Current File : /home/jalalj2hb/www/wp-content/plugins/ninja-forms/includes/Admin/Processes/DataCleanup.php
<?php if ( ! defined( 'ABSPATH' ) ) exit;
/**
* Class NF_Abstracts_Batch_Process
*/
class NF_Admin_Processes_DataCleanup extends NF_Abstracts_BatchProcess
{
private $response = array(
'batch_complete' => false
);
protected $delete = array();
/**
* Constructor
*/
public function __construct( $data = array() )
{
//Bail if we aren't in the admin.
if ( ! is_admin() )
return false;
// Run process.
$this->process();
}
/**
* Function to loop over the batch.
*/
public function process()
{
global $wpdb;
// If we've not already started the cleanup process...
if ( ! get_option( 'nf_doing_data_cleanup' ) ) {
// Run the startup process.
$this->startup();
} // Otherwise... (We've already run startup.)
else {
// Get our data.
$data = get_option( 'nf_data_cleanup_ids' );
$this->delete = explode( ',', $data );
}
// If our array isn't emtpy...
if ( ! empty( $this->delete ) ) {
// Fetch the last item on it.
$id = array_pop( $this->delete );
// Get a list of post IDs to delete.
$sql = "SELECT DISTINCT(`id`) FROM `" . $wpdb->prefix . "posts` WHERE `id` IN( SELECT DISTINCT(`post_id`) FROM `" . $wpdb->prefix . "postmeta` WHERE `meta_key` = '_form_id' AND `meta_value` = '" . $id . "' ) AND `post_type` = 'nf_sub' LIMIT 500";
$result = $wpdb->get_results( $sql, 'ARRAY_A' );
// If we got 500 or more results...
if ( 500 == count( $result ) ) {
// Put this id back in our array to run again.
array_push( $this->delete, $id );
}
// Convert our results to something we can use in a query.
array_walk( $result, array( $this, 'smush_results' ) );
$sub_sql = implode( ', ', $result );
// If we have something to query...
if ( '' != $sub_sql ) {
// Delete postmeta data.
$sql = "DELETE FROM `" . $wpdb->prefix . "postmeta` WHERE `post_id` IN(" . $sub_sql . ")";
$wpdb->query( $sql );
// Delete post data.
$sql = "DELETE FROM `" . $wpdb->prefix . "posts` WHERE `id` IN(" . $sub_sql . ")";
$wpdb->query( $sql );
}
}
// If our array isn't empty...
if ( ! empty( $this->delete ) ) {
// Determine how many steps we have left.
$this->response[ 'step_remaining' ] = count( $this->delete );
update_option( 'nf_data_cleanup_ids', implode( ',', $this->delete ) );
echo wp_json_encode( $this->response );
wp_die();
}
// Run our cleanup process.
$this->cleanup();
echo wp_json_encode( $this->response );
wp_die();
}
/**
* Function to run any setup steps necessary to begin processing.
*/
public function startup()
{
global $wpdb;
// Get a list of IDs from the forms table.
$sql = "SELECT DISTINCT(`id`) FROM `" . $wpdb->prefix . "nf3_forms`";
$forms = $wpdb->get_results( $sql, 'ARRAY_A' );
// Get a list of IDs from the Submissions data.
$sql = "SELECT DISTINCT(m.meta_value) AS id FROM `" . $wpdb->prefix . "postmeta` AS m LEFT JOIN `" . $wpdb->prefix . "posts` AS p on p.id = m.post_id WHERE m.meta_key = '_form_id' AND p.post_type = 'nf_sub'";
$sub_forms = $wpdb->get_results( $sql, 'ARRAY_A' );
// For each form ID in the submission records...
foreach( $sub_forms AS $form ) {
// If the form is not currently defined in our forms table...
if ( ! in_array( $form, $forms ) ) {
// Add it to our list of things to delete.
$this->delete[] = $form[ 'id' ];
}
}
// Get our number of steps for the progress bar.
$this->response[ 'step_total' ] = count( $this->delete );
// Flag startup done.
add_option( 'nf_doing_data_cleanup', 'true' );
}
/**
* Function to cleanup any lingering temporary elements of a batch process after completion.
*/
public function cleanup()
{
global $wpdb;
// Delete our options.
delete_option( 'nf_data_cleanup_ids' );
delete_option( 'nf_doing_data_cleanup' );
// Add our "finished" option.
add_option( 'ninja_forms_data_is_clean', 'true' );
// Tell our JS that we're done.
$this->response[ 'step_remaining' ] = 0;
$this->response[ 'batch_complete' ] = true;
}
/**
* Function to compress data array and eliminate unnecessary keys.
*/
public function smush_results( &$value, $key ) {
$value = $value[ 'id' ];
}
}
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