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botEngine.js
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botEngine.js
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const { ChannelType } = require('discord-api-types/v10');
const adminRoles = require('./constants/admin-roles.const.js');
const BookmarkMessageService = require('./services/bookmark-message.service.js');
const GettingHiredMessageService = require('./services/getting-hired-message.service');
const newEraCommands = require('./new-era-commands');
const botCommands = [];
let authorBuffer = [];
let creationsMessage = null;
let currentIntroductionsMessage = null;
const introductionsWelcomeMessage = 'Welcome to The Odin Project! Take a moment to survey all of the channels on the sidebar, especially the <#823266307293839401> channel for answers to commonly asked questions. We\'re excited for you to join us on your programming journey. Happy learning!';
function createAuthorEntry(message) {
const entry = {
author: message.author.id,
timeOut: false,
};
setTimeout(() => {
entry.timeOut = true;
}, 60000);
return entry;
}
function flushAuthorEntries() {
authorBuffer = authorBuffer.filter((entry) => entry.timeOut === false);
}
function registerBotCommand(regex, fn) {
botCommands.push({ regex, fn });
}
async function listenToMessages(client) {
const gettingHiredMessageService = new GettingHiredMessageService();
client.on('messageCreate', async (message) => {
// Prevent bot from responding to its own messages
if (message.author === client.user) {
return;
}
/**
* Some bot behavior (such as responding to #introductions messages) executes
* based on the admin (core, maintainer) status of the member in the Discord.
* Sets the flag for later use.
*/
let isAdminMessage = false;
try {
isAdminMessage = message.member.roles.cache.some((r) => adminRoles.includes(r.name));
} catch (e) {
// The only 'con' is a command or message gets ignored.
}
const NOBOT_ROLE_ID = '783764176178774036';
let isMessageAuthorNobot = false;
try {
isMessageAuthorNobot = message.member.roles.cache.has(NOBOT_ROLE_ID);
} catch (err) {
// message.member can be null
}
// can't bot if user is NOBOT
if (isMessageAuthorNobot) {
return;
}
if (message.channel.id === '627445384297316352') { // creations-showcase
if (creationsMessage) {
creationsMessage.delete();
}
creationsMessage = await message.channel.send('Reminder: This channel is for posting links to your creations only. You can discuss the projects posted here in the sibling channel <#634025871614803968>. Please do not post your projects in <#634025871614803968>.\n \nReact to a project you\'ve reviewed with :white_check_mark:. Try to review projects that haven\'t been reviewed yet!');
return;
}
const authorEntryCount = authorBuffer.reduce((count, current) => {
if (current.author === message.author.id) {
return count + 1;
}
return count;
}, 0);
flushAuthorEntries();
if (authorEntryCount > 10) {
console.log('DENIED');
return;
}
botCommands.forEach(async ({ regex, fn }) => {
if (process.argv.includes('dev') && message.channel.type !== 'dm') {
return;
}
if (message.content.toLowerCase().match(regex)) {
authorBuffer.push(createAuthorEntry(message));
try {
const response = await fn(message);
if (response) {
try {
if (Array.isArray(response)) {
response.forEach((element) => {
if (element !== undefined) {
message.channel.send(element);
}
});
} else {
message.channel.send(response);
}
} catch (e) {
console.log(e);
}
}
} catch (e) {
console.log(e);
}
}
});
if (message.channel.id === process.env.DISCORD_GETTING_HIRED_CHANNEL_ID) {
await gettingHiredMessageService.handleMessage(message, isAdminMessage);
return;
}
if (message.channel.id === '690618925494566912') { // introductions
if (!isAdminMessage) {
if (
currentIntroductionsMessage
&& currentIntroductionsMessage.content === introductionsWelcomeMessage
) {
currentIntroductionsMessage.delete();
}
currentIntroductionsMessage = await message.channel.send(introductionsWelcomeMessage);
}
}
});
}
async function listenToReactions(client) {
client.on('messageReactionAdd', async (reaction, user) => {
// When a reaction is received, check if the structure is partial
if (reaction.partial) {
// If the message this reaction belongs to was removed,
// the fetching might result in an API error which should be handled
try {
await reaction.fetch();
} catch (error) {
console.error('Something went wrong when fetching the message:', error);
// Return as `reaction.message.author` may be undefined/null
return;
}
}
// handle DM message reactions
if (reaction.message.channel.type === ChannelType.DM) {
// ignore Odin bot's reactions
if (user.id === client.user.id) return;
// ignore non Odin bot messages
if (reaction.message.author.id !== client.user.id) return;
// delete message
if (reaction.emoji.name === '❌') {
reaction.message.delete();
}
return;
}
const NOBOT_ROLE_ID = '783764176178774036';
// since user argument doesn't have guild roles,
// we need to get user from guild to check their roles
const reactionUserAsGuildMember = reaction.message.guild.members.cache.get(user.id);
const isReactionUserNobot = reactionUserAsGuildMember.roles.cache.has(NOBOT_ROLE_ID);
if (isReactionUserNobot) {
return;
}
if (reaction.emoji.name === '🔖') {
await BookmarkMessageService.sendBookmarkedMessage(reaction.message, user);
}
});
}
async function listenToInteractions(client) {
client.on('interactionCreate', async (interaction) => {
if (!interaction.isCommand()) return;
const command = newEraCommands.get(interaction.commandName);
if (!command) return;
try {
await command.execute(interaction);
} catch (error) {
console.error(error);
await interaction.reply(
{ content: 'There was an error while executing this command!', ephemeral: true },
);
}
});
}
module.exports = {
listenToMessages, listenToReactions, listenToInteractions, registerBotCommand,
};