Untitled

add_filter('b2bking_applicable_rules_products', 'b2bking_discount_rules_sale_price', 10, 5);
function b2bking_discount_rules_sale_price($results, $rule_type, $product_id, $user_id, $categories_array){
    $rules = $results[0];
    if ($rule_type == 'discount_everywhere'){

        $user_id = get_current_user_id();
        $currentusergroupidnr = apply_filters('b2bking_b2b_group_for_pricing', b2bking()->get_user_group($user_id), $user_id, $product_id);

        $price_tiers = get_post_meta($product_id, 'b2bking_product_pricetiers_group_'.$currentusergroupidnr, true );
        if (empty($price_tiers)){
            $price_tiers = get_post_meta($product_id, 'b2bking_product_pricetiers_group_b2c', true );
        }
        $product = wc_get_product($product_id);
        $price_tiers = b2bking()->convert_price_tiers($price_tiers, $product);
        if (!empty($price_tiers)){

            // get cart qty of the product
            $quantity = 0;
            if (is_object( WC()->cart )){
                // particularly in the case of product addons / options, there is the following issue:
                // for customized products with various options, their IDs are the same, just meta data are different
                // by searching the first ID in cart and breaking the foreach, all we're doing is forcing all products to use the qty of the first instance.

                // if there are multiple instances of the item, let's add up all quantities
                $instances = 0;


                // for variable products, sum up variations
                $possible_parent_id = wp_get_post_parent_id($product_id);
                $sum_up_variations = 'no';
                if ($possible_parent_id !== 0){
                    $sum_up_variations = get_post_meta( $possible_parent_id, 'b2bking_tiered_sum_up_variations', true );
                }
                
                foreach( WC()->cart->get_cart() as $cart_item ){

                    if ( $product_id === $cart_item['product_id'] || $product_id === $cart_item['variation_id']){
                        $quantity = apply_filters('b2bking_cart_item_quantity_tiers', $cart_item['quantity'], $cart_item['variation_id'], $cart_item['product_id']);
                        $instances++;
                    }

                    if ($possible_parent_id !== 0 && $sum_up_variations === 'yes'){
                        // for variable products, sum up variations if enabled
                        if ( $possible_parent_id === $cart_item['product_id']){
                            $quantity = apply_filters('b2bking_cart_item_quantity_tiers', $cart_item['quantity'], $cart_item['variation_id'], $cart_item['product_id']);
                            $instances++;
                        }
                    }
                }

                if ($instances > 1){
                    $quantity = 0;

                    // let's add up all the quantities together
                    foreach( WC()->cart->get_cart() as $cart_item ){
                        if ( $product_id === $cart_item['product_id'] || $product_id === $cart_item['variation_id']){
                            $quantity += apply_filters('b2bking_cart_item_quantity_tiers', $cart_item['quantity'], $product_id);
                        } else {
                            if ($sum_up_variations === 'yes'){
                                if ( $possible_parent_id === $cart_item['product_id']){
                                    $quantity += apply_filters('b2bking_cart_item_quantity_tiers', $cart_item['quantity'], $cart_item['variation_id']);
                                }
                            }
                        }
                    }
                }
            }


            // get first tier quantity to check if it has been reached
            $price_tiers = explode(';', $price_tiers);
            $quantities_array = array();
            $prices_array = array();

            // first eliminate all quantities larger than the quantity in cart
            foreach($price_tiers as $tier){
                $tier_values = explode(':', $tier);
                if (count($tier_values) > 1){
                    if ($tier_values[0] <= $quantity && !empty($tier_values[0])){
                        array_push($quantities_array, $tier_values[0]);

                        $prices_array[$tier_values[0]] = b2bking()->tofloat($tier_values[1]);
                    }
                }
            }


            // if any number remains = tiered pricing applies
            if(count($quantities_array) !== 0){

                $rules = array();

            }
        }
    }
    
    return array($rules, $results[1]);
}

add_filter('b2bking_tiered_discount_everywhere_final', function($price_display, $price, $price_new){
	return wc_price($price);
}, 10, 3);