Changed send_highscore_message to take guild rather than channel.

utilities/utils.py

@@ -298,23 +298,22 @@ def get_time_str(time_in: float) -> str:
     return time.strftime(f"%-M:%S.{milliseconds}", time.gmtime(time_in))
 
 
-async def send_highscore_message(
-    session: Session, channel: nextcord.TextChannel, group: CategoryGroup
-) -> nextcord.Message:
+async def send_highscore_message(session: Session, guild: nextcord.Guild, group: CategoryGroup) -> nextcord.Message:
     """
     Function takes care of checking if a message exists for a group.
     Creates and sends/edits the message.
 
     Args:
         session (Session): The sqlalchemy session being used for this function call.
-        channel (nextcord.TextChannel): Discord channel object where message is sent
-        group (CategoryGroup): group to post to the message
+        guild (nextcord.Guild): the nextcord.Guild object requesting this message.
+        group (CategoryGroup): group to post to the message.
 
     Returns:
-        nextcord.Message: Message object that was posted with group contents
+        nextcord.Message: Message object that was posted with group contents.
     """
 
     highscore_string = format_highscore_message(session, group)
+    channel = guild.get_channel(group.ChannelId)
 
     try:
         message: nextcord.Message = await channel.fetch_message(group.MessageId)
@@ -367,14 +366,7 @@ async def submit_score(
         stmt = select(CategoryGroup).where(CategoryGroup.GroupId == group_id)
         group = session.scalar(stmt)
 
-        # edit message
-        channel = interaction.guild.get_channel(group.ChannelId)
-
-        error_response = "Registered Highscores channel does not exist or was never registered."
-        error_response += 'Register with "/register" command.'
-        assert channel is not None, await interaction.send(error_response, ephemeral=True)
-
-        await send_highscore_message(session, channel, group)
+        await send_highscore_message(session, interaction.guild, group)
 
 
 def add_preset_configuration(guild_id: int, config_str: str) -> None: