feat(withdraw): add user withdrawal flow using CryptoPay

handlers/user.py

@@ -1,11 +1,12 @@
 from aiogram import F, Router
 from aiogram.fsm.context import FSMContext
-from aiogram.types import CallbackQuery
+from aiogram.types import LinkPreviewOptions, CallbackQuery, Message
+from aiogram.fsm.state import State, StatesGroup
 
 from config import ADMIN_ID, BOT_USERNAME
-from db.storage import load_config, load_stats
+from db.storage import load_config, load_stats, save_config
 from db.users import get, register, save
-from keyboards.user import back_kb
+from keyboards.user import back_kb, activate_kb
 from runtime import get_bot, get_log_bot
 from services.withdrawals import create_crypto_check
 from utils.logging import log_admin, safe_edit
@@ -13,6 +14,10 @@ from utils.logging import log_admin, safe_edit
 router = Router(name="user")
 
 
+class WithdrawState(StatesGroup):
+    waiting_for_amount = State()
+
+
 def _get_profile(callback: CallbackQuery):
     profile = get(callback.from_user.id)
     if profile is None:
@@ -77,6 +82,7 @@ async def cb_withdraw(callback: CallbackQuery, state: FSMContext):
     await state.clear()
     profile = _get_profile(callback)
     cfg = load_config()
+
     if profile.balance < cfg.min_withdraw:
         await safe_edit(
             callback,
@@ -87,37 +93,76 @@ async def cb_withdraw(callback: CallbackQuery, state: FSMContext):
         )
         await callback.answer()
         return
-    if profile.balance > cfg.treasury:
-        await safe_edit(
-            callback,
-            f"⚠️ Недостаточно средств в казне: <b>{cfg.treasury:.2f} ₽</b>.",
-            reply_markup=back_kb(),
-        )
-        await callback.answer()
-        return
 
-    await callback.answer("⏳ Создаю чек...")
-    await safe_edit(callback, "⏳ Создаю CryptoBot-чек, подождите...")
-    amount = profile.balance
-    check_url = await create_crypto_check(amount)
-    if not check_url:
-        await safe_edit(callback, "❌ Не удалось создать чек. Попробуйте позже.", reply_markup=back_kb())
-        return
-
-    profile.balance = 0.0
-    save(profile.user_id, profile)
-    cfg.treasury = max(0.0, cfg.treasury - amount)
-    from db.storage import save_config
-
-    save_config(cfg)
     await safe_edit(
         callback,
-        f"✅ Чек создан на сумму <b>{amount:.2f} ₽</b>.\n"
-        f"<a href='{check_url}'>Активировать чек</a>",
+        f"💳 <b>Вывод средств</b>\n\n"
+        f"Ваш баланс: <b>{profile.balance:.2f} ₽</b>\n"
+        f"Минимум: <b>{cfg.min_withdraw:.2f} ₽</b>\n\n"
+        f"Введите сумму для вывода:",
         reply_markup=back_kb(),
-        disable_web_page_preview=True,
     )
-    bot = get_bot() or callback.message.bot
+    await state.set_state(WithdrawState.waiting_for_amount)
+    await callback.answer()
+
+
+@router.message(WithdrawState.waiting_for_amount)
+async def process_withdraw_amount(message: Message, state: FSMContext):
+    profile = _get_profile(message)
+    cfg = load_config()
+
+    try:
+        amount = float(message.text)
+    except ValueError:
+        await message.answer("❌ Введите корректную сумму числом.")
+        return
+
+    if amount <= 0:
+        await message.answer("❌ Сумма должна быть больше нуля.")
+        return
+
+    if amount < cfg.min_withdraw:
+        await message.answer(f"❌ Минимум для вывода: <b>{cfg.min_withdraw:.2f} ₽</b>.")
+        return
+
+    if amount > profile.balance:
+        await message.answer(
+            f"❌ Недостаточно средств. Ваш баланс: <b>{profile.balance:.2f} ₽</b>."
+        )
+        return
+
+    if amount > cfg.treasury:
+        await message.answer(
+            f"❌ Недостаточно средств в казне: <b>{cfg.treasury:.2f} ₽</b>."
+        )
+        return
+
+    await state.clear()
+    await message.answer("⏳ Создаю CryptoBot-чек, подождите...")
+
+    check_url, check_image_url = await create_crypto_check(amount)
+    if not check_url:
+        await message.answer(
+            "❌ Не удалось создать чек. Попробуйте позже.",
+            reply_markup=back_kb(),
+        )
+        return
+
+    profile.balance -= amount
+    save(profile.user_id, profile)
+    cfg.treasury = max(0.0, cfg.treasury - amount)
+
+    save_config(cfg)
+
+    await message.answer(
+        text=f"🦋 Чек на <b>{amount:.2f} ₽</b>.",
+        reply_markup=activate_kb(url=check_url, amount=amount),
+        link_preview_options=LinkPreviewOptions(
+            url=check_image_url, show_above_text=True
+        ),
+    )
+
+    bot = get_bot() or message.bot
     await log_admin(
         bot,
         ADMIN_ID,