added authentication to the bot. added bot commnads. added create button for when the db is empty or no data is available to show.

bot/handlers/init.py

@@ -1,11 +1,25 @@
-from . import start, students, teachers, courses, tags, categories, common
+from . import start, students, teachers, courses, tags, categories, common, login
 from bot.callbacks.init import register_all_callbacks
+from telebot import types
 
 
 def register_all_handlers(bot):
     """Register all handlers and callbacks"""
+    # Set bot commands
+    commands = [
+        types.BotCommand(command="start", description="Start the bot"),
+        types.BotCommand(command="login", description="Login to your account"),
+        types.BotCommand(command="logout",
+                         description="Logout of your account"),
+        types.BotCommand(command="session",
+                         description="Info about your session"),
+    ]
+
+    bot.set_my_commands(commands)
+
     # Message handlers
     start.register(bot)
+    login.register(bot)
     students.register(bot)
     teachers.register(bot)
     courses.register(bot)