forked from Supositware/Haha-Yes
103 lines
4 KiB
JavaScript
103 lines
4 KiB
JavaScript
const { stripIndents, oneLine } = require('common-tags');
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const { Command, disambiguation } = require('discord.js-commando');
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module.exports = class HelpCommand extends Command {
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constructor(client) {
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super(client, {
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name: 'help',
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group: 'util',
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memberName: 'help',
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description: 'Displays a list of available commands, or detailed information for a specified command.',
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details: oneLine`
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The command may be part of a command name or a whole command name.
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If it isn't specified, all available commands will be listed.
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`,
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examples: ['help', 'help prefix'],
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guarded: true,
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args: [
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{
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key: 'command',
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prompt: 'Which command would you like to view the help for?',
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type: 'string',
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default: ''
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}
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]
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});
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}
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async run(msg, args) { // eslint-disable-line complexity
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const groups = this.client.registry.groups;
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const commands = this.client.registry.findCommands(args.command, false, msg);
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const showAll = args.command && args.command.toLowerCase() === 'all';
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if(args.command && !showAll) {
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if(commands.length === 1) {
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let help = stripIndents`
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${oneLine`
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__Command **${commands[0].name}**:__ ${commands[0].description}
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${commands[0].guildOnly ? ' (Usable only in servers)' : ''}
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${commands[0].nsfw ? ' (NSFW)' : ''}
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`}
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**Format:** ${msg.anyUsage(`${commands[0].name}${commands[0].format ? ` ${commands[0].format}` : ''}`)}
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`;
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if(commands[0].aliases.length > 0) help += `\n**Aliases:** ${commands[0].aliases.join(', ')}`;
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help += `\n${oneLine`
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**Group:** ${commands[0].group.name}
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(\`${commands[0].groupID}:${commands[0].memberName}\`)
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`}`;
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if(commands[0].details) help += `\n**Details:** ${commands[0].details}`;
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if(commands[0].examples) help += `\n**Examples:**\n${commands[0].examples.join('\n')}`;
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const messages = [];
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try {
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messages.push(await msg.direct(help));
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if(msg.channel.type !== 'dm') messages.push(await msg.reply('Sent you a DM with information.'));
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} catch(err) {
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messages.push(await msg.reply('Unable to send you the help DM. You probably have DMs disabled.'));
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}
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return messages;
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} else if(commands.length > 15) {
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return msg.reply('Multiple commands found. Please be more specific.');
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} else if(commands.length > 1) {
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return msg.reply(disambiguation(commands, 'commands'));
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} else {
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return msg.reply(
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`Unable to identify command. Use ${msg.usage(
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null, msg.channel.type === 'dm' ? null : undefined, msg.channel.type === 'dm' ? null : undefined
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)} to view the list of all commands.`
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);
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}
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} else {
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const messages = [];
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try {
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messages.push(await msg.direct(stripIndents`
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${oneLine`
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To run a command in ${msg.guild ? msg.guild.name : 'any server'},
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use ${Command.usage('command', msg.guild ? msg.guild.commandPrefix : null, this.client.user)}.
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For example, ${Command.usage('prefix', msg.guild ? msg.guild.commandPrefix : null, this.client.user)}.
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`}
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To run a command in this DM, simply use ${Command.usage('command', null, null)} with no prefix.
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Use ${this.usage('<command>', null, null)} to view detailed information about a specific command.
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Use ${this.usage('all', null, null)} to view a list of *all* commands, not just available ones.
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__**${showAll ? 'All commands' : `Available commands in ${msg.guild || 'this DM'}`}**__
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${(showAll ? groups : groups.filter(grp => grp.commands.some(cmd => cmd.isUsable(msg))))
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.map(grp => stripIndents`
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__${grp.name}__
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${(showAll ? grp.commands : grp.commands.filter(cmd => cmd.isUsable(msg)))
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.map(cmd => `\`\`${cmd.name}: ${cmd.description}${cmd.nsfw ? ' (NSFW)' : ''}\`\``).join('\n')
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}
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`).join('\n\n')
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}
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`, { split: true }));
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if(msg.channel.type !== 'dm') messages.push(await msg.reply('Sent you a DM with information.'));
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} catch(err) {
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messages.push(await msg.reply('Unable to send you the help DM. You probably have DMs disabled.'));
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}
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return messages;
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}
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}
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};
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