76 lines
1.6 KiB
TypeScript
76 lines
1.6 KiB
TypeScript
import * as mongo from 'mongodb';
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import deepcopy = require('deepcopy');
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import { IUser } from './user';
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import Watching from './channel-watching';
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import db from '../db/mongodb';
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const Channel = db.get<IChannel>('channels');
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export default Channel;
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export type IChannel = {
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_id: mongo.ObjectID;
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createdAt: Date;
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title: string;
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userId: mongo.ObjectID;
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index: number;
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watchingCount: number;
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};
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/**
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* Pack a channel for API response
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*
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* @param channel target
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* @param me? serializee
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* @return response
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*/
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export const pack = (
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channel: string | mongo.ObjectID | IChannel,
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me?: string | mongo.ObjectID | IUser
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) => new Promise<any>(async (resolve, reject) => {
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let _channel: any;
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// Populate the channel if 'channel' is ID
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if (mongo.ObjectID.prototype.isPrototypeOf(channel)) {
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_channel = await Channel.findOne({
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_id: channel
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});
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} else if (typeof channel === 'string') {
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_channel = await Channel.findOne({
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_id: new mongo.ObjectID(channel)
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});
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} else {
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_channel = deepcopy(channel);
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}
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// Rename _id to id
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_channel.id = _channel._id;
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delete _channel._id;
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// Remove needless properties
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delete _channel.userId;
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// Me
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const meId: mongo.ObjectID = me
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? mongo.ObjectID.prototype.isPrototypeOf(me)
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? me as mongo.ObjectID
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: typeof me === 'string'
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? new mongo.ObjectID(me)
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: (me as IUser)._id
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: null;
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if (me) {
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//#region Watchしているかどうか
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const watch = await Watching.findOne({
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userId: meId,
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channelId: _channel.id,
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deletedAt: { $exists: false }
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});
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_channel.isWatching = watch !== null;
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//#endregion
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}
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resolve(_channel);
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});
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