authService.js

// Disclaimer: not actual code
import history from "services/history"
import store from "services/store"
import api from "services/api"

class AuthService {
  constructor() {
    this.tokenRefresher = throttle(this.refreshToken, 4 * 60 * 1000);
  }
  
  login(data) {
    const promise = api.post("/login", data);
    const token = await promise;
    store.dispatch({type: "AUTH_TOKEN", value: token}); // let the view know the user is now logged in
    
    history.push("/home"); // move to the default route
    this.trackInactivity();
    
    return promise;
  }
  
  logout() {
    const promise = api.post("/logout");
    await promise;
    store.dispatch({type: "AUTH_TOKEN", value: null})
    history.push("/login")
    return promise;
  }
  
   refreshToken = async () => {
    await api.get("/login/refresh");
    this.cookieTimestamp = new Date();
  };

  trackInactivity() {
    ["mousemove", "mousedown", "keydown", "mousewheel"].forEach((event) =>
      window.addEventListener(event, this.tokenRefresher)
    );
    
    this.inactivityTracker = setInterval(async () => {
      if (!this.cookieTimestamp) {
        return;
      }
      const now = new Date();
      const timePassed = Math.abs(now - this.cookieTimestamp);
      const minutesPassed = timePassed / (1000 * 60);
      if (minutesPassed > 10) {
        await this.logout();
        history.push("/login");
        store.dispatch({type: "USER_INACTIVE"})
      }
    }, 5000);
  }
}

const authService = new AuthService();

export default authService;