setAllowBuyInListing example

$product->addAttribute('marketing', $this->marketingService->getProductAttribute($product));

            $this->priceCalculationService->calculateProduct($product, $context);

            if (!$this->isProductValid($product, $context)) {
                continue;
            }

            $product->setListingPrice($product->getCheapestUnitPrice());
            $product->setDisplayFromPrice(\count($product->getPrices()) > 1 || $product->hasDifferentPrices());
            $product->setAllowBuyInListing($this->allowBuyInListing($product));
            if ($this->config->get('calculateCheapestPriceWithMinPurchase') && $product->getCheapestPrice() instanceof Price) {
                $product->setListingPrice($product->getCheapestPrice());
            }
            $result[$number] = $product;
        }

        return $result;
    }

    /** * Checks if the provided product is allowed to display in the store front for * the provided context. */