Connect Firebase Realtime Database and Shopify inventory levels in our serverless environment

class FirebaseSourceGetFromRealtimeDb {
    async init() {
        // TODO: Create your firebase credential
        // More info at https://yepcode.io/docs/integrations/firebase/#credential-configuration
        this.firebase = yepcode.integration.firebase(
            "your-firebase-credential-name"
        );
        this.db = getDatabase(this.firebase);
        this.dbRef = ref(this.db);
    }

    async fetch(publish, done) {
        // TODO: Customize the path to the firebase object
        const snapshot = await get(child(this.dbRef, "/path-to-the-objects"));
        if (snapshot.exists()) {
            for (const item of Object.values(snapshot.val())) {
                await publish(item);
            }
        }
        done();
    }

    async close() {
        deleteApp(this.firebase);
    }
}

class HttpTargetShopifySetInventoryLevel {
    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/inventorylevel#post-inventory-levels-set
        await this.httpClient.post("inventory_levels/set.json", {
            available: item.units,
            inventory_item_id: item.inventory_item_id,
            location_id: item.location_id,
        });
    }

    async close() {}
}