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Add custom checkout fields, validate if payment method cheque is selected. Validate organisational numbers.
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| // 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>'; | |
| } |
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