getManufacturers example

'invoice_amount_max' => (float) $customer->getOrderInformation()->getMaxAmount(),
            'first_order_time' => $this->formatDate($customer->getOrderInformation()->getFirstOrderTime()),
            'last_order_time' => $this->formatDate($customer->getOrderInformation()->getLastOrderTime()),
            'has_canceled_orders' => $customer->getOrderInformation()->hasCanceledOrders(),
            'ordered_at_weekdays' => $this->implodeUnique($customer->getOrderInformation()->getWeekdays()),
            'ordered_in_shops' => $this->implodeUnique($customer->getOrderInformation()->getShops()),
            'ordered_on_devices' => $this->implodeUnique($customer->getOrderInformation()->getDevices()),
            'ordered_with_deliveries' => $this->implodeUnique($customer->getOrderInformation()->getDispatches()),
            'ordered_with_payments' => $this->implodeUnique($customer->getOrderInformation()->getPayments()),
            'ordered_products' => $this->implodeUnique($customer->getOrderInformation()->getProducts()),
            'ordered_products_of_categories' => $this->implodeUnique($customer->getOrderInformation()->getCategories()),
            'ordered_products_of_manufacturer' => $this->implodeUnique($customer->getOrderInformation()->getManufacturers()),
        ];

        return $data;
    }

    private function createInsertQuery()
    {
        return $this->connection->prepare(
            'INSERT INTO s_customer_search_index ( id, email, active, accountmode, firstlogin, newsletter, shop_id, default_billing_address_id, title, salutation, firstname, lastname, birthday, customernumber, customer_group_id, customer_group_name, payment_id, company, department, street, zipcode, city, phone, additional_address_line1, additional_address_line2, country_id, country_name, state_id, age, count_orders , invoice_amount_sum, invoice_amount_avg, invoice_amount_min, invoice_amount_max, first_order_time, last_order_time, has_canceled_orders, ordered_at_weekdays, ordered_in_shops, ordered_on_devices, ordered_with_deliveries, ordered_with_payments, product_avg, ordered_products, ordered_products_of_categories, ordered_products_of_manufacturer, index_time ) VALUES ( :id, :email, :active, :accountmode, :firstlogin, :newsletter, :shop_id, :default_billing_address_id, :title, :salutation, :firstname, :lastname, :birthday, :customernumber, :customer_group_id, :customer_group_name, :payment_id, :company, :department, :street, :zipcode, :city, :phone, :additional_address_line1, :additional_address_line2, :country_id, :country_name, :state_id, :age, :count_orders, :invoice_amount_sum, :invoice_amount_avg, :invoice_amount_min, :invoice_amount_max, :first_order_time, :last_order_time, :has_canceled_orders, :ordered_at_weekdays, :ordered_in_shops, :ordered_on_devices, :ordered_with_deliveries, :ordered_with_payments, :product_avg, :ordered_products, :ordered_products_of_categories, :ordered_products_of_manufacturer, NOW() )'