/**
* Add the field to the checkout
*/
add_filter( 'woocommerce_checkout_fields' , 'custom_override_checkout_fields' );
// Our hooked in function - $fields is passed via the filter!
function custom_override_checkout_fields( $fields ) {
$fields['billing']['my_field_name'] = array(
'label' => __('Codice medico', 'woocommerce'),
'placeholder' => _x('Inserisci il codice del tuo medico', 'placeholder', 'woocommerce'),
'required' => true,
'class' => array('form-row-wide'),
'clear' => true
);
return $fields;
}
/**
* Process the checkout
*/
add_action('woocommerce_checkout_process', 'my_custom_checkout_field_process');
function my_custom_checkout_field_process() {
// Check if set, if its not set add an error.
if ( isset($_POST['my_field_name']) && empty($_POST['my_field_name']) )
wc_add_notice( __( '<h4 style="color:red;">Stai acquistando un prodotto per cui è necessaria la prescrizione medica. Per favore inserisci il codice del tuo medico per proseguire. Grazie.</h4>' ), 'error' );
}
/**
* Update the order meta with field value
*/
add_action( 'woocommerce_checkout_update_order_meta', 'my_custom_checkout_field_update_order_meta' );
function my_custom_checkout_field_update_order_meta( $order_id ) {
if ( ! empty( $_POST['my_field_name'] ) ) {
update_post_meta( $order_id, 'Codice Medico', sanitize_text_field( $_POST['my_field_name'] ) );
}
}
/**
* Display field value on the order edit page
*/
add_action( 'woocommerce_admin_order_data_after_billing_address', 'my_custom_checkout_field_display_admin_order_meta', 10, 1 );
function my_custom_checkout_field_display_admin_order_meta($order){
echo '<p><strong>'.__('Codice Medico').':</strong> ' . get_post_meta( $order->id, 'Codice Medico', true ) . '</p>';
}
/* Adding Custom Fields to Emails
1. Add this snippet to your theme's functions.php file
2. Change the meta key names in the snippet
3. Create a custom field in the order post - e.g. key = "Tracking Code" value = abcdefg
4. When next updating the status, or during any other event which emails the user, they will see this field in their email
*/
add_filter('woocommerce_email_order_meta_keys', 'my_custom_order_meta_keys');
function my_custom_order_meta_keys( $keys ) {
$keys[] = 'Codice Medico'; // This will look for a custom field called 'Tracking Code' and add it to emails
return $keys;
}
/**
* Conditionally remove checkout fields
*/
add_filter( 'woocommerce_checkout_fields' , 'conditional_unset_checkout_field', 99, 1 );
function conditional_unset_checkout_field( $fields ) {
$categories = array( 'prodotti-in-polvere-e-bustine', 'gel-e-creme', 'prodotti-in-capsule', 'prodotti-plantari', 'prodotti-liquidi', 'area-riservata' );
$has_cat = false;
// Iterating through each cart items (products)
foreach(WC()->cart->get_cart() as $cart_item){
$categories_product = get_the_terms($cart_item['product_id'], 'product_cat');
foreach ($categories_product as $category_product){
if(in_array($category_product->slug, $categories)) {
$has_cat = true;
break;
}
}
if($has_cat)
break;
}
if ( !$has_cat ) {
unset( $fields['billing']['my_field_name'] );
}
return $fields;
}
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