From 24f9073f122dbf2b300823afab6a36458c2fee8e Mon Sep 17 00:00:00 2001
From: Evgeny Zinoviev <me@ch1p.io>
Date: Sun, 8 Aug 2021 00:00:44 +0300
Subject: initia;

---
 main.py    | 179 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 strings.py |  12 +++++
 2 files changed, 191 insertions(+)
 create mode 100644 main.py
 create mode 100644 strings.py

diff --git a/main.py b/main.py
new file mode 100644
index 0000000..17a8405
--- /dev/null
+++ b/main.py
@@ -0,0 +1,179 @@
+#!/usr/bin/env python3
+import logging, re, datetime, json, subprocess, os
+
+from typing import Optional
+from argparse import ArgumentParser
+from html import escape
+import socket
+from pprint import pprint
+from time import sleep
+from strings import lang as _
+from telegram import (
+    Update,
+    ParseMode,
+    KeyboardButton,
+    ReplyKeyboardMarkup
+)
+from telegram.ext import (
+    Updater,
+    Filters,
+    CommandHandler,
+    MessageHandler,
+    CallbackContext
+)
+from telegram.error import TimedOut
+
+
+class RelayClient:
+    def __init__(self, port=8307, host='127.0.0.1'):
+        self._host = host
+        self._port = port
+        self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+
+    def __del__(self):
+        self.sock.close()
+
+    def connect(self):
+        self.sock.connect((self._host, self._port))
+
+    def _write(self, line):
+        self.sock.sendall((line+'\r\n').encode())
+
+    def _read(self):
+        buf = bytearray()
+        while True:
+            buf.extend(self.sock.recv(256))
+            if b'\r\n' in buf:
+                break
+
+        response = buf.decode().strip()
+        return response
+
+    def on(self):
+        self._write('on')
+        return self._read()
+
+    def off(self):
+        self._write('off')
+        return self._read()
+
+    def status(self):
+        self._write('get')
+        return self._read()
+
+
+#
+# helpers
+#
+
+def get_markup() -> ReplyKeyboardMarkup:
+    button = [
+        [
+            'Включить',
+            'Выключить'
+        ],
+        [
+            'Статус'
+        ]
+    ]
+    return ReplyKeyboardMarkup(button, one_time_keyboard=False)
+
+
+def reply(update: Update, text: str) -> None:
+    update.message.reply_text(text,
+                              reply_markup=get_markup(),
+                              parse_mode=ParseMode.HTML)
+
+
+def handle_exc(update: Update, e) -> None:
+    logging.exception(str(e))
+
+    if not isinstance(e, TimedOut):
+        reply(update, 'exception: ' + str(e))
+
+
+#
+# command/message handlers
+#
+
+def start(update: Update, context: CallbackContext) -> None:
+    reply(update, 'Выберите команду на клавиатуре.')
+
+
+def msg_status(update: Update, context: CallbackContext) -> None:
+    try:
+        relay = RelayClient()
+        relay.connect()
+
+        status = relay.status()
+        status = 'Включен' if status == 'on' else 'Выключен'
+
+        reply(update, status)
+    except Exception as e:
+        handle_exc(update, e)
+
+
+def msg_on(update: Update, context: CallbackContext) -> None:
+    try:
+        relay = RelayClient()
+        relay.connect()
+
+        resp = relay.on()
+        reply(update, resp)
+    except Exception as e:
+        handle_exc(update, e)
+
+
+def msg_off(update: Update, context: CallbackContext) -> None:
+    try:
+        relay = RelayClient()
+        relay.connect()
+
+        resp = relay.off()
+        reply(update, resp)
+    except Exception as e:
+        handle_exc(update, e)
+
+
+def msg_all(update: Update, context: CallbackContext) -> None:
+    reply(update, "Неизвестная команда.")
+
+
+if __name__ == '__main__':
+    # command-line arguments
+    parser = ArgumentParser()
+    parser.add_argument('--token', required=True, type=str,
+                        help='Telegram bot token')
+    parser.add_argument('--users-whitelist', nargs='+',
+                        help='ID of users allowed to use the bot')
+    parser.add_argument('--gpio-relayd-host', default='127.0.0.1', type=str)
+    parser.add_argument('--gpio-relayd-port', default=8307, type=int)
+    args = parser.parse_args()
+
+    whitelist = list(map(lambda x: int(x), args.users_whitelist))
+
+    # configure logging
+    logging.basicConfig(format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
+                        level=logging.INFO)
+
+    # configure bot
+    updater = Updater(args.token, request_kwargs={'read_timeout': 6, 'connect_timeout': 7})
+    dispatcher = updater.dispatcher
+
+    user_filter = Filters.user(whitelist)
+    shell_admin_filter = Filters.user((args.shell_admin, ))
+
+    dispatcher.add_handler(CommandHandler('start', start))
+
+    dispatcher.add_handler(MessageHandler(Filters.text('Включить') & user_filter, msg_on))
+    dispatcher.add_handler(MessageHandler(Filters.text('Выключить') & user_filter, msg_off))
+    dispatcher.add_handler(MessageHandler(Filters.text('Статус') & user_filter, msg_status))
+
+    dispatcher.add_handler(MessageHandler(Filters.all & user_filter, msg_all))
+
+
+    # start the bot
+    updater.start_polling()
+
+    # run the bot until the user presses Ctrl-C or the process receives SIGINT, SIGTERM or SIGABRT
+    updater.idle()
diff --git a/strings.py b/strings.py
new file mode 100644
index 0000000..80b7dac
--- /dev/null
+++ b/strings.py
@@ -0,0 +1,12 @@
+__strings = {
+    'Включать': 'Status',
+    'generation': 'Generation',
+    'gs': 'GS',
+    'ri': 'RI',
+    'errors': 'Errors'
+}
+
+
+def lang(key):
+    global __strings
+    return __strings[key] if key in __strings else f'{{{key}}}'
-- 
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