agnanachandran

describe('Notifications Store', () => {
  it('should have read and unread notifications', () => {
    const readNotification = new Notification('1', 'read', 100, true);
    const unreadNotification = new Notification('2', 'unread', 101, false);
    const unreadNotification2 = new Notification('3', 'unread2', 102, false);
    const notifications = [readNotification, unreadNotification, unreadNotification2];

    const notificationsStore = NotificationsStore.initialize(notifications);

    expect(notificationsStore.unreadNotifications).to.have.length(2);

agnanachandran

describe('NotificationsViewContainer', () => {
  it('should render NotificationsView', () => {
    const readNotification = new Notification('1', 'read', 100, true);
    const unreadNotification = new Notification('2', 'unread', 101, false);
    const unreadNotification2 = new Notification('3', 'unread2', 102, false);
    const notifications = [readNotification, unreadNotification, unreadNotification2];
    const notificationsStore = NotificationsStore.initialize(notifications);
    
    const wrapper = mount(
      <NotificationsViewContainer

agnanachandran

interface NotificationsViewProps {
  unreadNotifications: Notification[];
  readNotifications: Notification[];
  onMarkAsRead: (notification: Notification) => void;
}

class NotificationsView extends React.Component<NotificationsViewProps, {}> {
  render(): JSX.Element {
    return (
      <div>

agnanachandran

interface NotificationsViewContainerProps {
  notificationsStore: NotificationsStore;
}

@observer
class NotificationsViewContainer extends React.Component<NotificationsViewContainerProps, {}> {
  render(): JSX.Element {
    return (
      <NotificationsView
        readNotifications={ this.props.notificationsStore.readNotifications }

agnanachandran

class RootStore {
  notificationsStore: NotificationsStore;

  initialize(): void {
    // Retrieve initial state of notifications
    const notifications: Notification[] = ...
    
    this.notificationsStore = NotificationsStore.initialize(notifications);
  }
}

agnanachandran

class NotificationsStore {
  @observable notificationsById: mobx.ObservableMap<Notification>;

  static initialize(notifications: Notification[]): NotificationsStore {
    const notificationsById = mobx.asMap(_.keyBy(notifications, 'id'));
    return new NotificationsStore(notificationsById);
  }

  @computed get unreadNotifications(): Notification[] {
    return _(this.notificationsById.values())

agnanachandran

class Notification {
  @observable read: boolean;

  constructor(
    public id: string,
    public content: string,
    public time: number,
    read: boolean
  ) {
    this.read = read;

agnanachandran

import math
import random

def get_random_neighbour(state):
    neighbour = [house[:] for house in state] # Deep copy

    i, j = random.sample(xrange(5), 2)
    attr_idx = random.randint(0, 4)

    neighbour[i][attr_idx], neighbour[j][attr_idx] = neighbour[j][attr_idx], neighbour[i][attr_idx]