friends

import { fbAccessToken } from "../config.js"
import assert from "assert";
import vkontakte from "vkontakte";
import Promise from "bluebird";
const join = Promise.join;


export default {
    name: "users",

    read(req, resource, params, config, done) {
        //console.log(resource, params, config);
        done(null, config);
    },

    /**
     * Users collection: {_id, vk: {}, fb: {}, tw: {}, created, updated}
     */

    update(req, resource, params, body, config, done) {
        const users = req.db.collection('users');
        var query = {};
        var data = {};

        if (params.session && params.session.mid) { // vk.com response checker
            query = {
                vkId: params.session.mid
            };
            data = {
                vkId: params.session.mid,
                vk: params
            }
        }

        const vkAsync = Promise.promisify(vkontakte(params.session.sid));
        join(users.updateAsync(
            query, data, {
                upsert: true
            }),
            vkAsync('friends.get', {
                fields: 'uid,first_name,last_name,photo'
            }), (res, friends) => { // TODO: throw if no res.value._id
                users.findOneAndUpdateAsync(query, {$set: {"vk.friends": friends}})
                    .then((res) => {
                        let result = res.value;
                        result.vk.friends = friends;
                        done(null, result);
                    })
            });
    }
};