chore: Updated fan club mock

Author: BottlecapDave

custom_components/octopus_energy/api_client/__init__.py

@@ -909,8 +909,9 @@ async def async_get_fan_club_discounts(self, account_id: str) -> FanClubResponse
       url = f'{self._base_url}/v1/graphql/'
       payload = { "query": fan_club_discount_query.format(account_id=account_id) }
       headers = { "Authorization": f"JWT {self._graphql_token}", integration_context_header: request_context }
-      async with client.post(url, json=payload, headers=headers) as heat_pump_response:
-        response = await self.__async_read_response__(heat_pump_response, url)
+      async with client.post(url, json=payload, headers=headers) as fan_club_response:
+        response = await self.__async_read_response__(fan_club_response, url)
+        _LOGGER.debug(f'async_get_fan_club_discounts response: {response}')
 
         if (response is not None 
             and "data" in response 

custom_components/octopus_energy/fan_club/__init__.py

@@ -42,9 +42,11 @@ def get_fan_club_number(discountSource: str):
   return discountSource.split(":")[0].strip()
 
 def mock_fan_club_forecast() -> FanClubResponse:
+  # This is based on data provided by https://github.com/BottlecapDave/HomeAssistant-OctopusEnergy/discussions/538#discussioncomment-7613665
   now: datetime = utcnow()
   now_thirty_minute = now.replace(minute=30 if now.minute >= 30 else 0, second=0, microsecond=0)
   historic = []
+  # Data is in 30 minute intervals
   current = now_thirty_minute
   for i in range(0, 48):
     current = current - timedelta(minutes=30)
@@ -54,7 +56,8 @@ def mock_fan_club_forecast() -> FanClubResponse:
     })
 
   forecast = []
-  current = now_thirty_minute
+  # Data is in 1 hour intervals
+  current = now.replace(minute=0, second=0, microsecond=0)
   for i in range(0, 48):
     current = current + timedelta(minutes=60)
     forecast.append({