1 files changed, 78 insertions, 0 deletions
diff --git a/bot/exts/recruitment/helper_utils.py b/bot/exts/recruitment/helper_utils.py
new file mode 100644
index 000000000..9c059e2b3
--- /dev/null
+++ b/bot/exts/recruitment/helper_utils.py
@@ -0,0 +1,78 @@
+import datetime as dt
+import random
+
+from async_rediscache import RedisCache
+from discord import Message
+from discord.ext.commands import Cog
+
+from bot.bot import Bot
+from bot.constants import Channels, Roles
+from bot.log import get_logger
+
+OT_CHANNEL_IDS = (Channels.off_topic_0, Channels.off_topic_1, Channels.off_topic_2)
+NEW_HELPER_ROLE_ID = Roles.new_helpers
+
+log = get_logger(__name__)
+
+
+class NewHelperUtils(Cog):
+    """Manages functionality for new helpers in April 2023."""
+
+    # RedisCache[discord.Channel.id, UtcPosixTimestamp]
+    cooldown_cache = RedisCache()
+
+    COOLDOWN_DURATION = dt.timedelta(minutes=10)
+    MESSAGES = [
+        f"<@&{NEW_HELPER_ROLE_ID}> can someone please answer this??",
+        f"Someone answer this <@&{NEW_HELPER_ROLE_ID}> if you want to keep your role",
+        f"Where are my <@&{NEW_HELPER_ROLE_ID}> at?",
+        f"<@&{NEW_HELPER_ROLE_ID}>, Help!",
+        f"What's the point of having all these new <@&{NEW_HELPER_ROLE_ID}> if questions are going unanswered?",
+    ]
+
+    def __init__(self, bot: Bot):
+        self.bot = bot
+
+    @staticmethod
+    def _is_question(message: str) -> bool:
+        """Return True if `message` appears to be a question, else False!"""
+        return (
+            ('?' in message)
+            and any(map(
+                message.lower().startswith,
+                (
+                    'is', 'are', 'am',
+                    'was', 'were',
+                    'will',
+                    'can', 'does', 'do', 'did'
+                    'who', 'what', 'when', 'where', 'why'
+                )
+            ))
+        )
+
+    @Cog.listener()
+    async def on_message(self, message: Message) -> None:
+        """
+        This is an event listener.
+
+        Ping helpers in off-topic channels whenever someone asks a question, at most
+        as often `COOLDOWN_DURATION`.
+        """
+        if message.author.bot or message.channel.id not in OT_CHANNEL_IDS:
+            return
+
+        last_activation_time = dt.datetime.fromtimestamp(
+            await self.cooldown_cache.get(message.channel.id, 0)
+        )
+
+        if dt.datetime.now() - last_activation_time < self.COOLDOWN_DURATION:
+            return
+
+        if self._is_question(message.content):
+            await message.reply(random.choice(self.MESSAGES))
+            await self.cooldown_cache.set(message.channel.id, dt.datetime.now().timestamp())
+
+
+async def setup(bot: Bot) -> None:
+    """Load the OffTopicNames cog."""
+    await bot.add_cog(NewHelperUtils(bot))