Fix subscription_period in create_invoice_link

Closes #135

compiler/errors/source/400_BAD_REQUEST.tsv

@@ -464,6 +464,7 @@ STORY_NOT_MODIFIED	The new story information you passed is equal to the previous
 STORY_PERIOD_INVALID	The specified story period is invalid for this account.
 STORY_SEND_FLOOD_MONTHLY_X	You've hit the monthly story limit as specified by the [`stories_sent_monthly_limit_*` client configuration parameters](https://core.telegram.org/api/config#stories-sent-monthly-limit-default): wait for the specified number of seconds before posting a new story.
 STORY_SEND_FLOOD_WEEKLY_X	You've hit the weekly story limit as specified by the [`stories_sent_weekly_limit_*` client configuration parameters](https://core.telegram.org/api/config#stories-sent-weekly-limit-default): wait for the specified number of seconds before posting a new story.
+SUBSCRIPTION_PERIOD_INVALID	The subscription period is invalid.
 SWITCH_PM_TEXT_EMPTY	The switch_pm.text field was empty.
 SWITCH_WEBVIEW_URL_INVALID	The URL specified in switch_webview.url is invalid!
 TAKEOUT_INVALID	The takeout id is invalid

pyrogram/methods/business/create_invoice_link.py

@@ -17,11 +17,11 @@
 #  along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
 
 import logging
-from datetime import datetime
+from datetime import timedelta
 from typing import Optional, Union
 
 import pyrogram
-from pyrogram import enums, raw, utils, types
+from pyrogram import raw, types
 
 log = logging.getLogger(__name__)
 
@@ -34,23 +34,23 @@ async def create_invoice_link(
         payload: Union[str, bytes],
         currency: str,
         prices: list["types.LabeledPrice"],
-        provider_token: str = None,
-        subscription_period: datetime = None,
-        max_tip_amount: int = None,
-        suggested_tip_amounts: list[int] = None,
-        start_parameter: str = None,
-        provider_data: str = None,
-        photo_url: str = None,
-        photo_size: int = None,
-        photo_width: int = None,
-        photo_height: int = None,
-        need_name: bool = None,
-        need_phone_number: bool = None,
-        need_email: bool = None,
-        need_shipping_address: bool = None,
-        send_phone_number_to_provider: bool = None,
-        send_email_to_provider: bool = None,
-        is_flexible: bool = None
+        provider_token: Optional[str] = None,
+        subscription_period: Optional[Union[int, timedelta]] = None,
+        max_tip_amount: Optional[int] = None,
+        suggested_tip_amounts: Optional[list[int]] = None,
+        start_parameter: Optional[str] = None,
+        provider_data: Optional[str] = None,
+        photo_url: Optional[str] = None,
+        photo_size: Optional[int] = None,
+        photo_width: Optional[int] = None,
+        photo_height: Optional[int] = None,
+        need_name: Optional[bool] = None,
+        need_phone_number: Optional[bool] = None,
+        need_email: Optional[bool] = None,
+        need_shipping_address: Optional[bool] = None,
+        send_phone_number_to_provider: Optional[bool] = None,
+        send_email_to_provider: Optional[bool] = None,
+        is_flexible: Optional[bool] = None
     ) -> str:
         """Use this method to create a link for an invoice.
 
@@ -75,7 +75,7 @@ async def create_invoice_link(
             provider_token (``str``, *optional*):
                 Payment provider token, obtained via `@BotFather <https://t.me/botfather>`_. Pass an empty string for payments in `Telegram Stars <https://t.me/BotNews/90>`_.
 
-            subscription_period (:py:obj:`~datetime.datetime`, *optional*):
+            subscription_period (``int`` | :py:obj:`~datetime.timedelta`, *optional*):
                 The number of seconds the subscription will be active for before the next payment. The currency must be set to "XTR" (Telegram Stars) if the parameter is used. Currently, it must always be 2592000 (30 days) if specified. Any number of subscriptions can be active for a given bot at the same time, including multiple concurrent subscriptions from the same user. Subscription price must no exceed ``stars_paid_post_amount_max`` Telegram Stars.
 
             max_tip_amount (``int``, *optional*):
@@ -154,7 +154,11 @@ async def create_invoice_link(
                     flexible=is_flexible,
                     phone_to_provider=send_phone_number_to_provider,
                     email_to_provider=send_email_to_provider,
-                    subscription_period=utils.datetime_to_timestamp(subscription_period)
+                    subscription_period=int(
+                        subscription_period.total_seconds()
+                        if isinstance(subscription_period, timedelta)
+                        else subscription_period
+                    ) if subscription_period else None
                 ),
                 payload=payload.encode() if isinstance(payload, str) else payload,
                 provider=provider_token,