61 lines
2.2 KiB
Python
61 lines
2.2 KiB
Python
import logging
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import traceback
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from typing import Any
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from django.db.models.signals import post_save
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from django.dispatch import receiver
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from django.utils.translation import gettext_lazy as _
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from engine.payments.gateways import BadLimitsError
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from engine.payments.models import Balance, Gateway, Transaction
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from engine.payments.utils.emailing import balance_deposit_email
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from engine.vibes_auth.models import User
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logger = logging.getLogger(__name__)
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# noinspection PyUnusedLocal
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@receiver(post_save, sender=User)
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def create_balance_on_user_creation_signal(
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instance: User, created: bool, **kwargs: dict[Any, Any]
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) -> None:
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if created:
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Balance.objects.create(user=instance)
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# noinspection PyUnusedLocal
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@receiver(post_save, sender=Transaction)
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def process_transaction_changes(
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instance: Transaction, created: bool, **kwargs: dict[Any, Any]
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) -> None:
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if created:
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if not instance.gateway:
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instance.gateway = Gateway.objects.can_be_used().first()
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try:
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gateway = instance.gateway.get_integration_class_object()
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if (
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instance.gateway.minimum_transaction_amount
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<= instance.amount
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<= instance.gateway.maximum_transaction_amount
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):
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gateway.process_transaction(instance) # type: ignore [union-attr]
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else:
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raise BadLimitsError(
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_(
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f"the transaction amount didn't fit into allowed limits: "
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f"{instance.gateway.minimum_transaction_amount} "
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f"!<= {instance.amount} "
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f"!<= {instance.gateway.maximum_transaction_amount}"
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)
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)
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except Exception as e:
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instance.process = {"status": "ERRORED", "error": str(e)}
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logger.error(
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f"Error processing transaction {instance.uuid}: {e}\n{traceback.format_exc()}"
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)
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if not created:
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status = str(instance.process.get("status", "")).lower()
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success = instance.process.get("success", False)
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if ("success" in status or success) and (instance.process.get("notify", False)):
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balance_deposit_email.delay(str(instance.uuid))
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