functions.js

@@ -662,6 +662,15 @@ const functions = {
 
 		return newText + ' <:spongebob:1053398825965985822>';
 	},
+	setNick(user, nickname) {
+		return new Promise((resolve, reject) => {
+			user.setNickname(nickname).then(() => {
+				resolve('Nickname set.');
+			}).catch(err => {
+				reject(err);
+			});
+		});
+	},
 	autoresponses: { // Specific responses for certain keywords in sent messages
 		checkForAll(messageContent) {
 			let responses = [];

slash-commands/setnick.js

@@ -0,0 +1,36 @@
+const { SlashCommandBuilder } = require('@discordjs/builders');
+const fn = require('../functions.js');
+
+module.exports = {
+	data: new SlashCommandBuilder()
+		.setName('setnick')
+		.setDescription('Set a user\'s nickname.')
+		.addUserOption(o => 
+			o.setName('user')
+			 .setDescription('The user to set the nickname for.')
+			 .setRequired(true)
+		)
+		.addStringOption(o =>
+			o.setName('nickname')
+			 .setDescription('The nickname to set.')
+			 .setRequired(true)
+		),
+	async execute(interaction) {
+		try {
+			// Defer the reply, with ephemeral set to true
+			await interaction.deferReply({ ephemeral: true });
+			// Get the user and nickname from the interaction
+			const user = interaction.options.getMember('user');
+			const nickname = interaction.options.getString('nickname');
+
+			// Set the nickname
+			await fn.setNick(user, nickname);
+
+			// Reply to the interaction
+			await interaction.editReply(`Successfully set ${user}'s nickname to ${nickname}`);
+		} catch (error) {
+			console.error(error);
+			await interaction.editReply('There was an error while executing this command!');
+		}
+	},
+};