Add help for the pub bot

kmibot/modules/pub/__init__.py

@@ -54,7 +54,7 @@ async def on_scheduled_event_update(
         old_event: discord.ScheduledEvent,
         new_event: discord.ScheduledEvent,
     ) -> None:
-        if event_is_pub(new_event):
+        if event_is_pub(old_event):
             await self.handle_pub_event_change(client, old_event, new_event)
 
     async def on_scheduled_event_user_add(

kmibot/modules/pub/commands.py

@@ -289,3 +289,24 @@ async def table(self, interaction: discord.Interaction, table_number: int) -> No
             ),
             view=get_pub_buttons_view(pub),
         )
+
+    @command(description="Get info on how to use the /pub command.")  # type: ignore[arg-type]
+    async def help(self, interaction: discord.Interaction) -> None:  # noqa: A003
+        LOGGER.info(f"{interaction.user} used /pub next")
+        assert interaction.guild is not None
+
+        await interaction.response.send_message(
+            "\n".join(
+                [
+                    "I manage the pub events, and keep data up to date between systems.",
+                    "Please don't edit the pub events manually, it confuses me!",
+                    "Some people have auto opt-in for pub events, so use me to notify people of changes",
+                    "",
+                    "**Commands**",
+                    "/pub next - create the next pub event, if needed",
+                    "/pub table <table_no> - add the table number and let others know",
+                    "/pub change - move the location of the pub and ping all attendees.",
+                ],
+            ),
+            ephemeral=True,
+        )