models.ts

import {uuid} from "util/uuid";

export class User {
  id: string;

  constructor(public name: string,
              public avatarSrc: string) {
    this.id = uuid();
  }
}

export class Thread {
  id: string;
  lastMessage: Message;
  name: string;
  avatarSrc: string;

  constructor(id?: string,
              name?: string,
              avatarSrc?: string) {
    this.id = id || uuid();
    this.name = name;
    this.avatarSrc = avatarSrc;
  }
}

export class Message {
  id: string;
  sentAt: Date;
  isRead: boolean;
  author: User;
  text: string;
  thread: Thread;

  constructor(obj?: any) {
    this.id              = obj && obj.id              || uuid();
    this.isRead          = obj && obj.isRead          || false;
    this.sentAt          = obj && obj.sentAt          || new Date();
    this.author          = obj && obj.author          || null;
    this.text            = obj && obj.text            || null;
    this.thread          = obj && obj.thread          || null;
  }
}