import json
import re
# needs the following version of discord.py for recurring events to work: https://github.com/DA-344/d.py/tree/recurrent_events
# uncomment following lines
# import sys
# sys.path.insert(1, '/path/to/Posthorn/vendor/d.py')
import discord
from discord.ext import commands, tasks
from dotenv import load_dotenv
from os import getenv
from github_connector import create_or_update_file, delete_file, similar_exists
load_dotenv("./.env")
DISCORD_TOKEN = getenv("DISCORD_TOKEN")
# Intents are required to listen to events like messages
intents = discord.Intents.default()
intents.message_content = True
intents.members = True
intents.reactions = True
intents.dm_messages = True
# Create an instance of the Bot
bot = commands.Bot(command_prefix="!", intents=intents)
def getCommitMessage(event):
return f"{event.start_time.strftime('%Y-%m-%d')}_{event.name}"
def getFilePath(event):
return f"_events/{event.start_time.strftime('%Y')}/discord-event-{event.id}.md"
def getDay(day):
match day:
case 0:
return 'MO'
case 1:
return 'TU'
case 2:
return 'WE'
case 3:
return 'TH'
case 4:
return 'FR'
case 5:
return 'SA'
case 6:
return 'SU'
case _:
raise Exception(f'no matching day for int {day}')
def getRrule(event):
byDay = False
if hasattr(event.recurrence_rule, "n_weekdays"):
weekdays = event.recurrence_rule.n_weekdays
i = 0
for week, day in weekdays:
comma = ''
if i < len(weekdays) - 1:
comma = ','
byDay = f'{str(week)}{getDay(day)}{comma}'
i += 1
if byDay:
return f"FREQ={event.recurrence_rule.frequency.name.upper()};INTERVAL={event.recurrence_rule.interval};BYDAY={byDay}"
else:
return f"FREQ={event.recurrence_rule.frequency.name.upper()};INTERVAL={event.recurrence_rule.interval}"
def getEventYML(event):
location = "Leibnizstraรe 32, 39104 Magdeburg"
if hasattr(event, 'location'):
location = event.location
if hasattr(event, "recurrence_rule") and hasattr(event.recurrence_rule, "frequency") and hasattr(event.recurrence_rule, "interval"):
return f'---\nlayout: event\ntitle: "{event.name}"\nauthor: "Netz39 e.V." \nevent:\n start: {event.start_time.strftime("%Y-%m-%d %H:%M:%S")} \n end: {event.end_time.strftime("%Y-%m-%d %H:%M:%S")} \n organizer: "Netz39 Team <kontakt@netz39.de>" \n location: "{location}"\n rrule: "{getRrule(event)}"\n---\n<!-- event imported from discord manual changes may be overwritten -->\n{event.description}'
else:
return f'---\nlayout: event\ntitle: "{event.name}"\nauthor: "Netz39 e.V." \nevent:\n start: {event.start_time.strftime("%Y-%m-%d %H:%M:%S")} \n end: {event.end_time.strftime("%Y-%m-%d %H:%M:%S")} \n organizer: "Netz39 Team <kontakt@netz39.de>" \n location: "{location}"\n---\n<!-- event imported from discord manual changes may be overwritten -->\n{event.description}'
def getAdmins(guild):
admins = []
for member in guild.members:
if member.guild_permissions.administrator:
admins.append(member.id)
return admins
@tasks.loop(hours=24) # Runs every 7 days
async def check_events():
await bot.wait_until_ready()
for guild in bot.guilds:
scheduledEvents = await guild.fetch_scheduled_events()
for event in scheduledEvents:
await handleEvent(event, True)
async def handleEvent(event, isUpdate = False):
guild = event.guild
channel = guild.system_channel
admins = getAdmins(guild)
eventYML = getEventYML(event)
file_path = getFilePath(event)
commit_message = getCommitMessage(event)
if event.creator_id in admins or similar_exists(event.name):
create_or_update_file(
file_path,
eventYML,
f"new event: {commit_message}",
)
if not isUpdate:
embed = discord.Embed(
title=f"๐
New event on {event.start_time.strftime('%Y-%m-%d')}",
description=f"### {event.name}\n\n{event.description}\n\n",
color=discord.Color.light_embed()
)
if hasattr(event, "cover_image") and event.cover_image:
embed.set_image(url=event.cover_image.url)
embed.add_field(name="๐
Time", value=event.start_time.strftime("%Y-%m-%d %HUhr"), inline=True)
if hasattr(event, 'location'):
embed.add_field(name="๐ Location", value=event.location, inline=True)
eventLink = f"[๐ Netz39](https://www.netz39.de/events/2025/discord-event-{event.id})";
embed.add_field(value=eventLink, name="", inline=False)
embed.set_footer(text="Donโt miss it! ")
await channel.send(embed=embed)
else:
eventJSON = json.dumps(
{
"yml": eventYML,
"path": file_path,
"fileName": commit_message,
"name": event.name,
"date": event.start_time.strftime("%Y-%m-%d"),
},
indent=2,
)
for admin in admins:
user = await bot.fetch_user(event.creator_id)
await sendDm(
admin,
f"{user.name} added a new Event on {event.start_time.strftime('%Y')}: {event.name}. Like this message to approve.\n\n\n```json\n{eventJSON}```",
)
# Event: When the bot is ready
@bot.event
async def on_ready():
print(f"Logged in as {discord.user}")
# Command: !hello
@bot.command()
async def hello(ctx):
await ctx.send(
"Hello, I am a bot to add events from discord to the Netz39 calendar on the website!"
)
@bot.event
async def on_ready():
print(f"Logged in as {bot.user}")
for guild in bot.guilds:
system_channel = guild.system_channel
if system_channel:
await system_channel.send("Hello everyone! I'm online and ready to go! ๐
")
await check_events()
@bot.event
async def on_scheduled_event_update(before, after):
if after.status != "canceled":
await handleEvent(after, True)
@bot.event
async def on_scheduled_event_create(event):
await handleEvent(event)
async def sendDm(userID, message):
user = await bot.fetch_user(userID)
await user.send(message)
@bot.event
async def on_reaction_add(reaction, user):
message = reaction.message
channel = message.channel
guild = message.guild
admins = getAdmins(guild)
if not user.id in admins:
return # Ignore non-maintainers
if user.bot:
return # Ignore bot reactions
if (
isinstance(message.channel, discord.DMChannel) and message.author.bot
): # Check if it's a DM and from the bot
if reaction.emoji == "๐":
messageJSON = json.loads(
re.search(
"(?s)(?<=```json).*?(?=```)", reaction.message.content
).group()
)
create_or_update_file(
messageJSON["path"],
messageJSON["yml"],
f"new event: {messageJSON['fileName']}",
)
await channel.send(
f"๐
New event '{messageJSON['name']}' on {messageJSON['date']}."
)
@bot.event
async def on_scheduled_event_delete(event):
delete_file(getFilePath(event))
guild = event.guild
channel = guild.system_channel
await channel.send(f"โ Event has been canceled: {event.name}")
bot.run(DISCORD_TOKEN)