JezK

Edit File: class-cr-referrals.php

<?php

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

if ( ! class_exists( 'CR_Referrals' ) ) :

require_once('class-ivole-email.php');

class CR_Referrals {
	  public function __construct() {
			// Tracking of referrals only when Trust Badges are enabled and referrals tracking is enabled
			if( 'yes' === get_option( 'ivole_reviews_verified', 'no' ) && 'yes' === get_option( 'ivole_referrals_tracking', 'no' ) ) {
				// Track referrals
				add_filter( 'query_vars', array( $this, 'referral_session' ) );
				add_action( 'parse_query', array( $this, 'check_referral' ) );
				// Trigger for new order
				add_action( 'woocommerce_checkout_update_order_meta', array( $this, 'update_order_meta' ), 10, 2 );
				// Triggers for paid orders
				add_action( 'woocommerce_order_status_processing', array( $this, 'referral_trigger' ) );
				add_action( 'woocommerce_order_status_completed', array( $this, 'referral_trigger' ) );
			}
	  }

public function referral_trigger( $order_id ) {
			if( $order_id ) {
				$referral_session = get_post_meta( $order_id, '_cr_referral_session', true );
				if( $referral_session ) {
					$license_key = get_option( 'ivole_license_key', '' );
					if( $license_key ) {
						$order = new WC_Order( $order_id );
						$order_status = $order->get_status();
						if( 'processing' === $order_status || 'completed' === $order_status ) {
							$customer_email = '';
							$customer_first_name = '';
							$customer_last_name = '';
							$order_date = '';
							$order_currency = '';
							$user = NULL;
							$shipping_country = apply_filters( 'woocommerce_get_base_location', get_option( 'woocommerce_default_country' ) );
							$temp_shipping_country = '';

//check if registered customers option is used
							$registered_customers = false;
							if( 'yes' === get_option( 'ivole_registered_customers', 'no' ) ) {
								$registered_customers = true;
							}

// get information about the order
							if( method_exists( $order, 'get_billing_email' ) ) {
								// Woocommerce version 3.0 or later
								if( $registered_customers ) {
									$user = $order->get_user();
									if( $user ) {
										$customer_email = $user->user_email;
									} else {
										$customer_email = $order->get_billing_email();
									}
								} else {
									$customer_email = $order->get_billing_email();
								}
								$customer_first_name = $order->get_billing_first_name();
								$customer_last_name = $order->get_billing_last_name();
								$order_date = date_i18n( 'd.m.Y', strtotime( $order->get_date_created() ) );
								$order_currency = $order->get_currency();
								$temp_shipping_country = $order->get_shipping_country();
								if( strlen( $temp_shipping_country ) > 0 ) {
									$shipping_country = $temp_shipping_country;
								}
							} else {
								// Woocommerce before version 3.0
								if( $registered_customers ) {
									$user_id = get_post_meta( $order_id, '_customer_user', true );
									if( $user_id ) {
										$user = get_user_by( 'id', $user_id );
										if( $user ) {
											$customer_email = $user->user_email;
										} else {
											$customer_email = get_post_meta( $order_id, '_billing_email', true );
										}
									} else {
										$customer_email = get_post_meta( $order_id, '_billing_email', true );
									}
								} else {
									$customer_email = get_post_meta( $order_id, '_billing_email', true );
								}
								$customer_first_name = get_post_meta( $order_id, '_billing_first_name', true );
								$customer_last_name = get_post_meta( $order_id, '_billing_last_name', true );
								$order_date = date_i18n( 'd.m.Y', strtotime( $order->order_date ) );
								$order_currency = $order->get_order_currency();
								$temp_shipping_country = get_post_meta( $order_id, '_shipping_country', true );
								if( strlen( $temp_shipping_country ) > 0 ) {
									$shipping_country = $temp_shipping_country;
								}
							}

$data = array(
								'licenseKey' => $license_key,
								'shopDomain' => Ivole_Email::get_blogurl(),
								'referralSession' => $referral_session,
								'order' => array( 'id' => strval( $order_id ),
									'customer' => array( 'firstname' => $customer_first_name,
										'lastname' => $customer_last_name ),
									'date' => $order_date,
									'currency' => $order_currency,
								 	'country' => $shipping_country,
								 	'total' => $order->get_total() )
							);
							$api_url = 'https://api.cusrev.com/v1/production/referral';
							$data_string = json_encode( $data );
							//error_log( $data_string );
							$ch = curl_init();
							curl_setopt( $ch, CURLOPT_URL, $api_url );
							curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true );
							curl_setopt( $ch, CURLOPT_CUSTOMREQUEST, "POST" );
							curl_setopt($ch, CURLOPT_POSTFIELDS, $data_string);
							curl_setopt( $ch, CURLOPT_HTTPHEADER, array(
								'Content-Type: application/json',
								'Content-Length: ' . strlen( $data_string ) )
							);
							$result = curl_exec( $ch );
						}
					}
				}
			}
		}

public function referral_session( $qvars ) {
			$qvars[] = 'referral_session';
    	return $qvars;
		}

public function check_referral( $wp_query ) {
			$referral_session = get_query_var( 'referral_session', '' );
			$expires = 30 * 24 * 60 * 60; // 30 days
			$domain = defined( 'COOKIE_DOMAIN' ) ? COOKIE_DOMAIN : parse_url( get_option( 'siteurl' ), PHP_URL_HOST );

if( $referral_session ) {
				//error_log( print_r( $referral_session, true ) );
				setcookie( 'cr_referral_session', strval( $referral_session ), array(
					'expires' => time() + $expires,
					'path' => '/',
					'domain' => $domain,
					'samesite' => 'Lax' )
				);
			}
		}

public function update_order_meta( $order_id, $data ) {
			if( $order_id ) {
				if( isset( $_COOKIE['cr_referral_session'] ) ) {
					// If the referral cookie is present, save it as a meta field in the order
					//error_log( print_r( $_COOKIE['cr_referral_session'], true ) );
					update_post_meta( $order_id, '_cr_referral_session', sanitize_text_field( $_COOKIE['cr_referral_session'] ) );
				}
			}
		}
	}

endif;