functions - Need help adding currency conversion to this code

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I found some code here: / that prevents wholesale customers from putting in an order unless they satisfy a minimum cart amount. The problem is that if I change my site's currency from USD to CAD, for example, the threshold in CAD is lower than the USD equivalent because $250 CAD is only ~$183 USD. The opposite would be true for EUR. $250 USD would be ~267 EUR.

This is the cart page code for cart-totals.php file:

   <div class="wc-proceed-to-checkout"> <?php
   //Get current user and check the user role.

   $current_screen_user = wp_get_current_user();

// In my scenario “wholesale_buyer” is the user role for which I want this validation. You can add your user roles.

    if( in_array( 'wholesale_buyer', $current_screen_user->roles ) ) {

      $minimum = 50; // Set the minimum amt.
      $cart_amt = WC()->cart->subtotal; // cart sub_total, this is actual total excluding discounts and shipping.

                if ( $cart_amt < $minimum ) {
          if( is_cart() ) {
        //Added notices for cart page.
              wc_print_notice(
                  sprintf( 'You must have an order with a minimum of %s to place your order, your current order total is %s.' ,
                      wc_price( $minimum ),
                      wc_price( $cart_amt )
                  ), 'error'
              );
          } else {
        //Added notice msg for checkout page.

              wc_add_notice(
                  sprintf( 'You must have an order with a minimum of %s to place your order, your current order total is %s.' ,
                      wc_price( $minimum ),
                      wc_price( $cart_amt)
                  ), 'error'
              );
          }
      } else {
          do_action( 'woocommerce_proceed_to_checkout' );
      }
    } else {
      do_action( 'woocommerce_proceed_to_checkout' );
    }
    ?>
   </div>

This is the checkout page code that goes into function.php or in my case gets added to my snippets plugin:

<?php
add_action( 'woocommerce_checkout_process', 'wdm_wu_minimum_order_amount' );

function wdm_wu_minimum_order_amount() {

    $current_screen_user = wp_get_current_user();
    if( in_array( 'wholesale_buyer', $current_screen_user->roles ) ) {

      $minimum = 50;

    if ( WC()->cart->subtotal < $minimum ) {
       if( is_cart() ) {
           wc_print_notice(
               sprintf( 'You must have an order with a minimum of %s to place your order, your current order total is %s.' ,

                   wc_price( $minimum ),
                   wc_price( WC()->cart->subtotal )
               ), 'error'
           );

       } else {
           wc_add_notice(
               sprintf( 'You must have an order with a minimum of %s to place your order, your current order total is %s.' ,

                   wc_price( $minimum ),
                   wc_price( WC()->cart->subtotal )

               ), 'error'
           );
       } } } }

本文标签： functionsNeed help adding currency conversion to this code