Connect Supabase NDJSON file and Send WhatsApp messages with template using Vonage API in our serverless environment

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

    async fetch(publish, done) {
        // You may check the full API documentation at:
        // https://supabase.com/docs/reference/javascript/storage-from-download
        const {
            data,
            error
        } = await this.supabase.storage
            .from("your-bucket-name")
            .download(`your-file-name.ndjson`);
        if (error) {
            throw error;
        }
        data
            .stream()
            .pipe(ndjson.parse())
            .on("data", async (line) => {
                await publish(line);
            })
            .on("end", done);
    }

    async close() {
        await this.sftp.end();
    }
}

class HttpTargetVonageSendWhatsappTemplate {
    async init() {
        // TODO: Create your http credential with Vonage information:
        // More info at https://yepcode.io/docs/integrations/http/#credential-configuration
        // baseUrl: https://messages-sandbox.nexmo.com/v1
        // username: <your-vonage-api-key>
        // password: <your-vonage-api-secret>
        this.httpClient = yepcode.integration.http(
            "your-http-vonage-credential-name"
        );
    }

    async consume(item) {
        const WHATSAPP_NUMBER = "14157386204"; // The WhatsApp number that has been allocated to you by Vonage
        const WHATSAPP_TEMPLATE_NAMESPACE = "9b6b4fcb_da19_4a26_8fe8_78074a91b584";
        const WHATSAPP_TEMPLATE_NAME = "verify";

        // TODO: Customize your request checking the API documentation:
        // https://developer.vonage.com/messages/code-snippets/whatsapp/send-mtm
        await this.httpClient.post("/messages", {
            from: WHATSAPP_NUMBER,
            to: item.to,
            message_type: "template",
            channel: "whatsapp",
            whatsapp: {
                policy: "deterministic",
                locale: "en-GB",
            },
            template: {
                name: `${WHATSAPP_TEMPLATE_NAMESPACE}:${WHATSAPP_TEMPLATE_NAME}`,
                parameters: ["YepCode verification", "64873", 10],
            },
        });
    }

    async close() {}
}