refactor: Move Discord APIs to Discord module

1 files changed, 90 insertions, 0 deletions

diff --git a/src/discord/embeds.ts b/src/discord/embeds.ts
new file mode 100644
index 0000000..f88cec2
--- /dev/null
+++ b/src/discord/embeds.ts
@@ -0,0 +1,90 @@
+import type { DiscordEmbed } from './interfaces.ts';
+import type { RedditPost } from '../reddit.ts';
+
+function decodeHtmlEntities(str: string): string {
+  return str
+    .replace(/&/g, '&')
+    .replace(/&lt;/g, '<')
+    .replace(/&gt;/g, '>')
+    .replace(/&quot;/g, '"')
+    .replace(/&#x27;/g, "'")
+    .replace(/&#x2F;/g, '/')
+    .replace(/&#x60;/g, '`')
+    .replace(/&#x3D;/g, '=');
+}
+
+export function createPostEmbed(post: RedditPost): DiscordEmbed {
+  const mediaUrl =
+    post.media?.reddit_video?.fallback_url ||
+    post.secure_media?.reddit_video?.fallback_url ||
+    post.url;
+
+  let description = post.selftext || '';
+
+  if (description.length > 1000)
+    description = description.substring(0, 997).trim() + ' ...';
+
+  const embed: DiscordEmbed = {
+    title: post.title,
+    description: description,
+    url: `https://reddit.com${post.permalink}`,
+    color: 0xff4500,
+    author: {
+      name: `u/${post.author}`,
+      url: `https://reddit.com/u/${post.author}`,
+    },
+    fields: [
+      {
+        name: 'Score',
+        value: `${post.score} ⬆️`,
+        inline: true,
+      },
+      {
+        name: 'Comments',
+        value: `${post.num_comments} 💬`,
+        inline: true,
+      },
+    ],
+    timestamp: new Date(post.created_utc * 1000).toISOString(),
+    footer: {
+      text: 'r/okbuddyumamusume',
+    },
+  };
+
+  if (mediaUrl)
+    if (post.media?.reddit_video || post.secure_media?.reddit_video) {
+      if (!description) description = '';
+
+      description +=
+        '\n\n📹 **This post contains a video** - [Click here to view](' +
+        mediaUrl +
+        ')';
+      embed.description = description;
+
+      if (post.preview?.images?.[0]?.source?.url) {
+        const decodedURL = decodeHtmlEntities(
+          post.preview.images[0].source.url,
+        );
+
+        console.log('Using preview image:', decodedURL);
+
+        embed.image = { url: decodedURL };
+      } else if (
+        post.thumbnail &&
+        post.thumbnail !== 'self' &&
+        post.thumbnail !== 'default'
+      ) {
+        const decodedThumbnail = decodeHtmlEntities(post.thumbnail);
+
+        console.log('Using thumbnail:', decodedThumbnail);
+
+        embed.image = { url: decodedThumbnail };
+      } else {
+        console.log('No suitable thumbnail found for video post');
+      }
+    } else {
+      embed.image = { url: mediaUrl };
+    }
+
+  return embed;
+}