Percentage error strings for Mix and Match

percentage-error-strings-for-mnm.php

/**
 * Modify the MNM Javascript error strings
 * 
 * @param  array 
 * @return array
 */
function kia_mnm_add_to_cart_params( $args ) {
	$args['i18n_percentage_message']             = __( 'Your bag is %s percent full.', 'your-text-domain' );
	$args['i18n_percentage_error']               = __( '%v Please continue to 100 percent.', 'your-text-domain' );
	return $args;
}
add_filter( 'woocommerce_mnm_add_to_cart_parameters', 'kia_mnm_add_to_cart_params' );


/**
 * Change error message to be percentage based.
 * 
 * @return void
 */
function kia_percentage_based_validation() { ?>

<script type="text/javascript">

	jQuery(document).ready(function($) {

		$( '.mnm_form' ).on( 'wc-mnm-validation', function( event, container, total_qty ) {
			
			percent_full = 0;
			max_container_size = container.$mnm_data.data( 'max_container_size' );

			if( max_container_size !== 'undefined' && max_container_size > 0 ) {
				percent_full = wc_mnm_number_format( total_qty / max_container_size * 100 );
			}

			if( percent_full != 100 ) {
				container.reset_messages();
				percent_message = wc_mnm_params.i18n_percentage_message.replace( '%s', percent_full );
				container.add_message( wc_mnm_params.i18n_percentage_error.replace( '%v', percent_message ), 'error' );
			}

		} );

	} );

</script>

<?php }
add_action( 'woocommerce_mix-and-match_add_to_cart', 'kia_percentage_based_validation' );