lnbits-legend/lnbits/extensions/paywall/views_api.py
2023-01-03 23:21:17 +01:00

105 lines
3.4 KiB
Python

from http import HTTPStatus
from fastapi import Depends, Query
from starlette.exceptions import HTTPException
from lnbits.core.crud import get_user, get_wallet
from lnbits.core.services import check_transaction_status, create_invoice
from lnbits.decorators import WalletTypeInfo, get_key_type
from . import paywall_ext
from .crud import create_paywall, delete_paywall, get_paywall, get_paywalls
from .models import CheckPaywallInvoice, CreatePaywall, CreatePaywallInvoice
@paywall_ext.get("/api/v1/paywalls")
async def api_paywalls(
wallet: WalletTypeInfo = Depends(get_key_type), all_wallets: bool = Query(False)
):
wallet_ids = [wallet.wallet.id]
if all_wallets:
user = await get_user(wallet.wallet.user)
wallet_ids = user.wallet_ids if user else []
return [paywall.dict() for paywall in await get_paywalls(wallet_ids)]
@paywall_ext.post("/api/v1/paywalls")
async def api_paywall_create(
data: CreatePaywall, wallet: WalletTypeInfo = Depends(get_key_type)
):
paywall = await create_paywall(wallet_id=wallet.wallet.id, data=data)
return paywall.dict()
@paywall_ext.delete("/api/v1/paywalls/{paywall_id}")
async def api_paywall_delete(
paywall_id, wallet: WalletTypeInfo = Depends(get_key_type)
):
paywall = await get_paywall(paywall_id)
if not paywall:
raise HTTPException(
status_code=HTTPStatus.NOT_FOUND, detail="Paywall does not exist."
)
if paywall.wallet != wallet.wallet.id:
raise HTTPException(
status_code=HTTPStatus.FORBIDDEN, detail="Not your paywall."
)
await delete_paywall(paywall_id)
return "", HTTPStatus.NO_CONTENT
@paywall_ext.post("/api/v1/paywalls/invoice/{paywall_id}")
async def api_paywall_create_invoice(
data: CreatePaywallInvoice, paywall_id: str = Query(None)
):
paywall = await get_paywall(paywall_id)
assert paywall
if data.amount < paywall.amount:
raise HTTPException(
status_code=HTTPStatus.BAD_REQUEST,
detail=f"Minimum amount is {paywall.amount} sat.",
)
try:
amount = data.amount if data.amount > paywall.amount else paywall.amount
payment_hash, payment_request = await create_invoice(
wallet_id=paywall.wallet,
amount=amount,
memo=f"{paywall.memo}",
extra={"tag": "paywall"},
)
except Exception as e:
raise HTTPException(status_code=HTTPStatus.INTERNAL_SERVER_ERROR, detail=str(e))
return {"payment_hash": payment_hash, "payment_request": payment_request}
@paywall_ext.post("/api/v1/paywalls/check_invoice/{paywall_id}")
async def api_paywal_check_invoice(
data: CheckPaywallInvoice, paywall_id: str = Query(None)
):
paywall = await get_paywall(paywall_id)
payment_hash = data.payment_hash
if not paywall:
raise HTTPException(
status_code=HTTPStatus.NOT_FOUND, detail="Paywall does not exist."
)
try:
status = await check_transaction_status(paywall.wallet, payment_hash)
is_paid = not status.pending
except Exception:
return {"paid": False}
if is_paid:
wallet = await get_wallet(paywall.wallet)
assert wallet
payment = await wallet.get_payment(payment_hash)
assert payment
await payment.set_pending(False)
return {"paid": True, "url": paywall.url, "remembers": paywall.remembers}
return {"paid": False}