Update table definition. Add on_guild_remove listener.

cogs/guild_listener/__init__.py

@@ -19,7 +19,12 @@ class GuildListener(commands.Cog, name="Guild Listener"):
 
     @commands.Cog.listener()
     async def on_guild_join(self, guild: nextcord.Guild):
-        """Listener for Guild Join. Adds guild to database."""
+        """
+        Listener for Guild Join. Adds guild to database.
+
+        Args:
+            guild (nextcord.Guild): Guild that was joined.
+        """
 
         with Session(engine) as session:
             stmt = select(Guild).where(Guild.GuildId == guild.id)
@@ -31,6 +36,7 @@ class GuildListener(commands.Cog, name="Guild Listener"):
                 session.add(new_guild)
             else:
                 guild_data.GuildName = guild.name
+                guild_data.Active = True
 
             session.commit()
 
@@ -39,6 +45,26 @@ class GuildListener(commands.Cog, name="Guild Listener"):
         imcompiling: nextcord.User = await self.bot.fetch_user(206602713511886849)
         await imcompiling.send(f'Agon has joined server "{guild.name}"!')
 
+    @commands.Cog.listener()
+    async def on_guild_remove(self, guild: nextcord.Guild):
+        """
+        Listens to when the bot has been removed from a guild. Update's the database to record the active flag as false.
+
+        Args:
+            guild (nextcord.Guild): Guild that was left.
+        """
+
+        with Session(engine) as session:
+            stmt = select(Guild).where(Guild.GuildId == guild.id)
+            guild_data = session.scalar(stmt)
+            guild_data.Active = False
+            session.commit()
+
+        # let imcompiling#2272 know about leaving a server.
+        # staying with fetch due to intents not being set up correctly. Maybe change to get eventually.
+        imcompiling: nextcord.User = await self.bot.fetch_user(206602713511886849)
+        await imcompiling.send(f'Agon has been removed from "{guild.name}".')
+
 
 # This function will be called when this extension is loaded.
 # It is necessary to add these functions to the bot.

highscores_database.sql

@@ -6,6 +6,7 @@ CREATE TABLE Guilds(
    GuildName varchar(95) not null,
    SubmissionChannel bigint unsigned,
    VerificationChannel bigint unsigned,
+   Active boolean DEFAULT true,
    PRIMARY KEY (GuildId)
 );