Switch to explicit allowed prefix list.

hyperfocus/channel.py

@@ -0,0 +1,107 @@
+from collections import defaultdict
+from typing import Optional, TypeAlias, TypedDict
+import json
+
+from datetime import datetime, timedelta
+
+from meta.sockets import Channel
+from modules.profiles.profiles.profiles import ProfilesRegistry
+
+from . import logger
+from .data import Hyperfocuser, HyperfocusData
+
+ISOTimestamp: TypeAlias = str
+
+
+class HyperfocusedPayload(TypedDict):
+    userid: str
+    user_name: str
+    started_at: ISOTimestamp
+    ends_at: ISOTimestamp
+
+
+async def prepare_hyperfocuser(profiler: ProfilesRegistry, hyperfocuser: Hyperfocuser):
+    profile = await profiler.get_profile(hyperfocuser.profileid)
+    assert profile is not None
+
+    return HyperfocusedPayload(
+        userid=str(hyperfocuser.profileid),
+        user_name=profile.nickname or "Unknown",
+        started_at=hyperfocuser.started_at.isoformat(),
+        ends_at=hyperfocuser.ends_at.isoformat(),
+    )
+
+
+class FocusChannel(Channel):
+    name = "HyperFocus"
+
+    def __init__(self, profiler: ProfilesRegistry, focusdata: HyperfocusData, **kwargs):
+        super().__init__(**kwargs)
+
+        self.profiler = profiler
+        self.focusdata = focusdata
+
+        # communityid -> listening websockets
+        self.communities = defaultdict(set)
+
+    async def on_connection(self, websocket, event):
+        if not (cidstr := event.get("community")):
+            raise ValueError("Hyperfocus browser missing communityid")
+        elif not cidstr.isdigit():
+            raise ValueError("Community id provided is not an integer")
+        cid = int(cidstr)
+        community = await self.profiler.get_community(cid)
+        if community is None:
+            raise ValueError("Unknown community provided")
+
+        await super().on_connection(websocket, event)
+        self.communities[cid].add(websocket)
+
+        focus_rows = await Hyperfocuser.fetch_where(started_in=cid)
+        await self.send_hyperfocus_put(cid, focus_rows)
+
+    async def del_connection(self, websocket):
+        for wss in self.communities.values():
+            wss.discard(websocket)
+        await super().del_connection(websocket)
+
+    async def send_hyperfocus_patch(
+        self, communityid: int, focuser: Hyperfocuser, websocket=None
+    ):
+        for ws in (websocket,) if websocket else self.communities[communityid]:
+            await self.send_event(
+                {
+                    "type": "DO",
+                    "method": "patchFocus",
+                    "args": await prepare_hyperfocuser(self.profiler, focuser),
+                },
+                websocket=ws,
+            )
+
+    async def send_hyperfocus_del(self, profileid: int, websocket=None):
+        await self.send_event(
+            {
+                "type": "DO",
+                "method": "delFocus",
+                "args": {"userid": str(profileid)},
+            },
+            websocket=websocket,
+        )
+
+    async def send_hyperfocus_put(
+        self, communityid: int, focusers: list[Hyperfocuser], websocket=None
+    ):
+        payload = []
+        for focuser in focusers:
+            fpl = await prepare_hyperfocuser(self.profiler, focuser)
+            payload.append(fpl)
+
+        for ws in (websocket,) if websocket else self.communities[communityid]:
+            await self.send_event(
+                {"type": "DO", "method": "putFocus", "args": payload},
+                websocket=ws,
+            )
+
+    async def send_event(self, event, **kwargs):
+        logger.info(f"Sending websocket event: {json.dumps(event, indent=1)}")
+        await super().send_event(event, **kwargs)

hyperfocus/twitch/component.py

@@ -1,3 +1,4 @@
+import asyncio
 from string import punctuation
 import datetime as dt
 from datetime import datetime, timedelta
@@ -11,11 +12,13 @@ from twitchio.ext import commands as cmds
 from botdata import UserAuth
 from meta import Bot
 from meta.logger import log_wrap
+from meta.sockets import register_channel
 from utils.lib import parse_dur, strfdelta, utc_now
 
 from . import logger
 
 from ..data import HyperfocusData, Hyperfocuser
+from ..channel import FocusChannel
 
 
 # Default requested scopes for joining a channel
@@ -33,8 +36,12 @@ class FocusComponent(cmds.Component):
     def __init__(self, bot: Bot):
         self.bot = bot
         self.data = bot.dbconn.load_registry(HyperfocusData())
+        self.channel = FocusChannel(self.bot.profiles.profiles, self.data)
+
+        register_channel(self.channel.name, self.channel)
 
         self._last_deleted: dict[int, datetime] = {}
+        self.hyperfocus_lock = asyncio.Lock()
 
     # ----- API -----
     async def component_load(self):
@@ -65,7 +72,7 @@ class FocusComponent(cmds.Component):
 
         This amounts to whether it starts with a punctuation symbol, or it is only emotes and mentions.
         """
-        allowed = message.text.startswith(tuple(punctuation))
+        allowed = message.text.startswith(tuple("!*#%|?><."))
 
         if not allowed:
             allowed = True
@@ -83,6 +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)
@@ -96,22 +107,41 @@ class FocusComponent(cmds.Component):
             )
             try:
                 await self.focus_delete_message(payload)
-                if notify:
-                    await payload.broadcaster.send_message(
-                        f"@{payload.chatter.name} Stay focused! "
-                        "(You are in !hyperfocus, use !unfocus to come back if you need to!)",
-                        sender=self.bot.bot_id,
-                    )
+                deleted = True
             except Exception:
                 logger.warning(
                     f"Failed to delete a hyperfocus message: {payload!r}", exc_info=True
                 )
-                if notify:
-                    await payload.broadcaster.send_message(
-                        f"@{payload.chatter.name} Stay focused! ",
-                        sender=self.bot.bot_id,
+                deleted = False
+
+            if notify:
+                self._last_deleted[profile.profileid] = utc_now()
+                try:
+                    if deleted:
+                        await payload.broadcaster.send_message(
+                            f"@{payload.chatter.name} Stay focused! "
+                            "(You are in !hyperfocus, use !unfocus to come back if you need to!)",
+                            sender=self.bot.bot_id,
+                        )
+                    else:
+                        await payload.broadcaster.send_message(
+                            f"@{payload.chatter.name} Stay focused! ",
+                            sender=self.bot.bot_id,
+                        )
+                except twitchio.exceptions.HTTPException:
+                    logger.warning(
+                        f"Failed to notify user of hyperfocus deletion: {payload!r}",
+                        exc_info=True,
                     )
-            self._last_deleted[profile.profileid] = utc_now()
+
+        if hyperfocused:
+            # Send an update to the channel
+            # TODO: Nicer and more efficient caching of which channel has which users
+            # TODO: Possible race condition with the commands. Should use locks.
+            comm = await self.bot.profiles.fetch_community(
+                payload.broadcaster, touch=True
+            )
+            await self.channel.send_hyperfocus_patch(comm.communityid, hyperfocused)
 
     # ------ Commands -----
     @cmds.command(
@@ -149,33 +179,37 @@ class FocusComponent(cmds.Component):
         pid = profile.profileid
         comm = await self.bot.profiles.fetch_community(ctx.broadcaster, touch=True)
 
-        await Hyperfocuser.table.delete_where(profileid=pid)
-        await Hyperfocuser.create(
-            profileid=pid,
-            started_at=now,
-            ends_at=end_at,
-            started_in=comm.communityid,
-        )
+        async with self.hyperfocus_lock:
+            await Hyperfocuser.table.delete_where(profileid=pid)
+            focuser = await Hyperfocuser.create(
+                profileid=pid,
+                started_at=now,
+                ends_at=end_at,
+                started_in=comm.communityid,
+            )
 
-        # TODO: Update channel
-        minutes = ceil(dur / 60)
-        await ctx.reply(
-            f"{ctx.chatter.name} has gone into HYPERFOCUS! "
-            f"They will be in emote and command only mode for the next {minutes} minutes! "
-            "Use !unfocus to come back if you need to, best of luck! ☘️🍀☘️ "
-        )
+            await self.channel.send_hyperfocus_patch(comm.communityid, focuser)
+
+            minutes = ceil(dur / 60)
+            await ctx.reply(
+                f"{ctx.chatter.name} has gone into HYPERFOCUS! "
+                f"They will be in emote and command only mode for the next {minutes} minutes! "
+                "Use !unfocus to come back if you need to, best of luck! ☘️🍀☘️ "
+            )
 
     @cmds.command(name="unfocus")
     async def unfocus_cmd(self, ctx):
         profile = await self.bot.profiles.fetch_profile(ctx.chatter, touch=True)
-        row = await Hyperfocuser.fetch(profile.profileid)
-        if row:
-            await row.delete()
+        async with self.hyperfocus_lock:
+            row = await Hyperfocuser.fetch(profile.profileid)
+            if row:
+                await row.delete()
+                await self.channel.send_hyperfocus_del(profile.profileid)
 
-        await ctx.reply(
-            "Welcome back from focus, hope it went well!"
-            " Remember to have a sip and stretch if you need it~"
-        )
+            await ctx.reply(
+                "Welcome back from focus, hope it went well!"
+                " Remember to have a sip and stretch if you need it~"
+            )
 
     @cmds.command(name="hyperfocused")
     async def hyperfocused_cmd(self, ctx, user: twitchio.User | None = None):
@@ -183,16 +217,32 @@ class FocusComponent(cmds.Component):
 
         profile = await self.bot.profiles.fetch_profile(user, touch=False)
 
-        if hyper := (await self.get_hyperfocus(profile.profileid)):
-            durstr = strfdelta(hyper.ends_at - utc_now())
-            await ctx.reply(
-                f"{user.name} is in HYPERFOCUS for another {durstr}! "
-                "They can only write emojis and commands in this time. Good luck!"
-            )
-        elif own:
-            await ctx.reply(
-                "You are not hyperfocused!"
-                " Enter HYPERFOCUS mode for e.g. 10 minutes with '!hyperfocus 10'"
-            )
-        else:
-            await ctx.reply(f"{user.name} is not hyperfocused!")
+        async with self.hyperfocus_lock:
+            if hyper := (await self.get_hyperfocus(profile.profileid)):
+                durstr = strfdelta(hyper.ends_at - utc_now())
+                await ctx.reply(
+                    f"{user.name} is in HYPERFOCUS for another {durstr}! "
+                    "They can only write emojis and commands in this time. Good luck!"
+                )
+            elif own:
+                await ctx.reply(
+                    "You are not hyperfocused!"
+                    " Enter HYPERFOCUS mode for e.g. 10 minutes with '!hyperfocus 10'"
+                )
+            else:
+                await ctx.reply(f"{user.name} is not hyperfocused!")
+
+    @cmds.command(name="addfocus")
+    async def addfocus_cmd(self, ctx):
+        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.communityid}"
+        )
+        await ctx.reply(f"Browser source link for your channel's hyperfocus: {link}")