buy, use, delete, edit item

util.ts

@@ -1,6 +1,10 @@
+import type { ChatInputCommandInteraction, GuildMember } from "discord.js";
 import type { UpdateResult } from "mongodb";
 
 export function did_update(result: UpdateResult): boolean {
   return result.modifiedCount > 0;
 }
 
+export function has_role(interaction: ChatInputCommandInteraction, role_id: string): boolean {
+  return (interaction.member as GuildMember).roles.cache.some((r) => r.id === role_id);
+}