From fc427fd008df3ed4c85dca2aa0fbd3c4efc06f19 Mon Sep 17 00:00:00 2001
From: Mylloon <kennel.anri@tutanota.com>
Date: Tue, 26 Jul 2022 21:45:21 +0200
Subject: [PATCH] check if message exists

---
 src/events/message/messageCreate.ts | 70 +++++++++++++++++------------
 1 file changed, 41 insertions(+), 29 deletions(-)

diff --git a/src/events/message/messageCreate.ts b/src/events/message/messageCreate.ts
index b84ee0a..46f73c8 100644
--- a/src/events/message/messageCreate.ts
+++ b/src/events/message/messageCreate.ts
@@ -1,7 +1,7 @@
-import { GuildBasedChannel, Message } from 'discord.js';
+import { Message, TextBasedChannel } from 'discord.js';
 
 /** https://discord.js.org/#/docs/discord.js/main/class/Client?scrollTo=e-messageCreate */
-export default (message: Message) => {
+export default async (message: Message) => {
 	// Ignore message if
 	if (
 		// Author is a bot
@@ -28,37 +28,49 @@ export default (message: Message) => {
 	}
 
 	const messages = (
-		urls.reduce(
-			(data: {
-				message_id: string;
-				found_channel: GuildBasedChannel;
-			}[] = [], match) => {
-				const [,
-					guild_id,
-					channel_id,
-					message_id,
-				] = new RegExp(regex).exec(match) as RegExpExecArray;
+		await Promise.all(
+			urls.reduce(
+				(data: {
+					message_id: string;
+					channel: TextBasedChannel;
+				}[] = [], match) => {
+					const [,
+						guild_id,
+						channel_id,
+						message_id,
+					] = new RegExp(regex).exec(match) as RegExpExecArray;
+
+					// If message posted in another guild
+					if (guild_id !== message.guild?.id) {
+						return data;
+					}
+
+					const channel =
+						message.guild.channels.cache.get(channel_id) as TextBasedChannel;
+
+					// If channel doesn't exist in the guild and isn't text
+					if (!channel) {
+						return data;
+					}
+
+					data.push({ message_id, channel });
 
-				// If message posted in another guild
-				if (guild_id !== message.guild?.id) {
 					return data;
+				}, []
+			).map(async ({ message_id, channel }) => {
+				const quoted_message = await channel.messages
+					.fetch(message_id)
+					.catch(() => undefined);
+
+				// If message doesn't exist or empty
+				if (!quoted_message || (!quoted_message.content && quoted_message.attachments.size == 0)) {
+					return;
 				}
 
-				const found_channel =
-					message.guild.channels.cache.get(channel_id);
-
-				// If channel doesn't exist in the guild
-				if (!found_channel) {
-					return data;
-				}
-
-				data.push({ message_id, found_channel });
-
-				return data;
-			},
-			[]
+				return quoted_message;
+			})
 		)
-	);
+	// Remove undefined elements
+	).filter(Boolean);
 
-	console.log(messages);
 };