From d3587381cc9eb0d45e3b04c0ae57c9ec508c60a9 Mon Sep 17 00:00:00 2001
From: Valerie <valerie@rose-haven.org>
Date: Sat, 22 Feb 2025 20:29:52 -0500
Subject: [PATCH] Create and add filter

---
 filter/filter.py | 75 ++++++++++++++++++++++++++++++++++++++++++++++++
 filter/info.json |  9 ++++++
 2 files changed, 84 insertions(+)
 create mode 100644 filter/filter.py
 create mode 100644 filter/info.json

diff --git a/filter/filter.py b/filter/filter.py
new file mode 100644
index 0000000..5a7528d
--- /dev/null
+++ b/filter/filter.py
@@ -0,0 +1,75 @@
+import discord
+import json
+import re
+from redbot.core import commands, Config
+
+class FilterCog(commands.Cog):
+    def __init__(self, bot):
+        self.bot = bot
+        self.config = Config.get_conf(self, identifier=1234567890)
+        self.config.register_global(
+            phrases=[],
+            words=[],
+            standAloneWords=[],
+            targetChannelId=None,
+            logChannelId=None,
+            deleteFromBots=False,
+            deleteFromUsers=True,
+            targetChannelOnly=False,
+            logFiltered=False,
+            ignorePrivateMessages=True,
+            caseSensitive=False,
+            muteAfterOffense=False,
+            muteAfterOffenseType="mute",
+            muteAfterOffenseMinutes=10,
+            muteAfterOffenseNumber=3,
+            offenseExpireMinutes=60
+        )
+
+    async def send_log(self, log_channel_id, message):
+        log_channel = self.bot.get_channel(log_channel_id)
+        if log_channel:
+            embed = discord.Embed(title="Log", description=message, color=0x00ff00)
+            await log_channel.send(embed=embed)
+
+    @commands.Cog.listener()
+    async def on_message(self, message):
+        if message.author.bot:
+            return
+
+        config = await self.config.all()
+        
+        if config["targetChannelOnly"] and message.channel.id != config["targetChannelId"]:
+            return
+
+        triggers = config["phrases"] + config["words"]
+        standalone_triggers = [rf"\b{word}\b" for word in config["standAloneWords"]]
+
+        if any(trigger.lower() in message.content.lower() for trigger in triggers) or \
+           any(re.search(trigger, message.content, re.IGNORECASE) for trigger in standalone_triggers):
+            try:
+                await message.delete()
+                log_message = f"Deleted message from user **{message.author.name}** (ID: {message.author.id}) due to inappropriate content."
+                await message.channel.send(f"{message.author.mention}, your message was removed due to inappropriate content.")
+                if config["logFiltered"]:
+                    await self.send_log(config["logChannelId"], log_message)
+            except discord.errors.Forbidden:
+                print("Missing permissions to delete messages.")
+
+    @commands.command()
+    async def addword(self, ctx, *, word: str):
+        async with self.config.words() as words:
+            words.append(word)
+        await ctx.send(f"Added `{word}` to the filter list.")
+
+    @commands.command()
+    async def removeword(self, ctx, *, word: str):
+        async with self.config.words() as words:
+            if word in words:
+                words.remove(word)
+                await ctx.send(f"Removed `{word}` from the filter list.")
+            else:
+                await ctx.send(f"`{word}` was not found in the filter list.")
+
+async def setup(bot):
+    await bot.add_cog(FilterCog(bot))
diff --git a/filter/info.json b/filter/info.json
new file mode 100644
index 0000000..772d4c8
--- /dev/null
+++ b/filter/info.json
@@ -0,0 +1,9 @@
+{
+    "author": ["Valerie"],
+    "description": "A moderation cog that filters messages based on configured word lists.",
+    "install_msg": "Thanks for installing the Filter Cog! Use `[p]help FilterCog` to get started.",
+    "short": "Message filtering moderation cog.",
+    "requirements": [],
+    "tags": ["moderation", "filter", "messages"],
+    "type": "COG"
+}