Core bot components

.env.example

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+NODE_ENV=production
+TOKEN=
+GUILD_ID=
+DB_HOST=mysql
+DB_USERNAME=minzbot
+DB_PASSWORD=
+DB_DATABASE=minzbot
+DB_ROOTPW=

.gitignore

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+
+# Created by https://www.toptal.com/developers/gitignore/api/node
+# Edit at https://www.toptal.com/developers/gitignore?templates=node
+
+### Node ###
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+.pnpm-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Snowpack dependency directory (https://snowpack.dev/)
+web_modules/
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional stylelint cache
+.stylelintcache
+
+# Microbundle cache
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variable files
+.env
+.env.development.local
+.env.test.local
+.env.production.local
+.env.local
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+.parcel-cache
+
+# Next.js build output
+.next
+out
+
+# Nuxt.js build / generate output
+.nuxt
+dist
+
+# Gatsby files
+.cache/
+# Comment in the public line in if your project uses Gatsby and not Next.js
+# https://nextjs.org/blog/next-9-1#public-directory-support
+# public
+
+# vuepress build output
+.vuepress/dist
+
+# vuepress v2.x temp and cache directory
+.temp
+
+# Docusaurus cache and generated files
+.docusaurus
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# TernJS port file
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+.vscode-test
+
+# yarn v2
+.yarn/cache
+.yarn/unplugged
+.yarn/build-state.yml
+.yarn/install-state.gz
+.pnp.*
+
+### Node Patch ###
+# Serverless Webpack directories
+.webpack/
+
+# Optional stylelint cache
+
+# SvelteKit build / generate output
+.svelte-kit
+
+# End of https://www.toptal.com/developers/gitignore/api/node

commands/ping.js

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+const { SlashCommandBuilder } = require("@discordjs/builders");
+
+module.exports = {
+    data: new SlashCommandBuilder()
+            .setName("ping")
+            .setDescription("Ping, yes"),
+    async execute(interaction) {
+        interaction.reply({
+            content: "Pong!",
+            ephemeral: true
+        });
+    }
+}

docker-compose-dev.yml

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+version: "3.7"
+
+services:
+  bot:
+    command: sh -c "npm install && npm run dev"

docker-compose.yml

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+version: "3.7"
+
+services:
+  bot:
+    image: node:16.9.0-alpine
+    command: sh -c "npm install && node ."
+    restart: unless-stopped
+    depends_on:
+      - "mysql"
+    working_dir: /app
+    volumes:
+      - ./:/app
+  mysql:
+      image: mysql:8.0
+      ports:
+        - 3306:3306
+      volumes:
+        - bandbot-db:/var/lib/mysql
+        - ./db:/tmp/db
+      environment: 
+        MYSQL_ROOT_PASSWORD: ${DB_ROOTPW}
+        MYSQL_DATABASE: ${DB_DATABASE}
+
+volumes:
+  bandbot-db:

events/interactionCreate.js

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+require("dotenv").config();
+const { REST } = require("@discordjs/rest");
+const { Routes } = require("discord-api-types/v9")
+
+module.exports = {
+    name: "interactionCreate",
+    async execute (interaction) {
+        if (!interaction.isCommand()) return;
+
+        const command = interaction.client.commands.get(interaction.commandName);
+
+        if (!command) return;
+
+        try {
+            await command.execute(interaction);
+        } catch (err) {
+            if (err) console.log(err);
+            await interaction.reply({
+                content: "An error occured processing the command",
+                ephemeral: true
+            });
+        }
+    }
+}
+

events/ready.js

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+require("dotenv").config();
+const { REST } = require("@discordjs/rest");
+const { Routes } = require("discord-api-types/v9")
+
+module.exports = {
+    name: "ready",
+    once: true,
+    async execute (client, commands) {
+        console.log("Bot started.");
+
+        const CLIENT_ID = client.user.id;
+        const rest = new REST({
+            version: 9
+        }).setToken(process.env.TOKEN);
+
+        (async () => {
+            try {
+                console.log("Registering commands...");
+                if(process.env.ENV === "production") {
+                    await rest.put(Routes.applicationCommands(CLIENT_ID), {body: commands });
+                    console.log("Global commands registered");
+                } else {
+                    await rest.put(Routes.applicationGuildCommands(CLIENT_ID, process.env.GUILD_ID), {body: commands });
+                    console.log("Local commands registered");
+                }
+            } catch (err){
+                if (err) console.log(err);
+            }
+        })();
+    
+    }
+}

index.js

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+require("dotenv").config();
+const { Console } = require("console");
+const fs = require("fs");
+const {Client, Intents, Collection} = require("discord.js");
+const dbUtil = require("./util/db")
+
+const logger = new Console({
+    stdout: process.stdout,
+    stderr: process.stderr
+});
+const client = new Client({intents: [
+    Intents.FLAGS.GUILDS,
+    Intents.FLAGS.GUILD_MESSAGES,
+    Intents.FLAGS.GUILD_MEMBERS,
+    Intents.FLAGS.GUILD_PRESENCES
+]});
+
+const commandFiles = fs.readdirSync("./commands").filter(file => file.endsWith(".js"));
+const commands = [];
+client.commands = new Collection();
+
+for (const file of commandFiles) {
+    const command = require(`./commands/${file}`);
+    commands.push(command.data.toJSON());
+    client.commands.set(command.data.name, command);
+    logger.log(`Registered command: ${command.data.name}`);
+}
+
+const eventFiles = fs.readdirSync("./events").filter(file => file.endsWith(".js"));
+for (const file of eventFiles) {
+    const event = require(`./events/${file}`);
+    
+    if (event.once) {
+        client.once(event.name, (...args) => event.execute(...args, commands));
+    } else {
+        client.on(event.name, (...args) => event.execute(...args, commands));
+    }
+    
+    logger.log(`Registered event: ${event.name}`);
+}
+
+logger.log("Connecting to database...");
+dbUtil.initDb();
+logger.log("Connected to database!");
+logger.log("Starting bot...");
+client.login(process.env.TOKEN);
+
+
+
+

package.json

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+{
+  "name": "bandbot",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "dev": "nodemon index.js"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "@discordjs/builders": "^0.12.0",
+    "@discordjs/rest": "^0.3.0",
+    "discord.js": "^13.6.0",
+    "dotenv": "^16.0.0",
+    "mysql2": "^2.3.3",
+    "nodemon": "^2.0.15"
+  }
+}

util/db.js

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+require("dotenv").config();
+const mysql = require("mysql2/promise")
+
+let _db;
+
+async function connect() {
+    const host = process.env.NODE_ENV === "production" 
+    try {
+        const connection = await mysql.createConnection({
+            "host" : process.env.DB_HOST,
+            "port" : 3306,
+            "user" : process.env.DB_USERNAME,
+            "password" : process.env.DB_PASSWORD,
+            "database" : process.env.DB_DATABASE
+        });
+        _db = connection;
+    } catch (err) {
+        console.log(err);
+    }
+}   
+
+function initDb() {
+    connect();
+}
+
+function getDb() {
+    return _db;
+}
+
+module.exports = {
+    initDb,
+    getDb
+}