laipower/wp-content/plugins/easy-digital-downloads/includes/admin/upgrades/v3/class-remove-legacy-data.php

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<?php
/**
* 3.0 Data Migration - Remove Legacy Data.
*
* @subpackage Admin/Upgrades/v3
* @copyright Copyright (c) 2018, Easy Digital Downloads, LLC
* @license http://opensource.org/licenses/gpl-2.0.php GNU Public License
* @since 3.0
*/
namespace EDD\Admin\Upgrades\v3;
// Exit if accessed directly
defined( 'ABSPATH' ) || exit;
/**
* Remove_Legacy_Data Class.
*
* @since 3.0
*/
class Remove_Legacy_Data extends Base {
/**
* Sets the number of items to pull on each step.
*
* This is 50 in base, but we're cutting it in half here because we delete 25 from posts and 25 from comments
* on each step. Together combined that's 50.
*
* @since 3.0
* @var int
*/
public $per_step = 25;
/**
* Constructor.
*
* @param int $step Step.
*/
public function __construct( $step = 1 ) {
parent::__construct( $step );
$this->completed_message = __( 'Legacy data removed successfully.', 'easy-digital-downloads' );
$this->upgrade = 'v30_legacy_data_removed';
}
/**
* Retrieve the data pertaining to the current step and migrate as necessary.
*
* @since 3.0
*
* @return bool True if data was migrated, false otherwise.
*/
public function get_data() {
// Perform some database operations on the first step.
if ( 1 === $this->step ) {
// Drop customer `payment_ids` column. It's no longer needed.
$customer_table = edd_get_component_interface( 'customer', 'table' );
if ( $customer_table instanceof \EDD\Database\Tables\Customers ) {
if ( $customer_table->column_exists( 'payment_ids' ) ) {
$this->get_db()->query( "ALTER TABLE {$this->get_db()->edd_customers} DROP `payment_ids`" );
}
if ( $customer_table->column_exists( 'notes' ) ) {
$this->get_db()->query( "ALTER TABLE {$this->get_db()->edd_customers} DROP `notes`" );
}
}
// Delete unneeded meta.
$this->get_db()->query( $this->get_db()->prepare( "DELETE FROM {$this->get_db()->edd_customermeta} WHERE meta_key = %s", esc_sql( 'additional_email' ) ) );
$this->get_db()->query( $this->get_db()->prepare( "DELETE FROM {$this->get_db()->usermeta} WHERE meta_key = %s", esc_sql( '_edd_user_address' ) ) );
}
// First delete custom post types.
$results = $this->get_db()->get_col( $this->get_db()->prepare(
"SELECT id
FROM {$this->get_db()->posts}
WHERE post_type IN(%s, %s, %s)
ORDER BY id ASC
LIMIT %d",
esc_sql( 'edd_payment' ), esc_sql( 'edd_discount' ), esc_sql( 'edd_log' ), $this->per_step
), 0 );
$data_was_deleted = false;
if ( ! empty( $results ) ) {
foreach ( $results as $result ) {
wp_delete_post( $result, true );
}
$data_was_deleted = true;
}
// Then delete order notes, stored in comments.
$results = $this->get_db()->get_col( $this->get_db()->prepare(
"SELECT comment_ID
FROM {$this->get_db()->comments}
WHERE comment_type = %s
ORDER BY comment_ID ASC
LIMIT %d",
'edd_payment_note', $this->per_step
) );
if ( ! empty( $results ) ) {
foreach( $results as $result ) {
wp_delete_comment( $result, true );
}
$data_was_deleted = true;
}
return $data_was_deleted;
}
/**
* Calculate the percentage completed.
*
* Because we're *deleting* records as we go, this percentage will not be accurate because we don't track
* exactly how many we've deleted. So this percentage is really just best guess.
*
* @since 3.0
*
* @return float Percentage.
*/
public function get_percentage_complete() {
// Get post type total.
$total = $this->get_db()->get_var( $this->get_db()->prepare(
"SELECT COUNT(id) AS count
FROM {$this->get_db()->posts}
WHERE post_type IN(%s, %s, %s)",
esc_sql( 'edd_payment' ), esc_sql( 'edd_discount' ), esc_sql( 'edd_log' )
) );
if ( empty( $total ) ) {
$total = 0;
}
// Get order note total.
$order_note_total = $this->get_db()->get_var( $this->get_db()->prepare(
"SELECT COUNT(comment_ID) AS count
FROM {$this->get_db()->comments}
WHERE comment_type = %s",
'edd_payment_note'
) );
if ( empty( $order_note_total ) ) {
$order_note_total = 0;
}
// Combine the two.
$total += $order_note_total;
// Estimate how many we've already done to improve the percentage.
$number_done = $this->per_step * $this->step;
$total += $number_done;
$percentage = 100;
if ( $total > 0 ) {
$percentage = ( $number_done / $total ) * 100;
}
if ( $percentage > 100 ) {
$percentage = 100;
}
return $percentage;
}
}