Everyone ping: Send embed on ping, fixed check

When a user pings the everyone role, they now get an embed explaining
why what they did was wrong.
The ping detection was also fixed to not thing that every message was a
ping (changed form `>=` to `>`).

1 files changed, 29 insertions, 3 deletions

diff --git a/bot/rules/everyone_ping.py b/bot/rules/everyone_ping.py
index bfc400831..65ee1062c 100644
--- a/bot/rules/everyone_ping.py
+++ b/bot/rules/everyone_ping.py
@@ -1,6 +1,14 @@
+import logging
+import textwrap
 from typing import Dict, Iterable, List, Optional, Tuple
 
-from discord import Member, Message
+from discord import Embed, Member, Message
+
+from bot.cogs.moderation.utils import send_private_embed
+from bot.constants import Colours
+
+# For embed sender
+log = logging.getLogger(__name__)
 
 
 async def apply(
@@ -15,10 +23,28 @@ async def apply(
 
     ev_msgs_ct = 0
     for msg in relevant_messages:
-        if '@everyone' in msg.content:
+        if "@everyone" in msg.content:
             ev_msgs_ct += 1
 
-    if ev_msgs_ct >= config['max']:
+    if ev_msgs_ct > config["max"]:
+        # Send the user an embed giving them more info:
+        member_count = "{:,}".format(last_message.guild.member_count).split(
+            ","
+        )[0]
+        embed_text = textwrap.dedent(
+            f"""
+            Hello {last_message.author.display_name}, please don't try to ping {member_count}k people.
+            **It will not have good results.**
+            If you want to know what it would be like, imagine pinging Greenland. Please don't ping Greenland.
+        """
+        )
+        print(embed_text)
+        embed = Embed(
+            title="Everyone Ping Mute Info",
+            colour=Colours.soft_red,
+            description=embed_text,
+        )
+        await send_private_embed(last_message.author, embed)
         return (
             f"pinged the everyone role {ev_msgs_ct} times in {config['interval']}s",
             (last_message.author,),