@teamsparta/chat-ui/src/lib/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;