107 lines
3.4 KiB
Python
107 lines
3.4 KiB
Python
import hashlib
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import logging
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import math
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from aiogram import Bot
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from fastapi import Depends, Form, HTTPException
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from fastapi.routing import APIRouter
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from sqlalchemy.ext.asyncio import AsyncSession
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from api.core.deps import get_bot, get_db, get_deps
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from api.core.notifications import successful_payment_notification
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from config import settings
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from db.models.bills import DepositStatus
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from db.models.transactions import BalanceTxType
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from misc.pally import BillStatus
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from schemas.di import APIDependenciesDTO
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router = APIRouter(prefix="/pally")
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logger = logging.getLogger(__name__)
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@router.post("/result")
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async def pally_callback(
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InvId: str = Form(...),
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OutSum: str = Form(...),
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Commission: str = Form(...),
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TrsId: str = Form(...),
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Status: str = Form(...),
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CurrencyIn: str = Form(...),
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custom: str | None = Form(None),
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SignatureValue: str = Form(...),
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session: AsyncSession = Depends(get_db),
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bot: Bot = Depends(get_bot),
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deps: APIDependenciesDTO = Depends(get_deps),
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):
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oid = InvId
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raw_string = f"{OutSum}:{InvId}:{settings.pally_token}"
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expected_signature = hashlib.md5(raw_string.encode("utf-8")).hexdigest().upper()
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if SignatureValue != expected_signature:
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logger.critical("Invalid signature for TrsId %s", TrsId)
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raise HTTPException(403, detail="Invalid signature.")
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if Status != BillStatus.SUCCESS:
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logger.info("Bill %s skipped: status=%s", TrsId, Status)
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return "OK"
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logger.info("Received successfully paid bill %s", TrsId)
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if not oid.isdigit():
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logger.critical("Invalid InvId format for TrsId %s", TrsId)
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return "OK"
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bill = await deps.bills_repository.get_bill_by_id(session, int(oid))
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if not bill:
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logger.critical("Bill %s is not found in db", TrsId)
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return "OK"
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if bill.status != DepositStatus.PENDING:
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logger.warning("bill=%s is already paid according to the db", bill.id)
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return "OK"
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try:
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amount = int(float(OutSum))
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if bill.amount != amount:
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logger.warning("requested amount for bill=%s is not equal to db entry", bill.id)
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return "OK"
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await deps.user_repository.increase_user_balance(
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session,
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bill.creator_id,
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amount=amount,
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tx_type=BalanceTxType.DEPOSIT,
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description="personal balance deposit via PALLY",
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)
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await successful_payment_notification(bot, bill.creator_id, amount)
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user = await deps.user_repository.get_user_by_id(session, bill.creator_id)
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referal = user.referal_id if user else None
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if referal is not None:
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referal_amount = math.floor(amount * (settings.referal_bonus / 100))
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await deps.user_repository.increase_user_balance(
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session,
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referal,
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referal_amount,
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tx_type=BalanceTxType.REFERRAL_BONUS,
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description=f"referal reward for referal_id={bill.creator_id}",
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)
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await successful_payment_notification(bot, referal, referal_amount)
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except Exception:
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logger.exception(
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"Exception caught while processing balances for TrsId %s (Creator: %s)",
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TrsId,
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bill.creator_id,
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)
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await deps.bills_repository.update_bill_status(
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session, int(bill.id), status=DepositStatus.SUCCESS
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)
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return "OK"
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