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refactor: use embed in !oc command + add sendEmbedToChannel to ChatService #80

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refactor: use embed in !oc command + add sendEmbedToChannel to ChatService #80

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a11ac40
Update onlyCodeQuestionsCommand.ts
MrProSpectrumPT Sep 4, 2025
25f98bc
Update chatService.ts
MrProSpectrumPT Sep 4, 2025
209852a
Update discordChatService.ts
MrProSpectrumPT Sep 4, 2025
8077af7
Update onlyCodeQuestionsCommand.ts
MrProSpectrumPT Sep 4, 2025
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20 changes: 16 additions & 4 deletions application/command/onlyCodeQuestionsCommand.ts
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Original file line number Diff line number Diff line change
@@ -1,19 +1,31 @@
import { Command, Context } from "../../types";
import ChatService from "../../domain/service/chatService";
import { EmbedBuilder } from "discord.js";

export default class OnlyCodeQuestionsCommand implements Command {
readonly name = "!oc";

private chatService: ChatService;

private readonly message: string =
":warning: Este servidor é APENAS para questões relacionadas com programação! :warning:";

constructor(chatService: ChatService) {
this.chatService = chatService;
}

async execute(context: Context): Promise<void> {
await this.chatService.sendMessageToChannel(this.message, context.channelId);
const { message, channelId } = context;

const mentionedUser = message.mentions.users.first();
const userIdMatch = message.content.match(/<@!?(\d+)>|(\d{17,20})/);
const userId = mentionedUser?.id || userIdMatch?.[1] || userIdMatch?.[2];
const content = userId ? `<@${userId}>` : undefined;

const embed = new EmbedBuilder()
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@diomonogatari diomonogatari Sep 4, 2025 •
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image embeds are overkill imo.

We normally use this command when someone joins and starts asking if someone can help them with some PC problem or GTA Cheat or whatever.

If you want to think of a styling improvement, maybe markdown in the message body would be enough

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@MrProSpectrumPT MrProSpectrumPT Sep 4, 2025

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Yes Markdown is another easy solution, i usually use embeds because you can input footers and/or icons on them, i usually produce hundreds of them and they are not THAT heavy, but they are simple to edit and manipulate
The idea was to get rid of simple texting, which can introduce ping flaws, but Markdown also solves it yes

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@diomonogatari diomonogatari Sep 4, 2025

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adding !oc @someUserToBeMentioned would be a lukewarm feature but I can see some general value in case the chat is too long already.

Maybe it's a nice-to-have and nice-to-have's aren't that problematic for this community-based bot.

As for the embed, shouldn't be a problem as long as it doesn't occupy a lot of the user-space.

Just my 2 cents. I'm not a maintainer, just a casual contributor

.setTitle("🚫 Servidor Exclusivo para Programação")
.setDescription("Este servidor é **APENAS** para questões relacionadas com **programação**!")
.setColor(0xFF0000)
.setFooter({ text: "Por favor mantém o foco no tema certo." })
.setTimestamp();

await this.chatService.sendEmbedToChannel(embed, channelId, content);
}
}
3 changes: 3 additions & 0 deletions domain/service/chatService.ts
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Original file line number Diff line number Diff line change
@@ -1,3 +1,6 @@
import { EmbedBuilder } from "discord.js";

export default interface ChatService {
sendMessageToChannel(message: string, channelId: string): void;
sendEmbedToChannel(embed: EmbedBuilder, channelId: string, content?: string): void;
}
21 changes: 15 additions & 6 deletions infrastructure/service/discordChatService.ts
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
import { Client } from "discord.js";
import { Client, EmbedBuilder, TextChannel } from "discord.js";
import ChatService from "../../domain/service/chatService";

export default class DiscordChatService implements ChatService {
Expand All @@ -7,14 +7,23 @@ export default class DiscordChatService implements ChatService {
async sendMessageToChannel(message: string, channelId: string): Promise<void> {
const channel = await this.client.channels.fetch(channelId);

if (channel === null) {
throw new Error(`Channel with id ${channelId} not found!`);
if (!channel || !channel.isTextBased()) {
throw new Error(`Channel with id ${channelId} is not a text channel or was not found!`);
}

if (!channel.isText()) {
throw new Error(`Channel with id ${channelId} is not a text channel!`);
await (channel as TextChannel).send(message);
}

async sendEmbedToChannel(embed: EmbedBuilder, channelId: string, content?: string): Promise<void> {
const channel = await this.client.channels.fetch(channelId);

if (!channel || !channel.isTextBased()) {
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there's code duplication in l.20-22 and l.10-12

Could improve with a function that always returns a TextChannel or throws an Error

throw new Error(`Channel with id ${channelId} is not a text channel or was not found!`);
}

channel.send(message);
await (channel as TextChannel).send({
embeds: [embed],
content: content ?? undefined,
});
}
}