handle message/channel deletion

database.js

@@ -11,10 +11,13 @@ const sequelize = new Sequelize({
 	dialect: 'sqlite',
 	logging: false
 });
+
 const RoleEmojiPair = defineRoleEmojiPair(sequelize);
+
 const VoiceChannel = defineVoiceChannel(sequelize);
+
 const Message = defineMessage(sequelize);
+Message.hasMany(RoleEmojiPair, { foreignKey: 'message', onDelete: 'CASCADE' });
 
 sequelize.sync();
-
 export { sequelize, RoleEmojiPair, VoiceChannel, Message };

events/channels/channelDelete.js

@@ -0,0 +1,14 @@
+import { Events } from 'discord.js';
+import { VoiceChannel } from '../../database.js';
+
+export const name = Events.ChannelDelete;
+export async function execute(channel) {
+	// Delete channel entry once channel is deleted itself
+	const count = await VoiceChannel.destroy({
+		where: {
+			id: channel.id
+		}
+	});
+	if (count > 0)
+		console.info(`[INFO] Custom VC with ID '${channel.id}' was deleted.`);
+}

events/messages/messageDelete.js

@@ -0,0 +1,14 @@
+import { Events } from 'discord.js';
+import { Message } from '../../database.js';
+
+export const name = Events.MessageDelete;
+export async function execute(message) {
+	// Delete message entry once message is deleted itself
+	const count = await Message.destroy({
+		where: {
+			id: message.id
+		}
+	});
+	if (count > 0)
+		console.info(`[INFO] Reaction Roles Message with ID '${message.id}' was deleted.`);
+}