From cea87827463f7242d419f5c7c623b21e841d879d Mon Sep 17 00:00:00 2001
From: tint <tint@tint.red>
Date: Sun, 11 Jun 2023 20:55:35 -0400
Subject: [PATCH] error checking, logging, and all that idk

---
 index.js | 59 ++++++++++++++++++++++++++++++++++++++++++++++----------
 1 file changed, 49 insertions(+), 10 deletions(-)

diff --git a/index.js b/index.js
index f2aa4b7..f316e50 100644
--- a/index.js
+++ b/index.js
@@ -23,7 +23,7 @@ const client = new discord.Client({
 async function fetchData(url) {
   const res = await fetch(url, {
     headers: {
-      'User-Agent': 'curl/8.0.1',
+      'User-Agent': 'curl/8.1.0',
       'Accept': '*/*'
     },
     credentials: "omit",
@@ -44,7 +44,8 @@ async function fetchData(url) {
     return;
   }
   let json = text.substring(index);
-  json = json.replace(/^<script type="application\/ld\+json" nonce="[^"]+">/, "");
+  json = json.replace(/^<script type="application\/ld\+json"( nonce="[^"]+")?>/, "");
+  console.log("Found JSON");
   
   index = json.indexOf('}</script>');
   if(index < 0) {
@@ -71,23 +72,61 @@ client.on("messageCreate", async message => {
   if(!/^https?:\/\/(www\.)?instagram\.com\/reel/.test(message.content)) {
     return;
   }
+  const url = message.content.split(" ")[0];
+  console.log("Fetching content for URL: " + url);
   
-  const data = await fetchData(message.content.split(" ")[0]);
+  let data;
+  try {
+    data = await fetchData(url);
+  } catch(err) {
+    console.log("Error fetching, retrying:", err);
+    try {
+      data = await fetchData(url);
+    } catch(err) {
+      console.log("Error fetching URL: " + url);
+      console.log("Error:", err);
+      message.channel.send("Failed to fetch data for link");
+      return;
+    }
+  }
+
   if(!data) {
+    console.log("data is empty");
+    message.channel.send("Link had no data, or something went wrong");
     return;
   }
 
-  message.channel.send({
+  const sendObj = {
     embeds: [{
       author: {
-        name: data.author.alternateName,
-        icon_url: data.author.image,
+        name: data?.author?.alternateName,
+        icon_url: data?.author?.image,
       },
-      title: data.author.name,
-      description: data.headline,
+      title: data?.author?.name,
+      description: data?.headline,
     }],
-    files: data.video.map(d => d.contentUrl)
-  });
+    files: (data.video || []).map(d => d.contentUrl)
+  };
+
+  const interval = setInterval(() => message.channel.sendTyping().catch(() => {}), 3000);
+  let success = true;
+  try {
+    console.log("posting...");
+    message.channel.sendTyping().catch(() => {});
+    await message.channel.send(sendObj);
+  } catch(err) {
+    console.log("Error posting to discord, attempting backup:", err);
+    sendObj.content = sendObj.files.join(" ");
+    delete sendObj.files;
+    try {
+      await message.channel.send(sendObj);
+    } catch(err) {
+      console.log("error posting backup", err);
+      success = false;
+    }
+  }
+  if(success) console.log("posted!");
+  clearInterval(interval);
 });
 
 client.login(process.env.TOKEN).then(() => console.log("Logged into Discord as", client.user.username + "#" + client.user.discriminator));