diff --git a/.gitignore b/.gitignore
index fedd414..a93c9fe 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,4 +4,7 @@ SpreadsheetsService/utils/__pycache__
 SpreadsheetsService/tests/__pycache__
 SpreadsheetsService/manager/__pycache__
 SpreadsheetsService/manager/client_secret.json
-SpreadsheetsService/manager/token.json
\ No newline at end of file
+SpreadsheetsService/manager/token.json
+TelegramBot/.secrets
+SpreadsheetsService/.secrets
+TelegramBot/messages/__pycache__
diff --git a/SpreadsheetsService/app.py b/SpreadsheetsService/app.py
index 7a4e52b..5263a2d 100644
--- a/SpreadsheetsService/app.py
+++ b/SpreadsheetsService/app.py
@@ -1,9 +1,34 @@
-import flask
-import time
-import models
+from functools import wraps
 from manager import *
+import flask
+import logging
+import models
+import time
 
+LOG = logging.getLogger(__name__)
 app = flask.Flask(__name__)
+app.db = None
+try:
+    app.db = Manager()
+except Exception as e:
+    app.db_error = e.args
+    LOG.exception("Cannot init manager")
+
+
+def availability(func):
+    """Декоратор, который проверяет доступность менеджера по работе с Google
+    Spreadsheets.
+
+    Если инициализация менеджера обвалилась, то сервер выдает ошибку 500 и ее
+    содержимое в JSON."""
+
+    @wraps(func)
+    def wrapper(*args, **kwargs):
+        if app.db is None:
+            return flask.jsonify(dict(error=True, message=app.db_error)), 500
+        func(*args, **kwargs)
+
+    return wrapper
 
 
 @app.route("/")
@@ -12,13 +37,32 @@ def hello_world():
 
 
 @app.route("/auth")
+@availability
 def auth():
-    # TODO: return json text instead of text/html.
     token = flask.request.args.get("token")
     tg_id = flask.request.args.get("tg_id")
-    manager = Manager()
-    student = manager.get_student_by_name("Дзюба")
-    return str(student)
+    student = app.db.get_student_by_name("Дзюба")
+    student = Student(1, "Фарид Михайлов", 5374)
+    return flask.jsonify(student)
+
+
+@app.route("/grades")
+@availability
+def grades():
+    """Возвращает оценки по id пользователя из телеграма."""
+    tg_id = flask.request.args.get("tg_id")
+    student = models.Student(1, "Фарид Михайлов", 5374)
+    student.add_assignment(models.Assignment("ИДЗ 1", [1, 1, 0, 0, 1]))
+    student.add_assignment(models.Assignment("КР 1", [0.4, 0.8, 1, 0.5, 1], 5))
+    student.add_assignment(models.Assignment("ИДЗ 2", [1, 1, 1, 0, 1]))
+
+    return flask.jsonify(
+        dict(
+            score=student.score,
+            grade=student.grade,
+            assignments=student.assignments,
+        )
+    )
 
 
 if __name__ == "__main__":
diff --git a/SpreadsheetsService/manager/manager.py b/SpreadsheetsService/manager/manager.py
index abd374a..ada2d7c 100644
--- a/SpreadsheetsService/manager/manager.py
+++ b/SpreadsheetsService/manager/manager.py
@@ -20,8 +20,8 @@ ASSIGNMENT_SUBJECT = 3
 ASSIGNMENT_WEIGHTS = 4
 ASSIGNMENT_RANGES = 5
 ASSIGNMENT_ALLOWS = 6
-TOKEN_FILE = pathlib.Path() / "manager" / "token.json"
-CLIENT_SECRET_FILE = pathlib.Path() / "manager" / "client_secret.json"
+TOKEN_FILE = pathlib.Path() / ".secrets" / "token.json"
+CLIENT_SECRET_FILE = pathlib.Path() / ".secrets" / "client_secret.json"
 
 
 class Manager:
diff --git a/SpreadsheetsService/models/assignment.py b/SpreadsheetsService/models/assignment.py
index 7e85fa7..0d89206 100644
--- a/SpreadsheetsService/models/assignment.py
+++ b/SpreadsheetsService/models/assignment.py
@@ -1,10 +1,17 @@
-class Assignment:
+class Assignment(dict):
     """Задание."""
 
-    def __init__(self, name: str, values: list, weight: float=1):
+    def __init__(self, name: str, points: list, weight: float = 1):
         self.name = name
         self.weight = weight
-        self.values = values
+        self.points = points
+        dict.__init__(
+            self,
+            name=self.name,
+            weight=self.weight,
+            points=self.points,
+            total=self.total,
+        )
 
     @property
     def total(self) -> float:
@@ -12,4 +19,4 @@ class Assignment:
 
         `вес*СУММ(рез-ты)`
         """
-        return sum(self.values) * self.weight
+        return sum(self.points) * self.weight
diff --git a/SpreadsheetsService/models/student.py b/SpreadsheetsService/models/student.py
index 6040665..9d39df5 100644
--- a/SpreadsheetsService/models/student.py
+++ b/SpreadsheetsService/models/student.py
@@ -1,8 +1,7 @@
 from .assignment import Assignment
-import json
 
 
-class Student:
+class Student(dict):
     """Позволяет выполнять операции над студентами."""
 
     def __init__(self, number: int, name: str, group_id: int, tg_id: int = None):
@@ -12,6 +11,15 @@ class Student:
         self.tg_id: int = tg_id
         self.assignments = []
 
+        dict.__init__(
+            self,
+            number=self.number,
+            name=self.name,
+            group_id=self.group_id,
+            tg_id=self.tg_id,
+            assignments=self.assignments,
+        )
+
     def add_assignment(self, assignment: Assignment):
         self.assignments.append(assignment)
 
@@ -24,13 +32,3 @@ class Student:
     def score(self):
         """Количество баллов у студента."""
         return sum([a.total for a in self.assignments])
-
-    def __str__(self):
-        return json.dumps(
-            {
-                "number": self.number,
-                "name": self.name,
-                "group_id": self.group_id,
-                "tg_id": self.tg_id,
-            }
-        )
diff --git a/SpreadsheetsService/requirements.txt b/SpreadsheetsService/requirements.txt
index f0b48a0..0e22ebc 100644
--- a/SpreadsheetsService/requirements.txt
+++ b/SpreadsheetsService/requirements.txt
@@ -1 +1,3 @@
-Flask==2.0.0
\ No newline at end of file
+Flask==2.0.0
+google-api-python-client==2.15.0
+google-auth-oauthlib==0.4.5
\ No newline at end of file
diff --git a/TelegramBot/Dockerfile b/TelegramBot/Dockerfile
index f5e5e93..385874e 100644
--- a/TelegramBot/Dockerfile
+++ b/TelegramBot/Dockerfile
@@ -12,7 +12,6 @@ COPY requirements.txt .
 RUN python -m pip install -r requirements.txt
 
 WORKDIR /app
-COPY . /app
 
 # Creates a non-root user with an explicit UID and adds permission to access the /app folder
 # For more info, please refer to https://aka.ms/vscode-docker-python-configure-containers
diff --git a/TelegramBot/bot.py b/TelegramBot/bot.py
index 3254a81..de2967f 100644
--- a/TelegramBot/bot.py
+++ b/TelegramBot/bot.py
@@ -1,58 +1,97 @@
 import logging
-import os
-import platform
-import time
 import requests
+from pathlib import Path
 
-from telegram.ext import Updater
-from telegram.ext import CommandHandler
-from telegram.ext import MessageHandler, Filters
 
-TOKEN = "1903048555:AAFK-d7prKvOvwwXo0IPzeRwJ1ZcuOT5ty8"  # os.environ["TOKEN"]
+from telegram import ReplyKeyboardMarkup, ReplyKeyboardRemove, Update
+from telegram.ext import (
+    Updater,
+    CommandHandler,
+    MessageHandler,
+    Filters,
+    ConversationHandler,
+    CallbackContext,
+)
+
+from messages import Messages
+
+TOKEN = Path(".secrets/bot_token.txt").read_text()
+MESSAGES = Messages()
+HOST = "http://carolyn-spreadsheets:5000"
 
 logging.basicConfig(
     format="%(asctime)s - %(name)s - %(levelname)s - %(message)s", level=logging.INFO
 )
+LOG = logging.getLogger(__name__)
 
+LOG.debug("Token is %s", TOKEN)
 updater = Updater(token=TOKEN, use_context=True)
 dispatcher = updater.dispatcher
 
 # ================================================================ BOT COMMANDS
 
-# Стартовое сообщение (к команде /start)
-def start(update, context):
+
+def start(update: Update, context: CallbackContext):
+    """Стартовое сообщение (к команде /start)"""
+
+    user_id = update.message.from_user.id
 
     p = context.args[0] if len(context.args) > 0 else None
 
     if p is None:
-        context.bot.send_message(
-            chat_id=update.effective_chat.id,
-            text="Нет доступа к боту",
-        )
+        update.message.reply_markdown_v2(text=MESSAGES.auth.NO_AUTH)
         return
 
-    data = requests.get(
-        "http://127.0.0.1:5000/auth",
-        params={"token": p, "tg_id": update.effective_chat.id},
-    ).json()
+    update.message.reply_text(text=MESSAGES.auth.START)
+
+    LOG.info(f"Authenticanting {user_id}")
+
+    try:
+        data = requests.get(
+            f"{HOST}/auth",
+            params={"token": p, "tg_id": user_id},
+        ).json()
+    except requests.exceptions.ConnectionError:
+        update.message.reply_sticker(MESSAGES.stickers.DEAD)
+        return
 
     context.bot.send_message(
-        chat_id=update.effective_chat.id,
-        text=f"Привет, {data}",
+        text=MESSAGES.auth.hello(data),
     )
 
 
-# Ответ на не командное сообщение (отвечает тем же сообщением)
-def echo(update, context):
+def grades(update: Update, context: CallbackContext):
+    """Команда: Получить оценки студента."""
+
+    user_id = update.message.from_user.id
+    try:
+        data = requests.get(f"{HOST}/grades", params={"tg_id": user_id}).json()
+        score = data["score"]
+        grade = data["grade"]
+        n_of_assignments = len(data["assignments"])
+
+        score_message = MESSAGES.score.get(grade, score, n_of_assignments)
+        update.message.reply_html(score_message)
+        update.message.reply_sticker(MESSAGES.stickers.bad())
+    except:
+        LOG.exception("Failed to get grades.")
+        update.message.reply_sticker(MESSAGES.stickers.DEAD)
+
+
+def echo(update: Update, context: CallbackContext):
+    """Ответ на не командное сообщение (отвечает тем же сообщением)"""
     context.bot.send_message(chat_id=update.effective_chat.id, text=update.message.text)
 
 
 # ==================================================================== HANDLERS
 
 start_handler = CommandHandler("start", start)
+grades_handler = CommandHandler("grades", grades)
+
 echo_handler = MessageHandler(Filters.text & (~Filters.command), echo)
 
 dispatcher.add_handler(start_handler)
+dispatcher.add_handler(grades_handler)
 dispatcher.add_handler(echo_handler)
 
 # Начало работы бота
diff --git a/TelegramBot/messages/__init__.py b/TelegramBot/messages/__init__.py
new file mode 100644
index 0000000..da79b07
--- /dev/null
+++ b/TelegramBot/messages/__init__.py
@@ -0,0 +1 @@
+from .messages import Messages
diff --git a/TelegramBot/messages/messages.py b/TelegramBot/messages/messages.py
new file mode 100644
index 0000000..4eff5ba
--- /dev/null
+++ b/TelegramBot/messages/messages.py
@@ -0,0 +1,84 @@
+import random
+
+
+class Messages:
+    class Auth:
+        def __init__(self):
+            self.NO_AUTH = "[Правила авторизации](https://github.com/Faridik/Carolyn/wiki/%F0%9F%A6%B8%E2%80%8D%E2%99%82%EF%B8%8F-%D0%90%D0%B2%D1%82%D0%BE%D1%80%D0%B8%D0%B7%D0%B0%D1%86%D0%B8%D1%8F)"
+            self.START = "🔑 Авторизация..."
+            self.NO_ACCESS = "⛔ Нет доступа"
+
+        def hello(self, data):
+            return f"Привет, {data} 👋"
+
+    class Score:
+        def get(self, grade, score, n_of_assignments):
+            summary = (
+                f"Ранг: <b>{score:.2f}</b> {n_of_assignments} зад.\n"
+                + f"Оценка: <b>{grade:.2f}</b>"
+            )
+            return summary
+
+    class Spreadsheets:
+        def __init__(self):
+            self.DEAD = "⚰ Сервис «таблицы» недоступен"
+
+    class Stickers:
+        def __init__(self):
+            # Воробей павлик с колокольчиком и надписью "позор"
+            self.POZOR = "CAACAgIAAxkBAAEm1RhhBZg-2D6NypUeTsnbToD8_LMFTAACuUcAAulVBRjfnofQTkeMnCAE"
+            # кот Сима в петле плачет и показывает палец вверх
+            self.ROPE = "CAACAgIAAxkBAAEm1SFhBZjLaZgFIkvyxfBmAplwUWQFwwACBS0AAulVBRiIaSQ42WLoyyAE"
+            # Акио смотрит на брокколи
+            self.BROCCOLI = "CAACAgIAAxkBAAEm1SVhBZkd24Dy2B_wYSCi6UrNuUjgwQACEUkAAulVBRiykDzrzywbmiAE"
+            # Ян показывает палец вниз
+            self.THUMB_DOWN = "CAACAgIAAxkBAAEm1SthBZlcos0_TbJo8W7mAcqGLNAh2wACJ5cAAp7OCwABDddMclD7Tf8gBA"
+            # Тигр закатывает глаза
+            self.EYES_UP = "CAACAgEAAxkBAAEm1TBhBZmIZTrwzhGSzC47rNFbewQe6QAC4gADOA6CEeTgk4YIcTeWIAQ"
+            # Нутри большими глазами и надписью "пипец"
+            self.PPTS = "CAACAgIAAxkBAAEm1TZhBZnNVwLXmrbZwvdGjxiSwefzDAACn0sAAulVBRhECmBPSGCXHSAE"
+            # Попугай Кент с недовольной мордахой
+            self.GRUMPY_KENT = "CAACAgIAAxkBAAEm1UBhBZn1gXmRfxaK_RqFTj1aFxLY-gACy0EAAulVBRhgQdlH2rd0uyAE"
+            # wojak
+            self.WOJAK = "CAACAgIAAxkBAAEm1UJhBZpfHNYVT_ZLrxUpyi8qRLWJGgACPAADB7lDCi2YrzAEyxJeIAQ"
+            # Лэтишный котик и надпись "ОЙ"
+            self.OOPS = "CAACAgIAAxkBAAEm1URhBZp2li7w2E1M6PirG7UnqLOc2QACSxEAAlTE4UoR1Olz8RANZCAE"
+            # Мем "оп ахах неловко вышло"
+            self.NELOVKO = "CAACAgIAAxkBAAEm1UZhBZqZ94SFa1e6d-Zy5I-6_SC_fQACgwgAAh8MqEiLbHl9nugoYSAE"
+            # Попугай смотрит в зеркало "посмотри что с тобой стало"
+            self.MIRROR = "CAACAgIAAxkBAAEm1VFhBZudma_FmFhybGgXikz3csc0BQAC2UEAAulVBRgkdje995ir7iAE"
+            # Попугай с сигаретой
+            self.CIG = "CAACAgIAAxkBAAEm1VZhBZv6p7GsHS6wcyt2mCXoHJCo-wAC0UEAAulVBRghLLSQAcU6rSAE"
+            # Попугай и песок
+            self.SAND = "CAACAgIAAxkBAAEm1VhhBZwbw83_UVS8A5Crsf3EVAABvWIAAshBAALpVQUYl51K7ci-ClIgBA"
+            # Акио падает в обморок
+            self.PANIC = "CAACAgIAAxkBAAEm1VxhBZxwqRUJmVXDtzmsPJUIIGJgegACB0kAAulVBRiMI-hzK3GcKiAE"
+            # Эникей надпись "умер"
+            self.DEAD = "CAACAgIAAxkBAAEm1aRhBaWXRb_tcI03O1onx0jW0bHmuAACejcAAulVBRi1oSUXeBATmiAE"
+
+        def bad(self):
+            """Возвращает стикер с грустным смыслом."""
+            return random.choice(
+                [
+                    self.POZOR,
+                    self.ROPE,
+                    self.BROCCOLI,
+                    self.THUMB_DOWN,
+                    self.EYES_UP,
+                    self.PPTS,
+                    self.GRUMPY_KENT,
+                    self.WOJAK,
+                    self.OOPS,
+                    self.NELOVKO,
+                    self.MIRROR,
+                    self.CIG,
+                    self.SAND,
+                    self.PANIC,
+                ]
+            )
+
+    def __init__(self):
+        self.auth = self.Auth()
+        self.score = self.Score()
+        self.spreadsheets = self.Spreadsheets()
+        self.stickers = self.Stickers()
diff --git a/docker-compose.yml b/docker-compose.yml
index 4b234a2..5ebf360 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,19 +1,17 @@
 version: "3.9"
 
-services: 
-    spreadsheets:
-        container_name: "carolyn-spreadsheets"
-        build: ./SpreadsheetsService
-        ports: 
-            - "5000:5000"
-        environment: 
-            SECRETKEY: "HELLO-WORLD-@21XX 15AF"
-        volumes: 
-            - ./SpreadsheetsService:/app
-    telegrambot:
-        container_name: "carolyn-telegrambot"
-        build: ./TelegramBot
-        environment: 
-            TOKEN: "1903048555:AAFK-d7prKvOvwwXo0IPzeRwJ1ZcuOT5ty8"
-        volumes: 
-            - ./TelegramBot:/app
\ No newline at end of file
+services:
+  spreadsheets:
+    container_name: "carolyn-spreadsheets"
+    build: ./SpreadsheetsService
+    ports:
+      - "5000:5000"
+    environment:
+      SECRETKEY: "HELLO-WORLD-@21XX 15AF"
+    volumes:
+      - ./SpreadsheetsService:/app
+  telegrambot:
+    container_name: "carolyn-telegrambot"
+    build: ./TelegramBot
+    volumes:
+      - ./TelegramBot:/app