testing perms for commands

events/interactionCreate.ts

@@ -3,6 +3,7 @@ import { AddButtonDataTwitch, commands, discord } from "..";
 import { db } from "../db";
 import * as schema from "../db/schema";
 import { randomUUID } from "crypto";
+import { checkPermissions, PermissionResult } from "../lib/checkPermissions";
 discord.on(
     Events.InteractionCreate,
     async (interaction: Interaction): Promise<any> => {
@@ -87,7 +88,16 @@ discord.on(
 
         if (!command) return;
         try {
-            command.execute(interaction as ChatInputCommandInteraction);
+            const permissionsCheck: PermissionResult = await checkPermissions(
+                command,
+                interaction
+            );
+
+            if (permissionsCheck.result) {
+                command.execute(interaction as ChatInputCommandInteraction);
+            } else {
+                throw new Error(permissionsCheck.missing.join(", "));
+            }
         } catch (error: any) {
             console.error(error);
             if (error.message.includes("permissions")) {

lib/checkPermissions.ts

@@ -0,0 +1,22 @@
+import { ChatInputCommandInteraction, PermissionResolvable } from "discord.js";
+
+export interface PermissionResult {
+    result: boolean;
+    missing: string[];
+}
+
+export async function checkPermissions(
+    command: any,
+    interaction: ChatInputCommandInteraction
+): Promise<PermissionResult> {
+    const member = await interaction.guild!.members.fetch({
+        user: interaction.client.user!.id,
+    });
+    const requiredPermissions = command.permissions as PermissionResolvable[];
+
+    if (!command.permissions) return { result: true, missing: [] };
+
+    const missing = member.permissions.missing(requiredPermissions);
+
+    return { result: !Boolean(missing.length), missing };
+}