fix: Add lock to prevent update race.

hyperfocus/twitch/component.py

@@ -1,3 +1,4 @@
+import asyncio
 from string import punctuation
 import datetime as dt
 from datetime import datetime, timedelta
@@ -40,6 +41,7 @@ class FocusComponent(cmds.Component):
         register_channel(self.channel.name, self.channel)
 
         self._last_deleted: dict[int, datetime] = {}
+        self.hyperfocus_lock = asyncio.Lock()
 
     # ----- API -----
     async def component_load(self):
@@ -88,6 +90,10 @@ class FocusComponent(cmds.Component):
 
     @cmds.Component.listener()
     async def event_message(self, payload: twitchio.ChatMessage):
+        async with self.hyperfocus_lock:
+            await self.handle_message(payload)
+
+    async def handle_message(self, payload: twitchio.ChatMessage):
         # Check if chatter is currently hyperfocused
         profile = await self.bot.profiles.fetch_profile(payload.chatter, touch=True)
         hyperfocused = await self.get_hyperfocus(profile.profileid)
@@ -173,6 +179,7 @@ class FocusComponent(cmds.Component):
         pid = profile.profileid
         comm = await self.bot.profiles.fetch_community(ctx.broadcaster, touch=True)
 
+        async with self.hyperfocus_lock:
             await Hyperfocuser.table.delete_where(profileid=pid)
             focuser = await Hyperfocuser.create(
                 profileid=pid,
@@ -193,6 +200,7 @@ class FocusComponent(cmds.Component):
     @cmds.command(name="unfocus")
     async def unfocus_cmd(self, ctx):
         profile = await self.bot.profiles.fetch_profile(ctx.chatter, touch=True)
+        async with self.hyperfocus_lock:
             row = await Hyperfocuser.fetch(profile.profileid)
             if row:
                 await row.delete()
@@ -209,6 +217,7 @@ class FocusComponent(cmds.Component):
 
         profile = await self.bot.profiles.fetch_profile(user, touch=False)
 
+        async with self.hyperfocus_lock:
             if hyper := (await self.get_hyperfocus(profile.profileid)):
                 durstr = strfdelta(hyper.ends_at - utc_now())
                 await ctx.reply(
@@ -228,3 +237,10 @@ class FocusComponent(cmds.Component):
         await ctx.reply(
             "Add HYPERFOCUS to your channel by authorising me here: https://croccyfocus.thewisewolf.dev/invite"
         )
+
+    @cmds.command(name="focuslist")
+    @cmds.is_moderator()
+    async def focuslist_cmd(self, ctx):
+        comm = await self.bot.profiles.fetch_community(ctx.broadcaster, touch=True)
+        link = f"https://croccyfocus.thewisewolf.dev/widget/?community={comm}"
+        await ctx.reply(f"Browser source link for your channel's hyperfocus: {link}")