fix(bots/discord/utils/discord): add moderation module related functions

bots/discord/src/utils/discord/moderation.ts

@@ -0,0 +1,45 @@
+import { config, logger } from '$/context'
+import type { ChatInputCommandInteraction, EmbedBuilder, Guild, User } from 'discord.js'
+import { applyReferenceToModerationActionEmbed, createModerationActionEmbed } from './embeds'
+
+const PresetLogAction = {
+    apply: 'Applied role preset to',
+    remove: 'Removed role preset from',
+} as const
+
+export const sendPresetReplyAndLogs = (
+    action: keyof typeof PresetLogAction,
+    interaction: ChatInputCommandInteraction,
+    user: User,
+    preset: string,
+    expires?: number | null,
+) =>
+    sendModerationReplyAndLogs(
+        interaction,
+        createModerationActionEmbed(PresetLogAction[action], user, interaction.user, undefined, expires, [
+            [{ name: 'Preset', value: preset, inline: true }],
+        ]),
+    )
+
+export const sendModerationReplyAndLogs = async (interaction: ChatInputCommandInteraction, embed: EmbedBuilder) => {
+    const reply = await interaction.reply({ embeds: [embed] }).then(it => it.fetch())
+    const logChannel = await getLogChannel(interaction.guild!)
+    await logChannel?.send({ embeds: [applyReferenceToModerationActionEmbed(embed, reply.url)] })
+}
+
+export const getLogChannel = async (guild: Guild) => {
+    const logConfig = config.moderation?.log
+    if (!logConfig) return
+
+    try {
+        const channel = await guild.channels.fetch(logConfig.thread ?? logConfig.channel)
+        if (!channel || !channel.isTextBased())
+            return void logger.warn('The moderation log channel does not exist, skipping logging')
+
+        return channel
+    } catch (error) {
+        logger.warn('Failed to fetch the moderation log channel:', error)
+    }
+
+    return
+}