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import {
Client,
DiscordAPIError,
Events,
GatewayIntentBits,
PermissionFlagsBits,
REST,
Routes,
} from "discord.js";
import { buttonCommands, ensureUnsolvedTag, slashCommands, getCtfForum } from "./commands.ts";
function requireEnv(key: string): string {
let value = process.env[key];
if (!value) {
throw new Error(`Missing ${key} environment variable.`);
}
return value;
}
function getInteractionErrorMessage(error: unknown): string {
let fallback = "Something went wrong! :(";
if (error instanceof DiscordAPIError) {
let rawMessage = "";
if (error.rawError &&
typeof error.rawError === "object" &&
"message" in error.rawError &&
typeof (error.rawError as { message?: unknown }).message === "string"
) {
rawMessage = error.rawError.message.trim();
} else if (error.message) {
rawMessage = error.message.trim();
}
if (rawMessage && error.code) {
return `Something went wrong: ${rawMessage} (Discord code ${error.code})`;
}
if (rawMessage) {
return `Something went wrong: ${rawMessage}`;
}
if (error.status) {
return `Something went wrong: Discord API responded with status ${error.status}`;
}
return fallback;
}
if (error instanceof Error && error.message.trim()) {
return `Something went wrong: ${error.message.trim()}`;
}
if (typeof error === "string" && error.trim()) {
return `Something went wrong: ${error.trim()}`;
}
return fallback;
}
let clientId = requireEnv("DISCORD_CLIENT_ID");
let token = requireEnv("DISCORD_TOKEN");
let activity = requireEnv("ACTIVITY");
export let celebrationMessage = requireEnv("CELEBRATION_MESSAGE");
let client = new Client({ intents: [GatewayIntentBits.Guilds, GatewayIntentBits.GuildMessages] });
let rest = new REST({ version: "10" }).setToken(token);
client.once(Events.ClientReady, (c) => {
console.log(`Logged in as ${c.user.tag}`);
});
client.on(Events.GuildAvailable, guild => {
console.log(`Available in Guild: ${guild.name}`);
let role = guild.roles.botRoleFor(guild.client.user);
if (!role) {
console.error(`Bot has no role in ${guild.name}`);
return;
}
for (let permission of [
PermissionFlagsBits.ViewChannel,
PermissionFlagsBits.ManageChannels,
PermissionFlagsBits.ManageRoles,
PermissionFlagsBits.SendMessages,
PermissionFlagsBits.SendMessagesInThreads,
PermissionFlagsBits.CreatePublicThreads,
PermissionFlagsBits.CreatePrivateThreads,
PermissionFlagsBits.ManageThreads,
]) {
if (!role.permissions.has(permission)) {
console.error(`Bot is missing permission ${permission} in ${guild.name}`);
}
}
});
client.on(Events.InteractionCreate, async (interaction) => {
try {
if (interaction.isChatInputCommand()) {
for (let command of slashCommands) {
if (interaction.commandName === command.slashCommand.name) {
await command.handler(interaction);
break;
}
}
} else if (interaction.isButton()) {
for (let button of Object.values(buttonCommands)) {
if (interaction.customId.startsWith(button.prefix)) {
let id = interaction.customId.slice(button.prefix.length);
await button.handler(interaction, id);
break;
}
}
}
} catch (error) {
if (error === "done") return;
console.error("Error while handling interaction", error);
let userMessage = getInteractionErrorMessage(error);
if (interaction.isChatInputCommand() || interaction.isButton()) {
if (interaction.deferred || interaction.replied) {
await interaction.followUp({
content: userMessage,
flags: "Ephemeral",
});
} else {
await interaction.reply({
content: userMessage,
flags: "Ephemeral",
});
}
}
}
});
client.on(Events.ThreadCreate, async (thread) => {
try {
let forum = await getCtfForum(thread);
if (thread.ownerId === client.user?.id)
return;
let tag = await ensureUnsolvedTag(forum);
if (thread.appliedTags.includes(tag.id))
return;
await thread.setAppliedTags([...thread.appliedTags, tag.id]);
} catch (error) {
if (error === "done") return;
console.error("Failed to auto-tag thread", error);
}
});
await rest.put(Routes.applicationCommands(clientId), {
body: slashCommands.map(command => command.slashCommand.toJSON()),
});
await client.login(token);
client.user?.setActivity(activity);
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