import { Observable } from 'rxjs';
import { Message } from "./message";
import { User } from "./user";
import { ChatAdapter } from "./chat-adapter";

/**
 * @description Chat Adapter decorator class that adds pagination to load the history of messagesr. 
 * You will need an existing @see ChatAdapter implementation
 */
export abstract class PagedHistoryChatAdapter extends ChatAdapter
{   
    abstract getMessageHistoryByPage(destinataryId: any, size: number, page: number) : Observable<Message[]>;
}