91 lines
4.1 KiB
JavaScript
91 lines
4.1 KiB
JavaScript
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const logger = require("../modules/Logger.js");
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const { getSettings, permlevel } = require("../modules/functions.js");
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const config = require("../config.js");
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// The MESSAGE event runs anytime a message is received
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// Note that due to the binding of client to every event, every event
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// goes `client, other, args` when this function is run.
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module.exports = async (client, message) => {
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// Grab the container from the client to reduce line length.
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const { container } = client;
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// It's good practice to ignore other bots. This also makes your bot ignore itself
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// and not get into a spam loop (we call that "botception").
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if (message.author.bot) return;
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// Grab the settings for this server from Enmap.
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// If there is no guild, get default conf (DMs)
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const settings = message.settings = getSettings(message.guild);
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// Checks if the bot was mentioned via regex, with no message after it,
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// returns the prefix. The reason why we used regex here instead of
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// message.mentions is because of the mention prefix later on in the
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// code, would render it useless.
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const prefixMention = new RegExp(`^<@!?${client.user.id}> ?$`);
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if (message.content.match(prefixMention)) {
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return message.reply(`My prefix on this guild is \`${settings.prefix}\``);
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}
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// It's also good practice to ignore any and all messages that do not start
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// with our prefix, or a bot mention.
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const prefix = new RegExp(`^<@!?${client.user.id}> |^\\${settings.prefix}`).exec(message.content);
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// This will return and stop the code from continuing if it's missing
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// our prefix (be it mention or from the settings).
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if (!prefix) return;
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// Here we separate our "command" name, and our "arguments" for the command.
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// e.g. if we have the message "+say Is this the real life?" , we'll get the following:
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// command = say
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// args = ["Is", "this", "the", "real", "life?"]
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const args = message.content.slice(prefix[0].length).trim().split(/ +/g);
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const command = args.shift().toLowerCase();
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// If the member on a guild is invisible or not cached, fetch them.
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if (message.guild && !message.member) await message.guild.members.fetch(message.author);
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// Get the user or member's permission level from the elevation
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const level = permlevel(message);
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// Check whether the command, or alias, exist in the collections defined
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// in app.js.
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const cmd = container.commands.get(command) || container.commands.get(container.aliases.get(command));
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// using this const varName = thing OR otherThing; is a pretty efficient
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// and clean way to grab one of 2 values!
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if (!cmd) return;
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// Some commands may not be useable in DMs. This check prevents those commands from running
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// and return a friendly error message.
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if (cmd && !message.guild && cmd.conf.guildOnly)
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return message.channel.send("This command is unavailable via private message. Please run this command in a guild.");
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if (!cmd.conf.enabled) return;
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if (level < container.levelCache[cmd.conf.permLevel]) {
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if (settings.systemNotice === "true") {
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return message.channel.send(`You do not have permission to use this command.
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Your permission level is ${level} (${config.permLevels.find(l => l.level === level).name})
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This command requires level ${container.levelCache[cmd.conf.permLevel]} (${cmd.conf.permLevel})`);
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} else {
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return;
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}
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}
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// To simplify message arguments, the author's level is now put on level (not member so it is supported in DMs)
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// The "level" command module argument will be deprecated in the future.
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message.author.permLevel = level;
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message.flags = [];
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while (args[0] && args[0][0] === "-") {
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message.flags.push(args.shift().slice(1));
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}
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// If the command exists, **AND** the user has permission, run it.
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try {
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await cmd.run(client, message, args, level);
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logger.log(`${config.permLevels.find(l => l.level === level).name} ${message.author.id} ran command ${cmd.help.name}`, "cmd");
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} catch (e) {
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console.error(e);
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message.channel.send({ content: `There was a problem with your request.\n\`\`\`${e.message}\`\`\`` })
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.catch(e => console.error("An error occurred replying on an error", e));
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}
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};
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