23 files changed, 1533 insertions, 0 deletions
diff --git a/src/models/access-token.ts b/src/models/access-token.ts
new file mode 100644
index 0000000000..4451ca140d
--- /dev/null
+++ b/src/models/access-token.ts
@@ -0,0 +1,16 @@
+import * as mongo from 'mongodb';
+import db from '../db/mongodb';
+
+const AccessToken = db.get<IAccessTokens>('accessTokens');
+AccessToken.createIndex('token');
+AccessToken.createIndex('hash');
+export default AccessToken;
+
+export type IAccessTokens = {
+	_id: mongo.ObjectID;
+	createdAt: Date;
+	appId: mongo.ObjectID;
+	userId: mongo.ObjectID;
+	token: string;
+	hash: string;
+};
diff --git a/src/models/app.ts b/src/models/app.ts
new file mode 100644
index 0000000000..3b80a1602f
--- /dev/null
+++ b/src/models/app.ts
@@ -0,0 +1,103 @@
+import * as mongo from 'mongodb';
+import deepcopy = require('deepcopy');
+import AccessToken from './access-token';
+import db from '../db/mongodb';
+import config from '../conf';
+
+const App = db.get<IApp>('apps');
+App.createIndex('nameId');
+App.createIndex('nameIdLower');
+App.createIndex('secret');
+export default App;
+
+export type IApp = {
+	_id: mongo.ObjectID;
+	createdAt: Date;
+	userId: mongo.ObjectID;
+	secret: string;
+	name: string;
+	nameId: string;
+	nameIdLower: string;
+	description: string;
+	permission: string;
+	callbackUrl: string;
+};
+
+export function isValidNameId(nameId: string): boolean {
+	return typeof nameId == 'string' && /^[a-zA-Z0-9\-]{3,30}$/.test(nameId);
+}
+
+/**
+ * Pack an app for API response
+ *
+ * @param {any} app
+ * @param {any} me?
+ * @param {any} options?
+ * @return {Promise<any>}
+ */
+export const pack = (
+	app: any,
+	me?: any,
+	options?: {
+		includeSecret?: boolean,
+		includeProfileImageIds?: boolean
+	}
+) => new Promise<any>(async (resolve, reject) => {
+	const opts = options || {
+		includeSecret: false,
+		includeProfileImageIds: false
+	};
+
+	let _app: any;
+
+	// Populate the app if 'app' is ID
+	if (mongo.ObjectID.prototype.isPrototypeOf(app)) {
+		_app = await App.findOne({
+			_id: app
+		});
+	} else if (typeof app === 'string') {
+		_app = await App.findOne({
+			_id: new mongo.ObjectID(app)
+		});
+	} else {
+		_app = deepcopy(app);
+	}
+
+	// Me
+	if (me && !mongo.ObjectID.prototype.isPrototypeOf(me)) {
+		if (typeof me === 'string') {
+			me = new mongo.ObjectID(me);
+		} else {
+			me = me._id;
+		}
+	}
+
+	// Rename _id to id
+	_app.id = _app._id;
+	delete _app._id;
+
+	delete _app.nameIdLower;
+
+	// Visible by only owner
+	if (!opts.includeSecret) {
+		delete _app.secret;
+	}
+
+	_app.iconUrl = _app.icon != null
+		? `${config.drive_url}/${_app.icon}`
+		: `${config.drive_url}/app-default.jpg`;
+
+	if (me) {
+		// 既に連携しているか
+		const exist = await AccessToken.count({
+			appId: _app.id,
+			userId: me,
+		}, {
+				limit: 1
+			});
+
+		_app.isAuthorized = exist === 1;
+	}
+
+	resolve(_app);
+});
diff --git a/src/models/auth-session.ts b/src/models/auth-session.ts
new file mode 100644
index 0000000000..6fe3468a7b
--- /dev/null
+++ b/src/models/auth-session.ts
@@ -0,0 +1,48 @@
+import * as mongo from 'mongodb';
+import deepcopy = require('deepcopy');
+import db from '../db/mongodb';
+import { pack as packApp } from './app';
+
+const AuthSession = db.get<IAuthSession>('authSessions');
+export default AuthSession;
+
+export interface IAuthSession {
+	_id: mongo.ObjectID;
+	createdAt: Date;
+	appId: mongo.ObjectID;
+	userId: mongo.ObjectID;
+	token: string;
+}
+
+/**
+ * Pack an auth session for API response
+ *
+ * @param {any} session
+ * @param {any} me?
+ * @return {Promise<any>}
+ */
+export const pack = (
+	session: any,
+	me?: any
+) => new Promise<any>(async (resolve, reject) => {
+	let _session: any;
+
+	// TODO: Populate session if it ID
+	_session = deepcopy(session);
+
+	// Me
+	if (me && !mongo.ObjectID.prototype.isPrototypeOf(me)) {
+		if (typeof me === 'string') {
+			me = new mongo.ObjectID(me);
+		} else {
+			me = me._id;
+		}
+	}
+
+	delete _session._id;
+
+	// Populate app
+	_session.app = await packApp(_session.appId, me);
+
+	resolve(_session);
+});
diff --git a/src/models/channel-watching.ts b/src/models/channel-watching.ts
new file mode 100644
index 0000000000..44ca06883f
--- /dev/null
+++ b/src/models/channel-watching.ts
@@ -0,0 +1,13 @@
+import * as mongo from 'mongodb';
+import db from '../db/mongodb';
+
+const ChannelWatching = db.get<IChannelWatching>('channelWatching');
+export default ChannelWatching;
+
+export interface IChannelWatching {
+	_id: mongo.ObjectID;
+	createdAt: Date;
+	deletedAt: Date;
+	channelId: mongo.ObjectID;
+	userId: mongo.ObjectID;
+}
diff --git a/src/models/channel.ts b/src/models/channel.ts
new file mode 100644
index 0000000000..67386ac072
--- /dev/null
+++ b/src/models/channel.ts
@@ -0,0 +1,75 @@
+import * as mongo from 'mongodb';
+import deepcopy = require('deepcopy');
+import { IUser } from './user';
+import Watching from './channel-watching';
+import db from '../db/mongodb';
+
+const Channel = db.get<IChannel>('channels');
+export default Channel;
+
+export type IChannel = {
+	_id: mongo.ObjectID;
+	createdAt: Date;
+	title: string;
+	userId: mongo.ObjectID;
+	index: number;
+	watchingCount: number;
+};
+
+/**
+ * Pack a channel for API response
+ *
+ * @param channel target
+ * @param me? serializee
+ * @return response
+ */
+export const pack = (
+	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.userId;
+
+	// 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({
+			userId: meId,
+			channelId: _channel.id,
+			deletedAt: { $exists: false }
+		});
+
+		_channel.isWatching = watch !== null;
+		//#endregion
+	}
+
+	resolve(_channel);
+});
diff --git a/src/models/drive-file.ts b/src/models/drive-file.ts
new file mode 100644
index 0000000000..9e0df58c45
--- /dev/null
+++ b/src/models/drive-file.ts
@@ -0,0 +1,113 @@
+import * as mongodb from 'mongodb';
+import deepcopy = require('deepcopy');
+import { pack as packFolder } from './drive-folder';
+import config from '../conf';
+import monkDb, { nativeDbConn } from '../db/mongodb';
+
+const DriveFile = monkDb.get<IDriveFile>('driveFiles.files');
+
+export default DriveFile;
+
+const getGridFSBucket = async (): Promise<mongodb.GridFSBucket> => {
+	const db = await nativeDbConn();
+	const bucket = new mongodb.GridFSBucket(db, {
+		bucketName: 'driveFiles'
+	});
+	return bucket;
+};
+
+export { getGridFSBucket };
+
+export type IDriveFile = {
+	_id: mongodb.ObjectID;
+	uploadDate: Date;
+	md5: string;
+	filename: string;
+	contentType: string;
+	metadata: {
+		properties: any;
+		userId: mongodb.ObjectID;
+		folderId: mongodb.ObjectID;
+	}
+};
+
+export function validateFileName(name: string): boolean {
+	return (
+		(name.trim().length > 0) &&
+		(name.length <= 200) &&
+		(name.indexOf('\\') === -1) &&
+		(name.indexOf('/') === -1) &&
+		(name.indexOf('..') === -1)
+	);
+}
+
+/**
+ * Pack a drive file for API response
+ *
+ * @param {any} file
+ * @param {any} options?
+ * @return {Promise<any>}
+ */
+export const pack = (
+	file: any,
+	options?: {
+		detail: boolean
+	}
+) => new Promise<any>(async (resolve, reject) => {
+	const opts = Object.assign({
+		detail: false
+	}, options);
+
+	let _file: any;
+
+	// Populate the file if 'file' is ID
+	if (mongodb.ObjectID.prototype.isPrototypeOf(file)) {
+		_file = await DriveFile.findOne({
+			_id: file
+		});
+	} else if (typeof file === 'string') {
+		_file = await DriveFile.findOne({
+			_id: new mongodb.ObjectID(file)
+		});
+	} else {
+		_file = deepcopy(file);
+	}
+
+	if (!_file) return reject('invalid file arg.');
+
+	// rendered target
+	let _target: any = {};
+
+	_target.id = _file._id;
+	_target.createdAt = _file.uploadDate;
+	_target.name = _file.filename;
+	_target.type = _file.contentType;
+	_target.datasize = _file.length;
+	_target.md5 = _file.md5;
+
+	_target = Object.assign(_target, _file.metadata);
+
+	_target.url = `${config.drive_url}/${_target.id}/${encodeURIComponent(_target.name)}`;
+
+	if (_target.properties == null) _target.properties = {};
+
+	if (opts.detail) {
+		if (_target.folderId) {
+			// Populate folder
+			_target.folder = await packFolder(_target.folderId, {
+				detail: true
+			});
+		}
+
+		/*
+		if (_target.tags) {
+			// Populate tags
+			_target.tags = await _target.tags.map(async (tag: any) =>
+				await serializeDriveTag(tag)
+			);
+		}
+		*/
+	}
+
+	resolve(_target);
+});
diff --git a/src/models/drive-folder.ts b/src/models/drive-folder.ts
new file mode 100644
index 0000000000..ad27b151b1
--- /dev/null
+++ b/src/models/drive-folder.ts
@@ -0,0 +1,77 @@
+import * as mongo from 'mongodb';
+import deepcopy = require('deepcopy');
+import db from '../db/mongodb';
+import DriveFile from './drive-file';
+
+const DriveFolder = db.get<IDriveFolder>('drive_folders');
+export default DriveFolder;
+
+export type IDriveFolder = {
+	_id: mongo.ObjectID;
+	createdAt: Date;
+	name: string;
+	userId: mongo.ObjectID;
+	parentId: mongo.ObjectID;
+};
+
+export function isValidFolderName(name: string): boolean {
+	return (
+		(name.trim().length > 0) &&
+		(name.length <= 200)
+	);
+}
+
+/**
+ * Pack a drive folder for API response
+ *
+ * @param {any} folder
+ * @param {any} options?
+ * @return {Promise<any>}
+ */
+export const pack = (
+	folder: any,
+	options?: {
+		detail: boolean
+	}
+) => new Promise<any>(async (resolve, reject) => {
+	const opts = Object.assign({
+		detail: false
+	}, options);
+
+	let _folder: any;
+
+	// Populate the folder if 'folder' is ID
+	if (mongo.ObjectID.prototype.isPrototypeOf(folder)) {
+		_folder = await DriveFolder.findOne({ _id: folder });
+	} else if (typeof folder === 'string') {
+		_folder = await DriveFolder.findOne({ _id: new mongo.ObjectID(folder) });
+	} else {
+		_folder = deepcopy(folder);
+	}
+
+	// Rename _id to id
+	_folder.id = _folder._id;
+	delete _folder._id;
+
+	if (opts.detail) {
+		const childFoldersCount = await DriveFolder.count({
+			parentId: _folder.id
+		});
+
+		const childFilesCount = await DriveFile.count({
+			'metadata.folderId': _folder.id
+		});
+
+		_folder.foldersCount = childFoldersCount;
+		_folder.filesCount = childFilesCount;
+	}
+
+	if (opts.detail && _folder.parentId) {
+		// Populate parent folder
+		_folder.parent = await pack(_folder.parentId, {
+			detail: true
+		});
+	}
+
+	resolve(_folder);
+});
diff --git a/src/models/favorite.ts b/src/models/favorite.ts
new file mode 100644
index 0000000000..2fa00e99c4
--- /dev/null
+++ b/src/models/favorite.ts
@@ -0,0 +1,12 @@
+import * as mongo from 'mongodb';
+import db from '../db/mongodb';
+
+const Favorites = db.get<IFavorite>('favorites');
+export default Favorites;
+
+export type IFavorite = {
+	_id: mongo.ObjectID;
+	createdAt: Date;
+	userId: mongo.ObjectID;
+	postId: mongo.ObjectID;
+};
diff --git a/src/models/following.ts b/src/models/following.ts
new file mode 100644
index 0000000000..3f8a9be50f
--- /dev/null
+++ b/src/models/following.ts
@@ -0,0 +1,13 @@
+import * as mongo from 'mongodb';
+import db from '../db/mongodb';
+
+const Following = db.get<IFollowing>('following');
+export default Following;
+
+export type IFollowing = {
+	_id: mongo.ObjectID;
+	createdAt: Date;
+	deletedAt: Date;
+	followeeId: mongo.ObjectID;
+	followerId: mongo.ObjectID;
+};
diff --git a/src/models/messaging-history.ts b/src/models/messaging-history.ts
new file mode 100644
index 0000000000..6864e22d2f
--- /dev/null
+++ b/src/models/messaging-history.ts
@@ -0,0 +1,13 @@
+import * as mongo from 'mongodb';
+import db from '../db/mongodb';
+
+const MessagingHistory = db.get<IMessagingHistory>('messagingHistories');
+export default MessagingHistory;
+
+export type IMessagingHistory = {
+	_id: mongo.ObjectID;
+	updatedAt: Date;
+	userId: mongo.ObjectID;
+	partnerId: mongo.ObjectID;
+	messageId: mongo.ObjectID;
+};
diff --git a/src/models/messaging-message.ts b/src/models/messaging-message.ts
new file mode 100644
index 0000000000..8bee657c34
--- /dev/null
+++ b/src/models/messaging-message.ts
@@ -0,0 +1,82 @@
+import * as mongo from 'mongodb';
+import deepcopy = require('deepcopy');
+import { pack as packUser } from './user';
+import { pack as packFile } from './drive-file';
+import db from '../db/mongodb';
+import parse from '../common/text';
+
+const MessagingMessage = db.get<IMessagingMessage>('messagingMessages');
+export default MessagingMessage;
+
+export interface IMessagingMessage {
+	_id: mongo.ObjectID;
+	createdAt: Date;
+	text: string;
+	userId: mongo.ObjectID;
+	recipientId: mongo.ObjectID;
+	isRead: boolean;
+	fileId: mongo.ObjectID;
+}
+
+export function isValidText(text: string): boolean {
+	return text.length <= 1000 && text.trim() != '';
+}
+
+/**
+ * Pack a messaging message for API response
+ *
+ * @param {any} message
+ * @param {any} me?
+ * @param {any} options?
+ * @return {Promise<any>}
+ */
+export const pack = (
+	message: any,
+	me?: any,
+	options?: {
+		populateRecipient: boolean
+	}
+) => new Promise<any>(async (resolve, reject) => {
+	const opts = options || {
+		populateRecipient: true
+	};
+
+	let _message: any;
+
+	// Populate the message if 'message' is ID
+	if (mongo.ObjectID.prototype.isPrototypeOf(message)) {
+		_message = await MessagingMessage.findOne({
+			_id: message
+		});
+	} else if (typeof message === 'string') {
+		_message = await MessagingMessage.findOne({
+			_id: new mongo.ObjectID(message)
+		});
+	} else {
+		_message = deepcopy(message);
+	}
+
+	// Rename _id to id
+	_message.id = _message._id;
+	delete _message._id;
+
+	// Parse text
+	if (_message.text) {
+		_message.ast = parse(_message.text);
+	}
+
+	// Populate user
+	_message.user = await packUser(_message.userId, me);
+
+	if (_message.fileId) {
+		// Populate file
+		_message.file = await packFile(_message.fileId);
+	}
+
+	if (opts.populateRecipient) {
+		// Populate recipient
+		_message.recipient = await packUser(_message.recipientId, me);
+	}
+
+	resolve(_message);
+});
diff --git a/src/models/meta.ts b/src/models/meta.ts
new file mode 100644
index 0000000000..710bb23382
--- /dev/null
+++ b/src/models/meta.ts
@@ -0,0 +1,8 @@
+import db from '../db/mongodb';
+
+const Meta = db.get<IMeta>('meta');
+export default Meta;
+
+export type IMeta = {
+	broadcasts: any[];
+};
diff --git a/src/models/mute.ts b/src/models/mute.ts
new file mode 100644
index 0000000000..8793615967
--- /dev/null
+++ b/src/models/mute.ts
@@ -0,0 +1,13 @@
+import * as mongo from 'mongodb';
+import db from '../db/mongodb';
+
+const Mute = db.get<IMute>('mute');
+export default Mute;
+
+export interface IMute {
+	_id: mongo.ObjectID;
+	createdAt: Date;
+	deletedAt: Date;
+	muterId: mongo.ObjectID;
+	muteeId: mongo.ObjectID;
+}
diff --git a/src/models/notification.ts b/src/models/notification.ts
new file mode 100644
index 0000000000..078c8d5118
--- /dev/null
+++ b/src/models/notification.ts
@@ -0,0 +1,107 @@
+import * as mongo from 'mongodb';
+import deepcopy = require('deepcopy');
+import db from '../db/mongodb';
+import { IUser, pack as packUser } from './user';
+import { pack as packPost } from './post';
+
+const Notification = db.get<INotification>('notifications');
+export default Notification;
+
+export interface INotification {
+	_id: mongo.ObjectID;
+	createdAt: Date;
+
+	/**
+	 * 通知の受信者
+	 */
+	notifiee?: IUser;
+
+	/**
+	 * 通知の受信者
+	 */
+	notifieeId: mongo.ObjectID;
+
+	/**
+	 * イニシエータ(initiator)、Origin。通知を行う原因となったユーザー
+	 */
+	notifier?: IUser;
+
+	/**
+	 * イニシエータ(initiator)、Origin。通知を行う原因となったユーザー
+	 */
+	notifierId: mongo.ObjectID;
+
+	/**
+	 * 通知の種類。
+	 * follow - フォローされた
+	 * mention - 投稿で自分が言及された
+	 * reply - (自分または自分がWatchしている)投稿が返信された
+	 * repost - (自分または自分がWatchしている)投稿がRepostされた
+	 * quote - (自分または自分がWatchしている)投稿が引用Repostされた
+	 * reaction - (自分または自分がWatchしている)投稿にリアクションされた
+	 * poll_vote - (自分または自分がWatchしている)投稿の投票に投票された
+	 */
+	type: 'follow' | 'mention' | 'reply' | 'repost' | 'quote' | 'reaction' | 'poll_vote';
+
+	/**
+	 * 通知が読まれたかどうか
+	 */
+	isRead: Boolean;
+}
+
+/**
+ * Pack a notification for API response
+ *
+ * @param {any} notification
+ * @return {Promise<any>}
+ */
+export const pack = (notification: any) => new Promise<any>(async (resolve, reject) => {
+	let _notification: any;
+
+	// Populate the notification if 'notification' is ID
+	if (mongo.ObjectID.prototype.isPrototypeOf(notification)) {
+		_notification = await Notification.findOne({
+			_id: notification
+		});
+	} else if (typeof notification === 'string') {
+		_notification = await Notification.findOne({
+			_id: new mongo.ObjectID(notification)
+		});
+	} else {
+		_notification = deepcopy(notification);
+	}
+
+	// Rename _id to id
+	_notification.id = _notification._id;
+	delete _notification._id;
+
+	// Rename notifierId to userId
+	_notification.userId = _notification.notifierId;
+	delete _notification.notifierId;
+
+	const me = _notification.notifieeId;
+	delete _notification.notifieeId;
+
+	// Populate notifier
+	_notification.user = await packUser(_notification.userId, me);
+
+	switch (_notification.type) {
+		case 'follow':
+			// nope
+			break;
+		case 'mention':
+		case 'reply':
+		case 'repost':
+		case 'quote':
+		case 'reaction':
+		case 'poll_vote':
+			// Populate post
+			_notification.post = await packPost(_notification.postId, me);
+			break;
+		default:
+			console.error(`Unknown type: ${_notification.type}`);
+			break;
+	}
+
+	resolve(_notification);
+});
diff --git a/src/models/othello-game.ts b/src/models/othello-game.ts
new file mode 100644
index 0000000000..297aee3028
--- /dev/null
+++ b/src/models/othello-game.ts
@@ -0,0 +1,109 @@
+import * as mongo from 'mongodb';
+import deepcopy = require('deepcopy');
+import db from '../db/mongodb';
+import { IUser, pack as packUser } from './user';
+
+const OthelloGame = db.get<IOthelloGame>('othelloGames');
+export default OthelloGame;
+
+export interface IOthelloGame {
+	_id: mongo.ObjectID;
+	createdAt: Date;
+	startedAt: Date;
+	user1Id: mongo.ObjectID;
+	user2Id: mongo.ObjectID;
+	user1Accepted: boolean;
+	user2Accepted: boolean;
+
+	/**
+	 * どちらのプレイヤーが先行(黒)か
+	 * 1 ... user1
+	 * 2 ... user2
+	 */
+	black: number;
+
+	isStarted: boolean;
+	isEnded: boolean;
+	winnerId: mongo.ObjectID;
+	logs: Array<{
+		at: Date;
+		color: boolean;
+		pos: number;
+	}>;
+	settings: {
+		map: string[];
+		bw: string | number;
+		isLlotheo: boolean;
+		canPutEverywhere: boolean;
+		loopedBoard: boolean;
+	};
+	form1: any;
+	form2: any;
+
+	// ログのposを文字列としてすべて連結したもののCRC32値
+	crc32: string;
+}
+
+/**
+ * Pack an othello game for API response
+ */
+export const pack = (
+	game: any,
+	me?: string | mongo.ObjectID | IUser,
+	options?: {
+		detail?: boolean
+	}
+) => new Promise<any>(async (resolve, reject) => {
+	const opts = Object.assign({
+		detail: true
+	}, options);
+
+	let _game: any;
+
+	// Populate the game if 'game' is ID
+	if (mongo.ObjectID.prototype.isPrototypeOf(game)) {
+		_game = await OthelloGame.findOne({
+			_id: game
+		});
+	} else if (typeof game === 'string') {
+		_game = await OthelloGame.findOne({
+			_id: new mongo.ObjectID(game)
+		});
+	} else {
+		_game = deepcopy(game);
+	}
+
+	// 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;
+
+	// Rename _id to id
+	_game.id = _game._id;
+	delete _game._id;
+
+	if (opts.detail === false) {
+		delete _game.logs;
+		delete _game.settings.map;
+	} else {
+		// 互換性のため
+		if (_game.settings.map.hasOwnProperty('size')) {
+			_game.settings.map = _game.settings.map.data.match(new RegExp(`.{1,${_game.settings.map.size}}`, 'g'));
+		}
+	}
+
+	// Populate user
+	_game.user1 = await packUser(_game.user1Id, meId);
+	_game.user2 = await packUser(_game.user2Id, meId);
+	if (_game.winnerId) {
+		_game.winner = await packUser(_game.winnerId, meId);
+	} else {
+		_game.winner = null;
+	}
+
+	resolve(_game);
+});
diff --git a/src/models/othello-matching.ts b/src/models/othello-matching.ts
new file mode 100644
index 0000000000..8082c258c8
--- /dev/null
+++ b/src/models/othello-matching.ts
@@ -0,0 +1,44 @@
+import * as mongo from 'mongodb';
+import deepcopy = require('deepcopy');
+import db from '../db/mongodb';
+import { IUser, pack as packUser } from './user';
+
+const Matching = db.get<IMatching>('othelloMatchings');
+export default Matching;
+
+export interface IMatching {
+	_id: mongo.ObjectID;
+	createdAt: Date;
+	parentId: mongo.ObjectID;
+	childId: mongo.ObjectID;
+}
+
+/**
+ * Pack an othello matching for API response
+ */
+export const pack = (
+	matching: any,
+	me?: string | mongo.ObjectID | IUser
+) => new Promise<any>(async (resolve, reject) => {
+
+	// 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;
+
+	const _matching = deepcopy(matching);
+
+	// Rename _id to id
+	_matching.id = _matching._id;
+	delete _matching._id;
+
+	// Populate user
+	_matching.parent = await packUser(_matching.parentId, meId);
+	_matching.child = await packUser(_matching.childId, meId);
+
+	resolve(_matching);
+});
diff --git a/src/models/poll-vote.ts b/src/models/poll-vote.ts
new file mode 100644
index 0000000000..cd18ffd5f8
--- /dev/null
+++ b/src/models/poll-vote.ts
@@ -0,0 +1,13 @@
+import * as mongo from 'mongodb';
+import db from '../db/mongodb';
+
+const PollVote = db.get<IPollVote>('pollVotes');
+export default PollVote;
+
+export interface IPollVote {
+	_id: mongo.ObjectID;
+	createdAt: Date;
+	userId: mongo.ObjectID;
+	postId: mongo.ObjectID;
+	choice: number;
+}
diff --git a/src/models/post-reaction.ts b/src/models/post-reaction.ts
new file mode 100644
index 0000000000..3fc33411fb
--- /dev/null
+++ b/src/models/post-reaction.ts
@@ -0,0 +1,53 @@
+import * as mongo from 'mongodb';
+import deepcopy = require('deepcopy');
+import db from '../db/mongodb';
+import Reaction from './post-reaction';
+import { pack as packUser } from './user';
+
+const PostReaction = db.get<IPostReaction>('postReactions');
+export default PostReaction;
+
+export interface IPostReaction {
+	_id: mongo.ObjectID;
+	createdAt: Date;
+	deletedAt: Date;
+	postId: mongo.ObjectID;
+	userId: mongo.ObjectID;
+	reaction: string;
+}
+
+/**
+ * Pack a reaction for API response
+ *
+ * @param {any} reaction
+ * @param {any} me?
+ * @return {Promise<any>}
+ */
+export const pack = (
+	reaction: any,
+	me?: any
+) => new Promise<any>(async (resolve, reject) => {
+	let _reaction: any;
+
+	// Populate the reaction if 'reaction' is ID
+	if (mongo.ObjectID.prototype.isPrototypeOf(reaction)) {
+		_reaction = await Reaction.findOne({
+			_id: reaction
+		});
+	} else if (typeof reaction === 'string') {
+		_reaction = await Reaction.findOne({
+			_id: new mongo.ObjectID(reaction)
+		});
+	} else {
+		_reaction = deepcopy(reaction);
+	}
+
+	// Rename _id to id
+	_reaction.id = _reaction._id;
+	delete _reaction._id;
+
+	// Populate user
+	_reaction.user = await packUser(_reaction.userId, me);
+
+	resolve(_reaction);
+});
diff --git a/src/models/post-watching.ts b/src/models/post-watching.ts
new file mode 100644
index 0000000000..b4ddcaafa6
--- /dev/null
+++ b/src/models/post-watching.ts
@@ -0,0 +1,12 @@
+import * as mongo from 'mongodb';
+import db from '../db/mongodb';
+
+const PostWatching = db.get<IPostWatching>('postWatching');
+export default PostWatching;
+
+export interface IPostWatching {
+	_id: mongo.ObjectID;
+	createdAt: Date;
+	userId: mongo.ObjectID;
+	postId: mongo.ObjectID;
+}
diff --git a/src/models/post.ts b/src/models/post.ts
new file mode 100644
index 0000000000..833e599320
--- /dev/null
+++ b/src/models/post.ts
@@ -0,0 +1,221 @@
+import * as mongo from 'mongodb';
+import deepcopy = require('deepcopy');
+import rap from '@prezzemolo/rap';
+import db from '../db/mongodb';
+import { IUser, pack as packUser } from './user';
+import { pack as packApp } from './app';
+import { pack as packChannel } from './channel';
+import Vote from './poll-vote';
+import Reaction from './post-reaction';
+import { pack as packFile } from './drive-file';
+import parse from '../common/text';
+
+const Post = db.get<IPost>('posts');
+
+export default Post;
+
+export function isValidText(text: string): boolean {
+	return text.length <= 1000 && text.trim() != '';
+}
+
+export type IPost = {
+	_id: mongo.ObjectID;
+	channelId: mongo.ObjectID;
+	createdAt: Date;
+	mediaIds: mongo.ObjectID[];
+	replyId: mongo.ObjectID;
+	repostId: mongo.ObjectID;
+	poll: any; // todo
+	text: string;
+	userId: mongo.ObjectID;
+	appId: mongo.ObjectID;
+	viaMobile: boolean;
+	repostCount: number;
+	repliesCount: number;
+	reactionCounts: any;
+	mentions: mongo.ObjectID[];
+	geo: {
+		coordinates: number[];
+		altitude: number;
+		accuracy: number;
+		altitudeAccuracy: number;
+		heading: number;
+		speed: number;
+	};
+};
+
+/**
+ * Pack a post for API response
+ *
+ * @param post target
+ * @param me? serializee
+ * @param options? serialize options
+ * @return response
+ */
+export const pack = async (
+	post: string | mongo.ObjectID | IPost,
+	me?: string | mongo.ObjectID | IUser,
+	options?: {
+		detail: boolean
+	}
+) => {
+	const opts = options || {
+		detail: true,
+	};
+
+	// 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;
+
+	let _post: any;
+
+	// Populate the post if 'post' is ID
+	if (mongo.ObjectID.prototype.isPrototypeOf(post)) {
+		_post = await Post.findOne({
+			_id: post
+		});
+	} else if (typeof post === 'string') {
+		_post = await Post.findOne({
+			_id: new mongo.ObjectID(post)
+		});
+	} else {
+		_post = deepcopy(post);
+	}
+
+	if (!_post) throw 'invalid post arg.';
+
+	const id = _post._id;
+
+	// Rename _id to id
+	_post.id = _post._id;
+	delete _post._id;
+
+	delete _post.mentions;
+	if (_post.geo) delete _post.geo.type;
+
+	// Parse text
+	if (_post.text) {
+		_post.ast = parse(_post.text);
+	}
+
+	// Populate user
+	_post.user = packUser(_post.userId, meId);
+
+	// Populate app
+	if (_post.appId) {
+		_post.app = packApp(_post.appId);
+	}
+
+	// Populate channel
+	if (_post.channelId) {
+		_post.channel = packChannel(_post.channelId);
+	}
+
+	// Populate media
+	if (_post.mediaIds) {
+		_post.media = Promise.all(_post.mediaIds.map(fileId =>
+			packFile(fileId)
+		));
+	}
+
+	// When requested a detailed post data
+	if (opts.detail) {
+		// Get previous post info
+		_post.prev = (async () => {
+			const prev = await Post.findOne({
+				userId: _post.userId,
+				_id: {
+					$lt: id
+				}
+			}, {
+				fields: {
+					_id: true
+				},
+				sort: {
+					_id: -1
+				}
+			});
+			return prev ? prev._id : null;
+		})();
+
+		// Get next post info
+		_post.next = (async () => {
+			const next = await Post.findOne({
+				userId: _post.userId,
+				_id: {
+					$gt: id
+				}
+			}, {
+				fields: {
+					_id: true
+				},
+				sort: {
+					_id: 1
+				}
+			});
+			return next ? next._id : null;
+		})();
+
+		if (_post.replyId) {
+			// Populate reply to post
+			_post.reply = pack(_post.replyId, meId, {
+				detail: false
+			});
+		}
+
+		if (_post.repostId) {
+			// Populate repost
+			_post.repost = pack(_post.repostId, meId, {
+				detail: _post.text == null
+			});
+		}
+
+		// Poll
+		if (meId && _post.poll) {
+			_post.poll = (async (poll) => {
+				const vote = await Vote
+					.findOne({
+						userId: meId,
+						postId: id
+					});
+
+				if (vote != null) {
+					const myChoice = poll.choices
+						.filter(c => c.id == vote.choice)[0];
+
+					myChoice.isVoted = true;
+				}
+
+				return poll;
+			})(_post.poll);
+		}
+
+		// Fetch my reaction
+		if (meId) {
+			_post.myReaction = (async () => {
+				const reaction = await Reaction
+					.findOne({
+						userId: meId,
+						postId: id,
+						deletedAt: { $exists: false }
+					});
+
+				if (reaction) {
+					return reaction.reaction;
+				}
+
+				return null;
+			})();
+		}
+	}
+
+	// resolve promises in _post object
+	_post = await rap(_post);
+
+	return _post;
+};
diff --git a/src/models/signin.ts b/src/models/signin.ts
new file mode 100644
index 0000000000..7f56e1a283
--- /dev/null
+++ b/src/models/signin.ts
@@ -0,0 +1,34 @@
+import * as mongo from 'mongodb';
+import deepcopy = require('deepcopy');
+import db from '../db/mongodb';
+
+const Signin = db.get<ISignin>('signin');
+export default Signin;
+
+export interface ISignin {
+	_id: mongo.ObjectID;
+	createdAt: Date;
+	userId: mongo.ObjectID;
+	ip: string;
+	headers: any;
+	success: boolean;
+}
+
+/**
+ * Pack a signin record for API response
+ *
+ * @param {any} record
+ * @return {Promise<any>}
+ */
+export const pack = (
+	record: any
+) => new Promise<any>(async (resolve, reject) => {
+
+	const _record = deepcopy(record);
+
+	// Rename _id to id
+	_record.id = _record._id;
+	delete _record._id;
+
+	resolve(_record);
+});
diff --git a/src/models/sw-subscription.ts b/src/models/sw-subscription.ts
new file mode 100644
index 0000000000..743d0d2dd9
--- /dev/null
+++ b/src/models/sw-subscription.ts
@@ -0,0 +1,13 @@
+import * as mongo from 'mongodb';
+import db from '../db/mongodb';
+
+const SwSubscription = db.get<ISwSubscription>('swSubscriptions');
+export default SwSubscription;
+
+export interface ISwSubscription {
+	_id: mongo.ObjectID;
+	userId: mongo.ObjectID;
+	endpoint: string;
+	auth: string;
+	publickey: string;
+}
diff --git a/src/models/user.ts b/src/models/user.ts
new file mode 100644
index 0000000000..4f2872800f
--- /dev/null
+++ b/src/models/user.ts
@@ -0,0 +1,341 @@
+import * as mongo from 'mongodb';
+import deepcopy = require('deepcopy');
+import rap from '@prezzemolo/rap';
+import db from '../db/mongodb';
+import { IPost, pack as packPost } from './post';
+import Following from './following';
+import Mute from './mute';
+import getFriends from '../server/api/common/get-friends';
+import config from '../conf';
+
+const User = db.get<IUser>('users');
+
+User.createIndex('username');
+User.createIndex('account.token');
+
+export default User;
+
+export function validateUsername(username: string): boolean {
+	return typeof username == 'string' && /^[a-zA-Z0-9\-]{3,20}$/.test(username);
+}
+
+export function validatePassword(password: string): boolean {
+	return typeof password == 'string' && password != '';
+}
+
+export function isValidName(name: string): boolean {
+	return typeof name == 'string' && name.length < 30 && name.trim() != '';
+}
+
+export function isValidDescription(description: string): boolean {
+	return typeof description == 'string' && description.length < 500 && description.trim() != '';
+}
+
+export function isValidLocation(location: string): boolean {
+	return typeof location == 'string' && location.length < 50 && location.trim() != '';
+}
+
+export function isValidBirthday(birthday: string): boolean {
+	return typeof birthday == 'string' && /^([0-9]{4})\-([0-9]{2})-([0-9]{2})$/.test(birthday);
+}
+
+export type ILocalAccount = {
+	keypair: string;
+	email: string;
+	links: string[];
+	password: string;
+	token: string;
+	twitter: {
+		accessToken: string;
+		accessTokenSecret: string;
+		userId: string;
+		screenName: string;
+	};
+	line: {
+		userId: string;
+	};
+	profile: {
+		location: string;
+		birthday: string; // 'YYYY-MM-DD'
+		tags: string[];
+	};
+	lastUsedAt: Date;
+	isBot: boolean;
+	isPro: boolean;
+	twoFactorSecret: string;
+	twoFactorEnabled: boolean;
+	twoFactorTempSecret: string;
+	clientSettings: any;
+	settings: any;
+};
+
+export type IRemoteAccount = {
+	uri: string;
+};
+
+export type IUser = {
+	_id: mongo.ObjectID;
+	createdAt: Date;
+	deletedAt: Date;
+	followersCount: number;
+	followingCount: number;
+	name: string;
+	postsCount: number;
+	driveCapacity: number;
+	username: string;
+	usernameLower: string;
+	avatarId: mongo.ObjectID;
+	bannerId: mongo.ObjectID;
+	data: any;
+	description: string;
+	latestPost: IPost;
+	pinnedPostId: mongo.ObjectID;
+	isSuspended: boolean;
+	keywords: string[];
+	host: string;
+	hostLower: string;
+	account: ILocalAccount | IRemoteAccount;
+};
+
+export function init(user): IUser {
+	user._id = new mongo.ObjectID(user._id);
+	user.avatarId = new mongo.ObjectID(user.avatarId);
+	user.bannerId = new mongo.ObjectID(user.bannerId);
+	user.pinnedPostId = new mongo.ObjectID(user.pinnedPostId);
+	return user;
+}
+
+/**
+ * Pack a user for API response
+ *
+ * @param user target
+ * @param me? serializee
+ * @param options? serialize options
+ * @return Packed user
+ */
+export const pack = (
+	user: string | mongo.ObjectID | IUser,
+	me?: string | mongo.ObjectID | IUser,
+	options?: {
+		detail?: boolean,
+		includeSecrets?: boolean
+	}
+) => new Promise<any>(async (resolve, reject) => {
+
+	const opts = Object.assign({
+		detail: false,
+		includeSecrets: false
+	}, options);
+
+	let _user: any;
+
+	const fields = opts.detail ? {
+	} : {
+		'account.settings': false,
+		'account.clientSettings': false,
+		'account.profile': false,
+		'account.keywords': false,
+		'account.domains': false
+	};
+
+	// Populate the user if 'user' is ID
+	if (mongo.ObjectID.prototype.isPrototypeOf(user)) {
+		_user = await User.findOne({
+			_id: user
+		}, { fields });
+	} else if (typeof user === 'string') {
+		_user = await User.findOne({
+			_id: new mongo.ObjectID(user)
+		}, { fields });
+	} else {
+		_user = deepcopy(user);
+	}
+
+	if (!_user) return reject('invalid user arg.');
+
+	// 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;
+
+	// Rename _id to id
+	_user.id = _user._id;
+	delete _user._id;
+
+	// Remove needless properties
+	delete _user.latestPost;
+
+	if (!_user.host) {
+		// Remove private properties
+		delete _user.account.keypair;
+		delete _user.account.password;
+		delete _user.account.token;
+		delete _user.account.twoFactorTempSecret;
+		delete _user.account.twoFactorSecret;
+		delete _user.usernameLower;
+		if (_user.account.twitter) {
+			delete _user.account.twitter.accessToken;
+			delete _user.account.twitter.accessTokenSecret;
+		}
+		delete _user.account.line;
+
+		// Visible via only the official client
+		if (!opts.includeSecrets) {
+			delete _user.account.email;
+			delete _user.account.settings;
+			delete _user.account.clientSettings;
+		}
+
+		if (!opts.detail) {
+			delete _user.account.twoFactorEnabled;
+		}
+	}
+
+	_user.avatarUrl = _user.avatarId != null
+		? `${config.drive_url}/${_user.avatarId}`
+		: `${config.drive_url}/default-avatar.jpg`;
+
+	_user.bannerUrl = _user.bannerId != null
+		? `${config.drive_url}/${_user.bannerId}`
+		: null;
+
+	if (!meId || !meId.equals(_user.id) || !opts.detail) {
+		delete _user.avatarId;
+		delete _user.bannerId;
+
+		delete _user.driveCapacity;
+	}
+
+	if (meId && !meId.equals(_user.id)) {
+		// Whether the user is following
+		_user.isFollowing = (async () => {
+			const follow = await Following.findOne({
+				followerId: meId,
+				followeeId: _user.id,
+				deletedAt: { $exists: false }
+			});
+			return follow !== null;
+		})();
+
+		// Whether the user is followed
+		_user.isFollowed = (async () => {
+			const follow2 = await Following.findOne({
+				followerId: _user.id,
+				followeeId: meId,
+				deletedAt: { $exists: false }
+			});
+			return follow2 !== null;
+		})();
+
+		// Whether the user is muted
+		_user.isMuted = (async () => {
+			const mute = await Mute.findOne({
+				muterId: meId,
+				muteeId: _user.id,
+				deletedAt: { $exists: false }
+			});
+			return mute !== null;
+		})();
+	}
+
+	if (opts.detail) {
+		if (_user.pinnedPostId) {
+			// Populate pinned post
+			_user.pinnedPost = packPost(_user.pinnedPostId, meId, {
+				detail: true
+			});
+		}
+
+		if (meId && !meId.equals(_user.id)) {
+			const myFollowingIds = await getFriends(meId);
+
+			// Get following you know count
+			_user.followingYouKnowCount = Following.count({
+				followeeId: { $in: myFollowingIds },
+				followerId: _user.id,
+				deletedAt: { $exists: false }
+			});
+
+			// Get followers you know count
+			_user.followersYouKnowCount = Following.count({
+				followeeId: _user.id,
+				followerId: { $in: myFollowingIds },
+				deletedAt: { $exists: false }
+			});
+		}
+	}
+
+	// resolve promises in _user object
+	_user = await rap(_user);
+
+	resolve(_user);
+});
+
+/**
+ * Pack a user for ActivityPub
+ *
+ * @param user target
+ * @return Packed user
+ */
+export const packForAp = (
+	user: string | mongo.ObjectID | IUser
+) => new Promise<any>(async (resolve, reject) => {
+
+	let _user: any;
+
+	const fields = {
+		// something
+	};
+
+	// Populate the user if 'user' is ID
+	if (mongo.ObjectID.prototype.isPrototypeOf(user)) {
+		_user = await User.findOne({
+			_id: user
+		}, { fields });
+	} else if (typeof user === 'string') {
+		_user = await User.findOne({
+			_id: new mongo.ObjectID(user)
+		}, { fields });
+	} else {
+		_user = deepcopy(user);
+	}
+
+	if (!_user) return reject('invalid user arg.');
+
+	const userUrl = `${config.url}/@${_user.username}`;
+
+	resolve({
+		"@context": ["https://www.w3.org/ns/activitystreams", {
+			"@language": "ja"
+		}],
+		"type": "Person",
+		"id": userUrl,
+		"following": `${userUrl}/following.json`,
+		"followers": `${userUrl}/followers.json`,
+		"liked": `${userUrl}/liked.json`,
+		"inbox": `${userUrl}/inbox.json`,
+		"outbox": `${userUrl}/outbox.json`,
+		"preferredUsername": _user.username,
+		"name": _user.name,
+		"summary": _user.description,
+		"icon": [
+			`${config.drive_url}/${_user.avatarId}`
+		]
+	});
+});
+
+/*
+function img(url) {
+	return {
+		thumbnail: {
+			large: `${url}`,
+			medium: '',
+			small: ''
+		}
+	};
+}
+*/