iimport React from "react";
import Realm from "realm";

const TickerSchema = {
  name: "Ticker",
  primaryKey: "tickerSymbol",
  properties: {
    tickerSymbol: { type: "string", optional: false },
    price: { type: "int", optional: false },
    companyName: { type: "string", optional: false }
  }
};

export default class extends React.Component {
  async componentDidMount() {
    const SERVER = "some-cloud-realm.us1.cloud.realm.io";
    const user = await Realm.Sync.User.login(`https://${SERVER}`, "test-user", "password");

    const realm = await Realm.open({
      sync: {
        url: `realms://${SERVER}:/default`,
        user: user
      },
      schema: [TickerSchema]
    }).catch(e => console.error(e));

    const results = realm.objects("Ticker").filtered("price < 11");
    const subscription = results.subscribe();

    console.log("Logging data...", results);
  }
  render() {
    return null;
  }
}