forked from Galactic/galactic-bot
108 lines
2.8 KiB
JavaScript
108 lines
2.8 KiB
JavaScript
const { stripIndents } = require('common-tags');
|
|
const { escapeRegex } = require('escape-string-regexp');
|
|
|
|
const { Observer } = require('../../interfaces');
|
|
|
|
class CommandHandler extends Observer {
|
|
|
|
constructor(manager) {
|
|
|
|
super(manager, {
|
|
name: 'commandHandler',
|
|
priority: 5,
|
|
guarded: true
|
|
});
|
|
|
|
this.manager = manager;
|
|
|
|
this.hooks = [
|
|
['message', this.handleMessage.bind(this)]
|
|
];
|
|
|
|
this.commandPatterns = new Map();
|
|
|
|
|
|
}
|
|
|
|
async handleMessage(message) {
|
|
|
|
const client = message.client;
|
|
|
|
if(!this.manager._built
|
|
|| !client._built
|
|
|| message.webhookID
|
|
|| message.author.bot
|
|
|| (message.guild && !message.guild.available)) return undefined;
|
|
|
|
if(message.guild && !message.member) {
|
|
await message.guild.members.fetch(message.author.id);
|
|
}
|
|
|
|
const content = message.cleanContent;
|
|
const args = content.split(' ');
|
|
const command = await this._getCommand(message, args);
|
|
if(!command) return undefined;
|
|
|
|
return await this.handleCommand(message, command, args);
|
|
|
|
}
|
|
|
|
async handleCommand(message, command, args) {
|
|
|
|
}
|
|
|
|
async _getCommand(message, args = []) {
|
|
|
|
const pattern = await this._getCommandPattern(message.guild);
|
|
|
|
let command = await this._matchCommand(message, args, pattern, 2);
|
|
if(!command && !message.guild) command = await this._matchCommand(message, args, /^([^\s]+)/i);
|
|
|
|
return command || null;
|
|
|
|
}
|
|
|
|
async _getCommandPattern(guild) {
|
|
|
|
const createCommandPattern = (guild = null) => {
|
|
|
|
const prefix = this.client._options.discord.prefix;
|
|
|
|
const escapedPrefix = escapeRegex(prefix);
|
|
const pattern = new RegExp(`^(${escapedPrefix}\\s*|<@!?${this.client.user.id}>\\s+(?:${escapedPrefix})?)([^\\s]+)`, 'i');
|
|
|
|
const obj = { pattern, prefix };
|
|
if(guild) {
|
|
this.client.logger.debug(`Created command pattern ${guild.name}: ${pattern}`);
|
|
this.commandPatterns.set(guild.id, obj);
|
|
}
|
|
|
|
return obj;
|
|
};
|
|
|
|
if(!guild) return createCommandPattern().pattern;
|
|
let commandPattern = this.commandPatterns.get(guild.id);
|
|
|
|
return commandPattern.pattern;
|
|
|
|
}
|
|
|
|
async _matchCommand(message, args, pattern, index = 1) {
|
|
|
|
const matches = pattern.exec(message.cleanContent);
|
|
if(!matches) return null;
|
|
|
|
const command = message.client.resolver.components(matches[index], 'command', true)[0];
|
|
if(!command) return null;
|
|
|
|
const indice = message.content.startsWith('<@') ? 2 : 1;
|
|
args.splice(0, indice);
|
|
|
|
return command;
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
module.exports = CommandHandler; |