318 lines
13 KiB
Python
318 lines
13 KiB
Python
#!/usr/bin/env python3
|
|
import os
|
|
import asyncio
|
|
import json
|
|
import io
|
|
import requests
|
|
import logging
|
|
from datetime import datetime
|
|
from dateutil.relativedelta import relativedelta
|
|
from dotenv import load_dotenv
|
|
|
|
import discord
|
|
from discord import File, Embed
|
|
from discord.ext import commands
|
|
|
|
import websockets
|
|
|
|
from sqlalchemy import (
|
|
create_engine, Column, String, Integer, DateTime, Text, Enum, ForeignKey
|
|
)
|
|
from sqlalchemy.ext.declarative import declarative_base
|
|
from sqlalchemy.orm import sessionmaker, relationship
|
|
|
|
from apscheduler.schedulers.asyncio import AsyncIOScheduler
|
|
|
|
# ─── Logging ──────────────────────────────────────────────────────────────────
|
|
logging.basicConfig(
|
|
level=logging.INFO,
|
|
format="%(asctime)s %(levelname)s %(name)s | %(message)s"
|
|
)
|
|
logger = logging.getLogger("discord_lnbits_bot")
|
|
|
|
# ─── Load minimal .env & DB setup ─────────────────────────────────────────────
|
|
load_dotenv() # for DATABASE_URL only
|
|
DATABASE_URL = os.getenv("DATABASE_URL")
|
|
if not DATABASE_URL:
|
|
logger.critical("Environment variable DATABASE_URL is missing.")
|
|
exit(1)
|
|
|
|
engine = create_engine(DATABASE_URL, future=True)
|
|
SessionLocal = sessionmaker(bind=engine, expire_on_commit=False)
|
|
Base = declarative_base()
|
|
|
|
# ─── ORM Models ───────────────────────────────────────────────────────────────
|
|
class Config(Base):
|
|
__tablename__ = "config"
|
|
key = Column(String, primary_key=True)
|
|
value = Column(Text, nullable=False)
|
|
|
|
class Plan(Base):
|
|
__tablename__ = "plans"
|
|
id = Column(Integer, primary_key=True)
|
|
name = Column(Text, nullable=False, unique=True)
|
|
command_name = Column(Text, nullable=False, unique=True)
|
|
role_id = Column(String(64), nullable=False)
|
|
channel_id = Column(String(64), nullable=False)
|
|
price_sats = Column(Integer, nullable=False)
|
|
invoice_message = Column(Text, nullable=False)
|
|
expiry_type = Column(Enum("fixed_date","rolling_days","calendar_month", name="expiry_type"), nullable=False)
|
|
duration_days = Column(Integer, default=30)
|
|
subs = relationship("Subscription", back_populates="plan")
|
|
|
|
class Subscription(Base):
|
|
__tablename__ = "subscriptions"
|
|
id = Column(Integer, primary_key=True)
|
|
plan_id = Column(Integer, ForeignKey("plans.id"), nullable=False)
|
|
user_id = Column(String(64), nullable=False)
|
|
invoice_hash = Column(String(256), unique=True, nullable=False)
|
|
invoice_request = Column(Text, nullable=False)
|
|
status = Column(Enum("pending","active","expired","cancelled", name="sub_status"), nullable=False, default="pending")
|
|
created_at = Column(DateTime, default=datetime.utcnow)
|
|
paid_at = Column(DateTime)
|
|
expires_at = Column(DateTime)
|
|
role_assigned_at = Column(DateTime)
|
|
role_removed_at = Column(DateTime)
|
|
raw_invoice_json = Column(Text)
|
|
raw_payment_json = Column(Text)
|
|
plan = relationship("Plan", back_populates="subs")
|
|
|
|
Base.metadata.create_all(engine)
|
|
logger.info("✅ Database schema ready.")
|
|
|
|
# ─── Config helper ────────────────────────────────────────────────────────────
|
|
def get_cfg(key: str) -> str:
|
|
session = SessionLocal()
|
|
cfg = session.get(Config, key)
|
|
session.close()
|
|
return cfg.value if cfg else ""
|
|
|
|
# Read core settings from DB
|
|
DISCORD_TOKEN = get_cfg("discord_token")
|
|
GUILD_ID = int(get_cfg("guild_id") or 0)
|
|
LNBITS_URL = get_cfg("lnbits_url")
|
|
LNBITS_API_KEY = get_cfg("lnbits_api_key")
|
|
|
|
# Validate
|
|
for var_name, val in [
|
|
("discord_token", DISCORD_TOKEN),
|
|
("guild_id", GUILD_ID),
|
|
("lnbits_url", LNBITS_URL),
|
|
("lnbits_api_key", LNBITS_API_KEY),
|
|
]:
|
|
if not val:
|
|
logger.critical(f"Config key '{var_name}' is missing or empty in DB.")
|
|
exit(1)
|
|
|
|
# Build WebSocket URL
|
|
if LNBITS_URL.startswith("https://"):
|
|
ws_base = LNBITS_URL.replace("https://", "wss://", 1)
|
|
elif LNBITS_URL.startswith("http://"):
|
|
ws_base = LNBITS_URL.replace("http://", "ws://", 1)
|
|
else:
|
|
logger.critical("LNBITS_URL must start with http:// or https://")
|
|
exit(1)
|
|
LNBITS_WS_URL = f"{ws_base}/api/v1/ws/{LNBITS_API_KEY}"
|
|
|
|
# ─── Discord Bot Setup ────────────────────────────────────────────────────────
|
|
intents = discord.Intents.default()
|
|
intents.members = True
|
|
bot = commands.Bot(command_prefix="!", intents=intents)
|
|
|
|
# ─── Utility: expiry computation ───────────────────────────────────────────────
|
|
def compute_expiry(paid_at: datetime, plan: Plan) -> datetime:
|
|
if plan.expiry_type == "calendar_month":
|
|
first = paid_at.replace(day=1, hour=0, minute=0, second=0, microsecond=0)
|
|
return first + relativedelta(months=1)
|
|
elif plan.expiry_type == "rolling_days":
|
|
return paid_at + relativedelta(days=plan.duration_days)
|
|
else: # fixed_date
|
|
return paid_at # assume UI sets exact expires_at elsewhere
|
|
|
|
# ─── Handle a plan purchase ───────────────────────────────────────────────────
|
|
async def handle_plan_purchase(interaction: discord.Interaction, plan: Plan):
|
|
invoice_ch = bot.get_channel(int(plan.channel_id))
|
|
if not invoice_ch:
|
|
return await interaction.response.send_message(
|
|
"❌ Invoice channel not found.", ephemeral=True
|
|
)
|
|
|
|
invoice_data = {
|
|
"out": False,
|
|
"amount": plan.price_sats,
|
|
"memo": plan.invoice_message
|
|
}
|
|
headers = {
|
|
"X-Api-Key": LNBITS_API_KEY,
|
|
"Content-Type": "application/json"
|
|
}
|
|
|
|
loop = asyncio.get_running_loop()
|
|
def create_invoice():
|
|
resp = requests.post(
|
|
f"{LNBITS_URL}/api/v1/payments",
|
|
json=invoice_data,
|
|
headers=headers,
|
|
timeout=10
|
|
)
|
|
resp.raise_for_status()
|
|
return resp.json()
|
|
|
|
try:
|
|
inv = await loop.run_in_executor(None, create_invoice)
|
|
except Exception:
|
|
logger.exception("Invoice creation failed")
|
|
return await interaction.response.send_message(
|
|
"❌ Failed to generate invoice. Try again later.",
|
|
ephemeral=True
|
|
)
|
|
|
|
pay_req = inv["bolt11"]
|
|
pay_hash = inv["payment_hash"]
|
|
|
|
# Store pending subscription
|
|
db = SessionLocal()
|
|
sub = Subscription(
|
|
plan_id = plan.id,
|
|
user_id = str(interaction.user.id),
|
|
invoice_hash = pay_hash,
|
|
invoice_request = pay_req,
|
|
raw_invoice_json= json.dumps(inv)
|
|
)
|
|
db.add(sub)
|
|
db.commit()
|
|
db.close()
|
|
logger.info(f"Stored pending subscription {pay_hash} for user {interaction.user.id}")
|
|
|
|
# Generate QR code
|
|
def make_qr_buf():
|
|
img = requests.compat.BytesIO()
|
|
qrcode.make(pay_req).save(img, format="PNG")
|
|
img.seek(0)
|
|
return img
|
|
|
|
qr_buf = await loop.run_in_executor(None, make_qr_buf)
|
|
qr_file = File(qr_buf, filename="invoice.png")
|
|
|
|
embed = Embed(
|
|
title=f"⚡ Pay {plan.price_sats} sats for {plan.name} ⚡",
|
|
description=plan.invoice_message,
|
|
color=discord.Color.gold()
|
|
)
|
|
embed.add_field(name="Invoice", value=f"```{pay_req}```", inline=False)
|
|
embed.set_image(url="attachment://invoice.png")
|
|
embed.set_footer(text=f"Hash: {pay_hash}")
|
|
|
|
await invoice_ch.send(content=interaction.user.mention, embed=embed, file=qr_file)
|
|
await interaction.response.send_message(
|
|
f"✅ Invoice posted in {invoice_ch.mention}", ephemeral=True
|
|
)
|
|
|
|
# ─── WebSocket listener for payments ──────────────────────────────────────────
|
|
async def lnbits_ws_listener():
|
|
await bot.wait_until_ready()
|
|
logger.info(f"Listening to LNbits WS at {LNBITS_WS_URL}")
|
|
while True:
|
|
try:
|
|
async with websockets.connect(LNBITS_WS_URL) as ws:
|
|
async for msg in ws:
|
|
try:
|
|
data = json.loads(msg)
|
|
pay = data.get("payment", {})
|
|
hsh = pay.get("checking_id") or pay.get("payment_hash")
|
|
if not (hsh and pay.get("status") == "success"):
|
|
continue
|
|
|
|
# Activate subscription
|
|
db = SessionLocal()
|
|
sub = db.query(Subscription)\
|
|
.filter_by(invoice_hash=hsh, status="pending")\
|
|
.first()
|
|
if not sub:
|
|
db.close()
|
|
continue
|
|
|
|
paid_at = datetime.utcnow()
|
|
expires_at = compute_expiry(paid_at, sub.plan)
|
|
|
|
sub.status = "active"
|
|
sub.paid_at = paid_at
|
|
sub.expires_at = expires_at
|
|
sub.raw_payment_json = json.dumps(pay)
|
|
db.commit()
|
|
db.close()
|
|
|
|
# Assign role & announce
|
|
guild = bot.get_guild(GUILD_ID)
|
|
member = guild.get_member(int(sub.user_id)) or await guild.fetch_member(int(sub.user_id))
|
|
role = guild.get_role(int(sub.plan.role_id))
|
|
chan = bot.get_channel(int(sub.plan.channel_id))
|
|
|
|
await member.add_roles(role, reason="Subscription paid")
|
|
await chan.send(
|
|
f"🎉 {member.mention} paid **{sub.plan.price_sats} sats**"
|
|
f" for **{sub.plan.name}**! Expires {expires_at:%Y-%m-%d}."
|
|
)
|
|
except Exception:
|
|
logger.exception("Error processing WS message")
|
|
except Exception:
|
|
logger.exception("WS connection error, retry in 10s")
|
|
await asyncio.sleep(10)
|
|
|
|
# ─── Cleanup expired subscriptions ─────────────────────────────────────────────
|
|
async def cleanup_expired():
|
|
now = datetime.utcnow()
|
|
db = SessionLocal()
|
|
expired = db.query(Subscription)\
|
|
.filter(Subscription.status=="active", Subscription.expires_at <= now)\
|
|
.all()
|
|
for sub in expired:
|
|
guild = bot.get_guild(GUILD_ID)
|
|
member = guild.get_member(int(sub.user_id))
|
|
role = guild.get_role(int(sub.plan.role_id))
|
|
if member and role in member.roles:
|
|
try:
|
|
await member.remove_roles(role, reason="Subscription expired")
|
|
sub.status = "expired"
|
|
sub.role_removed_at = now
|
|
db.commit()
|
|
logger.info(f"Removed {role.name} from {member.display_name}")
|
|
except Exception:
|
|
logger.exception("Failed to remove expired role")
|
|
db.close()
|
|
|
|
# ─── on_ready: dynamic commands + start jobs ──────────────────────────────────
|
|
@bot.event
|
|
async def on_ready():
|
|
logger.info(f"Logged in as {bot.user} (ID: {bot.user.id})")
|
|
|
|
# Register commands for each plan
|
|
db = SessionLocal()
|
|
plans = db.query(Plan).all()
|
|
for plan in plans:
|
|
@bot.tree.command(name=plan.command_name, description=f"Buy {plan.name}")
|
|
async def _cmd(interaction: discord.Interaction, plan=plan):
|
|
await handle_plan_purchase(interaction, plan)
|
|
db.close()
|
|
await bot.tree.sync()
|
|
|
|
# Start WS listener
|
|
bot.loop.create_task(lnbits_ws_listener())
|
|
|
|
# Schedule cleanup daily at midnight UTC
|
|
scheduler = AsyncIOScheduler(timezone="UTC")
|
|
scheduler.add_job(cleanup_expired, "cron", hour=0, minute=0)
|
|
scheduler.start()
|
|
|
|
# ─── Entry point ───────────────────────────────────────────────────────────────
|
|
if __name__ == "__main__":
|
|
# Seed Config table with required keys if missing
|
|
session = SessionLocal()
|
|
for key in ("discord_token","guild_id","lnbits_url","lnbits_api_key"):
|
|
if not session.get(Config, key):
|
|
session.add(Config(key=key, value=""))
|
|
session.commit()
|
|
session.close()
|
|
|
|
bot.run(DISCORD_TOKEN)
|