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<?php
/**
* Utils.
*
* @package CARTFLOWS
*/
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly.
}
/**
* Class Cartflows_Utils.
*/
class Cartflows_Utils {
/**
* Member Variable
*
* @var instance
*/
private static $instance;
/**
* Member Variable
*
* @var checkout_products
*/
public $checkout_products = array();
/**
* Initiator
*/
public static function get_instance() {
if ( ! isset( self::$instance ) ) {
self::$instance = new self();
}
return self::$instance;
}
/**
* Constructor
*/
public function __construct() {
}
/**
* Get current post type
*
* @param string $post_type post type.
* @return string
*/
public function current_post_type( $post_type = '' ) {
global $post;
if ( '' === $post_type && is_object( $post ) ) {
$post_type = $post->post_type;
}
return $post_type;
}
/**
* Check if post type is of step.
*
* @param string $post_type post type.
* @return bool
*/
public function is_step_post_type( $post_type = '' ) {
if ( $this->get_step_post_type() === $this->current_post_type( $post_type ) ) {
return true;
}
return false;
}
/**
* Check if post type is of flow.
*
* @param string $post_type post type.
* @return bool
*/
public function is_flow_post_type( $post_type = '' ) {
if ( $this->get_flow_post_type() === $this->current_post_type( $post_type ) ) {
return true;
}
return false;
}
/**
* Get post type of step.
*
* @return string
*/
public function get_step_post_type() {
return CARTFLOWS_STEP_POST_TYPE;
}
/**
* Get post type of flow.
*
* @return string
*/
public function get_flow_post_type() {
return CARTFLOWS_FLOW_POST_TYPE;
}
/**
* Get flow id
*
* @return int
*/
public function get_flow_id() {
global $post;
$post_meta = false;
if ( $post ) {
$post_meta = get_post_meta( $post->ID, 'wcf-flow-id', true );
}
return $post_meta;
}
/**
* Get flow id by step
*
* @param int $step_id step ID.
* @return int
*/
public function get_flow_id_from_step_id( $step_id ) {
return get_post_meta( $step_id, 'wcf-flow-id', true );
}
/**
* Get flow steps by id
*
* @param int $flow_id flow ID.
* @return int
*/
public function get_flow_steps( $flow_id ) {
$steps = get_post_meta( $flow_id, 'wcf-steps', true );
if ( is_array( $steps ) && ! empty( $steps ) ) {
return $steps;
}
return false;
}
/**
* Get template type of step
*
* @param int $step_id step ID.
* @return int
*/
public function get_step_type( $step_id ) {
return get_post_meta( $step_id, 'wcf-step-type', true );
}
/**
* Get next id for step
*
* @param int $flow_id flow ID.
* @param int $step_id step ID.
* @return bool
*/
public function get_next_step_id( $flow_id, $step_id ) {
$wcf_step_obj = wcf_get_step( $step_id );
$next_step_id = $wcf_step_obj->get_direct_next_step_id();
return $next_step_id;
}
/**
* Get next id for step
*
* @param object $order order object.
* @return int
*/
public function get_flow_id_from_order( $order ) {
if ( ! is_object( $order ) ) {
$order = wc_get_order( $order );
}
$flow_id = is_object( $order ) ? $order->get_meta( '_wcf_flow_id' ) : 0;
return intval( $flow_id );
}
/**
* Get checkout id for order
*
* @param object $order order object.
* @return int
*/
public function get_checkout_id_from_order( $order ) {
if ( ! is_object( $order ) ) {
$order = wc_get_order( $order );
}
$checkout_id = is_object( $order ) ? $order->get_meta( '_wcf_checkout_id' ) : 0;
return intval( $checkout_id );
}
/**
* We are using this function mostly in ajax on checkout page
*
* @return mixed
*/
public function get_checkout_id_from_post_data() {
$checkout_id = false;
//phpcs:disable WordPress.Security.NonceVerification
if ( isset( $_POST['_wcf_checkout_id'] ) ) {
$checkout_id = intval( $_POST['_wcf_checkout_id'] );
} elseif ( isset( $_GET['wcf_checkout_id'] ) ) {
$checkout_id = intval( $_GET['wcf_checkout_id'] );
}
//phpcs:enable WordPress.Security.NonceVerification
return $checkout_id;
}
/**
* We are using this function mostly in ajax on checkout page
*
* @return bool
*/
public function get_flow_id_from_post_data() {
$flow_id = false;
//phpcs:disable WordPress.Security.NonceVerification
if ( isset( $_POST['_wcf_flow_id'] ) ) {
$flow_id = intval( $_POST['_wcf_flow_id'] );
} elseif ( isset( $_GET['wcf_checkout_id'] ) ) {
$flow_id = wcf()->utils->get_flow_id_from_step_id( intval( $_GET['wcf_checkout_id'] ) );
}
//phpcs:enable WordPress.Security.NonceVerification
return $flow_id;
}
/**
* Get optin id for order
*
* @param object $order order object.
* @return int
*/
public function get_optin_id_from_order( $order ) {
if ( ! is_object( $order ) ) {
$order = wc_get_order( $order );
}
$optin_id = $order ? $order->get_meta( '_wcf_optin_id' ) : 0;
return intval( $optin_id );
}
/**
* We are using this function mostly in ajax on checkout page
*
* @return bool
*/
public function get_optin_id_from_post_data() {
if ( isset( $_POST['_wcf_optin_id'] ) ) { //phpcs:ignore WordPress.Security.NonceVerification.Missing
$optin_id = intval( $_POST['_wcf_optin_id'] ); //phpcs:ignore WordPress.Security.NonceVerification.Missing
return $optin_id;
}
return false;
}
/**
* Check for checkout page
*
* @param int $step_id step ID.
* @return bool
*/
public function check_is_checkout_page( $step_id ) {
$step_type = $this->get_step_type( $step_id );
if ( 'checkout' === $step_type ) {
return true;
}
return false;
}
/**
* Check for thank you page
*
* @param int $step_id step ID.
* @return bool
*/
public function check_is_thankyou_page( $step_id ) {
$step_type = $this->get_step_type( $step_id );
if ( 'thankyou' === $step_type ) {
return true;
}
return false;
}
/**
* Check for offer page
*
* @param int $step_id step ID.
* @return bool
*/
public function check_is_offer_page( $step_id ) {
$step_type = $this->get_step_type( $step_id );
if ( 'upsell' === $step_type || 'downsell' === $step_type ) {
return true;
}
return false;
}
/**
* Check if loaded page requires woo.
*
* @return bool
*/
public function check_is_woo_required_page() {
global $post;
$step_id = $post->ID;
$woo_not_required_type = array( 'landing' );
$step_type = $this->get_step_type( $step_id );
return ( ! in_array( $step_type, $woo_not_required_type, true ) );
}
/**
* Define constant for cache
*
* @return void
*/
public function do_not_cache() {
global $post;
if ( ! apply_filters( 'cartflows_do_not_cache_step', true, $post->ID ) ) {
return;
}
$this->get_cache_headers();
}
/**
* Function to get/set the do not cache page constants.
*
* @return void
*/
public function get_cache_headers() {
wcf_maybe_define_constant( 'DONOTCACHEPAGE', true );
wcf_maybe_define_constant( 'DONOTCACHEOBJECT', true );
wcf_maybe_define_constant( 'DONOTCACHEDB', true );
nocache_headers();
}
/**
* Get linking url
*
* @param array $args query args.
* @return string
*/
public function get_linking_url( $args = array() ) {
$url = get_home_url();
$url = add_query_arg( $args, $url );
return $url;
}
/**
* Get assets urls
*
* @return array
* @since 1.1.6
*/
public function get_assets_path() {
$rtl = '';
if ( is_rtl() ) {
$rtl = '-rtl';
}
$file_prefix = '';
$dir_name = '';
$is_min = apply_filters( 'cartflows_load_min_assets', false );
if ( $is_min ) {
$file_prefix = '.min';
$dir_name = 'min-';
}
$js_gen_path = CARTFLOWS_URL . 'assets/' . $dir_name . 'js/';
$css_gen_path = CARTFLOWS_URL . 'assets/' . $dir_name . 'css/';
return array(
'css' => $css_gen_path,
'js' => $js_gen_path,
'file_prefix' => $file_prefix,
'rtl' => $rtl,
);
}
/**
* Get assets css url
*
* @param string $file file name.
* @return string
* @since 1.1.6
*/
public function get_css_url( $file ) {
$assets_vars = wcf()->assets_vars;
$url = $assets_vars['css'] . $file . $assets_vars['rtl'] . $assets_vars['file_prefix'] . '.css';
return $url;
}
/**
* Get assets js url
*
* @param string $file file name.
* @return string
* @since 1.1.6
*/
public function get_js_url( $file ) {
$assets_vars = wcf()->assets_vars;
$url = $assets_vars['js'] . $file . $assets_vars['file_prefix'] . '.js';
return $url;
}
/**
* Get unique id.
*
* @param int $length Length.
*
* @return string|false
*/
public function get_unique_id( $length = 8 ) {
return substr( md5( microtime() ), 0, $length );
}
/**
* Get selected checkout products and data
*
* @param int $checkout_id Checkout id..
* @param array $saved_products Saved product.
*
* @return array
*/
public function get_selected_checkout_products( $checkout_id = '', $saved_products = array() ) {
if ( empty( $checkout_id ) ) {
global $post;
$checkout_id = $post->ID;
}
if ( ! isset( $this->checkout_products[ $checkout_id ] ) ) {
if ( ! empty( $saved_products ) ) {
$products = $saved_products;
} else {
$products = wcf()->options->get_checkout_meta_value( $checkout_id, 'wcf-checkout-products' );
}
$default_add_to_cart = true;
if ( is_array( $products ) ) {
foreach ( $products as $in => $data ) {
$default_data = array(
'quantity' => 1,
'discount_type' => '',
'discount_value' => '',
'unique_id' => $this->get_unique_id(),
'add_to_cart' => $default_add_to_cart,
);
$products[ $in ] = wp_parse_args( $products[ $in ], $default_data );
}
}
$products = apply_filters( 'cartflows_selected_checkout_products', $products, $checkout_id );
// This is frontend. Ignoring nonce rule.
if ( isset( $_GET['wcf-default'] ) ) { //phpcs:ignore WordPress.Security.NonceVerification.Recommended
$products = $this->update_the_add_to_cart_param( $products );
}
$this->checkout_products[ $checkout_id ] = $products;
}
return $this->checkout_products[ $checkout_id ];
}
/**
* Update product add to cart option.
*
* @param array $products product data.
*/
public function update_the_add_to_cart_param( $products ) {
$default_sequence = isset( $_GET['wcf-default'] ) ? sanitize_text_field( wp_unslash( $_GET['wcf-default'] ) ) : ''; //phpcs:ignore WordPress.Security.NonceVerification.Recommended
$default_ids = array_map( 'intval', explode( ',', $default_sequence ) );
if ( is_array( $products ) ) {
foreach ( $products as $in => $data ) {
$default_add_to_cart = 'no';
$sequence = $in + 1;
if ( in_array( $sequence, $default_ids, true ) ) {
$default_add_to_cart = 'yes';
}
$products[ $in ]['add_to_cart'] = $default_add_to_cart;
}
}
return $products;
}
/**
* Get selected checkout products and data
*
* @param int $checkout_id Checkout id..
* @param array $products_data Saved product.
*
* @return array
*/
public function set_selcted_checkout_products( $checkout_id = '', $products_data = array() ) {
if ( empty( $checkout_id ) ) {
global $post;
$checkout_id = $post->ID;
}
if ( isset( $this->checkout_products[ $checkout_id ] ) ) {
$products = $this->checkout_products[ $checkout_id ];
} else {
$products = $this->get_selected_checkout_products( $checkout_id );
}
if ( is_array( $products ) && ! empty( $products_data ) ) {
foreach ( $products as $in => $data ) {
if ( isset( $products_data[ $in ] ) ) {
$products[ $in ] = wp_parse_args( $products_data[ $in ], $products[ $in ] );
}
}
}
$this->checkout_products[ $checkout_id ] = $products;
return $this->checkout_products[ $checkout_id ];
}
/**
* Clear Installed Page Builder Cache
*/
public function clear_cache() {
// Clear 'Elementor' file cache.
if ( class_exists( '\Elementor\Plugin' ) ) {
Elementor\Plugin::$instance->files_manager->clear_cache();
}
}
/**
* Append the query strings present in the URL to pass it to the next step URL.
* This will carry-forward the passed query strings to the next step URL.
*
* @param array $original_query_strings Default query strings of CartFlows.
* @return array $original_query_strings Modified query strings.
*/
public function may_be_append_query_string( $original_query_strings ) {
// Return if the feature is not enabled. Default is disabled.
if ( ! apply_filters( 'cartflows_enable_append_query_string', false ) ) {
return $original_query_strings;
}
// Check if HTTP_REFERER is set and fetch its query strings.
if ( empty( $_SERVER['HTTP_REFERER'] ) ) {
return $original_query_strings;
}
// Get the current page URL and parse it to explode the URL in different URL components.
$url_params_components = wp_parse_url( esc_url_raw( wp_unslash( $_SERVER['HTTP_REFERER'] ) ) );
// Process only if the URL components is not empty and query i:e query strings are not empty.
if ( is_array( $url_params_components ) && ! empty( $url_params_components['query'] ) ) {
$forwarded_params = $url_params_components['query'];
// Convert the string query from string to array format.
parse_str( $forwarded_params, $parsed_query_string );
// Remove the already present wcf-key and wcf-order params from the URl and append the rest of.
if ( $parsed_query_string['wcf-key'] && $parsed_query_string['wcf-order'] ) {
unset( $parsed_query_string['wcf-key'] );
unset( $parsed_query_string['wcf-order'] );
}
// Merge the new and already existing query strings.
$original_query_strings = array_merge( $original_query_strings, $parsed_query_string );
}
// Return the query strings.
return $original_query_strings;
}
}
/**
* Get a specific property of an array without needing to check if that property exists.
*
* Provide a default value if you want to return a specific value if the property is not set.
*
* @param array $array Array from which the property's value should be retrieved.
* @param string $prop Name of the property to be retrieved.
* @param string $default Optional. Value that should be returned if the property is not set or empty. Defaults to null.
*
* @return null|string|mixed The value
*/
function wcf_get_prop( $array, $prop, $default = null ) {
if ( ! is_array( $array ) && ! ( is_object( $array ) && $array instanceof ArrayAccess ) ) {
return $default;
}
if ( isset( $array[ $prop ] ) ) {
$value = $array[ $prop ];
} else {
$value = '';
}
return empty( $value ) && null !== $default ? $default : $value;
}
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