@teamsparta/chat-ui/dist/store/MessageManager.js

simple chat-ui

class Observer {
  update() {
    // 상태 변화 시 호출되는 메서드
  }
}
class MessageManager {
  static instance = null;
  constructor() {
    if (!MessageManager.instance) {
      this.observers = []; // Observer 객체들을 저장할 배열
      this.messages = []; // 메시지를 저장
      MessageManager.instance = this;
    }
    return MessageManager.instance;
  }
  subscribe(observer) {
    this.observers.push(observer);
  }
  unsubscribe(observer) {
    this.observers = this.observers.filter(obs => obs !== observer);
  }
  notify() {
    this.observers.forEach(observer => observer.update());
  }
  addMessage(message) {
    this.messages.push(message);
    this.notify();
  }
  addUserMessage(content, date = new Date()) {
    const newMessage = {
      role: "user",
      content: content,
      date: date
    };
    this.messages.push(newMessage);
    this.notify();
  }
  addPeerMessage(content, profileSrc = null, date = new Date()) {
    const newMessage = {
      role: "peer",
      profileSrc: profileSrc,
      content: content,
      date: date
    };
    this.messages.push(newMessage);
    this.notify();
  }
  addCustomMessage(content, date = new Date()) {
    const newMessage = {
      role: "custom",
      content: content,
      date: date
    };
    this.messages.push(newMessage);
    this.notify();
  }
  streamMessage(message) {
    this.messages.pop();
    this.messages.push(message);
    this.notify();
  }
  streamPeerMessage(content, profileSrc = null, date = new Date()) {
    const newMessage = {
      role: "peer",
      profileSrc: profileSrc,
      content: content,
      date: date
    };
    this.messages.pop();
    this.messages.push(newMessage);
    this.notify();
  }
  getMessages() {
    return this.messages;
  }
  cleanMessage() {
    this.messages = [];
  }
  initMessages(initialMessages) {
    if (!this.messages.length) {
      this.messages = [...initialMessages];
    }
    this.notify();
  }
  static getInstance() {
    if (!MessageManager.instance) {
      MessageManager.instance = new MessageManager();
    }
    return MessageManager.instance;
  }
}
export default MessageManager;