Recalculate prices with filter

(@rgbear)

Hi I’m trying to apply a custom formula to all prices. I need to apply it to the starting price, so it will condition also sales prices.

function product_custom_price($price, $product) {
if ( ! is_page( 'cart' ) || ! is_cart() || ! is_checkout() || ! is_page( 'checkout' ) ) {
      //HERE I GET PRICES AND OTHER VAR
        $custom_price = $product->get_regular_price();
        $custom_sale_price = $product->get_sale_price();
        $my_current_lang = apply_filters( 'wpml_current_language', NULL );

        //HERE I DEFINE FEES
      $ssivata = 7.93;
        $ivaitaperprezzofabbrica = 122/100;
        $arrotondamento = 4/10;

      //HERE STARTS CONDITIONAL TO APPLY DIFFERENT FEES TO SPECIFIC WPML LANGUAGES
        if( $my_current_lang =='it' ) {
        $tax = 122/100;
        $shipping = 6.5;
        }
        if( $my_current_lang =='en' ) {
            $tax = 120/100;
            $shipping = 24;
        }
        if( $my_current_lang =='at' ) {
            $tax = 120/100;
            $shipping = 24;
        } ECC.....

      //CALCUATE THE PRICE WITH APPLIED FEES
        $custom_price1 = $custom_price - $ssivata;
        $custom_price2 = $custom_price1 / $ivaitaperprezzofabbrica;
        $custom_price3 = $custom_price2 + $shipping;
        $custom_price4 = $custom_price3 * $tax;
        $custom_price5 = ceil($custom_price4);
        return $custom_price5;
    }
}
//FILTERS TO MODIFY PRICES
add_filter('woocommerce_product_get_price', 'product_custom_price', 10, 2);
add_filter( 'woocommerce_product_variation_get_price', 'product_custom_price', 10, 2 );
add_filter( 'woocommerce_product_get_sale_price', 'product_custom_price', 10, 2 );

The problems are it overrides the sale prices with regular prices and it doesn’t change variation prices.

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Thread Starter

rgbear

(@rgbear)

7 years, 4 months ago

Even with a simpler formula, I don’t get any change in variable prices:


function adjust_lifetime_discount_price( $price ) {
	return $price * 2;
}
add_filter('woocommerce_product_get_regular_price', 'adjust_lifetime_discount_price' );
add_filter('woocommerce_product_variation_get_regular_price', 'adjust_lifetime_discount_price' );
add_filter('woocommerce_product_variation_get_price', 'adjust_lifetime_discount_price' );
add_filter( 'woocommerce_get_price', 'adjust_lifetime_discount_price' );

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