Connect Zyte automatic extraction and Tinybird 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 HttpTargetTinybirdAppendEndpoint {
    async init() {
        // TODO: Create your http credential with tynibird information:
        // More info at https://yepcode.io/docs/integrations/http/#credential-configuration
        // baseUrl: https://api.tinybird.co/v0
        // HTTP Headers: { "Authorization": "Bearer your-read-token" }
        this.axiosClient = yepcode.integration.http(
            "your-http-tinybird-credential-name"
        );

        // Transforms the items into a csv format
        this.stringifier = csv.stringify({
            delimiter: ",",
        });
        const targetStream = new PassThrough();
        this.stringifier.pipe(targetStream);

        // Append the stream to Tinybird endpoint
        const formData = FormData();
        formData.append("csv", targetStream);

        // TODO: Customize your request checking the API documentation:
        // https://www.tinybird.co/docs/api-reference/datasource-api.html
        this.tinybirdPost = this.axiosClient.post(
            `/datasources?format=csv&mode=append&name=your_end_point_name`,
            formData, {
                headers: {
                    ...formData.getHeaders(),
                },
            }
        );
    }

    async consume(item) {
        // TODO: Map item to your CSV format
        const csvRow = [item.col1, item.col2, item.col3];
        this.stringifier.write(csvRow);
    }

    async close() {
        this.stringifier.end();
        await this.tinybirdPost;
    }
}