Validate House & street Number

validate-house-&-street-number.php

class WFACP_Custom_validate_snippet {


	private $billing_message = '<strong>Enter the House number in billing address.</strong>';
	private $shipping_message = '<strong>Enter the House number in shipping address</strong>';

	public function __construct() {
		add_action( 'wfacp_before_process_checkout_template_loader', [ $this, 'actions' ] );
		add_action( 'wfacp_internal_css', [ $this, 'add_js_validation' ] );
	}

	public function actions() {
		add_action( 'woocommerce_after_checkout_validation', [ $this, 'add_validation' ], 123, 2 );

	}


	public function add_validation( $data, $errors ) {
		$template = wfacp_template();


		if ( ! $template instanceof WFACP_Template_Common ) {
			return;
		}
		$billing_message  = $this->billing_message;
		$shipping_message = $this->shipping_message;

		$index = $template->get_shipping_billing_index();
		if ( $index == 'billing' ) {
			if ( $template->have_shipping_address() ) {
				$shipping_address_1 = $_POST['shipping_address_1'];

				if ( ! $this->number_present( $shipping_address_1 ) ) {
					$errors->add( 'error_1', $shipping_message, [ 'id' => 'shipping_h_no' ] );
				}
			}

			if ( $template->have_billing_address() && isset( $_REQUEST['billing_same_as_shipping'] ) ) {
				$billing_address_1 = $_POST['billing_address_1'];

				if ( ! $this->number_present( $billing_address_1 ) ) {
					$errors->add( 'error_2', $billing_message, [ 'id' => 'billing_h_no' ] );
				}

			}
		} else if ( $index == 'shipping' ) {
			if ( $template->have_billing_address() ) {
				$billing_address_1 = $_POST['billing_address_1'];
				if ( ! $this->number_present( $billing_address_1 ) ) {
					$errors->add( 'error_2', $billing_message, [ 'id' => 'billing_h_no' ] );
				}
			}
			if ( $template->have_shipping_address() && isset( $_REQUEST['ship_to_different_address'] ) ) {
				$shipping_address_1 = $_POST['shipping_address_1'];
				if ( ! $this->number_present( $shipping_address_1 ) ) {
					$errors->add( 'error_1', $shipping_message, [ 'id' => 'shipping_h_no' ] );
				}
			}
		} else {
			if ( $template->have_billing_address() && ! $template->have_shipping_address() ) {
				$billing_address_1 = $_POST['billing_address_1'];
				if ( ! $this->number_present( $billing_address_1 ) ) {
					$errors->add( 'error_2', $billing_message, [ 'id' => 'billing_h_no' ] );
				}
			} else if ( $template->have_shipping_address() && ! $template->have_billing_address() ) {
				$shipping_address_1 = $_POST['shipping_address_1'];
				if ( ! $this->number_present( $shipping_address_1 ) ) {
					$errors->add( 'error_1', $shipping_message, [ 'id' => 'shipping_h_no' ] );
				}
			}
		}
	}

	function number_present( $inputString ) {



		// Regular expressions to match numbers and strings
		$numberRegex = '/\b\d+\b/';
		$stringRegex = '/\b[A-Za-z]+\b/';

		// Initialize arrays to store matches
		$numbers = [];
		$strings = [];

		// Find all matches for numbers
		if ( preg_match_all( $numberRegex, $inputString, $matches ) ) {
			$numbers = $matches[0];
		}

		// Find all matches for strings
		if ( preg_match_all( $stringRegex, $inputString, $matches ) ) {
			$strings = $matches[0];
		}


        if(count($numbers)==0 || count($strings)==0){
            return false;

        }

		return (! empty( $numbers ) && ! empty( $strings ))?true:$this->extractAddressInfo($inputString);



	}
	function extractAddressInfo($address) {
		// Define a regular expression pattern to match Dutch addresses
		$pattern = '/^(.*?)(\d{1,5}[a-zA-Z]?)$/';

		// Perform the regular expression match
		if (preg_match($pattern, $address, $matches)) {
			// $matches[1] contains the street name
			// $matches[2] contains the house number
			$streetName = trim($matches[1]);
			$houseNumber = trim($matches[2]);

			return true;
		} else {
			// Return an error or handle the case where the address doesn't match the pattern
			return false;
		}
	}

	public function add_js_validation() {
		?>
        <script>
            window.addEventListener('load', function () {
                (function ($) {
                    $(document).ajaxComplete(function (event, jqxhr, settings) {
                        if (settings.url.includes("wc-ajax=checkout")) {
                            setTimeout(function () {
                                let shipping = $('li[data-id="shipping_h_no"]');
                                if (shipping.length > 0) {
                                    $('#shipping_address_1_field').removeClass('woocommerce-validated').addClass(' woocommerce-invalid woocommerce-invalid-required-field');
                                }
                                let billing = $('li[data-id="billing_h_no"]');
                                if (billing.length > 0) {
                                    $('#billing_address_1_field').removeClass('woocommerce-validated').addClass(' woocommerce-invalid woocommerce-invalid-required-field');
                                }
                            }, 200);
                        }
                    });

                    wfacp_frontend.hooks.addFilter('wfacp_field_validated', (validated, $this, $parent) => {
                        return validateField(validated, $this, $parent);
                    });

                    wfacp_frontend.hooks.addFilter('wfacp_field_error_message', (my_msg, el, input) => {
                        return sendErrorMessage(my_msg, el, input);
                    });

                    function validateField(validated, $this, $parent) {
                        var result = check_number_present($this);
                        if (null === result) {
                            $parent.removeClass('woocommerce-validated').addClass('woocommerce-invalid woocommerce-invalid-required-field');
                            validated = false;
                        }
                        return validated;
                    }

                    function sendErrorMessage(my_msg, $this, input) {
                        var result = check_number_present(input);
                        if (null === result) {
                            var field_label = "billing";
                            if (input.attr('id') == 'shipping_address_1') {
                                var field_label = "shipping";
                            }
                            my_msg = "Bitte füge deine Hausnummer hinzu." + field_label + " street address 1";
                        }
                        return my_msg;
                    }

                    function check_number_present(input) {
                        var result = true;
                        var address = input.val();
                        if ('' == address) {
                            return true;
                        }
                        if (input.attr('id') == 'billing_address_1') {
                            result = address.match(/\d+/g);

                            if (result != null && address == parseInt(address)) {
                                result = null;
                            }
                        } else if (input.attr('id') == 'shipping_address_1') {
                            result = address.match(/\d+/g);


                            if (result != null && address == parseInt(address)) {
                                result = null;
                            }
                        }
                        return result;
                    }
                })(jQuery)
            });
        </script>
		<?php
	}
}
new WFACP_Custom_validate_snippet();