feat(arabot): add apply command

src/commands/utils/apply.ts

@@ -0,0 +1,61 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+/*
+    Animal Rights Advocates Discord Bot
+    Copyright (C) 2023  Anthony Berg
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+import { Command, RegisterBehavior } from '@sapphire/framework';
+import type { Message } from 'discord.js';
+
+class ApplyCommand extends Command {
+  public constructor(context: Command.Context, options: Command.Options) {
+    super(context, {
+      ...options,
+      name: 'apply',
+      description: 'Apply to volunteer for Animal Rights Advocates',
+    });
+  }
+
+  message = 'If you want to help out in ARA and support animals at the same time, '
+    + 'apply here: https://forms.gle/kgBHbB7LHFUJXhui6 and we\'ll try to get back as soon as possible!';
+
+  // Registers that this is a slash command
+  public override registerApplicationCommands(registry: Command.Registry) {
+    registry.registerChatInputCommand(
+      (builder) => builder
+        .setName(this.name)
+        .setDescription(this.description),
+      {
+        behaviorWhenNotIdentical: RegisterBehavior.Overwrite,
+      },
+    );
+  }
+
+  // Command run
+  public async chatInputRun(interaction: Command.ChatInputCommandInteraction) {
+    await interaction.reply({
+      content: this.message,
+      fetchReply: true,
+      ephemeral: true,
+    });
+  }
+
+  public async messageRun(message: Message) {
+    await message.reply(this.message);
+  }
+}
+
+export default ApplyCommand;