function.php backup

<?php

/*** Child Theme Function  ***/

function depot_mikado_child_theme_enqueue_scripts() {
	$parent_style = 'depot_mikado_default_style';

	wp_enqueue_style($parent_style, get_template_directory_uri() . '/style.css');

	wp_enqueue_style('depot_mikado_child_style',
		get_stylesheet_directory_uri() . '/style.css',
		array($parent_style),
		wp_get_theme()->get('Version')
	);
}

add_action( 'wp_enqueue_scripts', 'depot_mikado_child_theme_enqueue_scripts' );


// Register and load the widget
function wwpb_load_widget() {
    register_widget( 'wwpb_widget' );
}
add_action( 'widgets_init', 'wwpb_load_widget' );

// Creating the widget
class wwpb_widget extends WP_Widget {

function __construct() {
parent::__construct(

// Base ID of your widget
'wwpb_widget',

// Widget name will appear in UI
__('Add redemption codes', 'wwpb_widget_domain'),

// Widget description
array( 'description' => __( 'Admin link to add redemption codes', 'wwpb_widget_domain' ), )
);
}

// Creating widget front-end
 public function widget( $args, $instance ) {

  echo $args['before_widget']; ?>



<div class="mkd-shopping-cart-holder mkd-cart-info-is-active"  style="display: table-cell; min-height: 97px;" >

<div class="mkd-shopping-cart">


<a class="mkd-header-cart" href="<?php echo esc_url( home_url( '/product-category/admin/' ) ); ?>">
<span class="mkd-cart-icon-text">REDEMPTION CODES</span>
</a>




		</div>

		</div>

  <?php echo $args['after_widget'];
}

// Widget Backend
public function form( $instance ) {
if ( isset( $instance[ 'title' ] ) ) {
$title = $instance[ 'title' ];
}
else {
$title = __( 'New title', 'wpb_widget_domain' );
}
// Widget admin form
?>
<p>
<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?></label>
<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>" />
</p>
<?php
}

// Updating widget replacing old instances with new
public function update( $new_instance, $old_instance ) {
$instance = array();
$instance['title'] = ( ! empty( $new_instance['title'] ) ) ? strip_tags( $new_instance['title'] ) : '';
return $instance;
}
} // Class wpb_widget ends here



// Register and load the widget
function wpb_load_widget() {
    register_widget( 'wpb_widget' );
}
add_action( 'widgets_init', 'wpb_load_widget' );

// Creating the widget
class wpb_widget extends WP_Widget {

function __construct() {
parent::__construct(

// Base ID of your widget
'wpb_widget',

// Widget name will appear in UI
__('Redemption Codes', 'wpb_widget_domain'),

// Widget description
array( 'description' => __( 'Display redemption codes', 'wpb_widget_domain' ), )
);
}

// Creating widget front-end
 public function widget( $args, $instance ) {

  echo $args['before_widget']; ?>



<div class="mkd-shopping-cart-holder mkd-cart-info-is-active" style="padding: 35px;">

<div class="mkd-shopping-cart">


<a class="mkd-header-cart" href="<?php echo esc_url( home_url( '/' ) ); ?>">
<span class="mkd-cart-icon-text">MY ACCOUNT</span>
</a>



		<div class="mkd-shopping-cart-dropdown">

			<ul id="nav_voucher">
			<?php do_action("giftbal"); ?>
			</ul>

			<div class="mkd-cart-bottom" style="padding: 0px 25px 20px 25px; height: auto;">



 <div class="mkd-btn-holder clearfix" style="margin-top: -15px !important;">

                                    <a itemprop="url" href="<?php echo esc_url( home_url( '/customer-logout' ) ); ?>" class="mkd-view-cart" data-title="LOGOUT" style="border: 1px solid #7b7b7b;"><span>LOGOUT</span></a>
                                </div>

					</div>




		</div>
		</div>

		</div>

  <?php echo $args['after_widget'];
}

// Widget Backend
public function form( $instance ) {
if ( isset( $instance[ 'title' ] ) ) {
$title = $instance[ 'title' ];
}
else {
$title = __( 'New title', 'wpb_widget_domain' );
}
// Widget admin form
?>
<p>
<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?></label>
<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>" />
</p>
<?php
}

// Updating widget replacing old instances with new
public function update( $new_instance, $old_instance ) {
$instance = array();
$instance['title'] = ( ! empty( $new_instance['title'] ) ) ? strip_tags( $new_instance['title'] ) : '';
return $instance;
}
} // Class wpb_widget ends here





function authorize_less($available_gateways) {
    $maximum = 0;
    if ( WC()->cart->total < $maximum ) {
    unset( $available_gateways['authorizenet'] );
    }
    return $available_gateways;
}
add_filter( 'woocommerce_available_payment_gateways', 'authorize_less');
add_action( 'woocommerce_cart_calculate_fees' , 'authorize_less' );
add_action( 'woocommerce_after_cart_item_quantity_update', 'authorize_less' );



function authorize_more($available_gateways) {
    $maximum = 0;
    if ( WC()->cart->total > $maximum ) {
    unset( $available_gateways['cod'] );
    }
    return $available_gateways;
}
add_filter( 'woocommerce_available_payment_gateways', 'authorize_more');
add_action( 'woocommerce_cart_calculate_fees' , 'authorize_more' );
add_action( 'woocommerce_removed_coupon', 'authorize_more' );







add_action('pre_get_posts', 'wpse223576_search_woocommerce_only');

function wpse223576_search_woocommerce_only( $query ) {
  if( ! is_admin() && is_search() && $query->is_main_query() ) {
    $query->set( 'post_type', 'product' );
  }
}


add_action('init', 'woocommerce_clear_cart_url');
function woocommerce_clear_cart_url() {
    global $woocommerce;
    if( isset($_REQUEST['clear-cart']) ) {
        $woocommerce->cart->empty_cart();
    }
}






function iconic_bypass_logout_confirmation() {
    global $wp;

    if ( isset( $wp->query_vars['customer-logout'] ) ) {
        wp_redirect( str_replace( '&amp;', '&', wp_logout_url( wc_get_page_permalink( 'myaccount' ) ) ) );
        exit;
    }
}

add_action( 'template_redirect', 'iconic_bypass_logout_confirmation' );



function cart_update_script() {
    if (is_checkout()) :
    ?>
    <script>
		jQuery( function( $ ) {

			// woocommerce_params is required to continue, ensure the object exists
			if ( typeof woocommerce_params === 'undefined' ) {
				return false;
			}

			$checkout_form = $( 'form.checkout' );

			$checkout_form.on( 'change', 'input[name="payment_method"]', function() {
					$checkout_form.trigger( 'update' );
			});


		});
    </script>
    <?php
    endif;
}
add_action( 'wp_footer', 'cart_update_script', 999 );





// WooCommerce Rename Checkout Fields
add_filter( 'woocommerce_checkout_fields' , 'custom_rename_wc_checkout_fields' );

// Change placeholder and label text
function custom_rename_wc_checkout_fields( $fields ) {
$fields['shipping']['shipping_address_2']['label'] = '<i style="font-size: 12px;">For proper delivery, PO Box not accepted</i>';
return $fields;
}


// rename the "Have a Coupon?" message on the checkout page
function woocommerce_rename_coupon_message_on_checkout() {
	return 'Have a redemption code?' . ' <a href="#" class="showcoupon">' . __( 'Click here to enter your code', 'woocommerce' ) . '</a>';
}
add_filter( 'woocommerce_checkout_coupon_message', 'woocommerce_rename_coupon_message_on_checkout' );
// rename the coupon field on the checkout page
function woocommerce_rename_coupon_field_on_checkout( $translated_text, $text, $text_domain ) {
	// bail if not modifying frontend woocommerce text
	if ( is_admin() || 'woocommerce' !== $text_domain ) {
		return $translated_text;
	}
	if ( 'Coupon code' === $text ) {
		$translated_text = 'Redemption Code';

	} elseif ( 'Apply Coupon' === $text ) {
		$translated_text = 'Apply Code';
	}
	return $translated_text;
}
add_filter( 'gettext', 'woocommerce_rename_coupon_field_on_checkout', 10, 3 );



function my_wp_nav_menu_args( $args = '' ) {

if( is_user_logged_in() ) {
    $args['menu'] = 'main-menu-header';
} else {
    $args['menu'] = 'main';
}
    return $args;
}
add_filter( 'wp_nav_menu_args', 'my_wp_nav_menu_args' );



add_action( 'woocommerce_order_status_processing', 'coupon_email_restriction_on_purchase', 20, 2 );
function coupon_email_restriction_on_purchase( $order_id, $order ) {
    $applied_coupons = $order->get_used_coupons();
    if( count( $applied_coupons ) == 0 )
        return; // Exit if there is no coupons

    // Get the Customer billing email
    $customer_email = $order->get_billing_email();

    foreach( $applied_coupons as $coupon_code ){
        // Get an instance of the WC_Coupon object
        $coupon = new WC_Coupon( $coupon_code );

        // Get email restrictions (even if is an empty array)
        $email_restrictions = $coupon->get_email_restrictions();
        // Add the customer email to the restrictions array
        $email_restrictions[] = $customer_email;
        // set the new array of email restrictions
        $coupon->set_email_restrictions( $email_restrictions );

        // Save the coupon data
        $coupon->save();
    }
}


add_filter( 'woocommerce_cart_subtotal', 'bbloomer_slash_cart_subtotal_if_discount', 99, 3 );

function bbloomer_slash_cart_subtotal_if_discount( $cart_subtotal, $compound, $obj ){
global $woocommerce;
if ( WC()->cart->total > 0 ) {
$new_cart_subtotal = wc_price( WC()->cart->subtotal - $woocommerce->cart->get_cart_discount_tax_total() - $woocommerce->cart->get_cart_discount_total() );
$cart_subtotal = sprintf( '<del>%s</del> <b>%s</b>', $cart_subtotal , $new_cart_subtotal );
}
return $cart_subtotal;

}





function wpse_131562_redirect() {
    if (
        ! is_user_logged_in()
        && (is_woocommerce() || is_cart() || is_checkout())
    ) {
        // feel free to customize the following line to suit your needs
        wp_redirect(home_url());
        exit;
    }
}
add_action('template_redirect', 'wpse_131562_redirect');



if (!function_exists('depot_mikado_woocommerce_cart_back_to_home')) {
	function depot_mikado_woocommerce_cart_back_to_home(){
		print '<a class="mkd-cart-go-back" itemprop="url" href="' . esc_url(home_url('/shop')) . '">' . esc_html__('Continue shopping', 'depot') . '</a>';
	}
}





function wooc_extra_register_fields() {
    ?>

    <p class="form-row form-row-wide">
    <label for="reg_billing_phone"><?php _e( 'Phone', 'woocommerce' ); ?> <span class="required">*</span></label>
    <input type="text" class="input-text" name="billing_phone" id="reg_billing_phone" value="" />



    <?php
}

add_action( 'woocommerce_register_form_start', 'wooc_extra_register_fields' );
add_action( 'woocommerce_edit_account_form', 'wooc_extra_register_fields');



/**
 * Validate the extra register fields.
 *
 * @param  string $username          Current username.
 * @param  string $email             Current email.
 * @param  object $validation_errors WP_Error object.
 *
 * @return void
 */
function wooc_validate_extra_register_fields( $username, $email, $validation_errors ) {


    if ( isset( $_POST['billing_phone'] ) && empty( $_POST['billing_phone'] ) ) {
        $validation_errors->add( 'billing_phone_error', __( '<strong>Error</strong>: Phone is required!.', 'woocommerce' ) );
    }
}

add_action( 'woocommerce_register_post', 'wooc_validate_extra_register_fields', 10, 3 );
add_action( 'woocommerce_edit_account_form', 'wooc_validate_extra_register_fields', 10, 3 );

/**
 * Save the extra register fields.
 *
 * @param  int  $customer_id Current customer ID.
 *
 * @return void
 */
function wooc_save_extra_register_fields( $customer_id ) {


    if ( isset( $_POST['billing_phone'] ) ) {
        // WooCommerce billing phone
        update_user_meta( $customer_id, 'billing_phone', sanitize_text_field( $_POST['billing_phone'] ) );
    }
}

add_action( 'woocommerce_created_customer', 'wooc_save_extra_register_fields' );
add_action( 'woocommerce_save_account_details', 'wooc_save_extra_register_fields' );



function custom_scripts() {
    wp_enqueue_script( 'cust-js', get_stylesheet_directory_uri() . '/custom.js', array('jquery'), '20180101', true );
}
// add_action( 'wp_enqueue_scripts', 'custom_scripts' );



// @to-do potential starting point for tax work below commented out
// https://docs.woocommerce.com/wc-apidocs/class-WC_Cart.html
//
// We want to apply taxable percentage to only remaining ammount if a
// coupon is used on a transaction.
// 1) Get coupon\s total
// 2) Get subtotal
// 3) Adjust new total to be minus coupon ammount
// 4) If a positive value tax that amount
// 5) Update/return
//
//add_action( 'woocommerce_calculate_totals', 'custom_cart_calculate_totals', 10, 1 );
function custom_cart_calculate_totals( $cart_object  ) {

    if ( !WC()->cart->is_empty() ){
      // check for whatever flags the taxes to be applied
      $flagForTaxes = true; // set to true for testing
      if($flagForTaxes){
        // get total of coupons
        $coupons  = WC()->cart->get_coupon_discount_totals();
        $subtotal = WC()->cart->get_subtotal();
        $shipping = WC()->cart->get_shipping_total();
        // $total    = ($subtotal - $coupons);
        // WC()->cart->set_total(1.11);
        // return $total;
      }
    }
}





$new_cart_subtotal = wc_price( WC()->cart->subtotal - $woocommerce->cart->get_cart_discount_total() );




//add_filter( 'woocommerce_cart_total', 'bbloomer_slash_cart_subtotal_if_discount', 99, 3 );

function bbloomer_slash_cart_subtotal_if_discount( $cart_subtotal, $compound, $obj ){
global $woocommerce;
if ( WC()->cart->total > 0 ) {
$new_cart_subtotal =  $woocommerce->cart->subtotal - $woocommerce->cart->get_cart_discount_total() ;
$cart_subtotal = sprintf( '<del>%s</del> <b>%s</b>', $cart_subtotal , $new_cart_subtotal );
}
return $cart_subtotal;
}



add_filter( 'woocommerce_cart_total', 'bbloomer_slash_cart_subtotal_if_discount', 99, 3 );

function bbloomer_slash_cart_subtotal_if_discount( $cart_subtotal, $compound, $obj ){
global $woocommerce;
if ( !WC()->cart->is_empty() ) {
$new_cart_subtotal =  $woocommerce->cart->subtotal - $woocommerce->cart->get_cart_discount_total() ;
$cart_total = $new_cart_subtotal;
}
return $cart_total;
}




function authorize_more($available_gateways) {
    $maximum = 0;
    if ( WC()->cart->total > $maximum ) {
    unset( $available_gateways['cod'] );
    }
    return $available_gateways;
}
add_filter( 'woocommerce_available_payment_gateways', 'authorize_more');
add_action( 'woocommerce_cart_calculate_fees' , 'authorize_more' );
add_action( 'woocommerce_removed_coupon', 'authorize_more' );

function authorize_less($available_gateways) {
    $maximum = 0;
    if ( WC()->cart->total < $maximum ) {
    unset( $available_gateways['authorizenet'] );
    }
    return $available_gateways;
}
add_filter( 'woocommerce_available_payment_gateways', 'authorize_less');
add_action( 'woocommerce_cart_calculate_fees' , 'authorize_less' );
add_action( 'woocommerce_after_cart_item_quantity_update', 'authorize_less' );





add_filter( 'woocommerce_cart_total', 'bbloomer_slash_cart_subtotal_if_discount', 99, 3 );

function bbloomer_slash_cart_subtotal_if_discount( $cart_subtotal, $compound, $obj ){
global $woocommerce;
if ( !WC()->cart->is_empty() ) {
$new_cart_subtotal =  $woocommerce->cart->subtotal - $woocommerce->cart->get_cart_discount_total();
$cart_total = $woocommerce->cart->get_cart_discount_total();
}
return $cart_total;
}