fix db connection timeout

src/bot.ts

@@ -117,7 +117,7 @@ export class Bot {
 		this.connection.query('CREATE TABLE if NOT EXISTS facts (id INT UNSIGNED NOT NULL PRIMARY KEY AUTO_INCREMENT, content TEXT NOT NULL, active TINYINT(1) NOT NULL DEFAULT 1)');
 
 		if (closeConnection) {
-			this.connection.end();
+			this.endConection();
 		}
 	}
 
@@ -126,6 +126,12 @@ export class Bot {
 		return this.connection;
 	}
 
+	public endConection() {
+		this.connection.end(function (err) {
+			console.log(err);
+		});
+	}
+
 	public static getInstance(): Bot {
 		if (!Bot.instance) {
 			Bot.instance = new Bot();
@@ -136,7 +142,7 @@ export class Bot {
 
 	public async sendEmbed(msg: Message<boolean> | ChatInputCommandInteraction) {
 		const [results] = await this.getConnection().promise().execute('SELECT * FROM facts;');
-		this.connection.end();
+		this.endConection();
 
 		let fields = [];
 		let embeds = [];

src/commands/addFact.ts

@@ -30,7 +30,7 @@ export default {
 			'INSERT INTO facts SET content = ?, active = ?;',
 			[interaction.options.data.at(0).value, interaction.options.data.at(1)?.value ?? true]
 		);
-		bot.getConnection().end();
+		bot.endConection();
 		console.log('Fact has been saved!');
 
 		return await interaction.reply({

src/commands/enableFact.ts

@@ -24,7 +24,7 @@ export default {
 			'UPDATE facts SET active = 1 WHERE id = ?;',
 			[interaction.options.data.at(0).value]
 		);
-		bot.getConnection().end();
+		bot.endConection();
 		console.log('Fact has been enabled!');
 
 		return await interaction.reply({

src/commands/fact.ts

@@ -12,7 +12,7 @@ export default {
 		const bot = Bot.getInstance();
 		const [results] = await bot.getConnection().promise().query('SELECT * FROM facts WHERE active = 1 ORDER BY RAND() LIMIT 1;');
 		let fact = results[0];
-		bot.getConnection().end();
+		bot.endConection();
 		console.log('Sent beaver fact with id: ' + fact.id);
 
 		return await interaction.reply({

src/commands/removeFact.ts

@@ -41,7 +41,7 @@ export default {
 
 			console.log('Fact has been disabled!');
 		}
-		bot.getConnection().end();
+		bot.endConection();
 
 		return await interaction.reply({
 			content: 'Done!',