Show missing permissions when using /showsettings

src/commands/showSettings.ts

@@ -1,4 +1,5 @@
-import { ChatInputCommandInteraction, PermissionFlagsBits, SlashCommandBuilder } from "discord.js";
+import { ChatInputCommandInteraction, Guild, PermissionFlagsBits, SlashCommandBuilder } from "discord.js";
+import client from "../client";
 import { Badword, database } from "../data";
 import { getGuildSetting } from "../tools/data";
 import getDefaultEmbed from "../tools/defaultEmbeds";
@@ -14,6 +15,12 @@ builder.setDefaultMemberPermissions(PermissionFlagsBits.ManageGuild);
 async function execute(interaction: ChatInputCommandInteraction): Promise<void> {
     if (!interaction.inGuild()) throw new Error("Interaction was performed outside guild context");
 
+    const guild = await new Promise<null | Guild>((resolve) => {
+        client.guilds.fetch(interaction.guildId).catch(() => {resolve(null)}).then((guild) => {resolve(guild || null)});
+    });
+
+    if (!guild) throw new Error("Guild is unavailable");
+
     const settings = await getGuildSetting(interaction.guildId);
     const wordCount = await database.getRepository(Badword).count({
         where: {
@@ -48,9 +55,14 @@ async function execute(interaction: ChatInputCommandInteraction): Promise<void>
 
     const invalidLogChannelEmbed = getDefaultEmbed();
     invalidLogChannelEmbed.setColor(Color.WARNING_YELLOW);
-    invalidLogChannelEmbed.setTitle(`${Emoji.SECURITY_CHALLENGE_FAILED} Logchannel is misconfigured!`);
+    invalidLogChannelEmbed.setTitle(`${Emoji.CHAT_DENY} Logchannel is misconfigured!`);
     invalidLogChannelEmbed.setDescription("The bot is unable to read and/or write in the configured logChannel. Please adjust your permissions.");
 
+    const missingPermissionEmbed = getDefaultEmbed();
+    missingPermissionEmbed.setColor(Color.WARNING_YELLOW);
+    missingPermissionEmbed.setTitle(`${Emoji.CHAT_DENY} Bot is missing permissions to function properly!`);
+    missingPermissionEmbed.setDescription("Without these missing Permissions, the bot won't work properly and might lead to unexpected behavior");
+
     if (logChannel && logChannel.isTextBased()) {
         const permissions = await getChannelPermission(logChannel);
         if (!permissions || !permissions.has(PermissionFlagsBits.ViewChannel) || !permissions.has(PermissionFlagsBits.SendMessages)) {
@@ -62,6 +74,30 @@ async function execute(interaction: ChatInputCommandInteraction): Promise<void>
         embeds.push(invalidLogChannelEmbed);
     }
 
+    const member = await guild.members.fetchMe();
+    if (!member.permissions.has(PermissionFlagsBits.ViewAuditLog)) {
+        missingPermissionEmbed.addFields({
+            name: "View Audit Logs",
+            value: "With this permission the bot can determine who created or updated a channel with a blocked word"
+        });
+    }
+
+    if (!member.permissions.has(PermissionFlagsBits.ViewChannel)) {
+        missingPermissionEmbed.addFields({
+            name: "View Channels",
+            value: "If the bot can't see a channel, it won't be able to detect blocked words in it"
+        });
+    }
+
+    if (!member.permissions.has(PermissionFlagsBits.ManageChannels)) {
+        missingPermissionEmbed.addFields({
+            name: "Manage Channels",
+            value: "If the bot can't delete a channel, it can't protect your server from channels with blocked words"
+        });
+    }
+
+    if (missingPermissionEmbed.data.fields?.length || 0 > 0) embeds.push(missingPermissionEmbed);
+
     interaction.reply({
         embeds: embeds,
         ephemeral: true