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<?php
/**
* Checkout functionality
*
* The Kkart checkout class handles the checkout process, collecting user data and processing the payment.
*
* @package Kkart\Classes
* @version 3.4.0
*/
defined( 'ABSPATH' ) || exit;
/**
* Checkout class.
*/
class KKART_Checkout {
/**
* The single instance of the class.
*
* @var KKART_Checkout|null
*/
protected static $instance = null;
/**
* Checkout fields are stored here.
*
* @var array|null
*/
protected $fields = null;
/**
* Holds posted data for backwards compatibility.
*
* @var array
*/
protected $legacy_posted_data = array();
/**
* Caches customer object. @see get_value.
*
* @var KKART_Customer
*/
private $logged_in_customer = null;
/**
* Gets the main KKART_Checkout Instance.
*
* @since 2.1
* @static
* @return KKART_Checkout Main instance
*/
public static function instance() {
if ( is_null( self::$instance ) ) {
self::$instance = new self();
// Hook in actions once.
add_action( 'kkart_checkout_billing', array( self::$instance, 'checkout_form_billing' ) );
add_action( 'kkart_checkout_shipping', array( self::$instance, 'checkout_form_shipping' ) );
// kkart_checkout_init action is ran once when the class is first constructed.
do_action( 'kkart_checkout_init', self::$instance );
}
return self::$instance;
}
/**
* See if variable is set. Used to support legacy public variables which are no longer defined.
*
* @param string $key Key.
* @return bool
*/
public function __isset( $key ) {
return in_array(
$key,
array(
'enable_signup',
'enable_guest_checkout',
'must_create_account',
'checkout_fields',
'posted',
'shipping_method',
'payment_method',
'customer_id',
'shipping_methods',
),
true
);
}
/**
* Sets the legacy public variables for backwards compatibility.
*
* @param string $key Key.
* @param mixed $value Value.
*/
public function __set( $key, $value ) {
switch ( $key ) {
case 'enable_signup':
$bool_value = kkart_string_to_bool( $value );
if ( $bool_value !== $this->is_registration_enabled() ) {
remove_filter( 'kkart_checkout_registration_enabled', '__return_true', 0 );
remove_filter( 'kkart_checkout_registration_enabled', '__return_false', 0 );
add_filter( 'kkart_checkout_registration_enabled', $bool_value ? '__return_true' : '__return_false', 0 );
}
break;
case 'enable_guest_checkout':
$bool_value = kkart_string_to_bool( $value );
if ( $bool_value === $this->is_registration_required() ) {
remove_filter( 'kkart_checkout_registration_required', '__return_true', 0 );
remove_filter( 'kkart_checkout_registration_required', '__return_false', 0 );
add_filter( 'kkart_checkout_registration_required', $bool_value ? '__return_false' : '__return_true', 0 );
}
break;
case 'checkout_fields':
$this->fields = $value;
break;
case 'shipping_methods':
KKART()->session->set( 'chosen_shipping_methods', $value );
break;
case 'posted':
$this->legacy_posted_data = $value;
break;
}
}
/**
* Gets the legacy public variables for backwards compatibility.
*
* @param string $key Key.
* @return array|string
*/
public function __get( $key ) {
if ( in_array( $key, array( 'posted', 'shipping_method', 'payment_method' ), true ) && empty( $this->legacy_posted_data ) ) {
$this->legacy_posted_data = $this->get_posted_data();
}
switch ( $key ) {
case 'enable_signup':
return $this->is_registration_enabled();
case 'enable_guest_checkout':
return ! $this->is_registration_required();
case 'must_create_account':
return $this->is_registration_required() && ! is_user_logged_in();
case 'checkout_fields':
return $this->get_checkout_fields();
case 'posted':
kkart_doing_it_wrong( 'KKART_Checkout->posted', 'Use $_POST directly.', '3.0.0' );
return $this->legacy_posted_data;
case 'shipping_method':
return $this->legacy_posted_data['shipping_method'];
case 'payment_method':
return $this->legacy_posted_data['payment_method'];
case 'customer_id':
return apply_filters( 'kkart_checkout_customer_id', get_current_user_id() );
case 'shipping_methods':
return (array) KKART()->session->get( 'chosen_shipping_methods' );
}
}
/**
* Cloning is forbidden.
*/
public function __clone() {
kkart_doing_it_wrong( __FUNCTION__, __( 'Cloning is forbidden.', 'kkart' ), '2.1' );
}
/**
* Unserializing instances of this class is forbidden.
*/
public function __wakeup() {
kkart_doing_it_wrong( __FUNCTION__, __( 'Unserializing instances of this class is forbidden.', 'kkart' ), '2.1' );
}
/**
* Is registration required to checkout?
*
* @since 3.0.0
* @return boolean
*/
public function is_registration_required() {
return apply_filters( 'kkart_checkout_registration_required', 'yes' !== get_option( 'kkart_enable_guest_checkout' ) );
}
/**
* Is registration enabled on the checkout page?
*
* @since 3.0.0
* @return boolean
*/
public function is_registration_enabled() {
return apply_filters( 'kkart_checkout_registration_enabled', 'yes' === get_option( 'kkart_enable_signup_and_login_from_checkout' ) );
}
/**
* Get an array of checkout fields.
*
* @param string $fieldset to get.
* @return array
*/
public function get_checkout_fields( $fieldset = '' ) {
if ( ! is_null( $this->fields ) ) {
return $fieldset ? $this->fields[ $fieldset ] : $this->fields;
}
// Fields are based on billing/shipping country. Grab those values but ensure they are valid for the store before using.
$billing_country = $this->get_value( 'billing_country' );
$billing_country = empty( $billing_country ) ? KKART()->countries->get_base_country() : $billing_country;
$allowed_countries = KKART()->countries->get_allowed_countries();
if ( ! array_key_exists( $billing_country, $allowed_countries ) ) {
$billing_country = current( array_keys( $allowed_countries ) );
}
$shipping_country = $this->get_value( 'shipping_country' );
$shipping_country = empty( $shipping_country ) ? KKART()->countries->get_base_country() : $shipping_country;
$allowed_countries = KKART()->countries->get_shipping_countries();
if ( ! array_key_exists( $shipping_country, $allowed_countries ) ) {
$shipping_country = current( array_keys( $allowed_countries ) );
}
$this->fields = array(
'billing' => KKART()->countries->get_address_fields(
$billing_country,
'billing_'
),
'shipping' => KKART()->countries->get_address_fields(
$shipping_country,
'shipping_'
),
'account' => array(),
'order' => array(
'order_comments' => array(
'type' => 'textarea',
'class' => array( 'notes' ),
'label' => __( 'Order notes', 'kkart' ),
'placeholder' => esc_attr__(
'Notes about your order, e.g. special notes for delivery.',
'kkart'
),
),
),
);
if ( 'no' === get_option( 'kkart_registration_generate_username' ) ) {
$this->fields['account']['account_username'] = array(
'type' => 'text',
'label' => __( 'Account username', 'kkart' ),
'required' => true,
'placeholder' => esc_attr__( 'Username', 'kkart' ),
);
}
if ( 'no' === get_option( 'kkart_registration_generate_password' ) ) {
$this->fields['account']['account_password'] = array(
'type' => 'password',
'label' => __( 'Create account password', 'kkart' ),
'required' => true,
'placeholder' => esc_attr__( 'Password', 'kkart' ),
);
}
$this->fields = apply_filters( 'kkart_checkout_fields', $this->fields );
foreach ( $this->fields as $field_type => $fields ) {
// Sort each of the checkout field sections based on priority.
uasort( $this->fields[ $field_type ], 'kkart_checkout_fields_uasort_comparison' );
// Add accessibility labels to fields that have placeholders.
foreach ( $fields as $single_field_type => $field ) {
if ( empty( $field['label'] ) && ! empty( $field['placeholder'] ) ) {
$this->fields[ $field_type ][ $single_field_type ]['label'] = $field['placeholder'];
$this->fields[ $field_type ][ $single_field_type ]['label_class'] = array( 'screen-reader-text' );
}
}
}
return $fieldset ? $this->fields[ $fieldset ] : $this->fields;
}
/**
* When we process the checkout, lets ensure cart items are rechecked to prevent checkout.
*/
public function check_cart_items() {
do_action( 'kkart_check_cart_items' );
}
/**
* Output the billing form.
*/
public function checkout_form_billing() {
//kkart_get_template( 'checkout/form-billing.php', array( 'checkout' => $this ) );
echo kkart_checkout_billing();
}
/**
* Output the shipping form.
*/
public function checkout_form_shipping() {
//kkart_get_template( 'checkout/form-shipping.php', array( 'checkout' => $this ) );
echo kkart_checkout_shipping();
}
/**
* Create an order. Error codes:
* 520 - Cannot insert order into the database.
* 521 - Cannot get order after creation.
* 522 - Cannot update order.
* 525 - Cannot create line item.
* 526 - Cannot create fee item.
* 527 - Cannot create shipping item.
* 528 - Cannot create tax item.
* 529 - Cannot create coupon item.
*
* @throws Exception When checkout validation fails.
* @param array $data Posted data.
* @return int|WP_ERROR
*/
public function create_order( $data ) {
// Give plugins the opportunity to create an order themselves.
$order_id = apply_filters( 'kkart_create_order', null, $this );
if ( $order_id ) {
return $order_id;
}
try {
$order_id = absint( KKART()->session->get( 'order_awaiting_payment' ) );
$cart_hash = KKART()->cart->get_cart_hash();
$available_gateways = KKART()->payment_gateways->get_available_payment_gateways();
$order = $order_id ? kkart_get_order( $order_id ) : null;
/**
* If there is an order pending payment, we can resume it here so
* long as it has not changed. If the order has changed, i.e.
* different items or cost, create a new order. We use a hash to
* detect changes which is based on cart items + order total.
*/
if ( $order && $order->has_cart_hash( $cart_hash ) && $order->has_status( array( 'pending', 'failed' ) ) ) {
// Action for 3rd parties.
do_action( 'kkart_resume_order', $order_id );
// Remove all items - we will re-add them later.
$order->remove_order_items();
} else {
$order = new KKART_Order();
}
$fields_prefix = array(
'shipping' => true,
'billing' => true,
);
$shipping_fields = array(
'shipping_method' => true,
'shipping_total' => true,
'shipping_tax' => true,
);
foreach ( $data as $key => $value ) {
if ( is_callable( array( $order, "set_{$key}" ) ) ) {
$order->{"set_{$key}"}( $value );
// Store custom fields prefixed with wither shipping_ or billing_. This is for backwards compatibility with 2.6.x.
} elseif ( isset( $fields_prefix[ current( explode( '_', $key ) ) ] ) ) {
if ( ! isset( $shipping_fields[ $key ] ) ) {
$order->update_meta_data( '_' . $key, $value );
}
}
}
$order->hold_applied_coupons( $data['billing_email'] );
$order->set_created_via( 'checkout' );
$order->set_cart_hash( $cart_hash );
$order->set_customer_id( apply_filters( 'kkart_checkout_customer_id', get_current_user_id() ) );
$order->set_currency( get_kkart_currency() );
$order->set_prices_include_tax( 'yes' === get_option( 'kkart_prices_include_tax' ) );
$order->set_customer_ip_address( KKART_Geolocation::get_ip_address() );
$order->set_customer_user_agent( kkart_get_user_agent() );
$order->set_customer_note( isset( $data['order_comments'] ) ? $data['order_comments'] : '' );
$order->set_payment_method( isset( $available_gateways[ $data['payment_method'] ] ) ? $available_gateways[ $data['payment_method'] ] : $data['payment_method'] );
$this->set_data_from_cart( $order );
/**
* Action hook to adjust order before save.
*
* @since 3.0.0
*/
do_action( 'kkart_checkout_create_order', $order, $data );
// Save the order.
$order_id = $order->save();
/**
* Action hook fired after an order is created used to add custom meta to the order.
*
* @since 3.0.0
*/
do_action( 'kkart_checkout_update_order_meta', $order_id, $data );
/**
* Action hook fired after an order is created.
*
* @since 4.3.0
*/
do_action( 'kkart_checkout_order_created', $order );
return $order_id;
} catch ( Exception $e ) {
if ( $order && $order instanceof KKART_Order ) {
$order->get_data_store()->release_held_coupons( $order );
/**
* Action hook fired when an order is discarded due to Exception.
*
* @since 4.3.0
*/
do_action( 'kkart_checkout_order_exception', $order );
}
return new WP_Error( 'checkout-error', $e->getMessage() );
}
}
/**
* Copy line items, tax, totals data from cart to order.
*
* @param KKART_Order $order Order object.
*
* @throws Exception When unable to create order.
*/
public function set_data_from_cart( &$order ) {
$order_vat_exempt = KKART()->cart->get_customer()->get_is_vat_exempt() ? 'yes' : 'no';
$order->add_meta_data( 'is_vat_exempt', $order_vat_exempt, true );
$order->set_shipping_total( KKART()->cart->get_shipping_total() );
$order->set_discount_total( KKART()->cart->get_discount_total() );
$order->set_discount_tax( KKART()->cart->get_discount_tax() );
$order->set_cart_tax( KKART()->cart->get_cart_contents_tax() + KKART()->cart->get_fee_tax() );
$order->set_shipping_tax( KKART()->cart->get_shipping_tax() );
$order->set_total( KKART()->cart->get_total( 'edit' ) );
$this->create_order_line_items( $order, KKART()->cart );
$this->create_order_fee_lines( $order, KKART()->cart );
$this->create_order_shipping_lines( $order, KKART()->session->get( 'chosen_shipping_methods' ), KKART()->shipping()->get_packages() );
$this->create_order_tax_lines( $order, KKART()->cart );
$this->create_order_coupon_lines( $order, KKART()->cart );
}
/**
* Add line items to the order.
*
* @param KKART_Order $order Order instance.
* @param KKART_Cart $cart Cart instance.
*/
public function create_order_line_items( &$order, $cart ) {
foreach ( $cart->get_cart() as $cart_item_key => $values ) {
/**
* Filter hook to get initial item object.
*
* @since 3.1.0
*/
$item = apply_filters( 'kkart_checkout_create_order_line_item_object', new KKART_Order_Item_Product(), $cart_item_key, $values, $order );
$product = $values['data'];
$item->legacy_values = $values; // @deprecated 4.4.0 For legacy actions.
$item->legacy_cart_item_key = $cart_item_key; // @deprecated 4.4.0 For legacy actions.
$item->set_props(
array(
'quantity' => $values['quantity'],
'variation' => $values['variation'],
'subtotal' => $values['line_subtotal'],
'total' => $values['line_total'],
'subtotal_tax' => $values['line_subtotal_tax'],
'total_tax' => $values['line_tax'],
'taxes' => $values['line_tax_data'],
)
);
if ( $product ) {
$item->set_props(
array(
'name' => $product->get_name(),
'tax_class' => $product->get_tax_class(),
'product_id' => $product->is_type( 'variation' ) ? $product->get_parent_id() : $product->get_id(),
'variation_id' => $product->is_type( 'variation' ) ? $product->get_id() : 0,
)
);
}
$item->set_backorder_meta();
/**
* Action hook to adjust item before save.
*
* @since 3.0.0
*/
do_action( 'kkart_checkout_create_order_line_item', $item, $cart_item_key, $values, $order );
// Add item to order and save.
$order->add_item( $item );
}
}
/**
* Add fees to the order.
*
* @param KKART_Order $order Order instance.
* @param KKART_Cart $cart Cart instance.
*/
public function create_order_fee_lines( &$order, $cart ) {
foreach ( $cart->get_fees() as $fee_key => $fee ) {
$item = new KKART_Order_Item_Fee();
$item->legacy_fee = $fee; // @deprecated 4.4.0 For legacy actions.
$item->legacy_fee_key = $fee_key; // @deprecated 4.4.0 For legacy actions.
$item->set_props(
array(
'name' => $fee->name,
'tax_class' => $fee->taxable ? $fee->tax_class : 0,
'amount' => $fee->amount,
'total' => $fee->total,
'total_tax' => $fee->tax,
'taxes' => array(
'total' => $fee->tax_data,
),
)
);
/**
* Action hook to adjust item before save.
*
* @since 3.0.0
*/
do_action( 'kkart_checkout_create_order_fee_item', $item, $fee_key, $fee, $order );
// Add item to order and save.
$order->add_item( $item );
}
}
/**
* Add shipping lines to the order.
*
* @param KKART_Order $order Order Instance.
* @param array $chosen_shipping_methods Chosen shipping methods.
* @param array $packages Packages.
*/
public function create_order_shipping_lines( &$order, $chosen_shipping_methods, $packages ) {
foreach ( $packages as $package_key => $package ) {
if ( isset( $chosen_shipping_methods[ $package_key ], $package['rates'][ $chosen_shipping_methods[ $package_key ] ] ) ) {
$shipping_rate = $package['rates'][ $chosen_shipping_methods[ $package_key ] ];
$item = new KKART_Order_Item_Shipping();
$item->legacy_package_key = $package_key; // @deprecated 4.4.0 For legacy actions.
$item->set_props(
array(
'method_title' => $shipping_rate->label,
'method_id' => $shipping_rate->method_id,
'instance_id' => $shipping_rate->instance_id,
'total' => kkart_format_decimal( $shipping_rate->cost ),
'taxes' => array(
'total' => $shipping_rate->taxes,
),
)
);
foreach ( $shipping_rate->get_meta_data() as $key => $value ) {
$item->add_meta_data( $key, $value, true );
}
/**
* Action hook to adjust item before save.
*
* @since 3.0.0
*/
do_action( 'kkart_checkout_create_order_shipping_item', $item, $package_key, $package, $order );
// Add item to order and save.
$order->add_item( $item );
}
}
}
/**
* Add tax lines to the order.
*
* @param KKART_Order $order Order instance.
* @param KKART_Cart $cart Cart instance.
*/
public function create_order_tax_lines( &$order, $cart ) {
foreach ( array_keys( $cart->get_cart_contents_taxes() + $cart->get_shipping_taxes() + $cart->get_fee_taxes() ) as $tax_rate_id ) {
if ( $tax_rate_id && apply_filters( 'kkart_cart_remove_taxes_zero_rate_id', 'zero-rated' ) !== $tax_rate_id ) {
$item = new KKART_Order_Item_Tax();
$item->set_props(
array(
'rate_id' => $tax_rate_id,
'tax_total' => $cart->get_tax_amount( $tax_rate_id ),
'shipping_tax_total' => $cart->get_shipping_tax_amount( $tax_rate_id ),
'rate_code' => KKART_Tax::get_rate_code( $tax_rate_id ),
'label' => KKART_Tax::get_rate_label( $tax_rate_id ),
'compound' => KKART_Tax::is_compound( $tax_rate_id ),
'rate_percent' => KKART_Tax::get_rate_percent_value( $tax_rate_id ),
)
);
/**
* Action hook to adjust item before save.
*
* @since 3.0.0
*/
do_action( 'kkart_checkout_create_order_tax_item', $item, $tax_rate_id, $order );
// Add item to order and save.
$order->add_item( $item );
}
}
}
/**
* Add coupon lines to the order.
*
* @param KKART_Order $order Order instance.
* @param KKART_Cart $cart Cart instance.
*/
public function create_order_coupon_lines( &$order, $cart ) {
foreach ( $cart->get_coupons() as $code => $coupon ) {
$item = new KKART_Order_Item_Coupon();
$item->set_props(
array(
'code' => $code,
'discount' => $cart->get_coupon_discount_amount( $code ),
'discount_tax' => $cart->get_coupon_discount_tax_amount( $code ),
)
);
// Avoid storing used_by - it's not needed and can get large.
$coupon_data = $coupon->get_data();
unset( $coupon_data['used_by'] );
$item->add_meta_data( 'coupon_data', $coupon_data );
/**
* Action hook to adjust item before save.
*
* @since 3.0.0
*/
do_action( 'kkart_checkout_create_order_coupon_item', $item, $code, $coupon, $order );
// Add item to order and save.
$order->add_item( $item );
}
}
/**
* See if a fieldset should be skipped.
*
* @since 3.0.0
* @param string $fieldset_key Fieldset key.
* @param array $data Posted data.
* @return bool
*/
protected function maybe_skip_fieldset( $fieldset_key, $data ) {
if ( 'shipping' === $fieldset_key && ( $data['ship_to_different_address'] || ! KKART()->cart->needs_shipping_address() ) ) {
return true;
}
if ( 'account' === $fieldset_key && ( is_user_logged_in() || ( ! $this->is_registration_required() && empty( $data['createaccount'] ) ) ) ) {
return true;
}
return false;
}
/**
* Get posted data from the checkout form.
*
* @since 3.1.0
* @return array of data.
*/
public function get_posted_data() {
// phpcs:disable WordPress.Security.NonceVerification.Missing
$data = array(
'terms' => (int) isset( $_POST['terms'] ),
'createaccount' => (int) ( $this->is_registration_enabled() ? ! empty( $_POST['createaccount'] ) : false ),
'payment_method' => isset( $_POST['payment_method'] ) ? kkart_clean( wp_unslash( $_POST['payment_method'] ) ) : '',
'shipping_method' => isset( $_POST['shipping_method'] ) ? kkart_clean( wp_unslash( $_POST['shipping_method'] ) ) : '',
'ship_to_different_address' => empty( $_POST['ship_to_billing_address'] ) && ! kkart_ship_to_billing_address_only(),
'kkart_checkout_update_totals' => isset( $_POST['kkart_checkout_update_totals'] ),
);
// phpcs:enable WordPress.Security.NonceVerification.Missing
$skipped = array();
foreach ( $this->get_checkout_fields() as $fieldset_key => $fieldset ) {
if ( $this->maybe_skip_fieldset( $fieldset_key, $data ) ) {
$skipped[] = $fieldset_key;
continue;
}
foreach ( $fieldset as $key => $field ) {
$type = sanitize_title( isset( $field['type'] ) ? $field['type'] : 'text' );
switch ( $type ) {
case 'checkbox':
$value = isset( $_POST[ $key ] ) ? 1 : ''; // WPCS: input var ok, CSRF ok.
break;
case 'multiselect':
$value = isset( $_POST[ $key ] ) ? implode( ', ', kkart_clean( wp_unslash( $_POST[ $key ] ) ) ) : ''; // WPCS: input var ok, CSRF ok.
break;
case 'textarea':
$value = isset( $_POST[ $key ] ) ? kkart_sanitize_textarea( wp_unslash( $_POST[ $key ] ) ) : ''; // WPCS: input var ok, CSRF ok.
break;
case 'password':
$value = isset( $_POST[ $key ] ) ? wp_unslash( $_POST[ $key ] ) : ''; // WPCS: input var ok, CSRF ok, sanitization ok.
break;
default:
$value = isset( $_POST[ $key ] ) ? kkart_clean( wp_unslash( $_POST[ $key ] ) ) : ''; // WPCS: input var ok, CSRF ok.
break;
}
$data[ $key ] = apply_filters( 'kkart_process_checkout_' . $type . '_field', apply_filters( 'kkart_process_checkout_field_' . $key, $value ) );
}
}
if ( in_array( 'shipping', $skipped, true ) && ( KKART()->cart->needs_shipping_address() || kkart_ship_to_billing_address_only() ) ) {
foreach ( $this->get_checkout_fields( 'shipping' ) as $key => $field ) {
$data[ $key ] = isset( $data[ 'billing_' . substr( $key, 9 ) ] ) ? $data[ 'billing_' . substr( $key, 9 ) ] : '';
}
}
// BW compatibility.
$this->legacy_posted_data = $data;
return apply_filters( 'kkart_checkout_posted_data', $data );
}
/**
* Validates the posted checkout data based on field properties.
*
* @since 3.0.0
* @param array $data An array of posted data.
* @param WP_Error $errors Validation error.
*/
protected function validate_posted_data( &$data, &$errors ) {
foreach ( $this->get_checkout_fields() as $fieldset_key => $fieldset ) {
$validate_fieldset = true;
if ( $this->maybe_skip_fieldset( $fieldset_key, $data ) ) {
$validate_fieldset = false;
}
foreach ( $fieldset as $key => $field ) {
if ( ! isset( $data[ $key ] ) ) {
continue;
}
$required = ! empty( $field['required'] );
$format = array_filter( isset( $field['validate'] ) ? (array) $field['validate'] : array() );
$field_label = isset( $field['label'] ) ? $field['label'] : '';
switch ( $fieldset_key ) {
case 'shipping':
/* translators: %s: field name */
$field_label = sprintf( _x( 'Shipping %s', 'checkout-validation', 'kkart' ), $field_label );
break;
case 'billing':
/* translators: %s: field name */
$field_label = sprintf( _x( 'Billing %s', 'checkout-validation', 'kkart' ), $field_label );
break;
}
if ( in_array( 'postcode', $format, true ) ) {
$country = isset( $data[ $fieldset_key . '_country' ] ) ? $data[ $fieldset_key . '_country' ] : KKART()->customer->{"get_{$fieldset_key}_country"}();
$data[ $key ] = kkart_format_postcode( $data[ $key ], $country );
if ( $validate_fieldset && '' !== $data[ $key ] && ! KKART_Validation::is_postcode( $data[ $key ], $country ) ) {
switch ( $country ) {
case 'IE':
/* translators: %1$s: field name, %2$s finder.eircode.ie URL */
$postcode_validation_notice = sprintf( __( '%1$s is not valid. You can look up the correct Eircode <a target="_blank" href="%2$s">here</a>.', 'kkart' ), '<strong>' . esc_html( $field_label ) . '</strong>', 'https://finder.eircode.ie' );
break;
default:
/* translators: %s: field name */
$postcode_validation_notice = sprintf( __( '%s is not a valid postcode / ZIP.', 'kkart' ), '<strong>' . esc_html( $field_label ) . '</strong>' );
}
$errors->add( $key . '_validation', apply_filters( 'kkart_checkout_postcode_validation_notice', $postcode_validation_notice, $country, $data[ $key ] ), array( 'id' => $key ) );
}
}
if ( in_array( 'phone', $format, true ) ) {
if ( $validate_fieldset && '' !== $data[ $key ] && ! KKART_Validation::is_phone( $data[ $key ] ) ) {
/* translators: %s: phone number */
$errors->add( $key . '_validation', sprintf( __( '%s is not a valid phone number.', 'kkart' ), '<strong>' . esc_html( $field_label ) . '</strong>' ), array( 'id' => $key ) );
}
}
if ( in_array( 'email', $format, true ) && '' !== $data[ $key ] ) {
$email_is_valid = is_email( $data[ $key ] );
$data[ $key ] = sanitize_email( $data[ $key ] );
if ( $validate_fieldset && ! $email_is_valid ) {
/* translators: %s: email address */
$errors->add( $key . '_validation', sprintf( __( '%s is not a valid email address.', 'kkart' ), '<strong>' . esc_html( $field_label ) . '</strong>' ), array( 'id' => $key ) );
continue;
}
}
if ( '' !== $data[ $key ] && in_array( 'state', $format, true ) ) {
$country = isset( $data[ $fieldset_key . '_country' ] ) ? $data[ $fieldset_key . '_country' ] : KKART()->customer->{"get_{$fieldset_key}_country"}();
$valid_states = KKART()->countries->get_states( $country );
if ( ! empty( $valid_states ) && is_array( $valid_states ) && count( $valid_states ) > 0 ) {
$valid_state_values = array_map( 'kkart_strtoupper', array_flip( array_map( 'kkart_strtoupper', $valid_states ) ) );
$data[ $key ] = kkart_strtoupper( $data[ $key ] );
if ( isset( $valid_state_values[ $data[ $key ] ] ) ) {
// With this part we consider state value to be valid as well, convert it to the state key for the valid_states check below.
$data[ $key ] = $valid_state_values[ $data[ $key ] ];
}
if ( $validate_fieldset && ! in_array( $data[ $key ], $valid_state_values, true ) ) {
/* translators: 1: state field 2: valid states */
$errors->add( $key . '_validation', sprintf( __( '%1$s is not valid. Please enter one of the following: %2$s', 'kkart' ), '<strong>' . esc_html( $field_label ) . '</strong>', implode( ', ', $valid_states ) ), array( 'id' => $key ) );
}
}
}
if ( $validate_fieldset && $required && '' === $data[ $key ] ) {
/* translators: %s: field name */
$errors->add( $key . '_required', apply_filters( 'kkart_checkout_required_field_notice', sprintf( __( '%s is a required field.', 'kkart' ), '<strong>' . esc_html( $field_label ) . '</strong>' ), $field_label ), array( 'id' => $key ) );
}
}
}
}
/**
* Validates that the checkout has enough info to proceed.
*
* @since 3.0.0
* @param array $data An array of posted data.
* @param WP_Error $errors Validation errors.
*/
protected function validate_checkout( &$data, &$errors ) {
$this->validate_posted_data( $data, $errors );
$this->check_cart_items();
if ( empty( $data['kkart_checkout_update_totals'] ) && empty( $data['terms'] ) && ! empty( $_POST['terms-field'] ) ) { // WPCS: input var ok, CSRF ok.
$errors->add( 'terms', __( 'Please read and accept the terms and conditions to proceed with your order.', 'kkart' ) );
}
if ( KKART()->cart->needs_shipping() ) {
$shipping_country = KKART()->customer->get_shipping_country();
if ( empty( $shipping_country ) ) {
$errors->add( 'shipping', __( 'Please enter an address to continue.', 'kkart' ) );
} elseif ( ! in_array( KKART()->customer->get_shipping_country(), array_keys( KKART()->countries->get_shipping_countries() ), true ) ) {
/* translators: %s: shipping location */
$errors->add( 'shipping', sprintf( __( 'Unfortunately <strong>we do not ship %s</strong>. Please enter an alternative shipping address.', 'kkart' ), KKART()->countries->shipping_to_prefix() . ' ' . KKART()->customer->get_shipping_country() ) );
} else {
$chosen_shipping_methods = KKART()->session->get( 'chosen_shipping_methods' );
foreach ( KKART()->shipping()->get_packages() as $i => $package ) {
if ( ! isset( $chosen_shipping_methods[ $i ], $package['rates'][ $chosen_shipping_methods[ $i ] ] ) ) {
$errors->add( 'shipping', __( 'No shipping method has been selected. Please double check your address, or contact us if you need any help.', 'kkart' ) );
}
}
}
}
if ( KKART()->cart->needs_payment() ) {
$available_gateways = KKART()->payment_gateways->get_available_payment_gateways();
if ( ! isset( $available_gateways[ $data['payment_method'] ] ) ) {
$errors->add( 'payment', __( 'Invalid payment method.', 'kkart' ) );
} else {
$available_gateways[ $data['payment_method'] ]->validate_fields();
}
}
do_action( 'kkart_after_checkout_validation', $data, $errors );
}
/**
* Set address field for customer.
*
* @since 3.0.7
* @param string $field String to update.
* @param string $key Field key.
* @param array $data Array of data to get the value from.
*/
protected function set_customer_address_fields( $field, $key, $data ) {
$billing_value = null;
$shipping_value = null;
if ( isset( $data[ "billing_{$field}" ] ) && is_callable( array( KKART()->customer, "set_billing_{$field}" ) ) ) {
$billing_value = $data[ "billing_{$field}" ];
$shipping_value = $data[ "billing_{$field}" ];
}
if ( isset( $data[ "shipping_{$field}" ] ) && is_callable( array( KKART()->customer, "set_shipping_{$field}" ) ) ) {
$shipping_value = $data[ "shipping_{$field}" ];
}
if ( ! is_null( $billing_value ) && is_callable( array( KKART()->customer, "set_billing_{$field}" ) ) ) {
KKART()->customer->{"set_billing_{$field}"}( $billing_value );
}
if ( ! is_null( $shipping_value ) && is_callable( array( KKART()->customer, "set_shipping_{$field}" ) ) ) {
KKART()->customer->{"set_shipping_{$field}"}( $shipping_value );
}
}
/**
* Update customer and session data from the posted checkout data.
*
* @since 3.0.0
* @param array $data Posted data.
*/
protected function update_session( $data ) {
// Update both shipping and billing to the passed billing address first if set.
$address_fields = array(
'first_name',
'last_name',
'company',
'email',
'phone',
'address_1',
'address_2',
'city',
'postcode',
'state',
'country',
);
array_walk( $address_fields, array( $this, 'set_customer_address_fields' ), $data );
KKART()->customer->save();
// Update customer shipping and payment method to posted method.
$chosen_shipping_methods = KKART()->session->get( 'chosen_shipping_methods' );
if ( is_array( $data['shipping_method'] ) ) {
foreach ( $data['shipping_method'] as $i => $value ) {
$chosen_shipping_methods[ $i ] = $value;
}
}
KKART()->session->set( 'chosen_shipping_methods', $chosen_shipping_methods );
KKART()->session->set( 'chosen_payment_method', $data['payment_method'] );
// Update cart totals now we have customer address.
KKART()->cart->calculate_totals();
}
/**
* Process an order that does require payment.
*
* @since 3.0.0
* @param int $order_id Order ID.
* @param string $payment_method Payment method.
*/
protected function process_order_payment( $order_id, $payment_method ) {
$available_gateways = KKART()->payment_gateways->get_available_payment_gateways();
if ( ! isset( $available_gateways[ $payment_method ] ) ) {
return;
}
// TODO: Check, is working fine?
kkart_clear_notices();
// Store Order ID in session so it can be re-used after payment failure.
KKART()->session->set( 'order_awaiting_payment', $order_id );
// Process Payment.
$result = $available_gateways[ $payment_method ]->process_payment( $order_id );
// Redirect to success/confirmation/payment page.
if ( isset( $result['result'] ) && 'success' === $result['result'] ) {
$result = apply_filters( 'kkart_payment_successful_result', $result, $order_id );
if ( ! is_ajax() ) {
wp_redirect( $result['redirect'] );
exit;
}
wp_send_json( $result );
}
}
/**
* Process an order that doesn't require payment.
*
* @since 3.0.0
* @param int $order_id Order ID.
*/
protected function process_order_without_payment( $order_id ) {
$order = kkart_get_order( $order_id );
$order->payment_complete();
kkart_empty_cart();
if ( ! is_ajax() ) {
wp_safe_redirect(
apply_filters( 'kkart_checkout_no_payment_needed_redirect', $order->get_checkout_order_received_url(), $order )
);
exit;
}
wp_send_json(
array(
'result' => 'success',
'redirect' => apply_filters( 'kkart_checkout_no_payment_needed_redirect', $order->get_checkout_order_received_url(), $order ),
)
);
}
/**
* Create a new customer account if needed.
*
* @throws Exception When not able to create customer.
* @param array $data Posted data.
*/
protected function process_customer( $data ) {
$customer_id = apply_filters( 'kkart_checkout_customer_id', get_current_user_id() );
if ( ! is_user_logged_in() && ( $this->is_registration_required() || ! empty( $data['createaccount'] ) ) ) {
$username = ! empty( $data['account_username'] ) ? $data['account_username'] : '';
$password = ! empty( $data['account_password'] ) ? $data['account_password'] : '';
$customer_id = kkart_create_new_customer(
$data['billing_email'],
$username,
$password,
array(
'first_name' => ! empty( $data['billing_first_name'] ) ? $data['billing_first_name'] : '',
'last_name' => ! empty( $data['billing_last_name'] ) ? $data['billing_last_name'] : '',
)
);
if ( is_wp_error( $customer_id ) ) {
throw new Exception( $customer_id->get_error_message() );
}
kkart_set_customer_auth_cookie( $customer_id );
// As we are now logged in, checkout will need to refresh to show logged in data.
KKART()->session->set( 'reload_checkout', true );
// Also, recalculate cart totals to reveal any role-based discounts that were unavailable before registering.
KKART()->cart->calculate_totals();
}
// On multisite, ensure user exists on current site, if not add them before allowing login.
if ( $customer_id && is_multisite() && is_user_logged_in() && ! is_user_member_of_blog() ) {
add_user_to_blog( get_current_blog_id(), $customer_id, 'customer' );
}
// Add customer info from other fields.
if ( $customer_id && apply_filters( 'kkart_checkout_update_customer_data', true, $this ) ) {
$customer = new KKART_Customer( $customer_id );
if ( ! empty( $data['billing_first_name'] ) && '' === $customer->get_first_name() ) {
$customer->set_first_name( $data['billing_first_name'] );
}
if ( ! empty( $data['billing_last_name'] ) && '' === $customer->get_last_name() ) {
$customer->set_last_name( $data['billing_last_name'] );
}
// If the display name is an email, update to the user's full name.
if ( is_email( $customer->get_display_name() ) ) {
$customer->set_display_name( $customer->get_first_name() . ' ' . $customer->get_last_name() );
}
foreach ( $data as $key => $value ) {
// Use setters where available.
if ( is_callable( array( $customer, "set_{$key}" ) ) ) {
$customer->{"set_{$key}"}( $value );
// Store custom fields prefixed with wither shipping_ or billing_.
} elseif ( 0 === stripos( $key, 'billing_' ) || 0 === stripos( $key, 'shipping_' ) ) {
$customer->update_meta_data( $key, $value );
}
}
/**
* Action hook to adjust customer before save.
*
* @since 3.0.0
*/
do_action( 'kkart_checkout_update_customer', $customer, $data );
$customer->save();
}
do_action( 'kkart_checkout_update_user_meta', $customer_id, $data );
}
/**
* If checkout failed during an AJAX call, send failure response.
*/
protected function send_ajax_failure_response() {
if ( is_ajax() ) {
// Only print notices if not reloading the checkout, otherwise they're lost in the page reload.
if ( ! isset( KKART()->session->reload_checkout ) ) {
$messages = kkart_print_notices( true );
}
$response = array(
'result' => 'failure',
'messages' => isset( $messages ) ? $messages : '',
'refresh' => isset( KKART()->session->refresh_totals ),
'reload' => isset( KKART()->session->reload_checkout ),
);
unset( KKART()->session->refresh_totals, KKART()->session->reload_checkout );
wp_send_json( $response );
}
}
/**
* Process the checkout after the confirm order button is pressed.
*
* @throws Exception When validation fails.
*/
public function process_checkout() {
try {
$nonce_value = kkart_get_var( $_REQUEST['kkart-process-checkout-nonce'], kkart_get_var( $_REQUEST['_wpnonce'], '' ) ); // @codingStandardsIgnoreLine.
if ( empty( $nonce_value ) || ! wp_verify_nonce( $nonce_value, 'kkart-process_checkout' ) ) {
KKART()->session->set( 'refresh_totals', true );
throw new Exception( __( 'We were unable to process your order, please try again.', 'kkart' ) );
}
kkart_maybe_define_constant( 'KKART_CHECKOUT', true );
kkart_set_time_limit( 0 );
do_action( 'kkart_before_checkout_process' );
if ( KKART()->cart->is_empty() ) {
/* translators: %s: shop cart url */
throw new Exception( sprintf( __( 'Sorry, your session has expired. <a href="%s" class="kkart-backward">Return to shop</a>', 'kkart' ), esc_url( kkart_get_page_permalink( 'shop' ) ) ) );
}
do_action( 'kkart_checkout_process' );
$errors = new WP_Error();
$posted_data = $this->get_posted_data();
// TODO : add this validation in billing form
// Validate posted data and cart items before proceeding.
//$this->validate_checkout( $posted_data, $errors );
foreach ( $errors->errors as $code => $messages ) {
$data = $errors->get_error_data( $code );
foreach ( $messages as $message ) {
kkart_add_notice( $message, 'error', $data );
}
}
if ( empty( $posted_data['kkart_checkout_update_totals'] ) && 0 === kkart_notice_count( 'error' ) ) {
//$this->process_customer( $posted_data );
// Add billing data
$user_id = get_current_user_id();
$billing_id = get_user_meta( $user_id, 'billing_address_id', true);
$ret = kkart_get_user_address($billing_id);
if(empty($ret)){
// TODO: set error
}else{
foreach($ret as $key => $value){
$billing_field = get_user_meta( $user_id, $key, true);
if(!empty($billing_field)){
$field = substr($key, 8);
$posted_data[$key] = $billing_field;
// Shipping address same as billing address
if(!empty($_REQUEST['ship_to_billing_address'])){
$posted_data['shipping_'.$field] = $billing_field;
}
}
}
}
// Add shipping data
// TODO check if is shipable
// Skip error if not set differrent address
if(empty($_REQUEST['ship_to_billing_address'])){
$shipping_id = get_user_meta( $user_id, 'shipping_address_id', true);
$ret = kkart_get_user_address($shipping_id);
if(empty($ret)){
// TODO: set error
}else{
foreach($ret as $key => $value){
// Skip billing_ from the key
$field = substr($key, 8);
$shipping_field = get_user_meta( $user_id, 'shipping_'.$field, true);
if(!empty($shipping_field)){
$posted_data['shipping_'.$field] = $shipping_field;
}
}
}
}
// Update session for customer and totals.
$this->update_session( $posted_data );
// Need to update post date
$order_id = $this->create_order( $posted_data );
$order = kkart_get_order( $order_id );
if ( is_wp_error( $order_id ) ) {
throw new Exception( $order_id->get_error_message() );
}
if ( ! $order ) {
throw new Exception( __( 'Unable to create order.', 'kkart' ) );
}
do_action( 'kkart_checkout_order_processed', $order_id, $posted_data, $order );
/**
* Note that kkart_cart_needs_payment is only used in
* KKART_Checkout::process_checkout() to keep backwards compatibility.
* Use kkart_order_needs_payment instead.
*
* Note that at this point you can't rely on the Cart Object anymore,
* since it could be empty see:
* https://github.com/kkart/kkart/issues/24631
*/
if ( apply_filters( 'kkart_cart_needs_payment', $order->needs_payment(), KKART()->cart ) ) {
$this->process_order_payment( $order_id, $posted_data['payment_method'] );
} else {
$this->process_order_without_payment( $order_id );
}
}
} catch ( Exception $e ) {
kkart_add_notice( $e->getMessage(), 'error' );
}
$this->send_ajax_failure_response();
}
/**
* Get a posted address field after sanitization and validation.
*
* @param string $key Field key.
* @param string $type Type of address. Available options: 'billing' or 'shipping'.
* @return string
*/
public function get_posted_address_data( $key, $type = 'billing' ) {
if ( 'billing' === $type || true === $this->legacy_posted_data['ship_to_billing_address'] ) {
$return = isset( $this->legacy_posted_data[ 'billing_' . $key ] ) ? $this->legacy_posted_data[ 'billing_' . $key ] : '';
} else {
$return = isset( $this->legacy_posted_data[ 'shipping_' . $key ] ) ? $this->legacy_posted_data[ 'shipping_' . $key ] : '';
}
return $return;
}
/**
* Gets the value either from POST, or from the customer object. Sets the default values in checkout fields.
*
* @param string $input Name of the input we want to grab data for. e.g. billing_country.
* @return string The default value.
*/
public function get_value( $input ) {
// If the form was posted, get the posted value. This will only tend to happen when JavaScript is disabled client side.
if ( ! empty( $_POST[ $input ] ) ) { // WPCS: input var ok, CSRF OK.
return kkart_clean( wp_unslash( $_POST[ $input ] ) ); // WPCS: input var ok, CSRF OK.
}
// Allow 3rd parties to short circuit the logic and return their own default value.
$value = apply_filters( 'kkart_checkout_get_value', null, $input );
if ( ! is_null( $value ) ) {
return $value;
}
/**
* For logged in customers, pull data from their account rather than the session which may contain incomplete data.
* Another reason is that KKART sets shipping address to the billing address on the checkout updates unless the
* "ship to another address" box is checked. @see issue #20975.
*/
$customer_object = false;
if ( is_user_logged_in() ) {
// Load customer object, but keep it cached to avoid reloading it multiple times.
if ( is_null( $this->logged_in_customer ) ) {
$this->logged_in_customer = new KKART_Customer( get_current_user_id(), true );
}
$customer_object = $this->logged_in_customer;
}
if ( ! $customer_object ) {
$customer_object = KKART()->customer;
}
if ( is_callable( array( $customer_object, "get_$input" ) ) ) {
$value = $customer_object->{"get_$input"}();
} elseif ( $customer_object->meta_exists( $input ) ) {
$value = $customer_object->get_meta( $input, true );
}
if ( '' === $value ) {
$value = null;
}
return apply_filters( 'default_checkout_' . $input, $value, $input );
}
}