Connect Zyte automatic extraction and RabbitMQ in our serverless environment

class HttpSourceZyteAutomaticExtraction {
    async init() {
        // TODO: Create your http credential with zyte information:
        // More info at https://yepcode.io/docs/integrations/http/#credential-configuration
        // Get your Zyte API key following guide at: https://docs.zyte.com/automatic-extraction-get-started.html
        // baseUrl: https://autoextract.scrapinghub.com/v1
        // user: <your_automatic_extraction_api_key>
        // password: empty
        this.axiosClient = yepcode.integration.http(
            "your-http-zyte-credential-name"
        );
    }

    async fetch(publish, done) {
        // TODO: Customize your request checking the API documentation:
        // https://docs.zyte.com/automatic-extraction.html
        const payload = [
            // In this sample we'll use the product list extraction: https://docs.zyte.com/automatic-extraction/product-list.html
            // TODO: Other lists or single object extractions may be done changing this payload:
            //       articles, comments, job posting, real state, reviews
            {
                url: "http://books.toscrape.com/",
                pageType: "productList",
            },
        ];
        const {
            data
        } = await this.axiosClient.post("/extract", payload);

        if (data && data[0]) {
            // TODO: If retrieved list is not a productList, this attribute navigations should be changed
            // TODO: You may also keep on retrieving next paginations using information at data[0].productList.paginationNext
            for (const item of data[0].productList.products) {
                await publish(item);
            }
        }
        done();
    }

    async close() {}
}

class AmqpTargetRabbitmqSendMessage {
    async init() {
        // TODO: Create your rabbitmq credential
        // More info at https://yepcode.io/docs/integrations/amqp/#credential-configuration
        this.conn = await yepcode.integration.amqp("your-amqp-credential-name");
        this.channel = await this.conn.createChannel();
    }

    async consume(item) {
        // TODO: Customize your queue name and message
        const queue = "tasks";
        const message = `The message content is: ${JSON.stringify(item)}`;
        this.channel.sendToQueue(queue, Buffer.from(message));
    }

    async close() {
        try {
            await this.channel.close();
        } catch (error) {
            console.error(`Error closing channel`, error);
        }
        try {
            await this.conn.close();
        } catch (error) {
            console.error(`Error closing connection`, error);
        }
    }
}