<?php if ( ! defined( 'ABSPATH' ) ) exit;

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/**

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* Class NF_Abstracts_Batch_Process

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*/

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class NF_Admin_Processes_ExpiredSubmissionCleanup extends NF_Abstracts_BatchProcess

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{

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protected $_slug = 'expired_submission_cleanup';

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protected $expired_subs = array();

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/**

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* Function to run any setup steps necessary to begin processing.

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*/

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public function startup()

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{

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// Retrieves the option that contains all of our expiration data.

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$expired_sub_option = get_option( 'nf_sub_expiration', array() );

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// Loop over our options and ...

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foreach( $expired_sub_option as $sub ) {

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/*

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* Separate our $option values into two positions

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* $option[ 0 ] = ( int ) form_id

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* $option[ 1 ] = ( int ) expiration time in days.

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*/

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$sub = explode( ',', $sub );

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$expired_subs = $this->get_expired_subs( $sub[ 0 ], $sub[ 1 ] );

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// Use the helper method to build an array of expired subs.

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$this->expired_subs = array_merge( $this->expired_subs, $expired_subs );

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}

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}

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/**

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* Function to run any setup steps necessary to begin processing for steps after the first.

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*

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* @since 3.4.0

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* @return void

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*/

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public function restart()

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{

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// Get our remaining submissions from record.

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$this->expired_subs = get_option( 'nf_expired_submissions', array() );

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}

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/**

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* Function to loop over the batch.

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*

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* @since 3.4.0

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* @return void

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*/

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public function process()

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{

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// For the first 250 in the array.

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for( $i = 0; $i < 250; $i++ ){

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// if we've already finished bail..

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if( empty( $this->expired_subs ) ) break;

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// Pop off a sub and delete it.

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$sub = array_pop( $this->expired_subs );

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wp_trash_post( $sub );

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}

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// If our subs array isn't empty...

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if( ! empty( $this->expired_subs ) ) {

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// Update nf_expired_submissions so that we can use it in our next step.

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update_option( 'nf_expired_submissions', $this->expired_subs );

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// End processing and move to the next step.

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$this->next_step();

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}

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// If we get here, then we're ready to end batch processing.

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$this->batch_complete();

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}

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/**

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* Function to cleanup any lingering temporary elements of a batch process after completion.

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*

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* @since 3.4.0

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* @return void

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*/

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public function cleanup()

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{

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delete_option( 'nf_expired_submissions' );

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}

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/**

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* Get Steps

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* Determines the amount of steps needed for the step processors.

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*

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* @since 3.4.0

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* @return int of the number of steps.

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*/

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public function get_steps()

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{

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// Convent our number from int to float

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$steps = count( $this->expired_subs );

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$steps = floatval( $steps );

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// Get the amount of steps and return.

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$steps = ceil( $steps / 250.0 );

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return $steps;

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}

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/**

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* Get Expired Subs

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* Gathers our expired subs puts them into an array and returns it.

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*

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* @param $form_id - ( int ) ID of the Form.

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* @param $expiration_time - ( int ) number of days the submissions

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* are set to expire in

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*

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* @return array of all the expired subs that were found.

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*/

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public function get_expired_subs( $form_id, $expiration_time )

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{

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// Create the that will house our expired subs.

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$expired_subs = array();

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// Create our deletion timestamp.

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$deletion_timestamp = time() - ( 24 * 60 * 60 * $expiration_time );

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// Get our subs and loop over them.

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$sub = Ninja_Forms()->form( $form_id )->get_subs();

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foreach( $sub as $sub_model ) {

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// Get the sub date and change it to a UNIX time stamp.

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$sub_timestamp = strtotime( $sub_model->get_sub_date( 'Y-m-d') );

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// Compare our timestamps and any expired subs to the array.

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if( $sub_timestamp <= $deletion_timestamp ) {

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$expired_subs[] = $sub_model->get_id();

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}

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}

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return $expired_subs;

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}

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}

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