fix(subscription): allow zero-day dev confirmation

VERSION

@@ -1 +1 @@
-0.1.0+69
+0.1.0+71

bot.py

@@ -422,9 +422,12 @@ async def confirm_development_payment(callback: CallbackQuery) -> None:
     if callback.from_user is None or callback.from_user.id != user_id:
         await callback.answer("Эта кнопка предназначена другому пользователю.", show_alert=True)
         return
-    if days <= 0:
+    if days < 0 or days not in user_store.SUBSCRIPTION_PLANS:
         await callback.answer("Неизвестный срок подписки.", show_alert=True)
         return
+    if days == 0:
+        await callback.answer("Dev-оплата подтверждена. Срок подписки не изменён.")
+        return
     await asyncio.to_thread(ensure_subscription, user_id)
     days_left = await asyncio.to_thread(user_store.activate_subscription_days, user_id, days)
     await callback.answer("Dev-оплата подтверждена.")
@@ -494,22 +497,7 @@ async def subscribe_command(message: Message, state: FSMContext) -> None:
 
 async def _send_zero_star_invoice(message: Message, user_id: int) -> None:
     """Sends a one-Star test invoice; never grants access."""
-    try:
-        await message.bot.send_invoice(
-            chat_id=message.chat.id,
-            title="Тестовый счёт на 1 ⭐",
-            description="Проверка поддержки минимального платежа Telegram Stars",
-            payload=f"sub:0:{datetime.datetime.now(datetime.timezone.utc):%Y%m%d%H%M%S}",
-            currency="XTR",
-            prices=[LabeledPrice(label="Тест", amount=1)],
-            provider_token="",
-            message_thread_id=message.message_thread_id,
-        )
-    except Exception as exc:
-        logger.info("Zero-Star invoice rejected by Telegram (%s)", type(exc).__name__)
-        await message.answer("Telegram отклонил тестовый счёт на 1 ⭐.")
-        return
-    await message.answer("Telegram принял тестовый счёт на 1 ⭐. Доступ он не выдаёт.")
+    await _send_subscription_invoice(message, user_id, days=0)
 
 
 async def _send_subscription_invoice(message: Message, user_id: int, days: int = 30) -> None:
@@ -554,9 +542,6 @@ async def subscription_plan(callback: CallbackQuery, state: FSMContext) -> None:
         await callback.answer("Такой тариф недоступен.", show_alert=True)
         return
     await callback.answer()
-    if days == 0:
-        await _send_zero_star_invoice(callback.message, callback.from_user.id)
-        return
     try:
         await callback.message.delete()
     except Exception as exc:

keyboards.py

@@ -90,7 +90,7 @@ def mode_keyboard(
 
 def subscription_plans_keyboard() -> InlineKeyboardMarkup:
     return InlineKeyboardMarkup(inline_keyboard=[
-        [InlineKeyboardButton(text="0 дней — 0 ⭐ (тест)", callback_data="subscription:plan:0")],
+        [InlineKeyboardButton(text="0 дней — 1 ⭐", callback_data="subscription:plan:0")],
         [InlineKeyboardButton(text="1 день — 15 ⭐", callback_data="subscription:plan:1")],
         [InlineKeyboardButton(text="10 дней — 150 ⭐", callback_data="subscription:plan:10")],
         [InlineKeyboardButton(text="30 дней — 450 ⭐", callback_data="subscription:plan:30")],

payments.py

@@ -48,7 +48,9 @@ def plan_for_payload(payload: str) -> tuple[int, int] | None:
     except (ValueError, IndexError):
         return None
     price = SUBSCRIPTION_PLANS.get(days)
-    return (days, price) if price is not None else None
+    if price is None or (days == 0 and price != 1):
+        return None
+    return days, price
 
 
 def _db_path(db_path: str | None = None) -> str | None:
@@ -149,6 +151,19 @@ async def handle_successful_payment(message: Message) -> None:
         await message.answer("Этот платёж уже учтён — подписка не продлена повторно.")
         return
 
+    if days == 0:
+        await asyncio.to_thread(
+            save_payment,
+            charge_id,
+            message.from_user.id,
+            payment.invoice_payload,
+            payment.currency,
+            payment.total_amount,
+            db_path,
+        )
+        await message.answer("Оплата 1 ⭐ получена. Срок подписки не изменён.")
+        return
+
     await asyncio.to_thread(ensure_subscription, message.from_user.id)
     days_left = await asyncio.to_thread(activate_subscription_days, message.from_user.id, days)
     await asyncio.to_thread(

tests/test_keyboards.py

@@ -256,7 +256,7 @@ class ModeRoutingTests(unittest.IsolatedAsyncioTestCase):
         self.assertEqual(len(message.answers), 1)
         self.assertEqual(message.answers[0][0], "Выберите срок подписки")
         labels = [button.text for row in message.answers[0][1]["reply_markup"].inline_keyboard for button in row]
-        self.assertEqual(labels, ["0 дней — 0 ⭐ (тест)", "1 день — 15 ⭐", "10 дней — 150 ⭐", "30 дней — 450 ⭐"])
+        self.assertEqual(labels, ["0 дней — 1 ⭐", "1 день — 15 ⭐", "10 дней — 150 ⭐", "30 дней — 450 ⭐"])
 
     async def test_subscription_action_button_is_rejected_outside_subscription_mode(self):
         message = _StubMessage(keyboards.RENEW_SUBSCRIPTION_BUTTON)
@@ -278,7 +278,7 @@ class ModeRoutingTests(unittest.IsolatedAsyncioTestCase):
         self.assertEqual(len(message_bot.mock_calls), 2)
         sent = message_bot.mock_calls[-1].args[0]
         self.assertEqual(sent.text, "Выберите срок подписки")
-        self.assertEqual([b.text for row in sent.reply_markup.inline_keyboard for b in row], ["0 дней — 0 ⭐ (тест)", "1 день — 15 ⭐", "10 дней — 150 ⭐", "30 дней — 450 ⭐"])
+        self.assertEqual([b.text for row in sent.reply_markup.inline_keyboard for b in row], ["0 дней — 1 ⭐", "1 день — 15 ⭐", "10 дней — 150 ⭐", "30 дней — 450 ⭐"])
 
     async def test_idea_command_generates_only_in_generation_mode(self):
         message = _StubMessage("/idea")

tests/test_payments.py

@@ -83,6 +83,16 @@ class PreCheckoutTests(unittest.IsolatedAsyncioTestCase):
         await payments.handle_pre_checkout(query)
         query.answer.assert_awaited_once_with(ok=True)
 
+    async def test_accepts_valid_zero_day_one_star_invoice(self):
+        query = self._query(amount=1, payload="sub:0:20261001120000")
+        await payments.handle_pre_checkout(query)
+        query.answer.assert_awaited_once_with(ok=True)
+
+    async def test_rejects_zero_day_invoice_with_wrong_amount(self):
+        query = self._query(amount=0, payload="sub:0:20261001120000")
+        await payments.handle_pre_checkout(query)
+        self.assertFalse(query.answer.await_args.kwargs["ok"])
+
     async def test_rejects_wrong_amount(self):
         query = self._query(amount=1)
         await payments.handle_pre_checkout(query)
@@ -230,23 +240,41 @@ class SubscribeCommandTests(unittest.IsolatedAsyncioTestCase):
         self.assertEqual(markup.inline_keyboard[0][0].text, "🧪 Оплатил (dev, 10 дн.)")
         self.assertEqual(markup.inline_keyboard[0][0].callback_data, "dev_paid:42:10")
 
-    async def test_zero_star_plan_is_present_and_probes_one_star_invoice(self):
-        from pathlib import Path
-        source = Path(bot.__file__).read_text(encoding="utf-8")
-        body = source.split("async def _send_zero_star_invoice")[1].split("\n\nasync def _send_subscription_invoice")[0]
-        self.assertIn("amount=1", body)
-        self.assertNotIn("activate_subscription", body)
-
+    async def test_zero_day_dev_confirmation_is_accepted_without_activation(self):
         callback = AsyncMock()
         callback.data = "dev_paid:42:0"
         callback.from_user = SimpleNamespace(id=42)
+        callback.message = SimpleNamespace(
+            **Message(
+                message_id=1,
+                date=datetime.now(),
+                chat=Chat(id=555, type="private"),
+            ).model_dump(),
+            edit_reply_markup=AsyncMock(),
+            edit_text=AsyncMock(),
+        )
         with (
             patch.object(bot, "DEPLOY_ENV", "development"),
             patch.object(bot.asyncio, "to_thread", new=AsyncMock()) as to_thread,
         ):
             await bot.confirm_development_payment(callback)
         to_thread.assert_not_awaited()
-        callback.answer.assert_awaited_once_with("Неизвестный срок подписки.", show_alert=True)
+        callback.answer.assert_awaited_once_with("Dev-оплата подтверждена. Срок подписки не изменён.")
+
+    async def test_zero_day_plan_is_a_one_star_invoice_without_access_grant(self):
+        self.assertEqual(payments.plan_for_payload("sub:0:20261001120000"), (0, 1))
+
+        message = _paid_message(amount=1, payload="sub:0:20261001120000")
+        self.db = _db()
+        with (
+            patch.dict(os.environ, {"BOT_DB_PATH": self.db}),
+            patch.object(payments.asyncio, "to_thread", new=_direct_thread_mock()),
+            patch.object(payments, "activate_subscription_days") as activate,
+        ):
+            await payments.handle_successful_payment(message)
+        activate.assert_not_called()
+        self.assertTrue(payments.payment_recorded("charge1", self.db))
+        self.assertIn("Срок подписки не изменён", message.answers[0])
 
     async def test_dev_confirmation_activates_selected_term_and_replies_with_status(self):
         callback = AsyncMock()