import * as mongo from 'mongodb'; const deepcopy = require('deepcopy'); import db from '../db/mongodb'; import { pack as packNote } from './note'; const Favorite = db.get('favorites'); Favorite.createIndex(['userId', 'noteId'], { unique: true }); export default Favorite; export type IFavorite = { _id: mongo.ObjectID; createdAt: Date; userId: mongo.ObjectID; noteId: mongo.ObjectID; }; /** * Favoriteを物理削除します */ export async function deleteFavorite(favorite: string | mongo.ObjectID | IFavorite) { let f: IFavorite; // Populate if (mongo.ObjectID.prototype.isPrototypeOf(favorite)) { f = await Favorite.findOne({ _id: favorite }); } else if (typeof favorite === 'string') { f = await Favorite.findOne({ _id: new mongo.ObjectID(favorite) }); } else { f = favorite as IFavorite; } if (f == null) return; // このFavoriteを削除 await Favorite.remove({ _id: f._id }); } export const packMany = async ( favorites: any[], me: any ) => { return (await Promise.all(favorites.map(f => pack(f, me)))).filter(x => x != null); }; /** * Pack a favorite for API response */ export const pack = ( favorite: any, me: any ) => new Promise(async (resolve, reject) => { let _favorite: any; // Populate the favorite if 'favorite' is ID if (mongo.ObjectID.prototype.isPrototypeOf(favorite)) { _favorite = await Favorite.findOne({ _id: favorite }); } else if (typeof favorite === 'string') { _favorite = await Favorite.findOne({ _id: new mongo.ObjectID(favorite) }); } else { _favorite = deepcopy(favorite); } // Rename _id to id _favorite.id = _favorite._id; delete _favorite._id; // Populate note _favorite.note = await packNote(_favorite.noteId, me); // (データベースの不具合などで)投稿が見つからなかったら if (_favorite.note == null) { console.warn(`in packaging favorite: note not found on database: ${_favorite.noteId}`); return resolve(null); } resolve(_favorite); });