feat: add TurnOff feed (#117)

Closes: #104

Author: Purexo

src/crons/TurnOff.ts

@@ -0,0 +1,73 @@
+import { Cron, findTextChannelByName } from '../framework/index.ts';
+import got from 'got';
+import { parse } from 'node-html-parser';
+import { KeyValue } from '../database/index.ts';
+import { EmbedBuilder, SnowflakeUtil } from 'discord.js';
+
+export default new Cron({
+  enabled: true,
+  name: '{turnoff.us}',
+  description:
+    'Vérifie toutes les 30 minutes si un nouveau strip de {turnoff.us} est sorti',
+  schedule: '5,35 * * * *',
+  async handle(context) {
+    const strip = await getLastTurnOffStrip();
+
+    // vérifie le strip trouvé avec la dernière entrée
+    const lastStrip = await KeyValue.get<string>('Last-Cron-TurnOff');
+    const stripStoreIdentity = strip?.id ?? null;
+    if (lastStrip === stripStoreIdentity) return; // skip si identique
+
+    await KeyValue.set('Last-Cron-TurnOff', stripStoreIdentity); // met à jour sinon
+
+    if (!strip) return; // skip si pas de strip
+
+    context.logger.info(`Found a new {turnoff.us} strip`, strip);
+
+    const channel = findTextChannelByName(context.client.channels, 'gif');
+
+    await channel.send({
+      embeds: [
+        new EmbedBuilder()
+          .setURL(strip.link)
+          .setTitle(strip.title)
+          .setImage(strip.imageUrl)
+          .setTimestamp(strip.date),
+      ],
+      enforceNonce: true,
+      nonce: SnowflakeUtil.generate().toString(),
+    });
+  },
+});
+
+interface ITurnOffStrip {
+  id: string;
+  link: string;
+  title: string;
+  date: Date;
+  imageUrl: string;
+}
+
+export async function getLastTurnOffStrip(): Promise<ITurnOffStrip | null> {
+  const { body } = await got('https://turnoff.us/feed.xml');
+  const rss = parse(body, {
+    blockTextElements: {
+      // link tag in XML RSS is a block with text content
+      link: true,
+    },
+  });
+
+  const item = rss.querySelector('item');
+  if (!item) return null;
+
+  const description = item.querySelector('description');
+  const img = description?.querySelector('img');
+
+  return {
+    id: item.querySelector('guid')?.textContent?.trim() ?? '',
+    link: item.querySelector('link')?.textContent?.trim() ?? '',
+    title: item.querySelector('title')?.textContent?.trim() ?? '',
+    date: new Date(item.querySelector('pubDate')?.textContent ?? new Date()),
+    imageUrl: img?.getAttribute('src') ?? '',
+  };
+}

tests/cron/TurnOff.spec.ts

@@ -0,0 +1,20 @@
+import { test, expect } from 'vitest';
+
+import { getLastTurnOffStrip } from '../../src/crons/TurnOff.ts';
+
+test('getLastTurnOffStrip', async () => {
+  const strip = await getLastTurnOffStrip();
+  if (!strip) return;
+
+  expect(strip.id).toBeTruthy();
+  expect(typeof strip.id).toBe('string');
+
+  expect(strip.link).toBeTruthy();
+  expect(typeof strip.link).toBe('string');
+
+  expect(strip.title).toBeTruthy();
+  expect(typeof strip.title).toBe('string');
+
+  expect(strip.imageUrl).toBeTruthy();
+  expect(typeof strip.imageUrl).toBe('string');
+});