balanced/balanced-dashboard

import Ember from "ember";
import AnalyticsLogger from "balanced-dashboard/utils/analytics_logger";

var INFINITE_LOOP_DURATION_MILLIS = 2500;
var INFINITE_LOOP_NUM_ERRORS = 5;

var ApplicationRoute = Ember.Route.extend(Ember.Evented, {
    init: function() {
        this.set('errorTimestamps', []);
    },

    actions: {
        closeModal: function() {
            return this
                .container
                .lookup("controller:modals_container")
                .close();
        },

        openModal: function(klass) {
            var container = this.get("container");
            var args = _.toArray(arguments).slice(1);
            return container
                .lookup("controller:modals_container")
                .open(klass, args);
        },

        error: function(error, transition) {
            if (!window.TESTING) {
                // Check for an infinite loop of error handling and short-circuit
                // if we've seen too many errors in too short a period
                var errorTimestamps = this.get('errorTimestamps');
                var currentTimestamp = new Date().getTime();
                errorTimestamps.push(currentTimestamp);
                if (errorTimestamps.length > INFINITE_LOOP_NUM_ERRORS) {
                    var filtered = _.filter(errorTimestamps, function(t) {
                        return t > currentTimestamp - INFINITE_LOOP_DURATION_MILLIS;
                    });

                    this.set('errorTimestamps', filtered);
                    if (filtered.length > INFINITE_LOOP_NUM_ERRORS) {
                        this.get('auth').forgetLogin();
                        this.transitionTo('login');

                        return;
                    }
                }
            }

            // the error object could be an ember object or a jqxhr
            var statusCode = error.errorStatusCode || error.status;
            var uri = error.uri;

            Ember.Logger.error("Error while loading route (%@: %@): ".fmt(statusCode, uri), error.stack || error.message || error.name || error);

            // if we had a problem loading the marketplace, check that it's not the current
            // marketplace, since that might send us into an infinite loop
            if (error.get && error.get('uri') === this.get('auth').getLastUsedMarketplaceUri()) {
                this.get('auth').forgetLastUsedMarketplaceUri();
            }

            AnalyticsLogger.trackEvent('route-error', {
                type: 'error-loading-route',
                location: window.location.toString(),
                statusCode: statusCode
            });

            if (statusCode === 401 || statusCode === 403) {
                if (error.get && error.get('uri')) {
                    // if we loaded an ember object and got a 401/403, let's forget about the transition
                    this.get('auth').set('attemptedTransition', null);

                    this.controllerFor("notification_center")
                        .alertError('You are not permitted to access this resource.');
                    this.transitionTo('marketplaces');
                } else if (transition) {
                    this.get('auth').set('attemptedTransition', transition);

                    // If we're not authorized, need to log in (maybe as a different user),
                    // so let's log out
                    this.get('auth').forgetLogin();
                    this.transitionTo('login');
                }
            } else if (statusCode === 404) {
                this.controllerFor("notification_center")
                    .alertError("Couldn't find the resource for this page, please make sure the URL is valid.");
                this.transitionTo('marketplaces');
            } else {
                var controller = this.controllerFor("notification_center");
                var name = "PageLoadError";

                controller.clearNamedAlert(name);
                controller
                    .alertError('There was an error loading this page.', {
                        name: name
                    });
                this.transitionTo('marketplaces');
            }
        },

        willTransition: function() {
            this.controllerFor('modals_container').close();
            this.controllerFor('notification_center').expireAlerts();
        },

        signOut: function() {
            this.controllerFor('notification_center').clearAlerts();
            this.transitionTo('logout');
        }
    }
});

export default ApplicationRoute;