Woo commerce required minimum quantity to purchase products

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Here is the code to restrict user to purchase minimum quantity of products. Below is the code to be add into theme functions.php file:

add_action( 'woocommerce_check_cart_items', 'required_min_cart_subtotal_amount' );
function required_min_cart_subtotal_amount() {
    $q=0;
    foreach ( WC()->cart->get_cart() as $cart_item_key => $cart_item ) {
        $q = $q + $cart_item['quantity'];
    }
 if($q < 24) {
// Display an error message if quantity is less than 24
?>
<script>
    jQuery(document).ready(function(){
        jQuery('.checkout-button').css('opacity','0.5');
        jQuery('.checkout-button').css('pointer-events','none');
    });
</script>
<?php
        wc_add_notice( '<strong>' . sprintf( __("A minimum total quantity of 24 is required to checkout.") ) . '<strong><a href="/shop">SHOP NOW!</a>', 'error' );
    }
}

Below is the javascript code to be added in theme javascript file so that page will refresh after quantity update on cart page:

jQuery( function($){
  $(document.body).on(‘updated_cart_totals’, function () {
      // Get the formatted cart total
      window.location.reload();
  });
});