BP_Message_Export::process_data( $user,  $page, bool $email_address = false )

	function process_data( $user, $page, $email_address = false ) {

		if ( ! $user || is_wp_error( $user ) ) {
			return $this->response( array(), true );
		}

		$export_items = array();

		$data_items = $this->get_data( $user, $page );

		foreach ( $data_items['items'] as $item ) {

			$group_id    = "bp_messages";
			$group_label = __( 'Message Threads & Replies', 'buddyboss' );
			$item_id     = "{$this->exporter_name}-{$group_id}-{$item->id}";

			$permalink = bp_get_message_thread_view_link( $item->thread_id, $user->ID );

			// recipients
			$recipients = array();
			if ( ! is_array( $item->recipients ) ) {
				$item->recipients = array();
			}
			foreach ( $item->recipients as $r_user ) {
				if ( ! empty( $r_user ) ) {
					$name = $r_user->display_name;
					if ( empty( $r_user->display_name ) ) {
						$name = $r_user->user_login;
					}
					$recipients[] = $name;
				}
			}
			$recipients = implode( ", ", $recipients );

			$recipients = apply_filters( 'buddyboss_bp_gdpr_bp_message_item_recipients', $recipients, $item, $data_items );

			$data = array(
				array(
					'name' => __( 'Message Subject', 'buddyboss' ),
					'value' => $item->subject
				),
				array(
					'name' => __( 'Message Content', 'buddyboss' ),
					'value' => $item->message
				),
				array(
					'name' => __( 'Created Date (GMT)', 'buddyboss' ),
					'value' => $item->date_sent
				),
				array(
					'name' => __( 'Message Recipients', 'buddyboss' ),
					'value' => $recipients
				),
				array(
					'name' => __( 'Thread URL', 'buddyboss' ),
					'value' => $permalink
				),
			);

			$data = apply_filters( 'buddyboss_bp_gdpr_message_after_data_prepare', $data, $item, $data_items );

			$export_items[] = array(
				'group_id'    => $group_id,
				'group_label' => $group_label,
				'item_id'     => $item_id,
				'data'        => $data,
			);

		}

		$done = $data_items["total"] < $data_items["offset"];

		return $this->response( $export_items, $done );
	}