added slowmode.ts

src/commands/slowmode.ts

@@ -0,0 +1,34 @@
+import { Message, GuildTextableChannel } from 'eris';
+import moment, { unitOfTime } from 'moment';
+import { Client, Command } from '../class';
+
+export default class Slowmode extends Command {
+  regex: RegExp;
+
+  constructor(client: Client) {
+    super(client);
+    this.name = 'slowmode';
+    this.description = 'Set slowmode to a channel.';
+    this.usage = 'slowmode <length[unit]>';
+    this.permissions = 1;
+    this.guildOnly = true;
+    this.enabled = true;
+    this.regex = /[a-z]+|[^a-z]+/gi;
+  }
+
+  public async run(message: Message<GuildTextableChannel>, args: string[]) {
+    try {
+      if (!args[0]) return this.error(message.channel, 'This command requires an argument.');
+
+      const [length, unit] = args[0].match(this.regex);
+      if (Number.isNaN(Number(length))) return this.error(message.channel, 'Could not determine the slowmode time.');
+      const momentSeconds: number = Math.round(moment.duration(length, unit as unitOfTime.Base || 's').asSeconds());
+
+      if (momentSeconds > 21600 || momentSeconds < 0) return this.error(message.channel, 'Slowmode must be between 0 seconds and 6 hours.');
+
+      return message.channel.edit({ rateLimitPerUser: momentSeconds }).then((c) => message.addReaction(':success:477618704155410452'));
+    } catch (err) {
+      return this.client.util.handleError(err, message, this);
+    }
+  }
+}