fchat-rising/learn/channel-conversation-cache.ts

import * as _ from 'lodash';
import { Cache } from './cache';
import { AdCachedPosting, AdCacheRecord, AdCache } from './ad-cache';

export interface ChannelCachedPosting extends AdCachedPosting {
    channelName: string;
    datePosted: Date;
    message: string;
}

export interface ChannelPosting extends ChannelCachedPosting {
    name: string;
}

export class ChannelCacheRecord extends AdCacheRecord {}


export class ChannelConversationCache extends AdCache<ChannelCacheRecord> {

    register(ad: ChannelPosting): void {
        const k = Cache.nameKey(ad.name);

        if (k in this.cache) {
            const adh = this.cache[k];

            adh.add(ad);
            return;
        }

        this.cache[k] = new ChannelCacheRecord(ad.name, ad);
    }

}