| 18 | * @returns A promise that resolves with the client when ready, or rejects on error. |
| 19 | */ |
| 20 | export function startDiscordBot(): Promise<Client> { |
| 21 | return new Promise((resolve, reject) => { |
| 22 | const client = new Client({ |
| 23 | intents: [ |
| 24 | GatewayIntentBits.Guilds, |
| 25 | GatewayIntentBits.GuildMembers, |
| 26 | GatewayIntentBits.GuildMessages, |
| 27 | GatewayIntentBits.MessageContent, |
| 28 | ], |
| 29 | }) |
| 30 | |
| 31 | let isResolved = false |
| 32 | |
| 33 | client.once(Events.ClientReady, (c) => { |
| 34 | logger.info(`Discord bot ready! Logged in as ${c.user.tag}`) |
| 35 | isResolved = true |
| 36 | resolve(client) |
| 37 | }) |
| 38 | |
| 39 | client.once('error', (error) => { |
| 40 | if (!isResolved) { |
| 41 | reject(error) |
| 42 | } |
| 43 | }) |
| 44 | |
| 45 | // Listen for messages in the welcome channel |
| 46 | client.on(Events.MessageCreate, async (message) => { |
| 47 | if (message.channelId !== WELCOME_CHANNEL_ID) return |
| 48 | |
| 49 | // Check if this is a system message about a new member (7 is GuildMemberJoin) |
| 50 | if (message.system && message.type === 7) { |
| 51 | try { |
| 52 | await message.reply({ |
| 53 | content: `Hey there! Enter \`/link\` to connect your Discord account with Codebuff (don't worry, only you can see it).`, |
| 54 | }) |
| 55 | } catch (error) { |
| 56 | logger.error({ error }, 'Failed to send welcome message') |
| 57 | } |
| 58 | } |
| 59 | }) |
| 60 | |
| 61 | // Handle slash commands |
| 62 | client.on(Events.InteractionCreate, async (interaction: Interaction) => { |
| 63 | if (!interaction.isChatInputCommand()) return |
| 64 | |
| 65 | const command = interaction as ChatInputCommandInteraction |
| 66 | |
| 67 | // Check rate limit before processing command |
| 68 | if (isRateLimited(command.user.id)) { |
| 69 | await command.reply({ |
| 70 | content: |
| 71 | 'You are sending commands too quickly. Please wait a minute and try again.', |
| 72 | ephemeral: true, |
| 73 | }) |
| 74 | return |
| 75 | } |
| 76 | |
| 77 | if (command.commandName === 'link') { |