schon/payments/models.py
Egor fureunoir Gorbunov a33be30098 Features: 1) Added vendor, product tag, category tag models and metadata; 2) Introduced proper noinspection comments for Mypy warnings; 3) Extended Markdown linting rules.
Fixes: 1) Corrected `ForeignKey` type assertions across models; 2) Resolved typos and formatting inconsistencies in `.env` and README; 3) Fixed explicit boolean checks in user manager methods.

Extra: Updated type hints in multiple models, serializers, and views.
2025-06-18 15:58:49 +03:00

66 lines
2.4 KiB
Python

from constance import config
from django.contrib.postgres.indexes import GinIndex
from django.db.models import CASCADE, CharField, FloatField, ForeignKey, JSONField, OneToOneField
from django.utils.translation import gettext_lazy as _
from core.abstract import NiceModel
from core.models import Order
from vibes_auth.models import User
class Balance(NiceModel):
amount: float = FloatField(null=False, blank=False, default=0)
user: User = OneToOneField(
to="vibes_auth.User", on_delete=CASCADE, blank=True, null=True, related_name="payments_balance"
)
def __str__(self):
return f"{self.user.email} | {self.amount}"
class Meta:
verbose_name = _("balance")
verbose_name_plural = _("balances")
def save(self, **kwargs):
if self.amount != 0.0 and len(str(self.amount).split(".")[1]) > 2:
self.amount = round(self.amount, 2)
super().save(**kwargs)
class Transaction(NiceModel):
amount: float = FloatField(null=False, blank=False)
balance: Balance = ForeignKey(Balance, on_delete=CASCADE, blank=True, null=True, related_name="transactions")
currency: str = CharField(max_length=3, null=False, blank=False)
payment_method: str = CharField(max_length=20, null=True, blank=True)
order: Order = ForeignKey(
"core.Order",
on_delete=CASCADE,
blank=True,
null=True,
help_text=_("order to process after paid"),
related_name="payments_transactions",
)
process: dict = JSONField(verbose_name=_("processing details"), default=dict)
def __str__(self):
return f"{self.balance.user.email} | {self.amount}"
def save(self, **kwargs):
if self.amount != 0.0 and (
(config.PAYMENT_GATEWAY_MINIMUM <= self.amount <= config.PAYMENT_GATEWAY_MAXIMUM)
or (config.PAYMENT_GATEWAY_MINIMUM == 0 and config.PAYMENT_GATEWAY_MAXIMUM == 0)
):
if len(str(self.amount).split(".")[1]) > 2:
self.amount = round(self.amount, 2)
super().save(**kwargs)
return self
raise ValueError(
_(f"transaction amount must fit into {config.PAYMENT_GATEWAY_MINIMUM}-{config.PAYMENT_GATEWAY_MAXIMUM}")
)
class Meta:
verbose_name = _("transaction")
verbose_name_plural = _("transactions")
indexes = [
GinIndex(fields=["process"]),
]