add warn command

src/commands/warn.ts

@@ -0,0 +1,41 @@
+/* eslint-disable consistent-return */
+import { Message } from 'eris';
+import { Client } from '..';
+import { Command, RichEmbed } from '../class';
+
+export default class Warn extends Command {
+  constructor(client: Client) {
+    super(client);
+    this.name = 'warn';
+    this.description = 'Sends an official warning to user.';
+    this.usage = `${this.client.config.prefix}warn [username || user ID]`;
+    this.permissions = { roles: ['446104438969466890'] };
+  }
+
+  public async run(message: Message, args: string[]) {
+    try {
+      if (!args.length) return this.client.commands.get('help').run(message, [this.name]);
+      const edit = await message.channel.createMessage(`***${this.client.stores.emojis.loading} Sending warning...***`);
+      const account = await this.client.db.Account.findOne({ $or: [{ username: args[0] }, { userID: args[0].replace(/[<@!>]/gi, '') }] });
+      if (!account) return edit.edit(`***${this.client.stores.emojis.error} Cannot find user.***`);
+      if (account.root) return edit.edit(`***${this.client.stores.emojis.error} Permission denied.***`);
+      await this.client.util.createModerationLog(account.userID, message.member, 1, args.slice(1).join(' '));
+      edit.edit(`***${this.client.stores.emojis.success} Account ${account.username} has been warned by Moderator ${message.author.username}#${message.author.discriminator}.***`);
+      this.client.util.transport.sendMail({
+        to: account.emailAddress,
+        from: 'Library of Code sp-us | Cloud Services <support@libraryofcode.org>',
+        subject: 'Your account has been warned',
+        html: `
+        <h1>Library of Code sp-us | Cloud Services</h1>
+        <p>Your account has received an official warning from a Moderator. Please get the underlying issue resolved to avoid <i>possible</i> moderative action.</p>
+        <p><strong>Reason:</strong> ${args.slice(1).join(' ') ? args.slice(1).join(' ') : 'Not Specified'}</p>
+        <p><strong>Moderator:</strong> ${message.author.username}</p>
+
+        <b><i>Library of Code sp-us | Support Team</i></b>
+        `,
+      });
+    } catch (error) {
+      await this.client.util.handleError(error, message, this);
+    }
+  }
+}