lnbits-legend/lnbits/extensions/invoices/views_api.py
2023-01-04 22:49:10 +01:00

134 lines
4.4 KiB
Python

from http import HTTPStatus
from fastapi import Depends, HTTPException, Query
from loguru import logger
from lnbits.core.crud import get_user
from lnbits.core.services import create_invoice
from lnbits.core.views.api import api_payment
from lnbits.decorators import WalletTypeInfo, get_key_type
from lnbits.utils.exchange_rates import fiat_amount_as_satoshis
from . import invoices_ext
from .crud import (
create_invoice_internal,
create_invoice_items,
get_invoice,
get_invoice_items,
get_invoice_payments,
get_invoice_total,
get_invoices,
get_payments_total,
update_invoice_internal,
update_invoice_items,
)
from .models import CreateInvoiceData, UpdateInvoiceData
@invoices_ext.get("/api/v1/invoices", status_code=HTTPStatus.OK)
async def api_invoices(
all_wallets: bool = Query(None), wallet: WalletTypeInfo = Depends(get_key_type)
):
wallet_ids = [wallet.wallet.id]
if all_wallets:
user = await get_user(wallet.wallet.user)
wallet_ids = user.wallet_ids if user else []
return [invoice.dict() for invoice in await get_invoices(wallet_ids)]
@invoices_ext.get("/api/v1/invoice/{invoice_id}", status_code=HTTPStatus.OK)
async def api_invoice(invoice_id: str):
invoice = await get_invoice(invoice_id)
if not invoice:
raise HTTPException(
status_code=HTTPStatus.NOT_FOUND, detail="Invoice does not exist."
)
invoice_items = await get_invoice_items(invoice_id)
invoice_payments = await get_invoice_payments(invoice_id)
payments_total = await get_payments_total(invoice_payments)
invoice_dict = invoice.dict()
invoice_dict["items"] = invoice_items
invoice_dict["payments"] = payments_total
return invoice_dict
@invoices_ext.post("/api/v1/invoice", status_code=HTTPStatus.CREATED)
async def api_invoice_create(
data: CreateInvoiceData, wallet: WalletTypeInfo = Depends(get_key_type)
):
invoice = await create_invoice_internal(wallet_id=wallet.wallet.id, data=data)
items = await create_invoice_items(invoice_id=invoice.id, data=data.items)
invoice_dict = invoice.dict()
invoice_dict["items"] = items
return invoice_dict
@invoices_ext.post("/api/v1/invoice/{invoice_id}", status_code=HTTPStatus.OK)
async def api_invoice_update(
data: UpdateInvoiceData,
invoice_id: str,
wallet: WalletTypeInfo = Depends(get_key_type),
):
invoice = await update_invoice_internal(wallet_id=wallet.wallet.id, data=data)
items = await update_invoice_items(invoice_id=invoice.id, data=data.items)
invoice_dict = invoice.dict()
invoice_dict["items"] = items
return invoice_dict
@invoices_ext.post(
"/api/v1/invoice/{invoice_id}/payments", status_code=HTTPStatus.CREATED
)
async def api_invoices_create_payment(invoice_id: str, famount: int = Query(..., ge=1)):
invoice = await get_invoice(invoice_id)
invoice_items = await get_invoice_items(invoice_id)
invoice_total = await get_invoice_total(invoice_items)
invoice_payments = await get_invoice_payments(invoice_id)
payments_total = await get_payments_total(invoice_payments)
if payments_total + famount > invoice_total:
raise HTTPException(
status_code=HTTPStatus.BAD_REQUEST, detail="Amount exceeds invoice due."
)
if not invoice:
raise HTTPException(
status_code=HTTPStatus.NOT_FOUND, detail="Invoice does not exist."
)
price_in_sats = await fiat_amount_as_satoshis(famount / 100, invoice.currency)
try:
payment_hash, payment_request = await create_invoice(
wallet_id=invoice.wallet,
amount=price_in_sats,
memo=f"Payment for invoice {invoice_id}",
extra={"tag": "invoices", "invoice_id": invoice_id, "famount": famount},
)
except Exception as e:
raise HTTPException(status_code=HTTPStatus.INTERNAL_SERVER_ERROR, detail=str(e))
return {"payment_hash": payment_hash, "payment_request": payment_request}
@invoices_ext.get(
"/api/v1/invoice/{invoice_id}/payments/{payment_hash}", status_code=HTTPStatus.OK
)
async def api_invoices_check_payment(invoice_id: str, payment_hash: str):
invoice = await get_invoice(invoice_id)
if not invoice:
raise HTTPException(
status_code=HTTPStatus.NOT_FOUND, detail="Invoice does not exist."
)
try:
status = await api_payment(payment_hash)
except Exception as exc:
logger.error(exc)
return {"paid": False}
return status