Connect OpenAI prompt and Clickhouse 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.completions.create({
            model: "gpt-3.5-turbo",
            prompt: funnyPrompts,
            max_tokens: 7,
            temperature: 0,
        });

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

    async close() {}
}

class ClickhouseTargetInsert {
    async init() {
        // TODO: Create your clickhouse credential
        // More info at https://yepcode.io/docs/integrations/clickhouse/#credential-configuration
        this.clickhouse = yepcode.integration.clickhouse(
            "your-clickhouse-credential-name"
        );
        // TODO: customize your sql query
        // This opens insert stream for your table
        this.stream = new Stream.Readable({
            objectMode: true
        });
        this.ws = client.insert({
            table: "your_table_name",
            values: stream,
            format: "JSONCompactEachRow",
        });
    }

    async consume(item) {
        // TODO: Map your item to row
        this.stream.push(item);
    }

    async close() {
        // wait stream to finish
        this.stream.push(null);
        await this.ws;
        await this.clickhouse.close();
    }
}