wp-pay-gateways / mollie

src/Upgrade300.php

<?php
/**
 * Upgrade 3.0.0
 *
 * @author    Pronamic <info@pronamic.eu>
 * @copyright 2005-2020 Pronamic
 * @license   GPL-3.0-or-later
 * @package   Pronamic\WordPress\Pay\Gateways\Mollie
 */

namespace Pronamic\WordPress\Pay\Gateways\Mollie;

use Pronamic\WordPress\Pay\Upgrades\Upgrade;

/**
 * Upgrade 3.0.0
 *
 * @author  Remco Tolsma
 * @version 3.0.0
 * @since   3.0.0
 */
class Upgrade300 extends Upgrade {
	/**
	 * Construct 3.0.0 upgrade.
	 */
	public function __construct() {
		parent::__construct( '3.0.0' );
	}

	/**
	 * Execute.
	 *
	 * @link https://github.com/WordPress/WordPress/blob/5.3/wp-includes/wp-db.php#L992-L1072
	 * @link https://github.com/WordPress/WordPress/blob/5.3/wp-admin/includes/schema.php#L25-L344
	 * @link https://developer.wordpress.org/reference/functions/dbdelta/
	 * @link https://github.com/wp-premium/gravityforms/blob/2.4.16/includes/class-gf-upgrade.php#L518-L531
	 * @throws \Exception Throws exception when database update query fails.
	 */
	public function execute() {
		global $wpdb;

		/**
		 * Requirements.
		 */
		require_once ABSPATH . 'wp-admin/includes/upgrade.php';

		/**
		 * Other.
		 */
		$charset_collate = $wpdb->get_charset_collate();

		/**
		 * Queries.
		 */
		$queries = "
			CREATE TABLE $wpdb->pronamic_pay_mollie_organizations (
				id BIGINT( 20 ) UNSIGNED NOT NULL AUTO_INCREMENT,
				mollie_id VARCHAR( 16 ) NOT NULL,
				name VARCHAR( 128 ) DEFAULT NULL,
				email VARCHAR( 100 ) DEFAULT NULL,
				PRIMARY KEY  ( id ),
				UNIQUE KEY mollie_id ( mollie_id )
			) $charset_collate;
			CREATE TABLE $wpdb->pronamic_pay_mollie_customers (
				id BIGINT( 20 ) UNSIGNED NOT NULL AUTO_INCREMENT,
				mollie_id VARCHAR( 16 ) NOT NULL,
				organization_id BIGINT( 20 ) UNSIGNED DEFAULT NULL,
				test_mode BOOL NOT NULL,
				email VARCHAR( 100 ) DEFAULT NULL,
				PRIMARY KEY  ( id ),
				UNIQUE KEY mollie_id ( mollie_id ),
				KEY organization_id ( organization_id ),
				KEY test_mode ( test_mode ),
				KEY email ( email )
			) $charset_collate;
			CREATE TABLE $wpdb->pronamic_pay_mollie_customer_users (
				id BIGINT( 20 ) UNSIGNED NOT NULL AUTO_INCREMENT,
				customer_id BIGINT( 20 ) UNSIGNED NOT NULL,
				user_id BIGINT( 20 ) UNSIGNED NOT NULL,
				PRIMARY KEY  ( id ),
				UNIQUE KEY customer_user ( customer_id, user_id )
			) $charset_collate;
		";

		/**
		 * Execute.
		 *
		 * @link https://developer.wordpress.org/reference/functions/dbdelta/
		 * @link https://github.com/WordPress/WordPress/blob/5.3/wp-admin/includes/upgrade.php#L2538-L2915
		 */
		\dbDelta( $queries );

		/**
		 * Foreign keys.
		 *
		 * @link https://core.trac.wordpress.org/ticket/19207
		 * @link https://dev.mysql.com/doc/refman/5.6/en/create-table-foreign-keys.html
		 */
		$data = array(
			(object) array(
				'table' => $wpdb->pronamic_pay_mollie_customers,
				'name'  => 'fk_customer_organization_id',
				'query' => "
					ALTER TABLE $wpdb->pronamic_pay_mollie_customers
					ADD CONSTRAINT fk_customer_organization_id
					FOREIGN KEY ( organization_id )
					REFERENCES $wpdb->pronamic_pay_mollie_organizations ( id )
					ON DELETE RESTRICT
					ON UPDATE RESTRICT
					;
				",
			),
			(object) array(
				'table' => $wpdb->pronamic_pay_mollie_customer_users,
				'name'  => 'fk_customer_id',
				'query' => "
					ALTER TABLE $wpdb->pronamic_pay_mollie_customer_users
					ADD CONSTRAINT fk_customer_id
					FOREIGN KEY customer_id ( customer_id )
					REFERENCES $wpdb->pronamic_pay_mollie_customers ( id )
					ON DELETE RESTRICT
					ON UPDATE RESTRICT
					;
				",
			),
			(object) array(
				'table' => $wpdb->pronamic_pay_mollie_customer_users,
				'name'  => 'fk_customer_user_id',
				'query' => "
					ALTER TABLE $wpdb->pronamic_pay_mollie_customer_users
					ADD CONSTRAINT fk_customer_user_id
					FOREIGN KEY user_id ( user_id )
					REFERENCES $wpdb->users ( id )
					ON DELETE CASCADE
					ON UPDATE CASCADE
					;
				",
			),
		);

		foreach ( $data as $item ) {
			/**
			 * Check if foreign key exists
			 *
			 * @link https://github.com/woocommerce/woocommerce/blob/3.9.0/includes/class-wc-install.php#L663-L681
			 */
			$result = $wpdb->get_var(
				$wpdb->prepare(
					"
				SELECT COUNT(*)
				FROM information_schema.TABLE_CONSTRAINTS
				WHERE CONSTRAINT_SCHEMA = %s
				AND CONSTRAINT_NAME = %s
				AND CONSTRAINT_TYPE = 'FOREIGN KEY'
				AND TABLE_NAME = %s
				",
					$wpdb->dbname,
					$item->name,
					$item->table
				)
			);

			if ( null === $result ) {
				throw new \Exception(
					\sprintf(
						'Could not count foreign keys: %s, database error: %s.',
						$$item->name,
						$wpdb->last_error
					)
				);
			}

			$number_constraints = \intval( $result );

			if ( 0 === $number_constraints ) {
				$result = $wpdb->query( $item->query );

				if ( false === $result ) {
					throw new \Exception(
						\sprintf(
							'Could not add foreign key: %s, database error: %s.',
							$item->name,
							$wpdb->last_error
						)
					);
				}
			}
		}

		/**
		 * Convert user meta.
		 */
		$this->convert_user_meta();
	}

	/**
	 * Convert user meta.
	 *
	 * @throws \Exception Throws exception when database update query fails.
	 */
	private function convert_user_meta() {
		global $wpdb;

		$query = "
			INSERT IGNORE INTO $wpdb->pronamic_pay_mollie_customers (
				mollie_id,
				test_mode
			)
			SELECT
				meta_value AS mollie_id,
				'_pronamic_pay_mollie_customer_id_test' = meta_key AS test_mode
			FROM
				$wpdb->usermeta
			WHERE
				meta_key IN (
					'_pronamic_pay_mollie_customer_id',
					'_pronamic_pay_mollie_customer_id_test'
				)
					AND
				meta_value != ''
			;
		";

		$result = $wpdb->query( $query );

		if ( false === $result ) {
			throw new Exception(

The type Pronamic\WordPress\Pay\Gateways\Mollie\Exception was not found. Did you mean Exception? If so, make sure to prefix the type with \.

				sprintf(
					'Could not convert user meta, database error: %s.',
					$wpdb->last_error
				)
			);
		}

		$query = "
			INSERT IGNORE INTO $wpdb->pronamic_pay_mollie_customer_users (
				customer_id,
				user_id
			)
			SELECT
				mollie_customer.id AS mollie_customer_id,
				wp_user.ID AS wp_user_id
			FROM
				$wpdb->pronamic_pay_mollie_customers AS mollie_customer
					INNER JOIN
				$wpdb->usermeta AS wp_user_meta
						ON wp_user_meta.meta_value = mollie_customer.mollie_id
					INNER JOIN
				$wpdb->users AS wp_user
						ON wp_user_meta.user_id = wp_user.ID
			WHERE
				wp_user_meta.meta_key IN (
					'_pronamic_pay_mollie_customer_id',
					'_pronamic_pay_mollie_customer_id_test'
				)
					AND
				wp_user_meta.meta_value != ''
			;
		";

		$result = $wpdb->query( $query );

		if ( false === $result ) {
			throw new Exception(
				sprintf(
					'Could not convert user meta, database error: %s.',
					$wpdb->last_error
				)
			);
		}
	}
}