Connect OpenAI prompt and Tinybird in our serverless environment

class OpenaiSourceGetPromptResponse {
    async init() {
        // TODO: Create your OpenAI credential
        // More info at https://yepcode.io/docs/integrations/openai/#credential-configuration
        this.openai = yepcode.integration.openai("your-openai-credential-name");
    }

    async fetch(publish, done) {
        // TODO: Configure your prompt
        const funnyPrompts = [
            "What do you think of humans?",
            "Do you prefer tabs or spaces?",
            "What's the meaning of life, the universe, and everything?",
            "What's your favorite programming joke?",
            "What's the worst code you've ever seen?"
        ];
        // More info at: https://platform.openai.com/docs/api-reference/completions/create
        const completion = await this.openai.createCompletion({
            model: "text-davinci-003",
            prompt: funnyPrompts,
            max_tokens: 7,
            temperature: 0,
        });

        for (const choice of completion.data.choices) {
            await publish(choice);
        }
        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;
    }
}