alert"></button>Ubah status file gagal.',
            );
            die(json_encode($data));
        }
    }