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Mini Shell
Mini Shell
<?php
/**
* Class Tribe__Tickets__Commerce__PayPal__Cart__Unmanaged
*
* Models a transitional, not managed, cart implementation; cart management functionality
* is offloaded to PayPal.
*
* @since 4.7.3
*/
class Tribe__Tickets__Commerce__PayPal__Cart__Unmanaged implements Tribe__Tickets__Commerce__PayPal__Cart__Interface {
/**
* @var string The invoice number for this cart.
*/
protected $invoice_number;
/**
* @var array|null The list of items, null if not retrieved from transient yet.
*/
protected $items = null;
/**
* {@inheritdoc}
*/
public function set_id( $id ) {
$this->invoice_number = $id;
}
/**
* {@inheritdoc}
*/
public function save() {
if ( empty( $this->invoice_number ) ) {
return;
}
if ( ! $this->has_items() ) {
$this->clear();
return;
}
set_transient( self::get_transient_name( $this->invoice_number ), $this->items, DAY_IN_SECONDS );
}
/**
* {@inheritdoc}
*/
public function get_items() {
if ( null !== $this->items ) {
return $this->items;
}
if ( ! $this->exists() ) {
return false;
}
$this->items = [];
$invoice_number = $this->read_invoice_number();
$items = get_transient( self::get_transient_name( $invoice_number ) );
if ( is_array( $items ) && ! empty( $items ) ) {
$this->items = $items;
}
return $this->items;
}
/**
* {@inheritdoc}
*/
public function clear() {
$invoice_number = $this->invoice_number;
if ( null === $invoice_number ) {
if ( ! $this->exists() ) {
return;
}
$invoice_number = $this->read_invoice_number();
}
delete_transient( self::get_transient_name( $this->invoice_number ) );
}
/**
* {@inheritdoc}
*/
public function exists( array $criteria = [] ) {
if ( null !== $this->invoice_number ) {
$invoice_number = $this->invoice_number;
} else {
$invoice_number = $this->read_invoice_number();
}
if ( false === $invoice_number ) {
return false;
}
return (bool) get_transient( self::get_transient_name( $invoice_number ) );
}
/**
* {@inheritdoc}
*/
public function has_items() {
$items = $this->get_items();
return count( $items );
}
/**
* {@inheritdoc}
*/
public function has_item( $item_id ) {
$items = $this->get_items();
return ! empty( $items[ $item_id ] ) ? (int) $items[ $item_id ]['quantity'] : false;
}
/**
* {@inheritdoc}
*/
public function add_item( $item_id, $quantity, array $extra_data = [] ) {
$current_quantity = $this->has_item( $item_id );
$new_quantity = (int) $quantity;
if ( 0 < $current_quantity ) {
$new_quantity += (int) $current_quantity;
}
$new_quantity = max( $new_quantity, 0 );
if ( 0 < $new_quantity ) {
$item = $extra_data;
$item['quantity'] = $new_quantity;
$this->items[ $item_id ] = $item;
} else {
$this->remove_item( $item_id );
}
}
/**
* {@inheritdoc}
*/
public function remove_item( $item_id, $quantity = null ) {
if ( null !== $quantity ) {
$this->add_item( $item_id, - abs( (int) $quantity ) );
return;
}
if ( $this->has_item( $item_id ) ) {
unset( $this->items[ $item_id ] );
}
}
/**
* Reads the invoice number from the invoice cookie.
*
* @since 4.7.3
*
* @return string|bool The invoice number or `false` if not found.
*
* @see Tribe__Tickets__Commerce__PayPal__Gateway::set_invoice_number()
*/
public function read_invoice_number() {
/** @var Tribe__Tickets__Commerce__PayPal__Gateway $gateway */
$gateway = tribe( 'tickets.commerce.paypal.gateway' );
return $gateway->get_invoice_number( false );
}
/**
* Returns the name of the transient used by the cart.
*
* @since 4.7.3
*
* @param string $invoice_number
*
* @return string
*/
public static function get_transient_name( $invoice_number ) {
return 'tpp_cart_' . md5( $invoice_number );
}
}
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