feat: add subscribtion scheduler with ai, pagination

handlers/registration.py

@@ -0,0 +1,80 @@
+from aiogram import Router, F
+from aiogram.types import Message, CallbackQuery
+from aiogram.fsm.context import FSMContext
+from states import Registration
+from keyboards import get_spheres_kb, get_skip_kb
+from database import Database
+
+router = Router()
+db = Database("users.db")
+
+@router.callback_query(F.data == "subscribe")
+async def subscribe_handler(callback: CallbackQuery, state: FSMContext):
+    await db.add_user(callback.from_user.id)
+    await callback.message.edit_text(
+        "Отлично! Давай настроим профиль.\n<b>В какой сфере IT ты работаешь?</b>",
+        reply_markup=get_spheres_kb()
+    )
+    await state.set_state(Registration.waiting_for_sphere)
+    await callback.answer()
+
+@router.callback_query(Registration.waiting_for_sphere)
+async def sphere_chosen(callback: CallbackQuery, state: FSMContext):
+    sphere = callback.data.split("_")[1]
+    if sphere == "other":
+        await callback.message.edit_text("Напиши свою сферу деятельности:")
+        await state.set_state(Registration.waiting_for_custom_sphere)
+    else:
+        await state.update_data(sphere=sphere)
+        await callback.message.edit_text(f"Выбрано: <b>{sphere}</b>\n\nКакой основной стек технологий?")
+        await state.set_state(Registration.waiting_for_language)
+    await callback.answer()
+
+@router.message(Registration.waiting_for_custom_sphere)
+async def custom_sphere_input(message: Message, state: FSMContext):
+    await state.update_data(sphere=message.text)
+    await message.answer(f"Принято: <b>{message.text}</b>\n\nКакой основной стек?")
+    await state.set_state(Registration.waiting_for_language)
+
+@router.message(Registration.waiting_for_language)
+async def language_chosen(message: Message, state: FSMContext):
+    await state.update_data(language=message.text)
+    await message.answer(
+        "Принято! И последнее: напиши свои <b>предпочтения по заказам</b> (фильтры).\n"
+        "Например: 'чек от 5000р' или 'без правок'.\n\n"
+        "<i>Если не хочешь заполнять сейчас, нажми кнопку ниже.</i>",
+        reply_markup=get_skip_kb()
+    )
+    await state.set_state(Registration.waiting_for_preferences)
+
+@router.callback_query(Registration.waiting_for_preferences, F.data == "skip_preferences")
+async def skip_preferences(callback: CallbackQuery, state: FSMContext):
+    await state.update_data(preferences="Не указано")
+    data = await state.get_data()
+    
+    await db.update_user_data(callback.from_user.id, data)
+    
+    await callback.message.edit_text(
+        "✅ <b>Профиль успешно настроен!</b> (Фильтры пропущены)\n\n"
+        f"🌐 Сфера: {data['sphere']}\n"
+        f"🛠 Стек: {data['language']}\n"
+        f"⚙️ Фильтры: {data['preferences']}"
+    )
+    await state.clear()
+    await callback.answer()
+
+@router.message(Registration.waiting_for_preferences)
+async def preferences_input(message: Message, state: FSMContext):
+    await state.update_data(preferences=message.text)
+    data = await state.get_data()
+    
+    # Сохраняем в базу данных
+    await db.update_user_data(message.from_user.id, data)
+    
+    await message.answer(
+        "✅ <b>Профиль успешно настроен!</b>\n\n"
+        f"🌐 Сфера: {data['sphere']}\n"
+        f"🛠 Стек: {data['language']}\n"
+        f"⚙️ Фильтры: {data['preferences']}"
+    )
+    await state.clear()