session service ng2

import { Router } from "angular2/router";
import { status, json, fetch } from "../utils/fetch";

import User from "./user";

var instance = null;

export default class Session {

	router: Router;
	currentUser: User;

	constructor(router: Router) {
		instance = this;
		this.router = router;
	}

	login({ login, password }: { login: string, password: string }) {
		console.log(`Logging as ${login} with password ${password}`);

		fetch("user/" + login, {
			method: "GET",
			headers: {
				"Accept": "application/json",
				"Content-Type": "application/json",
				"Authorization": "Basic " + btoa(login + ":" + password)
			}
		})
		.then(status)
		.then(json)
		.then(function(response) {

			console.log("LOGIN OK", response);
			this.authenticated = true;
			this.currentUser = new User(response);

			// and then we redirect the user
			this.router.navigate(this.getHomeRoute());
		}.bind(this))
		.catch((error) => {
			console.error(error);
		});
	}

	logout() {
		this.authenticated = false;
		this.currentUser = null;
		this.router.navigate([ "Login" ]);
	}

	getHomeRoute() {
		switch (this.currentUser.roles[ 0 ]) {
			case "MOA":
				return [ "DashboardMOA" ];
			case "EXPL":
				return [ "DashboardExploitant" ];
			default:
				return [ "Hello" ];
		}
	}

}

Session.hasRole = function(role: string) {
	return instance && instance.currentUser && instance.currentUser.hasRole(role);
};