feat: add ban reason command (#61)

Author: AlexProgrammerDE

src/commands/banreason.ts

@@ -0,0 +1,80 @@
+import {
+  AuditLogEvent,
+  type ChatInputCommandInteraction,
+  MessageFlags,
+  SlashCommandBuilder,
+} from "discord.js";
+import type { Command } from "../types/command";
+
+const allowedRoleIds = [
+  "1268946626387378189",
+  "1268540163068526632",
+  "1357730279644594399",
+  "1324344058138726481",
+  "1349758583859970140",
+  "917520262939938915",
+];
+
+const BanReasonCommand: Command = {
+  data: new SlashCommandBuilder()
+    .setName("banreason")
+    .setDescription("Show the ban reason for a user")
+    .addUserOption((option) =>
+      option.setName("user").setDescription("User to check").setRequired(true),
+    ),
+
+  async execute(interaction: ChatInputCommandInteraction) {
+    if (!interaction.inGuild() || !interaction.guild) {
+      await interaction.reply({
+        content: "This command can only be used in a server.",
+        flags: MessageFlags.Ephemeral,
+      });
+      return;
+    }
+
+    const member = await interaction.guild.members.fetch(interaction.user.id);
+    const hasPermission = allowedRoleIds.some((id) =>
+      member.roles.cache.has(id),
+    );
+
+    if (!hasPermission) {
+      await interaction.reply({
+        content: "You do not have permission to use this command.",
+        flags: MessageFlags.Ephemeral,
+      });
+      return;
+    }
+
+    const targetUser = interaction.options.getUser("user", true);
+    await interaction.deferReply({ flags: MessageFlags.Ephemeral });
+
+    try {
+      const ban = await interaction.guild.bans.fetch(targetUser.id);
+
+      const auditLogs = await interaction.guild.fetchAuditLogs({
+        type: AuditLogEvent.MemberBanAdd,
+        limit: 10,
+      });
+
+      const auditEntry = auditLogs.entries.find(
+        (entry) => entry.target?.id === targetUser.id,
+      );
+
+      const reason = ban.reason ?? auditEntry?.reason ?? "No reason provided.";
+      const bannedBy = auditEntry?.executor?.tag ?? "Unknown (not found)";
+
+      await interaction.editReply(
+        `**Ban information for ${targetUser.tag}:**\n` +
+          `• Reason: ${reason}\n` +
+          `• Banned by: ${bannedBy}`,
+      );
+    } catch (error) {
+      console.error(error);
+      await interaction.editReply(
+        `${targetUser.tag} is not currently banned from this server.`,
+      );
+    }
+  },
+};
+
+export default BanReasonCommand;