feat: cloudflare -> netlify

functions/mastodon.js

@@ -0,0 +1,166 @@
+import { XMLParser } from "fast-xml-parser";
+import { createClient } from "@supabase/supabase-js";
+
+const BASE_URL = "https://coryd.dev";
+
+async function addMastodonUrlToPost(supabase, slug, mastodonPostUrl) {
+  const { error } = await supabase
+    .from("posts")
+    .update({ mastodon_url: mastodonPostUrl })
+    .eq("slug", slug);
+
+  if (error) {
+    console.error("Error updating post in 'posts' table:", error.message);
+  } else {
+    console.log(`Updated post with Mastodon URL: ${mastodonPostUrl}`);
+  }
+}
+
+function truncateContent(title, description, link, maxLength) {
+  const baseLength = `${title}\n\n${link}`.length;
+  const availableSpace = maxLength - baseLength - 4;
+  let truncatedDescription = description;
+
+  if (description.length > availableSpace)
+    truncatedDescription =
+      description
+        .substring(0, availableSpace)
+        .split(" ")
+        .slice(0, -1)
+        .join(" ") + "...";
+
+  truncatedDescription = truncatedDescription.replace(/\s+([.,!?;:])/g, "$1");
+
+  return `${title}\n\n${truncatedDescription}\n\n${link}`;
+}
+
+async function fetchRSSFeed(rssFeedUrl) {
+  const response = await fetch(rssFeedUrl);
+  const rssText = await response.text();
+  const parser = new XMLParser();
+  const rssData = parser.parse(rssText);
+  const items = rssData.rss.channel.item;
+
+  return items.map((item) => ({
+    title: item.title,
+    link: item.link,
+    description: item.description,
+  }));
+}
+
+async function postToMastodon(apiUrl, accessToken, content) {
+  const response = await fetch(apiUrl, {
+    method: "POST",
+    headers: {
+      Authorization: `Bearer ${accessToken}`,
+      "Content-Type": "application/json",
+    },
+    body: JSON.stringify({ status: content }),
+  });
+
+  if (!response.ok) {
+    const errorText = await response.text();
+    throw new Error(
+      `Error posting to Mastodon: ${response.statusText} - ${errorText}`,
+    );
+  }
+
+  const responseData = await response.json();
+  return responseData.url;
+}
+
+async function fetchFromSupabase(supabase, link) {
+  const { data, error } = await supabase
+    .from("mastodon_posts")
+    .select("link")
+    .eq("link", link)
+    .single();
+
+  if (error && error.code !== "PGRST116") {
+    console.error("Error fetching from Supabase:", error.message);
+    return null;
+  }
+
+  return data;
+}
+
+async function storeInSupabase(supabase, link, timestamp) {
+  const { error } = await supabase.from("mastodon_posts").insert([
+    {
+      link,
+      created_at: timestamp,
+    },
+  ]);
+
+  if (error) {
+    console.error("Error storing in Supabase:", error.message);
+  } else {
+    console.log("Successfully stored processed link in 'mastodon_posts'");
+  }
+}
+
+async function handleMastodonPost(env, supabase) {
+  const mastodonApiUrl = "https://follow.coryd.dev/api/v1/statuses";
+  const accessToken = env.MASTODON_ACCESS_TOKEN;
+  const rssFeedUrl = "https://coryd.dev/feeds/syndication.xml";
+
+  try {
+    const latestItems = await fetchRSSFeed(rssFeedUrl);
+
+    for (let i = latestItems.length - 1; i >= 0; i--) {
+      const item = latestItems[i];
+      const existingPost = await fetchFromSupabase(supabase, item.link);
+
+      if (existingPost) continue;
+
+      const title = item.title;
+      const link = item.link;
+      const maxLength = 500;
+      const cleanedDescription = item.description.replace(/\s+/g, " ").trim();
+      const content = truncateContent(
+        title,
+        cleanedDescription,
+        link,
+        maxLength,
+      );
+      const mastodonPostUrl = await postToMastodon(
+        mastodonApiUrl,
+        accessToken,
+        content,
+      );
+      const timestamp = new Date().toISOString();
+
+      await storeInSupabase(supabase, item.link, timestamp);
+
+      if (link.includes("coryd.dev/posts")) {
+        const slug = link.replace(BASE_URL, "");
+        await addMastodonUrlToPost(supabase, slug, mastodonPostUrl);
+      }
+
+      console.log(`Posted and stored URL: ${link}`);
+    }
+
+    console.log("RSS processed successfully");
+  } catch (error) {
+    console.error("Error in Mastodon posting process:", error);
+  }
+}
+
+export async function handler(event, context) {
+  const env = process.env;
+
+  try {
+    const supabase = createClient(env.SUPABASE_URL, env.SUPABASE_KEY);
+    await handleMastodonPost(env, supabase);
+    return {
+      statusCode: 200,
+      body: "RSS processed successfully",
+    };
+  } catch (error) {
+    console.error("Error in Netlify function:", error);
+    return {
+      statusCode: 500,
+      body: "Internal Server Error",
+    };
+  }
+}