Initial commit 🍀

src/api/serializers/user.ts

@@ -0,0 +1,138 @@
+'use strict';
+
+/**
+ * Module dependencies
+ */
+import * as mongo from 'mongodb';
+const deepcopy = require('deepcopy');
+import User from '../models/user';
+import Following from '../models/following';
+import getFriends from '../common/get-friends';
+
+/**
+ * Serialize a user
+ *
+ * @param {Object} user
+ * @param {Object} me?
+ * @param {Object} options?
+ * @return {Promise<Object>}
+ */
+export default (
+	user: any,
+	me?: any,
+	options?: {
+		detail: boolean,
+		includeSecrets: boolean
+	}
+) => new Promise<any>(async (resolve, reject) => {
+
+	const opts = Object.assign({
+		detail: false,
+		includeSecrets: false
+	}, options);
+
+	let _user: any;
+
+	// Populate the user if 'user' is ID
+	if (mongo.ObjectID.prototype.isPrototypeOf(user)) {
+		_user = await User.findOne({
+			_id: user
+		});
+	} else if (typeof user === 'string') {
+		_user = await User.findOne({
+			_id: new mongo.ObjectID(user)
+		});
+	} else {
+		_user = deepcopy(user);
+	}
+
+	// Me
+	if (me && !mongo.ObjectID.prototype.isPrototypeOf(me)) {
+		if (typeof me === 'string') {
+			me = new mongo.ObjectID(me);
+		} else {
+			me = me._id;
+		}
+	}
+
+	// Rename _id to id
+	_user.id = _user._id;
+	delete _user._id;
+
+	// Remove private properties
+	delete _user.password;
+	delete _user.token;
+	delete _user.username_lower;
+
+	// Visible via only the official client
+	if (!opts.includeSecrets) {
+		delete _user.data;
+		delete _user.email;
+	}
+
+	_user.avatar_url = _user.avatar_id != null
+		? `${config.drive_url}/${_user.avatar_id}`
+		: `${config.drive_url}/default-avatar.jpg`;
+
+	_user.banner_url = _user.banner_id != null
+		? `${config.drive_url}/${_user.banner_id}`
+		: null;
+
+	if (!me || !me.equals(_user.id) || !opts.detail) {
+		delete _user.avatar_id;
+		delete _user.banner_id;
+
+		delete _user.drive_capacity;
+	}
+
+	if (me && !me.equals(_user.id)) {
+		// If the user is following
+		const follow = await Following.findOne({
+			follower_id: me,
+			followee_id: _user.id,
+			deleted_at: { $exists: false }
+		});
+		_user.is_following = follow !== null;
+
+		// If the user is followed
+		const follow2 = await Following.findOne({
+			follower_id: _user.id,
+			followee_id: me,
+			deleted_at: { $exists: false }
+		});
+		_user.is_followed = follow2 !== null;
+	}
+
+	if (me && !me.equals(_user.id) && opts.detail) {
+		const myFollowingIds = await getFriends(me);
+
+		// Get following you know count
+		const followingYouKnowCount = await Following.count({
+			followee_id: { $in: myFollowingIds },
+			follower_id: _user.id,
+			deleted_at: { $exists: false }
+		});
+		_user.following_you_know_count = followingYouKnowCount;
+
+		// Get followers you know count
+		const followersYouKnowCount = await Following.count({
+			followee_id: _user.id,
+			follower_id: { $in: myFollowingIds },
+			deleted_at: { $exists: false }
+		});
+		_user.followers_you_know_count = followersYouKnowCount;
+	}
+
+	resolve(_user);
+});
+/*
+function img(url) {
+	return {
+		thumbnail: {
+			large: `${url}`,
+			medium: '',
+			small: ''
+		}
+	};
+}
+*/