111 lines
3.2 KiB
JavaScript
111 lines
3.2 KiB
JavaScript
//node imports
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const FileSystem = require("fs"); //checking if files exist
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//external lib imports
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const Discord = require("discord.js"); //discord interaction
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const JsonFile = require("jsonfile"); //saving to/reading from json
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//component imports
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const DiscordUtil = require("./util.js"); //some helper methods
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const MessageHandler = require("./message-handler.js"); //message handling
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const Config = require("./internal-config.json"); //some configuration values
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class CoreClient {
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/**
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* @param {string} token
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* @param {string} dataFile
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* @param {object} guildDataModel
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* @param {object[]} commands
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*/
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constructor(token, dataFile, commands, implementations, guildDataModel) {
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this.actual = new Discord.Client();
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this.token = token;
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this.dataFile = dataFile;
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this.commands = commands;
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this.implementations = implementations;
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this.guildDataModel = guildDataModel;
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this.guildsData = FileSystem.existsSync(this.dataFile) ?
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fromJSON(JsonFile.readFileSync(this.dataFile), this.guildDataModel) : {};
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process.on("uncaughtException", err => onUncaughtException(this, err));
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}
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writeFile() {
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JsonFile.writeFile(
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this.dataFile,
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this.guildsData,
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err => {
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if (err) DiscordUtil.dateError("Error writing file", err);
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});
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}
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bootstrap() {
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this.actual.on("ready", () => onReady(this));
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this.actual.on("disconnect", eventData => DiscordUtil.dateError("Disconnect!", eventData.code, eventData.reason));
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this.actual.on("message", message => {
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if (message.author.id === this.actual.user.id)
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return;
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if (message.channel.type === "dm")
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MessageHandler.handleDirectMessage(this, message);
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else if (message.channel.type === "text" && message.member)
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MessageHandler.handleTextMessage(this, message, this.guildsData)
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.then(msg => {
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if (msg) message.reply(msg);
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})
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.catch(err => {
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if (err) {
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message.reply(err);
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DiscordUtil.dateError(`Command error in guild ${message.guild.name}\n`, err.message || err);
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}
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})
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.then(() => this.writeFile());
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});
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this.actual.login(this.token);
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}
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}
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/**
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* @param {*} coreClient
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*/
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function onReady(coreClient) {
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coreClient.actual.user.setGame("benji7425.github.io");
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DiscordUtil.dateLog("Registered bot " + coreClient.actual.user.username);
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setInterval(() => coreClient.writeFile(), Config.saveIntervalSec * 1000);
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if (coreClient.implementations.onReady)
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coreClient.implementations.onReady(coreClient)
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.then(() => coreClient.writeFile())
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.catch(err => DiscordUtil.dateError(err));
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}
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/**
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* @param {*} coreClient
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* @param {*} err
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*/
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function onUncaughtException(coreClient, err) {
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DiscordUtil.dateError(err.message || err);
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DiscordUtil.dateLog("Destroying existing client...");
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coreClient.actual.destroy().then(() => {
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DiscordUtil.dateLog("Client destroyed, recreating...");
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coreClient.actual = new Discord.Client();
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coreClient.bootstrap();
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});
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}
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/**
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* Convert json from file to a usable format
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* @param {object} json json from file
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* @param {*} guildDataModel
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*/
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function fromJSON(json, guildDataModel) {
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const guildsData = Object.keys(json);
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guildsData.forEach(guildID => { json[guildID] = new guildDataModel(json[guildID]); });
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return json;
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}
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module.exports = CoreClient; |