iceshrimp-legacy/src/api/serializers/channel.ts
2017-11-01 19:33:08 +09:00

67 lines
1.4 KiB
TypeScript

/**
* Module dependencies
*/
import * as mongo from 'mongodb';
import deepcopy = require('deepcopy');
import { IUser } from '../models/user';
import { default as Channel, IChannel } from '../models/channel';
import Watching from '../models/channel-watching';
/**
* Serialize a channel
*
* @param channel target
* @param me? serializee
* @return response
*/
export default (
channel: string | mongo.ObjectID | IChannel,
me?: string | mongo.ObjectID | IUser
) => new Promise<any>(async (resolve, reject) => {
let _channel: any;
// Populate the channel if 'channel' is ID
if (mongo.ObjectID.prototype.isPrototypeOf(channel)) {
_channel = await Channel.findOne({
_id: channel
});
} else if (typeof channel === 'string') {
_channel = await Channel.findOne({
_id: new mongo.ObjectID(channel)
});
} else {
_channel = deepcopy(channel);
}
// Rename _id to id
_channel.id = _channel._id;
delete _channel._id;
// Remove needless properties
delete _channel.user_id;
// Me
const meId: mongo.ObjectID = me
? mongo.ObjectID.prototype.isPrototypeOf(me)
? me as mongo.ObjectID
: typeof me === 'string'
? new mongo.ObjectID(me)
: (me as IUser)._id
: null;
if (me) {
//#region Watchしているかどうか
const watch = await Watching.findOne({
user_id: meId,
channel_id: _channel.id,
deleted_at: { $exists: false }
});
_channel.is_watching = watch !== null;
//#endregion
}
resolve(_channel);
});