76 lines
2.3 KiB
PHP
76 lines
2.3 KiB
PHP
<?php
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/**
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* Downgrades
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*
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* @package easy-digital-downloads
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* @copyright Copyright (c) 2021, Sandhills Development, LLC
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* @license GPL2+
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* @since 2.11
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*/
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/**
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* Checks if the current site has downgraded, and if so, performs any necessary actions.
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*
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* @since 2.11
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* @return bool Whether or not a downgrade was performed.
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*/
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function edd_do_downgrade() {
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$did_downgrade = false;
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$edd_version = preg_replace( '/[^0-9.].*/', '', get_option( 'edd_version' ) );
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$downgraded_from = get_option( 'edd_version_downgraded_from' );
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/**
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* Check for downgrade from 3.0 to 2.11.
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*/
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if ( version_compare( EDD_VERSION, '3.0-beta1', '<' ) ) {
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if (
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version_compare( $edd_version, '3.0-beta1', '>=' ) ||
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( $downgraded_from && version_compare( $downgraded_from, '3.0-beta1', '>=' ) )
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) {
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/*
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* This site probably just downgraded from EDD 3.0. Let's perform a downgrade.
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*/
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$did_downgrade = edd_maybe_downgrade_from_v3();
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}
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}
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if ( $did_downgrade ) {
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update_option( 'edd_version', preg_replace( '/[^0-9.].*/', '', EDD_VERSION ) );
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delete_option( 'edd_version_downgraded_from' );
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}
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return $did_downgrade;
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}
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add_action( 'admin_init', 'edd_do_downgrade' );
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/**
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* Performs a database downgrade from EDD 3.0 to 2.11 if one is needed.
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* The main operation here is changing the customer meta column from `edd_customer_id` (v3.0 version)
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* back to `customer_id` for v2.x.
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*
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* @since 2.11
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* @return bool Whether the downgrade was performed.
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*/
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function edd_maybe_downgrade_from_v3() {
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global $wpdb;
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$customer_meta_table = EDD()->customer_meta->table_name;
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// If there is no column called `edd_customer_id`, then we don't need to downgrade.
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$columns = $wpdb->query( "SHOW COLUMNS FROM {$customer_meta_table} LIKE 'edd_customer_id'");
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if ( empty( $columns ) ) {
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return false;
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}
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$wpdb->query( "ALTER TABLE {$customer_meta_table} CHANGE `edd_customer_id` `customer_id` bigint(20) unsigned NOT NULL default '0'" );
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$wpdb->query( "ALTER TABLE {$customer_meta_table} DROP INDEX edd_customer_id" );
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$wpdb->query( "ALTER TABLE {$customer_meta_table} ADD INDEX customer_id (customer_id)" );
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// These two calls re-add the table version numbers for us.
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EDD()->customer_meta->create_table();
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EDD()->customers->create_table();
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edd_debug_log( 'Completed downgrade from EDD 3.0.', true );
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return true;
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}
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