discord

src/services/discord.service.ts

@@ -0,0 +1,101 @@
+import { Injectable, OnModuleInit } from '@nestjs/common';
+import { ConfigService } from '@nestjs/config';
+import { Client, Collection, Events, GatewayIntentBits, REST, Routes, SlashCommandBuilder, TextChannel } from 'discord.js';
+
+interface IDiscordCommand {
+    data: SlashCommandBuilder;
+    execute(interaction: any): Promise<void>;
+}
+
+const subscribeCommand = {
+    data: new SlashCommandBuilder()
+        .setName('subscribe')
+        .setDescription('Subscribes you to specified address'),
+    async execute(interaction) {
+        await interaction.reply('Work In Progress');
+    }
+}
+
+const commands = [
+    subscribeCommand
+]
+
+@Injectable()
+export class DiscordService implements OnModuleInit {
+    private token: string;
+    private clientId: string;
+    private guildId: string;
+    private channelId: string;
+
+    private bot: Client;
+    private commandCollection: Collection<string, IDiscordCommand>;
+
+
+    constructor(private readonly configService: ConfigService) {
+        this.token = this.configService.get('DISCORD_BOT_TOKEN');
+        this.clientId = this.configService.get('DISCORD_BOT_CLIENTID');
+        this.guildId = this.configService.get('DISCORD_BOT_GUILD_ID');
+        this.channelId = this.configService.get('DISCORD_BOT_CHANNEL_ID')
+
+        console.log('discord init')
+
+        this.commandCollection = new Collection();
+        commands.forEach(command => {
+            this.commandCollection.set(command.data.name, command);
+        });
+        this.bot = new Client({ intents: [GatewayIntentBits.Guilds, GatewayIntentBits.GuildMessages] });
+        this.bot.login(this.token);
+    }
+
+    async onModuleInit(): Promise<void> {
+
+        await this.registerCommands();
+
+
+        this.bot.on(Events.InteractionCreate, async interaction => {
+            if (!interaction.isChatInputCommand()) return;
+
+            const command = this.commandCollection.get(interaction.commandName);
+
+            if (!command) {
+                console.error(`No command matching ${interaction.commandName} was found.`);
+                return;
+            }
+
+            try {
+                await command.execute(interaction);
+            } catch (error) {
+                console.error(error);
+                if (interaction.replied || interaction.deferred) {
+                    await interaction.followUp({ content: 'There was an error while executing this command!', ephemeral: true });
+                } else {
+                    await interaction.reply({ content: 'There was an error while executing this command!', ephemeral: true });
+                }
+            }
+        });
+    }
+
+    private async registerCommands() {
+        const rest = new REST().setToken(this.token);
+        try {
+            console.log(`Started refreshing ${commands.length} application (/) commands.`);
+
+            // The put method is used to fully refresh all commands in the guild with the current set
+            const data = await rest.put(
+                Routes.applicationGuildCommands(this.clientId, this.guildId),
+                { body: commands.map(c => c.data.toJSON()) },
+            ) as any;
+
+            console.log(`Successfully reloaded ${data.length} application (/) commands.`);
+        } catch (error) {
+            // And of course, make sure you catch and log any errors!
+            console.error(error);
+        }
+    }
+
+    public async notifySUbscribersBlockFound() {
+        const guild = await this.bot.guilds.fetch(this.guildId);
+        const channel = await guild.channels.fetch(this.channelId) as TextChannel;
+        channel.send("Block Found!")
+    }
+}