Initial Commit N° : 001 - V.4.3.3

cores/nasa-wc-checkout-ext.php

@@ -0,0 +1,125 @@
+<?php
+defined('ABSPATH') or die(); // Exit if accessed directly
+
+/**
+ * Extended WooCommerce Checkout
+ */
+if (class_exists('WC_Checkout')) :
+
+    class Elessi_WC_Checkout_Ext extends WC_Checkout {
+
+        /**
+         * The single instance of the class.
+         *
+         * @var Elessi_WC_Checkout_Ext|null
+         */
+        protected static $instance_child = null;
+
+        /**
+         * Gets the main WC_Checkout Instance.
+         * 
+         * @static
+         * @return WC_Checkout Main instance
+         */
+        public static function instance_child() {
+            if (is_null(self::$instance_child)) {
+                self::$instance_child = new self();
+
+                // Hook in actions once.
+                add_action('woocommerce_checkout_billing', array(self::$instance_child, 'checkout_form_billing'));
+                add_action('woocommerce_checkout_shipping', array(self::$instance_child, 'checkout_form_shipping'));
+
+                // woocommerce_checkout_init action is ran once when the class is first constructed.
+                do_action('woocommerce_checkout_init', self::$instance_child);
+            }
+
+            return self::$instance_child;
+        }
+
+        /**
+         * Validate form checkout
+         */
+        public function validate_form_checkout() {
+            try {
+                $errors = new WP_Error();
+                $posted_data = $this->get_posted_data();
+
+                // Update session for customer and totals.
+                $this->update_session($posted_data);
+
+                // Validate posted data and cart items before proceeding.
+                $this->validate_checkout_no_payment($posted_data, $errors);
+
+                if (!empty($errors->errors)) {
+                    foreach ($errors->errors as $code => $messages) {
+                        $data = $errors->get_error_data($code);
+                        
+                        foreach ($messages as $message) {
+                            wc_add_notice($message, 'error', $data);
+                        }
+                    }
+                }
+                
+            } catch (Exception $e) {
+                wc_add_notice($e->getMessage(), 'error');
+            }
+
+            if (wc_notice_count('error') > 0) {
+                $this->send_ajax_failure_response();
+            } else {
+                $response = array(
+                    'result' => 'success'
+                );
+
+                wp_send_json($response);
+            }
+        }
+
+        /**
+         * Validates that the checkout has enough info to proceed.
+         *
+         * @param  array    $data   An array of posted data.
+         * @param  WP_Error $errors Validation errors.
+         */
+        protected function validate_checkout_no_payment(&$data, &$errors) {
+            $this->validate_posted_data($data, $errors);
+            $this->check_cart_items();
+
+            if (WC()->cart->needs_shipping()) {
+                $shipping_country = isset($data['shipping_country']) ? $data['shipping_country'] : WC()->customer->get_shipping_country();
+
+                if (empty($shipping_country)) {
+                    $errors->add('shipping', __('Please enter an address to continue.', 'elessi-theme'));
+                } elseif (!in_array($shipping_country, array_keys(WC()->countries->get_shipping_countries()), true)) {
+                    if (WC()->countries->country_exists($shipping_country)) {
+                        /* translators: %s: shipping location (prefix e.g. 'to' + ISO 3166-1 alpha-2 country code) */
+                        $errors->add('shipping', sprintf(__('Unfortunately <strong>we do not ship %s</strong>. Please enter an alternative shipping address.', 'elessi-theme'), WC()->countries->shipping_to_prefix() . ' ' . $shipping_country));
+                    }
+                } else {
+                    $chosen_shipping_methods = WC()->session->get('chosen_shipping_methods');
+
+                    foreach (WC()->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.', 'elessi-theme'));
+                        }
+                    }
+                }
+            }
+            
+            /**
+             * Ignore validate checkbox with Germanized for WooCommerce plugin
+             */
+            if (class_exists('WC_GZD_Legal_Checkbox_Manager')) {
+                $gzd = WC_GZD_Legal_Checkbox_Manager::instance();
+                remove_action('woocommerce_after_checkout_validation', array($gzd, 'validate_checkout'), 1, 2);
+            }
+
+            /**
+             * Hook after checkout validation
+             */
+            do_action('woocommerce_after_checkout_validation', $data, $errors);
+        }
+
+    }
+    
+endif;