Add cooldown for Löh

bot.py

@@ -3,6 +3,7 @@ import json
 import os
 import random
 import re
+import time
 from typing import Optional
 
 import discord
@@ -40,8 +41,10 @@ SIP_ID = 327126546970312739
 
 config: dict = {
     'loeh-timeout': 10,
+    'loeh-cooldown': 20,
     'prefix': 'och!'
 }
+last_loeh = 0
 
 
 def load_config() -> dict:
@@ -76,11 +79,19 @@ async def on_ready():
 
 @bot.event
 async def on_message(message: discord.Message):
+    global last_loeh, config
     if not message.author.bot:
         if LOEH_REGEX.match(message.content):
             if message.author.id == LOEH_ID:
                 await message.channel.send("https://siphalor.de/img/spidy-is-that-you.jpg")
             else:
+                t = time.time()
+                if t - config['loeh-cooldown'] <= last_loeh:
+                    await message.channel.send('Don\'t try this to often, **' + message.author.nick +
+                                               '**. That might backfire.')
+                    last_loeh = t
+                    return
+                last_loeh = t
                 loeh = await get_loeh(message.guild)
                 if loeh is None:
                     await message.channel.send('404: Löh not found!')
@@ -133,7 +144,8 @@ async def config_prefix_command(ctx: commands.Context, cmd: str = '', key: str =
     elif cmd == 'list':
         await ctx.send('Available config options:\n'
                        ' - `prefix`: Set the bot prefix\n'
-                       ' - `loeh-timeout`: The timeout for Löh')
+                       ' - `loeh-timeout`: The timeout for Löh in seconds'
+                       ' - `loeh-cooldown`: Number of seconds between timeouts')
     elif cmd == 'get':
         if key in config:
             await ctx.send('`' + key + '` is set to ' + str(config.get(key)))
@@ -145,6 +157,8 @@ async def config_prefix_command(ctx: commands.Context, cmd: str = '', key: str =
                 config['prefix'] = val
             elif key == 'loeh-timeout':
                 config['loeh-timeout'] = int(val)
+            elif key == 'loeh-cooldown':
+                config['loeh-cooldown'] = int(val)
             save_config()
             await ctx.send('Config successfully updated')
         except (ValueError, TypeError):