[WooCommerce Snippets] helpful snippets for WooCommerce development #woo

add-custom-fee-to-cart.php

function woo_add_cart_fee() {

	global $woocommerce;
	
	if ( is_cart() ) {
		$woocommerce->cart->add_fee( __('Custom', 'woocommerce'), 5 );
	}
	
}
add_action( 'woocommerce_before_cart_table', 'woo_add_cart_fee' );

change-price.php

add_filter('woocommerce_get_price_html', 'soli_change_price_in_loop', 10, 2);
function soli_change_price_in_loop($price, $product){
    if(is_shop() && !is_admin()){
        $discount_price = get_post_meta($product->id, 'discount_price_new', true);
        $actual_price = $product->get_price();
        if($discount_price){
            $price_html = '<div class="soli-new-price">';
            $price_html .= '<div class="prow"><span>Medlemspris</span><span>'.wc_price($discount_price).'</span></div>';
            $price_html .= '<div class="prow grey"><span>Normalpris</span><span>'.wc_price($actual_price).'</span></div>';
            $price_html .= '</div>';
            return $price_html;
        } else {
            return $price;
        }
    } else {
        return $price;
    }
}

customize-single-product-tabs.php

//diable all tabs.
function woo_remove_product_tab($tabs) {
    unset( $tabs['description'] );      		// Remove the description tab
    unset( $tabs['reviews'] ); 					// Remove the reviews tab
    unset( $tabs['additional_information'] );  	// Remove the additional information tab
 	return $tabs;
}
add_filter( 'woocommerce_product_tabs', 'woo_remove_product_tab', 98);

//rename a tab
add_filter( 'woocommerce_product_tabs', 'woo_rename_tab', 98);
function woo_rename_tab($tabs) {
  $tabs['description']['title'] = 'More info';
  return $tabs;
}

remove-payment-gateway-based-on-user-role.php

/**
 * @snippet       Disable WooCommerce Payment Gateway for a Specific User Role
 * @author        Misha Rudrastyh
 * @url           https://rudrastyh.com/woocommerce/disable-payment-gateway-by-user-role.html
 */
add_filter( 'woocommerce_available_payment_gateways', 'rudr_turn_off_cod' );
  
function rudr_turn_off_cod( $available_gateways ) {
	
	if( current_user_can( 'subscriber' ) ) {
		if ( isset( $available_gateways[ 'cod' ] ) ) {
			unset( $available_gateways[ 'cod' ] );
		}
		// if you need to disable multiple payment gateways just add similar code
		// if ( isset( $available_gateways[ 'payment_gateway_2' ] ) ) {
		//		unset( $available_gateways[ 'payment_gateway_2' ] );
		// }
	}

	return $available_gateways;
}

set-custom-add-to-cart-message.php

add_filter( 'woocommerce_add_to_cart_message', 'custom_add_to_cart_message' );
function custom_add_to_cart_message() {
	global $woocommerce;
	if (get_option('woocommerce_cart_redirect_after_add')=='yes') :
		$return_to 	= get_permalink(woocommerce_get_page_id('shop'));
		$message 	= sprintf('<a href="%s" class="button">%s</a> %s', $return_to, __('Continue Shopping →', 'woocommerce'), __('Product successfully added to your cart.', 'woocommerce') );
	else :
		$message 	= sprintf('<a href="%s" class="button">%s</a> %s', get_permalink(woocommerce_get_page_id('cart')), __('View Cart →', 'woocommerce'), __('Product successfully added to your cart.', 'woocommerce') );
	endif;
	return $message;
}

show-free-shipping-only-when-available.php

add_filter( 'woocommerce_available_shipping_methods', 'hide_all_shipping_when_free_is_available' , 10, 1 );
function hide_all_shipping_when_free_is_available( $available_methods ) {
 
  	if( isset( $available_methods['free_shipping'] ) ) :
		
		// Get Free Shipping array into a new array
		$freeshipping = array();
		$freeshipping = $available_methods['free_shipping'];
 
		// Empty the $available_methods array
		unset( $available_methods );
 
		// Add Free Shipping back into $avaialble_methods
		$available_methods = array();
		$available_methods[] = $freeshipping;
 
	endif;
 
	return $available_methods;
}

woocommerce-snippets.php

//add payment gateway to admin email
add_action( 'woocommerce_email_after_order_table', 'add_payment_method_to_admin_new_order', 15, 2 );
 
function add_payment_method_to_admin_new_order( $order, $is_admin_email ) {
  if ( $is_admin_email ) {
    echo '<p><strong>Payment Method:</strong> ' . $order->payment_method_title . '</p>';
  }
}

//Up-sells products per page / per line
remove_action( 'woocommerce_after_single_product_summary', 'woocommerce_upsell_display', 15 );
add_action( 'woocommerce_after_single_product_summary', 'woocommerce_output_upsells', 15 );
 
if ( ! function_exists( 'woocommerce_output_upsells' ) ) {
	function woocommerce_output_upsells() {
	    woocommerce_upsell_display( 3,3 ); // Display 3 products in rows of 3
	}
}

//remove product categories from shop page.
add_action( 'pre_get_posts', 'custom_pre_get_posts_query' );
function custom_pre_get_posts_query( $q ) {
	if ( ! $q->is_main_query() ) return;
	if ( ! $q->is_post_type_archive() ) return;
	
	if ( ! is_admin() && is_shop() && ! is_user_logged_in() ) {
 
		$q->set( 'tax_query', array(array(
			'taxonomy' => 'product_cat',
			'field' => 'slug',
			'terms' => array( 'color', 'flavor', 'spices', 'vanilla' ), // Don't display products in these categories on the shop page
			'operator' => 'NOT IN'
		)));
	
	}
	remove_action( 'pre_get_posts', 'custom_pre_get_posts_query' );
}

//translate any string
add_filter('gettext',  'translate_text');
add_filter('ngettext',  'translate_text');
 
function translate_text($translated) {
     $translated = str_ireplace('Choose and option',  'Select',  $translated);
     return $translated;
}

//add custom field to product variation
//Display Fields
add_action( 'woocommerce_product_after_variable_attributes', 'variable_fields', 10, 2 );
//JS to add fields for new variations
add_action( 'woocommerce_product_after_variable_attributes_js', 'variable_fields_js' );
//Save variation fields
add_action( 'woocommerce_process_product_meta_variable', 'variable_fields_process', 10, 1 );

function variable_fields( $loop, $variation_data ) { ?>	
	<tr>
		<td>
			<div>
					<label></label>
					<input type="text" size="5" name="my_custom_field[]" value=""/>
			</div>
		</td>
	</tr>

<tr>
		<td>
			<div>
					<label></label>
					
			</div>
		</td>
	</tr>
<?php }
 
function variable_fields_process( $post_id ) {
	if (isset( $_POST['variable_sku'] ) ) :
		$variable_sku = $_POST['variable_sku'];
		$variable_post_id = $_POST['variable_post_id'];
		$variable_custom_field = $_POST['my_custom_field'];
		for ( $i = 0; $i < sizeof( $variable_sku ); $i++ ) :
			$variation_id = (int) $variable_post_id[$i];
			if ( isset( $variable_custom_field[$i] ) ) {
				update_post_meta( $variation_id, '_my_custom_field', stripslashes( $variable_custom_field[$i] ) );
			}
		endfor;
	endif;
}

//Change out of stock to Sold
add_filter('woocommerce_get_availability', 'availability_filter_func');

function availability_filter_func($availability){
	$availability['availability'] = str_ireplace('Out of stock', 'Sold', $availability['availability']);
	return $availability;
}

//Say product already in cart instead of add to cart.
/**
 * Change the add to cart text on single product pages
 */
add_filter( 'woocommerce_product_single_add_to_cart_text', 'woo_custom_cart_button_text' );

function woo_custom_cart_button_text() {

	global $woocommerce;
	
	foreach($woocommerce->cart->get_cart() as $cart_item_key => $values ) {
		$_product = $values['data'];
	
		if( get_the_ID() == $_product->id ) {
			return __('Already in cart - Add Again?', 'woocommerce');
		}
	}
	
	return __('Add to cart', 'woocommerce');
}

/**
 * Change the add to cart text on product archives
 */
add_filter( 'add_to_cart_text', 'woo_archive_custom_cart_button_text' );

function woo_archive_custom_cart_button_text() {

	global $woocommerce;
	
	foreach($woocommerce->cart->get_cart() as $cart_item_key => $values ) {
		$_product = $values['data'];
	
		if( get_the_ID() == $_product->id ) {
			return __('Already in cart', 'woocommerce');
		}
	}
	
	return __('Add to cart', 'woocommerce');
}




//Shortcodes for all sale products
function woocommerce_sale_products( $atts ) {

    global $woocommerce_loop;

    extract(shortcode_atts(array(
        'per_page'  => '12',
        'columns'   => '4',
        'orderby' => 'date',
        'order' => 'desc'
    ), $atts));

    $woocommerce_loop['columns'] = $columns;

    $args = array(
        'post_type' => 'product',
        'post_status' => 'publish',
        'ignore_sticky_posts'   => 1,
        'posts_per_page' => $per_page,
        'orderby' => $orderby,
        'order' => $order,
        'meta_query' => array(
            array(
                'key' => '_visibility',
                'value' => array('catalog', 'visible'),
                'compare' => 'IN'
            ),
            array(
                'key' => '_sale_price',
                'value' =>  0,
                'compare'   => '>',
                'type'      => 'NUMERIC'
            )
        )
    );
    query_posts($args);
    ob_start();
    woocommerce_get_template_part( 'loop', 'shop' );
    wp_reset_query();

    return ob_get_clean();
}

add_shortcode('sale_products', 'woocommerce_sale_products');

//check weather the shop have sale products
function woo_have_onsale_products() {
	
	global $woocommerce;

	// Get products on sale
	$product_ids_on_sale = array_filter( woocommerce_get_product_ids_on_sale() );

	if( !empty( $product_ids_on_sale ) ) {
		return true;
	} else {
		return false;
	}
	
}

// Example:
if( woo_have_onsale_products() ) {
	echo 'have onsale products';
} else {
	echo 'no onsale product';
}


//Set minimum order amount
add_action( 'woocommerce_checkout_process', 'wc_minimum_order_amount' );
function wc_minimum_order_amount() {
	global $woocommerce;
	$minimum = 50;
	if ( $woocommerce->cart->get_cart_total(); < $minimum ) {
           $woocommerce->add_error( sprintf( 'You must have an order with a minimum of %s to place your order.' , $minimum ) );
	}
}

//replace paypal logo
function paypal_checkout_icon() {
 return 'https://www.paypalobjects.com/webstatic/mktg/logo-center/logo_betalen_met_paypal_nl.jpg'; // write your own image URL here
}
add_filter( 'woocommerce_paypal_icon', 'paypal_checkout_icon' );

//Remove products from breadcrumbs
function woo_custom_filter_breadcrumbs_trail ( $trail ) {
  foreach ( $trail as $k => $v ) {
    if ( strtolower( strip_tags( $v ) ) == 'products' ) {
      unset( $trail[$k] );
      break;
    }
  }

  return $trail;
}
add_filter( 'woo_breadcrumbs_trail', 'woo_custom_filter_breadcrumbs_trail', 10 );

//auto add product to cart
function add_product_to_cart() {
	if ( ! is_admin() ) {
		global $woocommerce;
		$product_id = 64;
		$found = false;
		//check if product already in cart
		if ( sizeof( $woocommerce->cart->get_cart() ) > 0 ) {
			foreach ( $woocommerce->cart->get_cart() as $cart_item_key => $values ) {
				$_product = $values['data'];
				if ( $_product->id == $product_id )
					$found = true;
			}
			// if product not found, add it
			if ( ! $found )
				$woocommerce->cart->add_to_cart( $product_id );
		} else {
			// if no products in cart, add it
			$woocommerce->cart->add_to_cart( $product_id );
		}
	}
}
add_action( 'init', 'add_product_to_cart' );

//Add custom currency symbol
add_filter( 'woocommerce_currencies', 'add_my_currency' );
 
function add_my_currency( $currencies ) {
     $currencies['ABC'] = __( 'Currency name', 'woocommerce' );
     return $currencies;
}
 
add_filter('woocommerce_currency_symbol', 'add_my_currency_symbol', 10, 2);
 
function add_my_currency_symbol( $currency_symbol, $currency ) {
     switch( $currency ) {
          case 'ABC': $currency_symbol = '$'; break;
     }
     return $currency_symbol;
}

//Change add to cart text.

/**
 * Change the add to cart text on single product pages
 */
function woo_custom_cart_button_text() {
	return __('My Button Text', 'woocommerce');
}
add_filter('single_add_to_cart_text', 'woo_custom_cart_button_text');



/**
 * Change the add to cart text on product archives
 */
function woo_archive_custom_cart_button_text() {
	return __( 'My Button Text', 'woocommerce' );
}
add_filter( 'add_to_cart_text', 'woo_archive_custom_cart_button_text' );

//Send email after a new order
function woo_email_order_coupons( $order_id ) {
        $order = new WC_Order( $order_id );
        
        if( $order->get_used_coupons() ) {
        
          $to = 'youremail@yourcompany.com';
	        $subject = 'New Order Completed';
	        $headers = 'From: My Name ' . "\r\n";
	        
	        $message = 'A new order has been completed.\n';
	        $message .= 'Order ID: '.$order_id.'\n';
	        $message .= 'Coupons used:\n';
	        
	        foreach( $order->get_used_coupons() as $coupon) {
		        $message .= $coupon.'\n';
	        }
	        @wp_mail( $to, $subject, $message, $headers );
        }
}
add_action( 'woocommerce_thankyou', 'woo_email_order_coupons' );