From 8887d035433369632dd84c2f92577b0f2fcde4ef Mon Sep 17 00:00:00 2001
From: Twentysix <Twentysix26@users.noreply.github.com>
Date: Sat, 20 May 2017 17:17:02 +0200
Subject: [PATCH] [Mod] Check for filtered words on message edit

As proposed in #767
---
 cogs/mod.py | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/cogs/mod.py b/cogs/mod.py
index ad731da66..d18646b5f 100644
--- a/cogs/mod.py
+++ b/cogs/mod.py
@@ -1595,6 +1595,18 @@ class Mod:
         if not deleted:
             deleted = await self.check_mention_spam(message)
 
+    async def on_message_edit(self, _, message):
+        author = message.author
+        if message.server is None or self.bot.user == author:
+            return
+
+        valid_user = isinstance(author, discord.Member) and not author.bot
+
+        if not valid_user or self.is_mod_or_superior(message):
+            return
+
+        await self.check_filter(message)
+
     async def on_member_ban(self, member):
         server = member.server
         if not self.temp_cache.check(member, server, "BAN"):