feat: add logging for say command (closes #166)

.env.example

@@ -1,2 +1,4 @@
 DISCORD_TOKEN=
-DISCORD_APP=
+DISCORD_APP=
+
+SAY_LOGS_CHANNEL=

src/commands/say.ts

@@ -0,0 +1,37 @@
+import {
+  CacheType,
+  ChatInputCommandInteraction,
+  EmbedBuilder,
+} from 'discord.js';
+
+export const sayCommand = async (
+  interaction: ChatInputCommandInteraction<CacheType>
+) => {
+  if (!interaction.guild || !interaction.channel) return;
+
+  const content = interaction.options.getString('content', true);
+  await interaction.deferReply({ ephemeral: true });
+  const message = await interaction.channel.send(content);
+  await interaction.editReply('I said what you said!');
+
+  if (typeof process.env.SAY_LOGS_CHANNEL === 'string') {
+    const logsChannel = await interaction.guild.channels.fetch(
+      process.env.SAY_LOGS_CHANNEL
+    );
+
+    if (!logsChannel?.isTextBased()) return;
+
+    await logsChannel.send({
+      embeds: [
+        new EmbedBuilder()
+          .setTitle('Say command used')
+          .setDescription(content)
+          .setAuthor({
+            name: interaction.user.tag,
+            iconURL: interaction.user.avatarURL() ?? undefined,
+          })
+          .setURL(message.url),
+      ],
+    });
+  }
+};

src/index.ts

@@ -19,6 +19,7 @@ import { modrinthCommand } from './commands/modrinth';
 import { tagsCommand } from './commands/tags';
 import { jokeCommand } from './commands/joke';
 import { roryCommand } from './commands/rory';
+import { sayCommand } from './commands/say';
 
 import random from 'just-random';
 import { green, bold, yellow, cyan } from 'kleur/colors';
@@ -114,11 +115,7 @@ client.on('interactionCreate', async (interaction) => {
     } else if (commandName === 'modrinth') {
       await modrinthCommand(interaction);
     } else if (commandName === 'say') {
-      if (!interaction.channel) return;
-
-      await interaction.deferReply({ ephemeral: true });
-      await interaction.channel.send(interaction.options.getString('content')!);
-      await interaction.editReply('I said what you said!');
+      await sayCommand(interaction);
     } else if (commandName === 'tag') {
       await tagsCommand(interaction);
     } else if (commandName === 'joke') {