php - WooCommerce dynamic minimum order amount based fee -


i need set minimum order fee in shopping cart if products in cart don't total more £10 fee applied bring price £10.

here code have @ moment works in cart phase when reach checkout pricing section doesn't stop loading reason , can't checkout, can help?

code functions.php:

function woocommerce_custom_surcharge() {   global $woocommerce;     if ( is_admin() && ! defined( 'doing_ajax' ) )         return;     $minimumprice = 10;     $currentprice = $woocommerce->cart->cart_contents_total;     $additionalfee = $minimumprice - $currentprice;     if ( $additionalfee >= 0 ) {         wc_print_notice(             sprintf( 'we have minimum %s per order. current order %s, additional fee applied @ checkout.' ,                 wc_price( $minimumprice ),                 wc_price( $currentprice )             ), 'error'         );         $woocommerce->cart->add_fee( 'minimum order adjustment', $additionalfee, true, '' );     } } add_action( 'woocommerce_cart_calculate_fees','woocommerce_custom_surcharge' );

the infinite loading spin issue facing due wc_print_notice() when it's used in woocommerce_cart_calculate_fees hook. it's seems bug.

if use instead wc_add_notice(), problem gone but notice displayed 2 times.

additionally have revisited code.the only solution split in 2 separated functions:

// notice in cart page add_action( 'woocommerce_cart_calculate_fees', 'add_custom_surcharge', 10, 1 ); function add_custom_surcharge( $cart_object ) {      if ( is_admin() && ! defined( 'doing_ajax' ) )         return;      $minimumprice = 100;     $currentprice = $cart_object->cart_contents_total;     $additionalfee = $minimumprice - $currentprice;      if ( $additionalfee >= 0 ) {         $cart_object->add_fee( 'minimum order adjustment', $additionalfee, true );          if( ! is_checkout() ){             $message = sprintf( __('we have minimum %s per order. current order %s, additional fee applied.', 'woocommerce'), wc_price( $minimumprice ), wc_price( $currentprice ) );             wc_print_notice( $message, 'error' );         }     } }  // notice in checkout page add_action( 'woocommerce_before_checkout_form', 'custom_surcharge_message', 10, 0 ); function custom_surcharge_message(  ) {     $cart_object = wc()->cart;     $minimumprice = 100;     $currentprice = $cart_object->cart_contents_total;     $additionalfee = $minimumprice - $currentprice;     if ( $additionalfee >= 0 ) {         $message = sprintf(             __('we have minimum %s per order. current order %s, additional fee applied.', 'woocommerce'),              wc_price( $minimumprice ), wc_price( $currentprice )         );         wc_print_notice( $message, 'error' );     } }

code goes in function.php file of active child theme (or theme) or in plugin file.

tested , works in woocommerce 3+


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