From eac88a650137924681943c0dac9d567236e9a578 Mon Sep 17 00:00:00 2001
From: Norberto A <41595007+Limesey@users.noreply.github.com>
Date: Sun, 24 May 2020 16:54:43 +0100
Subject: [PATCH] Discord embed limitiations

Added embed limitations warnings & cut limit exceeding strings.
---
 RoHook.lua | 38 +++++++++++++++++++++++++++++++++++++-
 1 file changed, 37 insertions(+), 1 deletion(-)

diff --git a/RoHook.lua b/RoHook.lua
index a3bd9f1..259b87c 100644
--- a/RoHook.lua
+++ b/RoHook.lua
@@ -54,7 +54,11 @@ local function getAvatar()
 end
 
 function module.newMessage(message)
-	message = message
+	
+	if(message and string.len(message) > 2000) then
+		warn("A message cannot be longer than 2000 characters.")
+		message = string.sub(message, 1, 2000)
+	end
 	
 	local content = {
 		content = message,
@@ -99,6 +103,16 @@ function module.newMessage(message)
 			 timestamp  = "" --"YYYY-MM-DDTHH:MM:SS.MSSZ"
 		}
 		
+		if(title and string.len(title) > 256) then
+			warn("Title cannot be longer than 265 characters.")
+			title = string.sub(title, 1, 256)
+		end
+		
+		if(description and string.len(description > 2048)) then
+			warn("Description cannot be longer than 2048 characters.")
+			description = string.sub(description, 1, 2048)
+		end
+		
 		table.insert(content.embeds, embed)
 		
 		function embed.setColor(rgb)
@@ -107,6 +121,17 @@ function module.newMessage(message)
 		
 		function embed.addField(name, value, inline)
 			if(not name or not value) then error("Name and value cannot be nil") end
+			
+			if(string.len(name) > 256) then
+				warn("Field name cannot be longer than 256 characters.")
+				name = string.sub(name, 1, 256)
+			end
+			
+			if(string.len(value) > 1024) then
+				warn("Field value cannot be longer than 1024 characters.")
+				value = string.sub(value, 1, 1024)
+			end
+			
 			inline = inline or false
 			
 			local field = {
@@ -121,6 +146,12 @@ function module.newMessage(message)
 		
 		function embed.setAuthor(name, url, icon_url)
 			if(not name and icon_url) then error("Name cannot be nil") end
+			
+			if(string.len(name) > 256) then
+				warn("Author name cannot be longer than 256 characters.")
+				name = string.sub(name, 1, 256)
+			end
+			
 			embed.author.name = name
 			embed.author.url = url
 			embed.author.icon_url = icon_url
@@ -141,6 +172,11 @@ function module.newMessage(message)
 		function embed.setFooter(text, url)
 			if(not text) then error("Text cannot be nil!") end
 			
+			if(string.len(text) > 2048) then
+				warn("Footer text cannot be longer than 2048 characters.")
+				text = string.sub(text, 1, 2048)
+			end
+			
 			embed.footer.text = text
 			embed.footer.icon_url = url
 		end