From 672fd562f322463d9734eb8980a7d472a6e8b660 Mon Sep 17 00:00:00 2001
From: Pouria Ezzati <ezzati.upt@gmail.com>
Date: Fri, 6 Oct 2017 16:34:23 +0330
Subject: [PATCH 01/17] refactoring, created messages folder and added context
 state

---
 handlers/commands/addCommand.js               |  7 ++--
 handlers/commands/admin.js                    | 11 ++---
 handlers/commands/ban.js                      |  6 +--
 handlers/commands/getwarns.js                 |  7 ++--
 handlers/commands/leave.js                    | 11 +++--
 handlers/commands/nowarns.js                  |  9 ++--
 handlers/commands/removeCommand.js            | 15 ++-----
 handlers/commands/unadmin.js                  |  9 ++--
 handlers/commands/unban.js                    |  9 ++--
 handlers/commands/unwarn.js                   | 11 ++---
 handlers/commands/warn.js                     |  9 ++--
 .../{middlewares => messages}/addCustomCmd.js | 17 ++++----
 handlers/messages/addUser.js                  | 41 +++++++++++++++++++
 .../checkUsername.js                          |  0
 .../{middlewares => messages}/removeLinks.js  | 18 ++++----
 .../{middlewares => messages}/runCustomCmd.js | 15 ++-----
 handlers/middlewares/addUser.js               | 33 ---------------
 index.js                                      | 16 +++++---
 18 files changed, 120 insertions(+), 124 deletions(-)
 rename handlers/{middlewares => messages}/addCustomCmd.js (90%)
 create mode 100644 handlers/messages/addUser.js
 rename handlers/{middlewares => messages}/checkUsername.js (100%)
 rename handlers/{middlewares => messages}/removeLinks.js (76%)
 rename handlers/{middlewares => messages}/runCustomCmd.js (82%)
 delete mode 100644 handlers/middlewares/addUser.js

diff --git a/handlers/commands/addCommand.js b/handlers/commands/addCommand.js
index c7ea8f5..b2bd8ad 100644
--- a/handlers/commands/addCommand.js
+++ b/handlers/commands/addCommand.js
@@ -1,18 +1,17 @@
 'use strict';
 
 // DB
-const { isAdmin } = require('../../stores/user');
 const { addCommand } = require('../../stores/command');
 
 // Bot
 const { replyOptions } = require('../../bot/options');
 
-const addCommandHandler = async ({ chat, message, reply }) => {
-	const user = message.from;
+const addCommandHandler = async ({ chat, reply, state }) => {
+	const { isAdmin, user } = state;
 	if (chat.type !== 'private') {
 		return null;
 	}
-	if (!await isAdmin(user)) {
+	if (!isAdmin) {
 		return reply('ℹ️ <b>Sorry, only admins access this command.</b>',
 			replyOptions);
 	}
diff --git a/handlers/commands/admin.js b/handlers/commands/admin.js
index bee579f..5bb45f3 100644
--- a/handlers/commands/admin.js
+++ b/handlers/commands/admin.js
@@ -1,13 +1,9 @@
 'use strict';
 
 // Utils
-const { loadJSON } = require('../../utils/json');
 const { link } = require('../../utils/tg');
 const { logError } = require('../../utils/log');
 
-// Config
-const { masterID } = loadJSON('config.json');
-
 // Bot
 const { replyOptions } = require('../../bot/options');
 
@@ -20,8 +16,9 @@ const {
 	nowarns
 } = require('../../stores/user');
 
-const adminHandler = async ({ message, reply }) => {
-	if (message.from.id !== masterID) {
+const adminHandler = async ({ message, reply, state }) => {
+	const { isMaster, user } = state;
+	if (!isMaster) {
 		return null;
 	}
 
@@ -29,7 +26,7 @@ const adminHandler = async ({ message, reply }) => {
 		? message.reply_to_message.from
 		: message.commandMention
 			? message.commandMention
-			: message.from;
+			: user;
 
 	if (await isBanned(userToAdmin)) {
 		return reply('ℹ️ <b>Can\'t admin banned user.</b>', replyOptions);
diff --git a/handlers/commands/ban.js b/handlers/commands/ban.js
index 5d7f05a..66f7213 100644
--- a/handlers/commands/ban.js
+++ b/handlers/commands/ban.js
@@ -12,8 +12,8 @@ const { replyOptions } = require('../../bot/options');
 const { listGroups } = require('../../stores/group');
 const { isAdmin, isBanned, ban } = require('../../stores/user');
 
-const banHandler = async ({ chat, message, reply, telegram, me }) => {
-	if (!await isAdmin(message.from)) {
+const banHandler = async ({ chat, message, reply, telegram, me, state }) => {
+	if (!state.isAdmin) {
 		return null;
 	}
 
@@ -69,7 +69,7 @@ const banHandler = async ({ chat, message, reply, telegram, me }) => {
 		logError(err);
 	}
 
-	return reply(`🚫 ${link(message.from)} <b>banned</b> ${link(userToBan)} ` +
+	return reply(`🚫 ${link(state.user)} <b>banned</b> ${link(userToBan)} ` +
 		`<b>for:</b>\n\n${reason}`, replyOptions);
 };
 
diff --git a/handlers/commands/getwarns.js b/handlers/commands/getwarns.js
index d6c7a99..fc3b871 100644
--- a/handlers/commands/getwarns.js
+++ b/handlers/commands/getwarns.js
@@ -7,10 +7,11 @@ const { link } = require('../../utils/tg');
 const { replyOptions } = require('../../bot/options');
 
 // DB
-const { isAdmin, getWarns } = require('../../stores/user');
+const { getWarns } = require('../../stores/user');
 
-const getWarnsHandler = async ({ message, reply }) => {
-	if (!await isAdmin(message.from)) {
+const getWarnsHandler = async ({ message, reply, state }) => {
+	const { isAdmin } = state;
+	if (!isAdmin) {
 		return null;
 	}
 	const theUser = message.reply_to_message
diff --git a/handlers/commands/leave.js b/handlers/commands/leave.js
index f06f052..e7528dc 100644
--- a/handlers/commands/leave.js
+++ b/handlers/commands/leave.js
@@ -1,15 +1,14 @@
 'use strict';
 
-const { masterID } = require('../../config.json');
-
 const { removeGroup } = require('../../stores/group');
 
-const leaveCommandHandler = async ctx => {
-	if (ctx.from.id !== masterID) {
+const leaveCommandHandler = async ({ chat, telegram, state }) => {
+	const { isMaster } = state;
+	if (!isMaster) {
 		return null;
 	}
-	await removeGroup(ctx.chat);
-	return ctx.telegram.leaveChat(ctx.chat.id);
+	await removeGroup(chat);
+	return telegram.leaveChat(chat.id);
 };
 
 module.exports = leaveCommandHandler;
diff --git a/handlers/commands/nowarns.js b/handlers/commands/nowarns.js
index 5c398fc..fdee869 100644
--- a/handlers/commands/nowarns.js
+++ b/handlers/commands/nowarns.js
@@ -8,10 +8,11 @@ const { logError } = require('../../utils/log');
 const { replyOptions } = require('../../bot/options');
 
 // DB
-const { isAdmin, getWarns, nowarns } = require('../../stores/user');
+const { getWarns, nowarns } = require('../../stores/user');
 
-const nowarnsHandler = async ({ message, reply }) => {
-	if (!await isAdmin(message.from)) {
+const nowarnsHandler = async ({ message, reply, state }) => {
+	const { isAdmin, user } = state;
+	if (!isAdmin) {
 		return null;
 	}
 
@@ -39,7 +40,7 @@ const nowarnsHandler = async ({ message, reply }) => {
 	}
 
 	return reply(
-		`♻️ ${link(message.from)} <b>pardoned</b> ${link(userToUnwarn)} ` +
+		`♻️ ${link(user)} <b>pardoned</b> ${link(userToUnwarn)} ` +
 		'<b>for all of their warnings.</b>',
 		replyOptions);
 };
diff --git a/handlers/commands/removeCommand.js b/handlers/commands/removeCommand.js
index 3a3e041..a029b48 100644
--- a/handlers/commands/removeCommand.js
+++ b/handlers/commands/removeCommand.js
@@ -1,25 +1,18 @@
 'use strict';
 
-// Utils
-const { loadJSON } = require('../../utils/json');
-
-// Config
-const { masterID } = loadJSON('config.json');
-
 // DB
-const { isAdmin } = require('../../stores/user');
 const { getCommand, removeCommand } = require('../../stores/command');
 
 // Bot
 const { replyOptions } = require('../../bot/options');
 
-const removeCommandHandler = async ({ chat, message, reply }) => {
-	const user = message.from;
+const removeCommandHandler = async ({ chat, message, reply, state }) => {
+	const { isAdmin, isMaster } = state;
 	const { text } = message;
 	if (chat.type !== 'private') {
 		return null;
 	}
-	if (!await isAdmin(user)) {
+	if (!isAdmin) {
 		return reply('ℹ️ <b>Sorry, only admins access this command.</b>',
 			replyOptions);
 	}
@@ -37,7 +30,7 @@ const removeCommandHandler = async ({ chat, message, reply }) => {
 			replyOptions);
 	}
 
-	if (command.role === 'Master' && user.id !== masterID) {
+	if (command.role === 'Master' && !isMaster) {
 		return reply('ℹ️ <b>Sorry, only master can remove this command.</b>',
 			replyOptions);
 	}
diff --git a/handlers/commands/unadmin.js b/handlers/commands/unadmin.js
index ee68b03..0174a10 100644
--- a/handlers/commands/unadmin.js
+++ b/handlers/commands/unadmin.js
@@ -1,21 +1,18 @@
 'use strict';
 
 // Utils
-const { loadJSON } = require('../../utils/json');
 const { link } = require('../../utils/tg');
 const { logError } = require('../../utils/log');
 
-// Config
-const { masterID } = loadJSON('config.json');
-
 // Bot
 const { replyOptions } = require('../../bot/options');
 
 // DB
 const { isAdmin, unadmin } = require('../../stores/user');
 
-const unAdminHandler = async ({ message, reply }) => {
-	if (message.from.id !== masterID) {
+const unAdminHandler = async ({ message, reply, state }) => {
+	const { isMaster } = state;
+	if (!isMaster) {
 		return null;
 	}
 
diff --git a/handlers/commands/unban.js b/handlers/commands/unban.js
index 39713ac..37add2b 100644
--- a/handlers/commands/unban.js
+++ b/handlers/commands/unban.js
@@ -9,12 +9,13 @@ const { replyOptions } = require('../../bot/options');
 
 // DB
 const { listGroups } = require('../../stores/group');
-const { isAdmin, isBanned, unban } = require('../../stores/user');
+const { isBanned, unban } = require('../../stores/user');
 
 const noop = Function.prototype;
 
-const unbanHandler = async ({ message, reply, telegram }) => {
-	if (!await isAdmin(message.from)) {
+const unbanHandler = async ({ message, reply, telegram, state }) => {
+	const { isAdmin, user } = state;
+	if (!isAdmin) {
 		return null;
 	}
 
@@ -60,7 +61,7 @@ const unbanHandler = async ({ message, reply, telegram }) => {
 	// hance .catch(noop)
 	// (it's an expected, non-critical failure)
 
-	return reply(`♻️ ${link(message.from)} <b>unbanned</b> ` +
+	return reply(`♻️ ${link(user)} <b>unbanned</b> ` +
 		`${link(userToUnban)}.`, replyOptions);
 };
 
diff --git a/handlers/commands/unwarn.js b/handlers/commands/unwarn.js
index cc65dac..42824c3 100644
--- a/handlers/commands/unwarn.js
+++ b/handlers/commands/unwarn.js
@@ -7,10 +7,11 @@ const { link } = require('../../utils/tg');
 const { replyOptions } = require('../../bot/options');
 
 // DB
-const { isAdmin, getWarns, unwarn } = require('../../stores/user');
+const { getWarns, unwarn } = require('../../stores/user');
 
-const unwarnHandler = async ({ message, reply }) => {
-	if (!await isAdmin(message.from)) {
+const unwarnHandler = async ({ message, reply, state }) => {
+	const { isAdmin, user } = state;
+	if (!isAdmin) {
 		return null;
 	}
 
@@ -35,9 +36,9 @@ const unwarnHandler = async ({ message, reply }) => {
 	await unwarn(userToUnwarn);
 
 	return reply(
-		`❎ ${link(message.from)} <b>pardoned</b> ${link(userToUnwarn)} ` +
+		`❎ ${link(user)} <b>pardoned</b> ${link(userToUnwarn)} ` +
 		`<b>for:</b>\n\n${allWarns[allWarns.length - 1]}` +
-		`(${allWarns.length - 1}/3)`,
+		` (${allWarns.length - 1}/3)`,
 		replyOptions);
 };
 
diff --git a/handlers/commands/warn.js b/handlers/commands/warn.js
index b6afb0c..bc445cf 100644
--- a/handlers/commands/warn.js
+++ b/handlers/commands/warn.js
@@ -15,8 +15,9 @@ const { replyOptions } = require('../../bot/options');
 // DB
 const { isAdmin, ban, getWarns, warn } = require('../../stores/user');
 
-const warnHandler = async ({ message, chat, reply, me }) => {
-	if (!await isAdmin(message.from)) {
+const warnHandler = async ({ message, chat, reply, me, state }) => {
+	const { user } = state;
+	if (!state.isAdmin) {
 		return null;
 	}
 
@@ -59,14 +60,14 @@ const warnHandler = async ({ message, chat, reply, me }) => {
 
 	if (warnCount.length < numberOfWarnsToBan) {
 		promises.push(reply(
-			`⚠️ ${link(message.from)} <b>warned</b> ${link(userToWarn)} ` +
+			`⚠️ ${link(user)} <b>warned</b> ${link(userToWarn)} ` +
 			`<b>for:</b>\n\n ${reason} (${warnCount.length}/3)`,
 			replyOptions));
 	} else {
 		promises.push(bot.telegram.kickChatMember(chat.id, userToWarn.id));
 		promises.push(ban(userToWarn, 'Reached max number of warnings'));
 		promises.push(reply(
-			`🚫 ${link(message.from)} <b>banned</b> ${link(userToWarn)} ` +
+			`🚫 ${link(user)} <b>banned</b> ${link(userToWarn)} ` +
 			'<b>for:</b>\n\nReached max number of warnings ' +
 			`(${warnCount.length}/3)\n\n`,
 			replyOptions));
diff --git a/handlers/middlewares/addCustomCmd.js b/handlers/messages/addCustomCmd.js
similarity index 90%
rename from handlers/middlewares/addCustomCmd.js
rename to handlers/messages/addCustomCmd.js
index 5f0f3d2..bad7526 100644
--- a/handlers/middlewares/addCustomCmd.js
+++ b/handlers/messages/addCustomCmd.js
@@ -6,17 +6,17 @@ const { Markup } = require('telegraf');
 const { replyOptions } = require('../../bot/options');
 
 // DB
-const { isAdmin } = require('../../stores/user');
 const {
 	getCommand,
 	removeCommand,
 	updateCommand
 } = require('../../stores/command');
 
-const addCustomCmdHandler = async ({ chat, message, reply }, next) => {
+const addCustomCmdHandler = async ({ chat, message, reply, state }, next) => {
 	const { text, photo, document, video, audio } = message;
-	const { id } = message.from;
-
+	const { isAdmin, user } = state;
+	const { id } = user;
+	console.log(state);
 	if (text && /^\/\w+/.test(text)) {
 		await removeCommand({ id, isActive: false });
 		return next();
@@ -24,14 +24,13 @@ const addCustomCmdHandler = async ({ chat, message, reply }, next) => {
 
 	const command = await getCommand({ id, isActive: false });
 	if (chat.type !== 'private' ||
-		!await isAdmin(message.from) ||
+		!isAdmin ||
 		!command ||
 		!command.state) {
 		return next();
 	}
 
-	const { state } = command;
-	if (state === 'add') {
+	if (command.state === 'add') {
 		if (!/^(?=\D)\w+$/.test(text)) {
 			reply('Please send a valid command.');
 			return next();
@@ -56,7 +55,7 @@ const addCustomCmdHandler = async ({ chat, message, reply }, next) => {
 		return next();
 	}
 
-	if (state === 'role') {
+	if (command.state === 'role') {
 		if (text !== 'Master' && text !== 'Admins' && text !== 'Everyone') {
 			reply('Please send a valid role.', Markup.keyboard([
 				[ 'Master', 'Admins', 'Everyone' ]
@@ -75,7 +74,7 @@ const addCustomCmdHandler = async ({ chat, message, reply }, next) => {
 		return next();
 	}
 
-	if (state === 'content') {
+	if (command.state === 'content') {
 		let newCommand;
 		if (text) {
 			newCommand = { content: text, type: 'text' };
diff --git a/handlers/messages/addUser.js b/handlers/messages/addUser.js
new file mode 100644
index 0000000..a278b99
--- /dev/null
+++ b/handlers/messages/addUser.js
@@ -0,0 +1,41 @@
+'use strict';
+
+// Utils
+const { loadJSON } = require('../../utils/json');
+
+// Config
+const { masterID } = loadJSON('config.json');
+
+// DB
+const { addUser, isUser } = require('../../stores/user');
+
+const addUserHandler = async (ctx, next) => {
+	const { message } = ctx;
+	const newUser = message.from;
+	const user = newUser && await isUser(message.from);
+	const usersToAdd = [];
+
+	if (!user && newUser) {
+		usersToAdd.push(addUser(newUser));
+	}
+
+	ctx.state = {
+		isAdmin: user && user.status === 'admin',
+		isMaster: user.id === masterID,
+		user: newUser,
+	};
+
+	if (
+		message.reply_to_message &&
+		message.reply_to_message.from &&
+		!await isUser(message.reply_to_message.from)
+	) {
+		usersToAdd.push(addUser(message.reply_to_message.from));
+	}
+
+	await Promise.all(usersToAdd);
+
+	return next();
+};
+
+module.exports = addUserHandler;
diff --git a/handlers/middlewares/checkUsername.js b/handlers/messages/checkUsername.js
similarity index 100%
rename from handlers/middlewares/checkUsername.js
rename to handlers/messages/checkUsername.js
diff --git a/handlers/middlewares/removeLinks.js b/handlers/messages/removeLinks.js
similarity index 76%
rename from handlers/middlewares/removeLinks.js
rename to handlers/messages/removeLinks.js
index dff99c3..36de64f 100644
--- a/handlers/middlewares/removeLinks.js
+++ b/handlers/messages/removeLinks.js
@@ -17,10 +17,11 @@ const bot = require('../../bot');
 const { replyOptions } = require('../../bot/options');
 
 // DB
-const { isAdmin, ban, warn } = require('../../stores/user');
+const { ban, warn } = require('../../stores/user');
 const { listGroups } = require('../../stores/group');
 
-const removeLinks = async ({ message, chat, reply }, next) => {
+const removeLinks = async ({ message, chat, reply, state }, next) => {
+	const { isAdmin, user } = state;
 	const groups = await listGroups();
 	const groupLinks = [
 		...groups.map(group => group.link
@@ -41,26 +42,25 @@ const removeLinks = async ({ message, chat, reply }, next) => {
 		!(excludedChannels.includes(message.text) ||
 			groupLinks.includes(message.text.split('/joinchat/')[1]))
 	) {
-		const userToWarn = message.from;
-		if (await isAdmin(userToWarn)) {
+		if (isAdmin) {
 			return next();
 		}
 		const reason = 'Channel forward/link';
-		const warnCount = await warn(userToWarn, reason);
+		const warnCount = await warn(user, reason);
 		const promises = [
 			bot.telegram.deleteMessage(chat.id, message.message_id)
 		];
 		if (warnCount < numberOfWarnsToBan) {
 			promises.push(reply(
-				`⚠️ ${link(userToWarn)} <b>got warned!</b> (${warnCount}/3)` +
+				`⚠️ ${link(user)} <b>got warned!</b> (${warnCount}/3)` +
 				`\n\nReason: ${reason}`,
 				replyOptions));
 		} else {
-			promises.push(bot.telegram.kickChatMember(chat.id, userToWarn.id));
-			promises.push(ban(userToWarn,
+			promises.push(bot.telegram.kickChatMember(chat.id, user.id));
+			promises.push(ban(user,
 				'Reached max number of warnings'));
 			promises.push(reply(
-				`🚫 ${link(userToWarn)} <b>got banned</b>! (${warnCount}/3)` +
+				`🚫 ${link(user)} <b>got banned</b>! (${warnCount}/3)` +
 				'\n\nReason: Reached max number of warnings',
 				replyOptions));
 		}
diff --git a/handlers/middlewares/runCustomCmd.js b/handlers/messages/runCustomCmd.js
similarity index 82%
rename from handlers/middlewares/runCustomCmd.js
rename to handlers/messages/runCustomCmd.js
index cf3ad8e..4a55b17 100644
--- a/handlers/middlewares/runCustomCmd.js
+++ b/handlers/messages/runCustomCmd.js
@@ -1,18 +1,11 @@
 'use strict';
 
-// Utils
-const { loadJSON } = require('../../utils/json');
-
-// Config
-const { masterID } = loadJSON('config.json');
-
 // DB
 const { getCommand } = require('../../stores/command');
-const { isAdmin } = require('../../stores/user');
 
 const runCustomCmdHandler = async (ctx, next) => {
-	const { message } = ctx;
-	const user = message.from;
+	const { message, state } = ctx;
+	const { isAdmin, isMaster } = state;
 	const isCommand = message.entities &&
 		message.entities.filter(entity => entity.type === 'bot_command');
 	if (!isCommand || !isCommand.length) {
@@ -33,9 +26,9 @@ const runCustomCmdHandler = async (ctx, next) => {
 	const options = Object.assign(replyTo, caption ? { caption } : {});
 	if (
 		role === 'Master' &&
-		user.id !== masterID ||
+		!isMaster ||
 		role === 'Admins' &&
-		!await isAdmin(user)
+		!isAdmin
 	) {
 		return next();
 	}
diff --git a/handlers/middlewares/addUser.js b/handlers/middlewares/addUser.js
deleted file mode 100644
index 192d2a6..0000000
--- a/handlers/middlewares/addUser.js
+++ /dev/null
@@ -1,33 +0,0 @@
-'use strict';
-
-// Utils
-const { logError } = require('../../utils/log');
-
-// DB
-const { addUser, isUser } = require('../../stores/user');
-
-const addUserHandler = async ({ message }, next) => {
-	const usersToAdd = [];
-	if (message.from && !await isUser(message.from)) {
-		usersToAdd.push(message.from);
-	}
-	if (
-		message.reply_to_message &&
-		message.reply_to_message.from &&
-		!await isUser(message.reply_to_message.from)
-	) {
-		usersToAdd.push(message.reply_to_message.from);
-	}
-
-	usersToAdd.forEach(async user => {
-		try {
-			await addUser(user);
-		} catch (err) {
-			logError(err);
-		}
-	});
-
-	return next();
-};
-
-module.exports = addUserHandler;
diff --git a/index.js b/index.js
index b2fb4d9..3302546 100644
--- a/index.js
+++ b/index.js
@@ -26,6 +26,7 @@ const delTimeout = 2 * 60 * 1000;
  * Path of middlewares and commands
  */
 const middleware = './handlers/middlewares';
+const message = './handlers/messages';
 const command = './handlers/commands';
 
 /**
@@ -35,14 +36,19 @@ const command = './handlers/commands';
 const leaveUnmanagedHandler = require(`${middleware}/leaveUnmanaged`);
 const removeCommandsHandler = require(`${middleware}/removeCommands`);
 const kickBannedHandler = require(`${middleware}/kickBanned`);
-const addUserHandler = require(`${middleware}/addUser`);
-const removeLinksHandler = require(`${middleware}/removeLinks`);
-const checkUsernameHandler = require(`${middleware}/checkUsername`);
-const addCustomCmdHandler = require(`${middleware}/addCustomCmd`);
-const runCustomCmdHandler = require(`${middleware}/runCustomCmd`);
 const antibotHandler = require(`${middleware}/antibot`);
 const addedToGroupHandler = require(`${middleware}/addedToGroup`);
 
+/**
+ * @type {function}
+ * Messages Handlers
+ */
+const addUserHandler = require(`${message}/addUser`);
+const removeLinksHandler = require(`${message}/removeLinks`);
+const checkUsernameHandler = require(`${message}/checkUsername`);
+const addCustomCmdHandler = require(`${message}/addCustomCmd`);
+const runCustomCmdHandler = require(`${message}/runCustomCmd`);
+
 /**
  * @type {function}
  * Commmands Handlers

From 36535d4a6b435ecee4e9ff5747c9a7626dc0b8e3 Mon Sep 17 00:00:00 2001
From: Pouria Ezzati <ezzati.upt@gmail.com>
Date: Fri, 6 Oct 2017 16:40:49 +0330
Subject: [PATCH 02/17] refactoring on line if statements returns

---
 .eslintrc.json                     | 2 +-
 handlers/commands/addCommand.js    | 5 ++---
 handlers/commands/admin.js         | 4 +---
 handlers/commands/ban.js           | 4 +---
 handlers/commands/commands.js      | 5 ++---
 handlers/commands/getwarns.js      | 5 ++---
 handlers/commands/help.js          | 5 ++---
 handlers/commands/leave.js         | 5 ++---
 handlers/commands/nowarns.js       | 4 +---
 handlers/commands/removeCommand.js | 5 ++---
 handlers/commands/unadmin.js       | 4 +---
 handlers/commands/unban.js         | 4 +---
 handlers/commands/unwarn.js        | 4 +---
 handlers/commands/warn.js          | 4 +---
 14 files changed, 20 insertions(+), 40 deletions(-)

diff --git a/.eslintrc.json b/.eslintrc.json
index 33cc707..983799b 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -39,7 +39,7 @@
 		"consistent-return": "error",
 		"curly": [
 			"error",
-			"all"
+			"multi-line"
 		],
 		"default-case": "error",
 		"dot-location": [
diff --git a/handlers/commands/addCommand.js b/handlers/commands/addCommand.js
index b2bd8ad..85a2822 100644
--- a/handlers/commands/addCommand.js
+++ b/handlers/commands/addCommand.js
@@ -8,9 +8,8 @@ const { replyOptions } = require('../../bot/options');
 
 const addCommandHandler = async ({ chat, reply, state }) => {
 	const { isAdmin, user } = state;
-	if (chat.type !== 'private') {
-		return null;
-	}
+	if (chat.type !== 'private') return null;
+
 	if (!isAdmin) {
 		return reply('ℹ️ <b>Sorry, only admins access this command.</b>',
 			replyOptions);
diff --git a/handlers/commands/admin.js b/handlers/commands/admin.js
index 5bb45f3..556ea22 100644
--- a/handlers/commands/admin.js
+++ b/handlers/commands/admin.js
@@ -18,9 +18,7 @@ const {
 
 const adminHandler = async ({ message, reply, state }) => {
 	const { isMaster, user } = state;
-	if (!isMaster) {
-		return null;
-	}
+	if (!isMaster) return null;
 
 	const userToAdmin = message.reply_to_message
 		? message.reply_to_message.from
diff --git a/handlers/commands/ban.js b/handlers/commands/ban.js
index 66f7213..57d53c6 100644
--- a/handlers/commands/ban.js
+++ b/handlers/commands/ban.js
@@ -13,9 +13,7 @@ const { listGroups } = require('../../stores/group');
 const { isAdmin, isBanned, ban } = require('../../stores/user');
 
 const banHandler = async ({ chat, message, reply, telegram, me, state }) => {
-	if (!state.isAdmin) {
-		return null;
-	}
+	if (!state.isAdmin) return null;
 
 	const userToBan = message.reply_to_message
 		? message.reply_to_message.from
diff --git a/handlers/commands/commands.js b/handlers/commands/commands.js
index 8fd8fc2..11e5503 100644
--- a/handlers/commands/commands.js
+++ b/handlers/commands/commands.js
@@ -29,9 +29,8 @@ const actions = `\n
 /removecommand <code>&lt;name&gt;</code> - to remove a custom command.`;
 
 const commandReferenceHandler = async ({ chat, replyWithHTML }) => {
-	if (chat.type !== 'private') {
-		return null;
-	}
+	if (chat.type !== 'private') return null;
+
 	const customCommands = await listCommands();
 	const customCommandsText = customCommands.length
 		? '\n<b>Custom commands:</b>\n' +
diff --git a/handlers/commands/getwarns.js b/handlers/commands/getwarns.js
index fc3b871..df8c3e0 100644
--- a/handlers/commands/getwarns.js
+++ b/handlers/commands/getwarns.js
@@ -11,9 +11,8 @@ const { getWarns } = require('../../stores/user');
 
 const getWarnsHandler = async ({ message, reply, state }) => {
 	const { isAdmin } = state;
-	if (!isAdmin) {
-		return null;
-	}
+	if (!isAdmin) return null;
+
 	const theUser = message.reply_to_message
 		? message.reply_to_message.from
 		: message.commandMention
diff --git a/handlers/commands/help.js b/handlers/commands/help.js
index 8260a23..106b974 100644
--- a/handlers/commands/help.js
+++ b/handlers/commands/help.js
@@ -19,9 +19,8 @@ and @mattatabot might be better choices for you.
 `;
 
 const helpHandler = ({ chat, replyWithHTML }) => {
-	if (chat.type !== 'private') {
-		return null;
-	}
+	if (chat.type !== 'private') return null;
+
 	return replyWithHTML(
 		message,
 		Markup.inlineKeyboard(
diff --git a/handlers/commands/leave.js b/handlers/commands/leave.js
index e7528dc..e20445f 100644
--- a/handlers/commands/leave.js
+++ b/handlers/commands/leave.js
@@ -4,9 +4,8 @@ const { removeGroup } = require('../../stores/group');
 
 const leaveCommandHandler = async ({ chat, telegram, state }) => {
 	const { isMaster } = state;
-	if (!isMaster) {
-		return null;
-	}
+	if (!isMaster) return null;
+
 	await removeGroup(chat);
 	return telegram.leaveChat(chat.id);
 };
diff --git a/handlers/commands/nowarns.js b/handlers/commands/nowarns.js
index fdee869..3a533f2 100644
--- a/handlers/commands/nowarns.js
+++ b/handlers/commands/nowarns.js
@@ -12,9 +12,7 @@ const { getWarns, nowarns } = require('../../stores/user');
 
 const nowarnsHandler = async ({ message, reply, state }) => {
 	const { isAdmin, user } = state;
-	if (!isAdmin) {
-		return null;
-	}
+	if (!isAdmin) return null;
 
 	const userToUnwarn = message.reply_to_message
 		? message.reply_to_message.from
diff --git a/handlers/commands/removeCommand.js b/handlers/commands/removeCommand.js
index a029b48..635a07c 100644
--- a/handlers/commands/removeCommand.js
+++ b/handlers/commands/removeCommand.js
@@ -9,9 +9,8 @@ const { replyOptions } = require('../../bot/options');
 const removeCommandHandler = async ({ chat, message, reply, state }) => {
 	const { isAdmin, isMaster } = state;
 	const { text } = message;
-	if (chat.type !== 'private') {
-		return null;
-	}
+	if (chat.type !== 'private') return null;
+
 	if (!isAdmin) {
 		return reply('ℹ️ <b>Sorry, only admins access this command.</b>',
 			replyOptions);
diff --git a/handlers/commands/unadmin.js b/handlers/commands/unadmin.js
index 0174a10..91363a0 100644
--- a/handlers/commands/unadmin.js
+++ b/handlers/commands/unadmin.js
@@ -12,9 +12,7 @@ const { isAdmin, unadmin } = require('../../stores/user');
 
 const unAdminHandler = async ({ message, reply, state }) => {
 	const { isMaster } = state;
-	if (!isMaster) {
-		return null;
-	}
+	if (!isMaster) return null;
 
 	const userToUnadmin = message.reply_to_message
 		? message.reply_to_message.from
diff --git a/handlers/commands/unban.js b/handlers/commands/unban.js
index 37add2b..8554a36 100644
--- a/handlers/commands/unban.js
+++ b/handlers/commands/unban.js
@@ -15,9 +15,7 @@ const noop = Function.prototype;
 
 const unbanHandler = async ({ message, reply, telegram, state }) => {
 	const { isAdmin, user } = state;
-	if (!isAdmin) {
-		return null;
-	}
+	if (!isAdmin) return null;
 
 	const userToUnban = message.reply_to_message
 		? message.reply_to_message.from
diff --git a/handlers/commands/unwarn.js b/handlers/commands/unwarn.js
index 42824c3..fd07e3e 100644
--- a/handlers/commands/unwarn.js
+++ b/handlers/commands/unwarn.js
@@ -11,9 +11,7 @@ const { getWarns, unwarn } = require('../../stores/user');
 
 const unwarnHandler = async ({ message, reply, state }) => {
 	const { isAdmin, user } = state;
-	if (!isAdmin) {
-		return null;
-	}
+	if (!isAdmin) return null;
 
 	const userToUnwarn = message.reply_to_message
 		? message.reply_to_message.from
diff --git a/handlers/commands/warn.js b/handlers/commands/warn.js
index bc445cf..091b71c 100644
--- a/handlers/commands/warn.js
+++ b/handlers/commands/warn.js
@@ -17,9 +17,7 @@ const { isAdmin, ban, getWarns, warn } = require('../../stores/user');
 
 const warnHandler = async ({ message, chat, reply, me, state }) => {
 	const { user } = state;
-	if (!state.isAdmin) {
-		return null;
-	}
+	if (!state.isAdmin) return null;
 
 	const userToWarn = message.reply_to_message
 		? message.reply_to_message.from

From 5ad0a723251fb5d235b0c9c26aeb15b9fbe288ad Mon Sep 17 00:00:00 2001
From: GingerPlusPlus <woj.pawlik@gmail.com>
Date: Fri, 6 Oct 2017 18:15:28 +0200
Subject: [PATCH 03/17] Added @returns to silence eslint

---
 utils/log.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/utils/log.js b/utils/log.js
index 502de53..a4ed821 100644
--- a/utils/log.js
+++ b/utils/log.js
@@ -5,12 +5,14 @@ const { inspect } = require('util');
 /**
  * @param {Error} err
  * Logs errors to console
+ * @returns {undefined}
  */
 const logError = err => console.error(err);
 
 /**
  * @param {Object} value
  * Echos the value of a value.
+ * @returns {undefined}
  */
 const print = value =>
 	console.log(inspect(value, { colors: true, depth: null }));

From 0f0dee3a7d510d3745d0c095dac38f8780b9ff1d Mon Sep 17 00:00:00 2001
From: GingerPlusPlus <woj.pawlik@gmail.com>
Date: Fri, 6 Oct 2017 18:35:53 +0200
Subject: [PATCH 04/17] Removed utils/json, replaced loadJSON with require

---
 bot/index.js                     |  3 +--
 handlers/commands/warn.js        |  3 +--
 handlers/messages/addUser.js     |  5 +----
 handlers/messages/removeLinks.js |  3 +--
 utils/json.js                    | 10 ----------
 5 files changed, 4 insertions(+), 20 deletions(-)
 delete mode 100644 utils/json.js

diff --git a/bot/index.js b/bot/index.js
index 409e62e..74ca7fe 100644
--- a/bot/index.js
+++ b/bot/index.js
@@ -1,8 +1,7 @@
 'use strict';
 
 const Telegraf = require('telegraf');
-const { loadJSON } = require('../utils/json');
-const config = loadJSON('config.json');
+const config = require('../config.json');
 
 const bot = new Telegraf(config.token);
 
diff --git a/handlers/commands/warn.js b/handlers/commands/warn.js
index 091b71c..91af0a5 100644
--- a/handlers/commands/warn.js
+++ b/handlers/commands/warn.js
@@ -1,12 +1,11 @@
 'use strict';
 
 // Utils
-const { loadJSON } = require('../../utils/json');
 const { link } = require('../../utils/tg');
 const { logError } = require('../../utils/log');
 
 // Config
-const { numberOfWarnsToBan } = loadJSON('config.json');
+const { numberOfWarnsToBan } = require('../../config.json');
 
 // Bot
 const bot = require('../../bot');
diff --git a/handlers/messages/addUser.js b/handlers/messages/addUser.js
index a278b99..bd3f0da 100644
--- a/handlers/messages/addUser.js
+++ b/handlers/messages/addUser.js
@@ -1,10 +1,7 @@
 'use strict';
 
-// Utils
-const { loadJSON } = require('../../utils/json');
-
 // Config
-const { masterID } = loadJSON('config.json');
+const { masterID } = require('../../config.json');
 
 // DB
 const { addUser, isUser } = require('../../stores/user');
diff --git a/handlers/messages/removeLinks.js b/handlers/messages/removeLinks.js
index 36de64f..04b9db8 100644
--- a/handlers/messages/removeLinks.js
+++ b/handlers/messages/removeLinks.js
@@ -1,7 +1,6 @@
 'use strict';
 
 // Utils
-const { loadJSON } = require('../../utils/json');
 const { link } = require('../../utils/tg');
 const { logError } = require('../../utils/log');
 
@@ -10,7 +9,7 @@ const {
 	excludedChannels,
 	excludedGroups,
 	numberOfWarnsToBan
-} = loadJSON('config.json');
+} = require('../../config.json');
 
 // Bot
 const bot = require('../../bot');
diff --git a/utils/json.js b/utils/json.js
deleted file mode 100644
index 6d57eba..0000000
--- a/utils/json.js
+++ /dev/null
@@ -1,10 +0,0 @@
-'use strict';
-
-const { readFileSync, writeFileSync } = require('fs');
-
-const loadJSON = file => JSON.parse(readFileSync(file, 'utf8'));
-
-const saveJSON = (file, data) => writeFileSync(file,
-	JSON.stringify(data, null, '\t'));
-
-module.exports = { loadJSON, saveJSON };

From f0dbe0d92ea3623f541403688ff10ffa0d386efa Mon Sep 17 00:00:00 2001
From: GingerPlusPlus <woj.pawlik@gmail.com>
Date: Fri, 6 Oct 2017 19:05:44 +0200
Subject: [PATCH 05/17] Remove warnings on unban instead of on ban

---
 stores/user.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/stores/user.js b/stores/user.js
index 7935fc1..fff0bf4 100644
--- a/stores/user.js
+++ b/stores/user.js
@@ -47,10 +47,12 @@ const isAdmin = ({ id }) =>
 	User.findOne({ id, status: 'admin' });
 
 const ban = ({ id }, ban_reason) =>
-	User.update({ id }, { $set: { ban_reason, status: 'banned', warns: [] } });
+	User.update({ id }, { $set: { ban_reason, status: 'banned' } });
 
 const unban = ({ id }) =>
-	User.update({ id }, { $set: { banReason: '', status: 'member' } });
+	User.update(
+		{ id },
+		{ $set: { ban_reason: null, status: 'member', warns: [] } });
 
 const isBanned = ({ id }) =>
 	User.findOne({ id, status: 'banned' })

From 70b28b7b53e4eeaa51452624578abe4a41bc0d19 Mon Sep 17 00:00:00 2001
From: Pouria Ezzati <ezzati.upt@gmail.com>
Date: Fri, 6 Oct 2017 21:39:03 +0330
Subject: [PATCH 06/17] fixed id error on adding user to the state

---
 handlers/messages/addCustomCmd.js | 2 +-
 handlers/messages/addUser.js      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/handlers/messages/addCustomCmd.js b/handlers/messages/addCustomCmd.js
index bad7526..4a6763e 100644
--- a/handlers/messages/addCustomCmd.js
+++ b/handlers/messages/addCustomCmd.js
@@ -16,7 +16,7 @@ const addCustomCmdHandler = async ({ chat, message, reply, state }, next) => {
 	const { text, photo, document, video, audio } = message;
 	const { isAdmin, user } = state;
 	const { id } = user;
-	console.log(state);
+
 	if (text && /^\/\w+/.test(text)) {
 		await removeCommand({ id, isActive: false });
 		return next();
diff --git a/handlers/messages/addUser.js b/handlers/messages/addUser.js
index bd3f0da..5798b8f 100644
--- a/handlers/messages/addUser.js
+++ b/handlers/messages/addUser.js
@@ -18,7 +18,7 @@ const addUserHandler = async (ctx, next) => {
 
 	ctx.state = {
 		isAdmin: user && user.status === 'admin',
-		isMaster: user.id === masterID,
+		isMaster: user && user.id === masterID,
 		user: newUser,
 	};
 

From e8d682d52797f68c75acab0932e686f3fca3e878 Mon Sep 17 00:00:00 2001
From: Pouria Ezzati <ezzati.upt@gmail.com>
Date: Fri, 6 Oct 2017 21:49:33 +0330
Subject: [PATCH 07/17] Custom commands now start with !

---
 handlers/messages/runCustomCmd.js | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/handlers/messages/runCustomCmd.js b/handlers/messages/runCustomCmd.js
index 4a55b17..13e58f0 100644
--- a/handlers/messages/runCustomCmd.js
+++ b/handlers/messages/runCustomCmd.js
@@ -6,13 +6,12 @@ const { getCommand } = require('../../stores/command');
 const runCustomCmdHandler = async (ctx, next) => {
 	const { message, state } = ctx;
 	const { isAdmin, isMaster } = state;
-	const isCommand = message.entities &&
-		message.entities.filter(entity => entity.type === 'bot_command');
-	if (!isCommand || !isCommand.length) {
+	const isCommand = /^!\w+/.test(message.text);
+	if (!isCommand) {
 		return next();
 	}
 
-	const commandName = message.text.split(' ')[0].replace('/', '');
+	const commandName = message.text.split(' ')[0].replace('!', '');
 	const command = await getCommand({ isActive: true, name: commandName });
 
 	if (!command) {

From 4b1f57dd7705f5fcd987225907d059586b6235aa Mon Sep 17 00:00:00 2001
From: Pouria Ezzati <ezzati.upt@gmail.com>
Date: Fri, 6 Oct 2017 22:14:32 +0330
Subject: [PATCH 08/17] commands now work with id

---
 handlers/messages/checkUsername.js | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/handlers/messages/checkUsername.js b/handlers/messages/checkUsername.js
index 0ec80f4..787efee 100644
--- a/handlers/messages/checkUsername.js
+++ b/handlers/messages/checkUsername.js
@@ -13,6 +13,7 @@ const checkUsernameHandler = async ({ message }, next) => {
 		entity.type === 'mention');
 	const hasTextMention = message.entities.some(entity =>
 		entity.type === 'text_mention');
+	const hasId = /^\d+/.test(messageArr[1]);
 
 	if (!isCommand) {
 		return next();
@@ -42,6 +43,17 @@ const checkUsernameHandler = async ({ message }, next) => {
 		message.commandMention = user;
 		return next();
 	}
+
+	if (hasId) {
+		const [ , id ] = messageArr;
+		const user = await getUser({ id: Number(id) });
+		console.log(id, user);
+		if (user) {
+			message.text = message.text.replace(` ${id}`, '');
+			message.commandMention = user;
+		}
+		return next();
+	}
 	return next();
 };
 

From 78fbcdc981baf20ac2b87303321acfebaea3e41a Mon Sep 17 00:00:00 2001
From: Pouria Ezzati <ezzati.upt@gmail.com>
Date: Fri, 6 Oct 2017 22:44:16 +0330
Subject: [PATCH 09/17] custom commands name can't be one of preserved names.

---
 handlers/commands/addCommand.js   |  5 +++--
 handlers/messages/addCustomCmd.js | 10 ++++++++++
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/handlers/commands/addCommand.js b/handlers/commands/addCommand.js
index 85a2822..ff3a191 100644
--- a/handlers/commands/addCommand.js
+++ b/handlers/commands/addCommand.js
@@ -15,8 +15,9 @@ const addCommandHandler = async ({ chat, reply, state }) => {
 			replyOptions);
 	}
 	await addCommand({ id: user.id });
-	return reply('Enter a name for the command.\n\nFor example: <b>rules</b>',
-		replyOptions);
+	return reply('Enter a name for the command without forward slash "/".' +
+		'\n\nFor example: <b>rules</b>',
+	replyOptions);
 };
 
 module.exports = addCommandHandler;
diff --git a/handlers/messages/addCustomCmd.js b/handlers/messages/addCustomCmd.js
index 4a6763e..518e242 100644
--- a/handlers/messages/addCustomCmd.js
+++ b/handlers/messages/addCustomCmd.js
@@ -12,6 +12,10 @@ const {
 	updateCommand
 } = require('../../stores/command');
 
+const preserved = [ 'admin', 'unadmin', 'leave', 'warn', 'unwarn', 'nowarns',
+	'getwarns', 'ban', 'unban', 'report', 'staff', 'link', 'groups', 'commands',
+	'addcommand', 'removecommand' ];
+
 const addCustomCmdHandler = async ({ chat, message, reply, state }, next) => {
 	const { text, photo, document, video, audio } = message;
 	const { isAdmin, user } = state;
@@ -35,6 +39,12 @@ const addCustomCmdHandler = async ({ chat, message, reply, state }, next) => {
 			reply('Please send a valid command.');
 			return next();
 		}
+		if (preserved.includes(text.toLowerCase())) {
+			reply('❗️Sorry you can\'t use this name, it\'s preserved.\n\n' +
+			'Try another one.');
+			return next();
+		}
+
 		if (await getCommand({ isActive: true, name: text })) {
 			reply(
 				'ℹ️ <b>This command already exists.</b>\n\n' +

From 92c701df829d13d28843abb1199c59da95b3becb Mon Sep 17 00:00:00 2001
From: Pouria Ezzati <ezzati.upt@gmail.com>
Date: Sun, 8 Oct 2017 11:30:34 +0330
Subject: [PATCH 10/17] adding users on join

---
 handlers/messages/addUser.js       | 9 +++++++++
 handlers/messages/checkUsername.js | 1 -
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/handlers/messages/addUser.js b/handlers/messages/addUser.js
index 5798b8f..1eadd76 100644
--- a/handlers/messages/addUser.js
+++ b/handlers/messages/addUser.js
@@ -8,10 +8,19 @@ const { addUser, isUser } = require('../../stores/user');
 
 const addUserHandler = async (ctx, next) => {
 	const { message } = ctx;
+	const { new_chat_members } = message;
 	const newUser = message.from;
 	const user = newUser && await isUser(message.from);
 	const usersToAdd = [];
 
+	if (new_chat_members) {
+		new_chat_members.forEach(async member => {
+			if (!await isUser(member)) {
+				usersToAdd.push(addUser(member));
+			}
+		});
+	}
+
 	if (!user && newUser) {
 		usersToAdd.push(addUser(newUser));
 	}
diff --git a/handlers/messages/checkUsername.js b/handlers/messages/checkUsername.js
index 787efee..7e1a591 100644
--- a/handlers/messages/checkUsername.js
+++ b/handlers/messages/checkUsername.js
@@ -47,7 +47,6 @@ const checkUsernameHandler = async ({ message }, next) => {
 	if (hasId) {
 		const [ , id ] = messageArr;
 		const user = await getUser({ id: Number(id) });
-		console.log(id, user);
 		if (user) {
 			message.text = message.text.replace(` ${id}`, '');
 			message.commandMention = user;

From d3b4248b10e435ce4870e240b2aa1e398b58ebf2 Mon Sep 17 00:00:00 2001
From: Pouria Ezzati <ezzati.upt@gmail.com>
Date: Sun, 8 Oct 2017 11:40:42 +0330
Subject: [PATCH 11/17] @admins works with words after

---
 index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/index.js b/index.js
index 3302546..96b4bcf 100644
--- a/index.js
+++ b/index.js
@@ -94,7 +94,7 @@ bot.command('getwarns', getWarnsHandler);
 bot.command('ban', banHandler);
 bot.command('unban', unbanHandler);
 bot.command('report', reportHandler);
-bot.hears(/^@admins?$/i, reportHandler);
+bot.hears(/^@admins?\s?/i, reportHandler);
 bot.command('staff', staffHandler);
 bot.command('link', linkHandler);
 bot.command('groups', groupsHandler);

From 5314328ab66123d1f9c581fa0e595bb8eb06c16c Mon Sep 17 00:00:00 2001
From: Pouria Ezzati <ezzati.upt@gmail.com>
Date: Sun, 8 Oct 2017 11:45:43 +0330
Subject: [PATCH 12/17] replaced stars with zero-width spaces, resolves #22

---
 handlers/commands/report.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/handlers/commands/report.js b/handlers/commands/report.js
index 79ab3fb..2ce087d 100644
--- a/handlers/commands/report.js
+++ b/handlers/commands/report.js
@@ -17,12 +17,12 @@ const reportHandler = async ctx => {
 	}
 	const admins = await getAdmins();
 	const adminObjects = admins.map(user => ({
-		first_name: '⭐️', // small hack to be able to use link function
+		first_name: '​', // small hack to be able to use link function
 		id: user.id,
 	}));
-	const stars = adminObjects.map(link).join('');
-	const s = `📋 ${link(ctx.from)} <b>reported the message to admins:</b> ` +
-		`${stars}`;
+	const adminsMention = adminObjects.map(link).join('');
+	const s = `❗️${link(ctx.from)} <b>reported the message to the admins.</b>` +
+		`${adminsMention}`;
 	return ctx.replyWithHTML(s, {
 		reply_to_message_id: msg.reply_to_message.message_id
 	});

From c42db48de1d9ae32f3b5ca1d08903ccdc147da7f Mon Sep 17 00:00:00 2001
From: Pouria Ezzati <ezzati.upt@gmail.com>
Date: Sun, 8 Oct 2017 13:19:11 +0330
Subject: [PATCH 13/17] /leave now works with id and name too.  closes #20

---
 handlers/commands/leave.js             | 27 ++++++++++++++++++++++++--
 handlers/commands/link.js              |  2 +-
 handlers/middlewares/addedToGroup.js   |  2 +-
 handlers/middlewares/leaveUnmanaged.js |  2 +-
 stores/group.js                        |  2 +-
 5 files changed, 29 insertions(+), 6 deletions(-)

diff --git a/handlers/commands/leave.js b/handlers/commands/leave.js
index e20445f..8fd54c3 100644
--- a/handlers/commands/leave.js
+++ b/handlers/commands/leave.js
@@ -1,11 +1,34 @@
 'use strict';
 
-const { removeGroup } = require('../../stores/group');
+const { managesGroup, removeGroup } = require('../../stores/group');
 
-const leaveCommandHandler = async ({ chat, telegram, state }) => {
+const leaveCommandHandler = async ctx => {
+	const { chat, message, telegram, state, replyWithHTML } = ctx;
 	const { isMaster } = state;
 	if (!isMaster) return null;
 
+	const groupName = message.text.split(' ').slice(1).join(' ');
+
+	if (groupName) {
+		const group = /^-?\d+/.test(groupName)
+			? { id: Number(groupName) }
+			:	{ title: groupName };
+		console.log(group);
+		const isGroup = await managesGroup(group);
+		if (!isGroup) {
+			return replyWithHTML(
+				'ℹ️ <b>Couldn\'t find a group with that ID/name.</b>'
+			);
+		}
+		await Promise.all([
+			removeGroup(isGroup),
+			telegram.leaveChat(isGroup.id)
+		]);
+		return replyWithHTML(
+			'✅ <b>I no longer manage that group.</b>'
+		);
+	}
+
 	await removeGroup(chat);
 	return telegram.leaveChat(chat.id);
 };
diff --git a/handlers/commands/link.js b/handlers/commands/link.js
index bbd201f..9310eec 100644
--- a/handlers/commands/link.js
+++ b/handlers/commands/link.js
@@ -7,7 +7,7 @@ const bot = require('../../bot');
 const { managesGroup } = require('../../stores/group');
 
 const linkHandler = async ({ chat, replyWithHTML }) => {
-	const group = await managesGroup(chat);
+	const group = await managesGroup({ id: chat.id });
 
 	const { message_id } = await replyWithHTML(
 		'ℹ️ <b>Group\'s link:</b>\n\n' +
diff --git a/handlers/middlewares/addedToGroup.js b/handlers/middlewares/addedToGroup.js
index 2c51f57..485bf57 100644
--- a/handlers/middlewares/addedToGroup.js
+++ b/handlers/middlewares/addedToGroup.js
@@ -15,7 +15,7 @@ const addedToGroupHandler = async (ctx, next) => {
 		user.username === ctx.me);
 	if (wasAdded && ctx.from.id === masterID) {
 		await admin(ctx.from);
-		if (!await managesGroup(ctx.chat)) {
+		if (!await managesGroup({ id: ctx.chat.id })) {
 			try {
 				const link = await telegram.exportChatInviteLink(ctx.chat.id);
 				ctx.chat.link = link ? link : '';
diff --git a/handlers/middlewares/leaveUnmanaged.js b/handlers/middlewares/leaveUnmanaged.js
index f3edd1f..2997d98 100644
--- a/handlers/middlewares/leaveUnmanaged.js
+++ b/handlers/middlewares/leaveUnmanaged.js
@@ -47,7 +47,7 @@ const randomChoice = arr => arr[Math.floor(Math.random() * arr.length)];
  * @returns {Promise.<*>} - returns next object
  */
 const leaveUnmanagedHandler = async (ctx, next) => {
-	if (ctx.chat.type === 'private' || await managesGroup(ctx.chat)) {
+	if (ctx.chat.type === 'private' || await managesGroup({ id: ctx.chat.id })) {
 		return next();
 	}
 
diff --git a/stores/group.js b/stores/group.js
index d458606..88f5ffb 100644
--- a/stores/group.js
+++ b/stores/group.js
@@ -19,7 +19,7 @@ const listGroups = () =>
 	Group.find({});
 
 const managesGroup = group =>
-	Group.findOne({ id: group.id });
+	Group.findOne(group);
 
 const removeGroup = ({ id }) =>
 	Group.remove({ id });

From 506fb11cc1c2f853f5ed4cf3a2ded2eb38a51342 Mon Sep 17 00:00:00 2001
From: Pouria Ezzati <ezzati.upt@gmail.com>
Date: Sun, 8 Oct 2017 13:21:48 +0330
Subject: [PATCH 14/17] fixed eslint errors

---
 handlers/middlewares/leaveUnmanaged.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/handlers/middlewares/leaveUnmanaged.js b/handlers/middlewares/leaveUnmanaged.js
index 2997d98..c047fe1 100644
--- a/handlers/middlewares/leaveUnmanaged.js
+++ b/handlers/middlewares/leaveUnmanaged.js
@@ -47,7 +47,9 @@ const randomChoice = arr => arr[Math.floor(Math.random() * arr.length)];
  * @returns {Promise.<*>} - returns next object
  */
 const leaveUnmanagedHandler = async (ctx, next) => {
-	if (ctx.chat.type === 'private' || await managesGroup({ id: ctx.chat.id })) {
+	if (
+		ctx.chat.type === 'private' ||
+		await managesGroup({ id: ctx.chat.id })) {
 		return next();
 	}
 

From 0ed763baf79de44e83d7d46d64a783eb2a9efcda Mon Sep 17 00:00:00 2001
From: Pouria Ezzati <ezzati.upt@gmail.com>
Date: Sun, 8 Oct 2017 14:09:04 +0330
Subject: [PATCH 15/17] Update README.md

---
 README.md | 36 ++++++++++++++++++++----------------
 1 file changed, 20 insertions(+), 16 deletions(-)

diff --git a/README.md b/README.md
index 9b02297..8d1ee4c 100644
--- a/README.md
+++ b/README.md
@@ -20,25 +20,29 @@ You need [Node.js](https://nodejs.org/) (> 8.1) to run this bot.
 Now you can add the bot as **administrator** to your groups.
 
 ## Commands
-Command  | Role   | Description
--------- | ------ | -----------
-`/admin` | _Master_ | Makes the user admin.
-`/unadmin` | _Master_ | Demotes the user from admin list.
-`/leave` | _Master_ | Makes the bot leave the group cleanly.
-`/warn <reason>` | _Admin_ | Warns the user.
-`/unwarn` | _Admin_ | Removes the last warn from the user.
-`/nowarns` | _Admin_ | Clears warns for the user.
-`/getwarns` | _Admin_ | Shows a list of warns for the user.
-`/ban <reason>` | _Admin_ | Bans the user from groups.
-`/unban` | _Admin_ | Removes the user from ban list.
-`/staff` | _All_ | Shows a list of admins.
-`/link` | _All_ | Show the current group's link.
-`/groups` | _All_ | Show a list of groups which the bot is admin in.
-`/report` | _All_ | Reports the replied-to message to admins.
+Command                 | Role       | Available at | Description
+----------------------- | ---------- | ------------ | -----------------
+`/admin`                | _Master_   | _Everywhere_ | Makes the user admin.
+`/unadmin`              | _Master_   | _Everywhere_ | Demotes the user from admin list.
+`/leave <name\|id>`     | _Master_   | _Everywhere_ | Make the bot to leave the group cleanly.
+`/warn <reason>`        | _Admin_    | _Groups_     | Warns the user.
+`/unwarn`               | _Admin_    | _Everywhere_ | Removes the last warn from the user.
+`/nowarns`              | _Admin_    | _Everywhere_ | Clears warns for the user.
+`/getwarns`             | _Admin_    | _Everywhere_ | Shows a list of warns for the user.
+`/ban <reason>`         | _Admin_    | _Groups_     | Bans the user from groups.
+`/unban`                | _Admin_    | _Everywhere_ | Removes the user from ban list.
+`/addcommand`           | _Admin_    | _In-Bot_     | Create a custom command.
+`/removecommand <name>` | _Admin_    | _In-Bot_     | Remove a custom command.
+`/staff`                | _Everyone_ | _Everywhere_ | Shows a list of admins.
+`/link`                 | _Everyone_ | _Everywhere_ | Shows the current group's link.
+`/groups`               | _Everyone_ | _Everywhere_ | Shows a list of groups which the bot is admin in.
+`/report`               | _Everyone_ | _Everywhere_ | Reports the replied-to message to admins.
+`/commands`             | _Everyone_ | _In-Bot_     | Shows a list of available commands.
+`/help` \| `/start`     | _Everyone_ | _In-Bot_     | How to use the bot.
 
 All commands and actions are synchronized across all of the groups managed by the owner and they work with both **replying** and **mentioning** a user.
 
-If used by reply, `/ban` and `/warn` remove the replied-to message.
+If used by reply, `/ban` and `/warn` would remove the replied-to message.
 
 The bot is still in alpha phase so feel free to open issues and ask for a _feature_.
 

From 671311290381361f8bee94bdb36d175f129339d7 Mon Sep 17 00:00:00 2001
From: Pouria Ezzati <ezzati.upt@gmail.com>
Date: Sun, 8 Oct 2017 14:17:03 +0330
Subject: [PATCH 16/17] improved custom commands info

---
 handlers/commands/commands.js     | 2 +-
 handlers/messages/addCustomCmd.js | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/handlers/commands/commands.js b/handlers/commands/commands.js
index 11e5503..f333a99 100644
--- a/handlers/commands/commands.js
+++ b/handlers/commands/commands.js
@@ -37,7 +37,7 @@ const commandReferenceHandler = async ({ chat, replyWithHTML }) => {
 		customCommands
 			.filter(command => command.isActive)
 			.sort((a, b) => a.role < b.role)
-			.map(command => `[${command.role}] <code>/${command.name}</code>`)
+			.map(command => `[${command.role}] <code>!${command.name}</code>`)
 			.join('\n')
 		: '';
 
diff --git a/handlers/messages/addCustomCmd.js b/handlers/messages/addCustomCmd.js
index 518e242..6bd767f 100644
--- a/handlers/messages/addCustomCmd.js
+++ b/handlers/messages/addCustomCmd.js
@@ -115,7 +115,8 @@ const addCustomCmdHandler = async ({ chat, message, reply, state }, next) => {
 		]);
 		reply(
 			'✅ <b>New command has been created successfully.</b>\n\n' +
-			'This command can be used in groups now. ' +
+			'Custom commands work with ! instead of /.\n\n' +
+			'For example: <code>!rules</code>\n\n' +
 			'Custom commands can reply other messages too.\n\n' +
 			'/commands - to see the list of commands.\n' +
 			'/addcommand - to add a new command.\n' +

From a55f242470da85c7cb025e73d22f4370559d3ce7 Mon Sep 17 00:00:00 2001
From: Pouria Ezzati <ezzati.upt@gmail.com>
Date: Sun, 8 Oct 2017 14:19:30 +0330
Subject: [PATCH 17/17] 0.4.0

---
 package-lock.json | 2 +-
 package.json      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index fd092c0..ceee8a5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "thedevs_bot",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 967eaaa..9ef7664 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "thedevs_bot",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "description": "Official Bot for The Devs community.",
   "main": "index.js",
   "scripts": {