jillo-bot/src/commands/subscribe.ts

import { CommandInteraction, SlashCommandBuilder } from 'discord.js';
import { isSubscribed, subscribe, timeAnnouncements, unsubscribe } from '../lib/subscriptions';
import { Command } from '../types/index';

export default {
  data: new SlashCommandBuilder()
    .setName('subscribe')
    .setDescription('[ADMIN] Subscribe/unsubscribe to a time announcement')
    .addStringOption(option => 
      option
        .setName('type')
        .setChoices(...Object.keys(timeAnnouncements).map(l => ({name: l, value: l})))
        .setDescription('The name of the time announcement')
        .setRequired(true)
    )
    .setDefaultMemberPermissions('0'),

  execute: async (interaction: CommandInteraction) => {
    if (!interaction.isChatInputCommand()) return;
    
    await interaction.deferReply({ephemeral: true});

    const announcementType = interaction.options.getString('type', true);
    const channel = interaction.channelId;

    if (await isSubscribed(announcementType, channel)) {
      await unsubscribe(announcementType, channel);
      await interaction.followUp({
        content: `<#${interaction.channelId}> has been unsubscribed from \`${announcementType}\``
      });
    } else {
      await subscribe(announcementType, interaction.guildId || undefined, channel);
      await interaction.followUp({
        content: `<#${interaction.channelId}> has been subscribed to \`${announcementType}\``
      });
    }
  }
} satisfies Command;