App Premium implementation

discord/client.py

@@ -2834,7 +2834,7 @@ async def _after_strategy(retrieve: int, after: Optional[Snowflake], limit: Opti
 
     async def create_entitlement(
         self,
-        sku_id: int,
+        sku: Snowflake,
         owner: Snowflake,
         owner_type: EntitlementOwnerType,
     ) -> None:
@@ -2846,8 +2846,8 @@ async def create_entitlement(
 
         Parameters
         -----------
-        sku_id: :class:`int`
-            The ID of the SKU to create the entitlement for.
+        sku: :class:`~discord.abc.Snowflake`
+            The SKU to create the entitlement for.
         owner: Optional[:class:`~discord.abc.Snowflake`]
             The ID of the owner.
         owner_type: :class:`.EntitlementOwnerType`

discord/sku.py

@@ -148,6 +148,10 @@ def created_at(self) -> datetime:
         """:class:`datetime.datetime`: Returns the entitlement's creation time in UTC."""
         return utils.snowflake_time(self.id)
 
+    def is_expired(self) -> bool:
+        """:class:`bool`: Returns ``True`` if the entitlement is expired."""
+        return utils.utcnow() >= self.ends_at
+
     async def delete(self) -> None:
         """|coro|