Add loop for changing presence.

cogs/loops/__init__.py

@@ -4,7 +4,8 @@ Initializing code for all loops.
 
 from nextcord.ext import commands
 
-from .daily_loop import DailyLoop
+from cogs.loops.bot_presence import BotPresence
+from cogs.loops.daily_loop import DailyLoop
 
 
 def setup(bot: commands.Bot):
@@ -12,4 +13,5 @@ def setup(bot: commands.Bot):
     Adds functions to bot.
     """
 
+    bot.add_cog(BotPresence(bot))
     bot.add_cog(DailyLoop(bot))

cogs/loops/bot_presence.py

@@ -0,0 +1,48 @@
+"""
+Functions for controlling the bot's presence. Also contains the loop.
+"""
+
+import nextcord
+from nextcord.ext import commands, tasks
+from sqlalchemy import func, select
+from sqlalchemy.orm import Session
+
+from database_setup.sql_data_classes import Presences, engine
+
+
+class BotPresence(commands.Cog, name="Bot Presence"):
+    """Class for bot presence functions."""
+
+    def __init__(self, bot: commands.Bot):
+        self.bot = bot
+
+    @commands.Cog.listener()
+    async def on_guild_join(
+        self, guild: nextcord.Guild
+    ):  # pylint: disable=unused-argument
+        """Listener for Guild Join. Updated presence on guild join."""
+        await self.change_presence()
+
+    @commands.Cog.listener()
+    async def on_ready(self):
+        """Starts the loop when bot is ready."""
+        await self.bot.wait_until_ready()
+        # pylint doesn't recognize that periodic_change_presense is subclassed from tasks.loop.
+        self.periodic_change_presence.start()  # pylint: disable=no-member
+
+    @tasks.loop(minutes=5)
+    async def periodic_change_presence(self):
+        """Loops every 5 minutes and changes presence."""
+        await self.change_presence()
+
+    async def change_presence(self):
+        """Randomly chooses a presence and updates bot's presence."""
+
+        with Session(engine) as session:
+            presence = session.scalar(
+                select(Presences.Presence).order_by(func.random())
+            )
+
+        await self.bot.change_presence(
+            activity=nextcord.CustomActivity(name="Custom Status", state=presence)
+        )