discord-keyword-bot/bot.py
2020-03-28 08:38:42 +13:00

65 lines
2.5 KiB
Python

import discord
import os
import re
import time
from dotenv import load_dotenv
# https://discordpy.readthedocs.io/en/latest/api.html
class DiscordKeywordBot(discord.Client):
CACHE_TTL = 900
CACHE_DICT = {}
CACHE_NEXT_PURGE = int(time.time()) + (DiscordKeywordBot.CACHE_TTL * 2)
async def on_ready(self):
print('Logged on as', self.user)
async def on_message(self, message):
if message.channel.id == int(os.getenv("SOURCE_CHANNEL")):
if re.match(os.getenv("REGEX_MATCH"), message.content, re.IGNORECASE):
DiscordKeywordBot.cache_purge()
if DiscordKeywordBot.cache_check(message.content):
chan_list = [x.strip() for x in os.getenv("DISCORD_CHANNELS").split(',')]
for channel_id in chan_list:
channel = client.get_channel(int(channel_id))
await channel.send('test: ' + message.content)
def cache_check(msg):
print('Checking cache for: ' + msg)
if msg in DiscordKeywordBot.CACHE_DICT:
""" Has been sent before.. Check TTL """
print('Exists in cache: ' + msg)
if DiscordKeywordBot.CACHE_DICT.get(msg) <= int(time.time()):
""" TTL Expired. """
print('TTL Expired for:' + msg)
DiscordKeywordBot.CACHE_DICT[msg] = (int(time.time()) + DiscordKeywordBot.CACHE_TTL)
return True
else:
""" TTL Not Expired """
print('TTL Not expired: ' + msg)
return False
else:
print('Not in cache: ' + msg)
DiscordKeywordBot.CACHE_DICT[msg] = (int(time.time()) + DiscordKeywordBot.CACHE_TTL)
return True
def cache_purge():
if DiscordKeywordBot.CACHE_NEXT_PURGE <= int(time.time()) :
""" Lets Purge!!! """
print("Total cache older than TTL*2. Purging old records.")
DiscordKeywordBot.CACHE_NEXT_PURGE = (int(time.time()) + (DiscordKeywordBot.CACHE_TTL * 2))
for uniq_msg in DiscordKeywordBot.CACHE_DICT:
if DiscordKeywordBot.CACHE_DICT.get(uniq_msg) <= int(time.time()):
""" If TTL <= now, remove from cache """
DiscordKeywordBot.CACHE_DICT.pop(msg, None)
load_dotenv()
while True:
try:
client = DiscordKeywordBot()
client.run(os.getenv("DISCORD_TOKEN"), bot=False)
except:
print("Error Occurred... retrying")