Connect Supabase CSV file and Shopify discount codes in our serverless environment

class SupabaseSourceReadRemoteCsv {
    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.csv`);
        if (error) {
            throw error;
        }
        data
            .stream()
            .pipe(
                csv.parse({
                    delimiter: ",",
                    columns: true,
                })
            )
            .on("data", publish)
            .on("end", done);
    }

    async close() {}
}

class HttpTargetShopifyCreateDiscountCode {
    async init() {
        // TODO: Create your http credential with Shopify information:
        // More info at https://yepcode.io/docs/integrations/http/#credential-configuration
        // baseUrl: https://your-development-store.myshopify.com/admin/api/2022-04
        // HTTP Headers: { "X-Shopify-Access-Token": "your-access-token" }
        this.httpClient = yepcode.integration.http(
            "your-http-shopify-credential-name"
        );
    }

    async consume(item) {
        // TODO: Customize your request checking the API documentation:
        // https://shopify.dev/api/admin-rest/2022-04/resources/discountcode#post-price-rules-price-rule-id-discount-codes
        await this.httpClient.post(
            "/price_rules/<price-rule-id>/discount_codes.json", {
                discount_code: {
                    code: item.code + "OFF",
                },
            }
        );
    }

    async close() {}
}