Connect Xata and Tinybird in our serverless environment

class HttpSourceXataQuery {
    async init() {
        // TODO: Create your http credential with xata information:
        // More info at https://yepcode.io/docs/integrations/http/#credential-configuration
        // baseUrl: Your Xata.io base url https://${your-workspace}.${your-zone}.xata.sh/db'
        // HTTP Headers: { "Authorization": "Bearer <your-xata-api-key>" }
        this.httpClient = yepcode.integration.http(
            "your-http-xata-credential-name"
        );
    }

    async fetch(publish, done) {
        // TODO: Set your table endpoint parameters
        // You may check API documentation for more details
        // https://xata.io/docs/overview
        const database = "<your-database>";
        const branch = "<your-branch>";
        const table = "<your-table>";
        const pagination = {
            page: {
                size: 15
            }
        };

        await this.httpClient
            .post(`/${database}:${branch}/tables/${table}/query`, pagination)
            .then(({
                data
            }) => {
                for (const row of data.records) {
                    publish(row);
                }
            })
            .catch((error) => {
                console.error(
                    `An error was thrown retrieving data`,
                    error.response.data
                );
                throw error;
            });

        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.httpClient = 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.httpClient.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;
    }
}