kosmiq/functions.php

## functions.php
// Remove if you're not checking the input in org_number
include_once( get_stylesheet_directory() . '/pnum.php'); // get from: https://github.com/gurre/php-personnummer/blob/master/pnum.php

add_action( 'woocommerce_after_checkout_billing_form', 'cheque_custom_checkout_field' );
function cheque_custom_checkout_field( $checkout ) {
    echo '<div id="cheque_custom_checkout_field"><h3>' . __('Fakturauppgifter') . '</h3>';
    woocommerce_form_field( 'org_number', array(
        'type'          => 'text',
        'class'         => array('org-number-field my-field-class form-row form-row-wide'),
        'label'         => __('Organisationsnummer'),
        'placeholder'   => __('123456-7890'),
        ), $checkout->get_value( 'org_number' ));
		woocommerce_form_field( 'reference', array(
        'type'          => 'text',
        'class'         => array('reference-field my-field-class form-row form-row-wide'),
        'label'         => __('Referens, beställarid'),
        'placeholder'   => __('Referens'),
        ), $checkout->get_value( 'reference' ));
        // Is this supposed to be there? Left over from code sent.
	echo '</div><h3>VAT</h3>';
}

add_action('woocommerce_checkout_process', 'cheque_custom_checkout_field_process');
function cheque_custom_checkout_field_process() {
	// Check if set, if its not set add an error.
	// Check if org_number is NOT set and payment method is cheque
	if ( !$_POST['org_number'] && ($_POST['payment_method'] == 'cheque')) {
		wc_add_notice( __( 'Fyll i <strong><span class="org-number-field-error">Organisationsnummer</span></strong> under fakturauppgifter.' ), 'error' );
	}
	// Check if org_number IS set and payment method is cheque and verify the input in org_number
	// Remove if you're not checking the input in org_number
	if ( $_POST['org_number'] && ($_POST['payment_method'] == 'cheque')) {
		if(Pnum::check($_POST['org_number'], $personal_only = false) == false)
			wc_add_notice( __( 'Något är fel med <strong><span class="org-number-field-error">Organisationsnummer</span></strong> under fakturauppgifter.' ), 'error' );
	}
	// Check if reference is NOT set and payment method is cheque
	if ( !$_POST['reference'] && ($_POST['payment_method'] == 'cheque')) {
		wc_add_notice( __( 'Fyll i <strong><span class="reference-field-error">Referens</span></strong> under fakturauppgifter.' ), 'error' );
	}
}

/**
 * Update the order meta with field value
 **/
add_action( 'woocommerce_checkout_update_order_meta', 'cheque_custom_checkout_field_update_order_meta' );
function cheque_custom_checkout_field_update_order_meta( $order_id ) {
	// If cheque is the selected payment method... Else do nothing here.
	if( ($_POST['payment_method'] == 'cheque') ) {
		//check if $_POST has our custom fields
		// is org_number set? If so save the data.
		if ( ! empty( $_POST['org_number'] ) ) {
			//It does: update post meta for this order
			update_post_meta( $order_id, 'Organisationsnummer', esc_attr( $_POST['org_number'] ) );
		}
		// is reference set? If so save the data.
		if ( ! empty( $_POST['reference'] ) ) {
			update_post_meta( $order_id, 'Referens', esc_attr( $_POST['reference'] ) );
		}
	}
}

add_action( 'woocommerce_admin_order_data_after_billing_address', 'my_custom_checkout_field_display_admin_order_meta', 10, 1 );
function my_custom_checkout_field_display_admin_order_meta($order){
	// Display whatever the customer entered into org_number and reference and display it when viewing an order.
	$payment_method = get_post_meta( $order->id, '_payment_method', true );
	if( $payment_method == 'cheque' ) {
		echo '<p><strong>'.__('Organisationsnummer').':</strong> ' . get_post_meta( $order->id, 'Organisationsnummer', true ) . '</p>';
		echo '<p><strong>'.__('Referens').':</strong> ' . get_post_meta( $order->id, 'Referens', true ) . '</p>';
	}
}

//add_action( 'wp_head', 'cheque_checkout_fields_jquery' ); //Output the script in <head></head>
add_action( 'wp_footer', 'cheque_checkout_fields_jquery', 999 ); // Output the script in <footer></footer>
function cheque_checkout_fields_jquery() {
	// jQuery for showing/hiding fields during checkout if cheque is the selected payment method.
	// Outputs into [above] but would ideally be placed in the themes main .js-file.
	echo '<script type="text/javascript">
	jQuery(function( $ ){
		$( "#order_review" ).on( "click", function() {
			var payment = $( "#order_review" ).find( "input[name=payment_method]:checked" );
			if( payment.is("#payment_method_cheque") ) {
				$("#cheque_custom_checkout_field").show(400);
			} else {
				$("#cheque_custom_checkout_field").hide(400);
			}
		});
	});
	</script>';
}
	// Remove if you're not checking the input in org_number
	include_once( get_stylesheet_directory() . '/pnum.php'); // get from: https://github.com/gurre/php-personnummer/blob/master/pnum.php

	add_action( 'woocommerce_after_checkout_billing_form', 'cheque_custom_checkout_field' );
	function cheque_custom_checkout_field( $checkout ) {
	echo '<div id="cheque_custom_checkout_field"><h3>' . __('Fakturauppgifter') . '</h3>';
	woocommerce_form_field( 'org_number', array(
	'type' => 'text',
	'class' => array('org-number-field my-field-class form-row form-row-wide'),
	'label' => __('Organisationsnummer'),
	'placeholder' => __('123456-7890'),
	), $checkout->get_value( 'org_number' ));
	woocommerce_form_field( 'reference', array(
	'type' => 'text',
	'class' => array('reference-field my-field-class form-row form-row-wide'),
	'label' => __('Referens, beställarid'),
	'placeholder' => __('Referens'),
	), $checkout->get_value( 'reference' ));
	// Is this supposed to be there? Left over from code sent.
	echo '</div><h3>VAT</h3>';
	}

	add_action('woocommerce_checkout_process', 'cheque_custom_checkout_field_process');
	function cheque_custom_checkout_field_process() {
	// Check if set, if its not set add an error.
	// Check if org_number is NOT set and payment method is cheque
	if ( !$_POST['org_number'] && ($_POST['payment_method'] == 'cheque')) {
	wc_add_notice( __( 'Fyll i <strong><span class="org-number-field-error">Organisationsnummer</span></strong> under fakturauppgifter.' ), 'error' );
	}
	// Check if org_number IS set and payment method is cheque and verify the input in org_number
	// Remove if you're not checking the input in org_number
	if ( $_POST['org_number'] && ($_POST['payment_method'] == 'cheque')) {
	if(Pnum::check($_POST['org_number'], $personal_only = false) == false)
	wc_add_notice( __( 'Något är fel med <strong><span class="org-number-field-error">Organisationsnummer</span></strong> under fakturauppgifter.' ), 'error' );
	}
	// Check if reference is NOT set and payment method is cheque
	if ( !$_POST['reference'] && ($_POST['payment_method'] == 'cheque')) {
	wc_add_notice( __( 'Fyll i <strong><span class="reference-field-error">Referens</span></strong> under fakturauppgifter.' ), 'error' );
	}
	}

	/**
	* Update the order meta with field value
	**/
	add_action( 'woocommerce_checkout_update_order_meta', 'cheque_custom_checkout_field_update_order_meta' );
	function cheque_custom_checkout_field_update_order_meta( $order_id ) {
	// If cheque is the selected payment method... Else do nothing here.
	if( ($_POST['payment_method'] == 'cheque') ) {
	//check if $_POST has our custom fields
	// is org_number set? If so save the data.
	if ( ! empty( $_POST['org_number'] ) ) {
	//It does: update post meta for this order
	update_post_meta( $order_id, 'Organisationsnummer', esc_attr( $_POST['org_number'] ) );
	}
	// is reference set? If so save the data.
	if ( ! empty( $_POST['reference'] ) ) {
	update_post_meta( $order_id, 'Referens', esc_attr( $_POST['reference'] ) );
	}
	}
	}

	add_action( 'woocommerce_admin_order_data_after_billing_address', 'my_custom_checkout_field_display_admin_order_meta', 10, 1 );
	function my_custom_checkout_field_display_admin_order_meta($order){
	// Display whatever the customer entered into org_number and reference and display it when viewing an order.
	$payment_method = get_post_meta( $order->id, '_payment_method', true );
	if( $payment_method == 'cheque' ) {
	echo '<p><strong>'.__('Organisationsnummer').':</strong> ' . get_post_meta( $order->id, 'Organisationsnummer', true ) . '</p>';
	echo '<p><strong>'.__('Referens').':</strong> ' . get_post_meta( $order->id, 'Referens', true ) . '</p>';
	}
	}

	//add_action( 'wp_head', 'cheque_checkout_fields_jquery' ); //Output the script in <head></head>
	add_action( 'wp_footer', 'cheque_checkout_fields_jquery', 999 ); // Output the script in <footer></footer>
	function cheque_checkout_fields_jquery() {
	// jQuery for showing/hiding fields during checkout if cheque is the selected payment method.
	// Outputs into [above] but would ideally be placed in the themes main .js-file.
	echo '<script type="text/javascript">
	jQuery(function( $ ){
	$( "#order_review" ).on( "click", function() {
	var payment = $( "#order_review" ).find( "input[name=payment_method]:checked" );
	if( payment.is("#payment_method_cheque") ) {
	$("#cheque_custom_checkout_field").show(400);
	} else {
	$("#cheque_custom_checkout_field").hide(400);
	}
	});
	});
	</script>';
	}