Add help global command

Author: synzen

services/bot-presence/src/app-config/app-config.service.ts

@@ -13,6 +13,12 @@ export class AppConfigService {
     );
   }
 
+  getBotClientId() {
+    return this.configService.get<string | undefined>(
+      'BOT_PRESENCE_DISCORD_BOT_CLIENT_ID',
+    );
+  }
+
   getSupporterGuildId() {
     return this.configService.get('BOT_PRESENCE_SUPPORTER_GUILD_ID');
   }

services/bot-presence/src/discord-client/discord-client.service.ts

@@ -1,5 +1,10 @@
 import { Injectable, OnModuleInit } from '@nestjs/common';
-import { Client, GatewayDispatchEvents } from '@discordjs/core';
+import {
+  ApplicationCommandType,
+  Client,
+  GatewayDispatchEvents,
+  InteractionType,
+} from '@discordjs/core';
 import { MessageBrokerService } from '../message-broker/message-broker.service';
 import { AppConfigService } from '../app-config/app-config.service';
 
@@ -12,12 +17,68 @@ export class DiscordClientService implements OnModuleInit {
   ) {}
 
   async onModuleInit() {
-    await this.listenToSupporterGuildMemberJoined();
+    console.log('Registering commands...');
+    await this.registerCommands();
+    console.log('Listening to events...');
+    await this.listenToEvents();
   }
 
-  async listenToSupporterGuildMemberJoined() {
+  async registerCommands() {
+    const botClientId = this.configService.getBotClientId();
+
+    if (!botClientId) {
+      console.log(
+        'No BOT_PRESENCE_DISCORD_BOT_CLIENT_ID found. Skipping registration of commands.',
+      );
+      return;
+    }
+
+    try {
+      const commands =
+        await this.client.api.applicationCommands.getGlobalCommands(
+          botClientId,
+        );
+
+      if (commands.some((c) => c.name === 'help')) {
+        console.log('Help command already registered.');
+        return;
+      }
+
+      await this.client.api.applicationCommands.createGlobalCommand(
+        botClientId,
+        {
+          name: 'help',
+          description: 'Show information on how to use MonitoRSS.',
+          type: ApplicationCommandType.ChatInput,
+        },
+      );
+
+      console.log('Help command registered successfully.');
+    } catch (err) {
+      console.error('Error registering commands:', err);
+    }
+  }
+
+  async listenToEvents() {
     const supporterGuildId = this.configService.getSupporterGuildId();
 
+    this.client.on(GatewayDispatchEvents.InteractionCreate, (interaction) => {
+      if (interaction.data.type !== InteractionType.ApplicationCommand) {
+        return;
+      }
+
+      if (interaction.data.data.name === 'help') {
+        this.client.api.interactions
+          .reply(interaction.data.id, interaction.data.token, {
+            content:
+              'To add and manage feeds, please visit the "Control Panel" at <https://monitorss.xyz> to add and control feeds.\n\nFor support, please either reach out to support@monitorss.xyz or join the support Discord server at https://discord.gg/pudv7Rx.',
+          })
+          .catch((err) => {
+            console.error('Error replying to interaction:', err);
+          });
+      }
+    });
+
     if (!supporterGuildId) {
       return;
     }

services/bot-presence/src/main.ts

@@ -2,6 +2,7 @@ import { NestFactory } from '@nestjs/core';
 import { AppModule } from './app.module';
 
 async function bootstrap() {
+  console.log('Starting app...');
   const app = await NestFactory.create(AppModule.forRoot());
   app.enableShutdownHooks();
   await app.init();