124 lines
3.8 KiB
Python
124 lines
3.8 KiB
Python
import datetime
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from pathlib import Path
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from uuid import uuid4
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from account.models import Account
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from category.models import Category
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from django.core.validators import FileExtensionValidator
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from django.db import models
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from django.urls import reverse
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from django.utils.translation import gettext_lazy as _
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from main.models import UserModel
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from media.utils import get_path
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from statement.models import Statement
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class Transaction(UserModel):
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id = models.UUIDField(primary_key=True, default=uuid4, editable=False)
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name = models.CharField(
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max_length=256, default=_("Transaction"), verbose_name=_("Name")
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)
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description = models.TextField(null=True, blank=True, verbose_name=_("Description"))
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value = models.DecimalField(
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max_digits=12, decimal_places=2, default=0, verbose_name=_("Value")
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)
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date = models.DateField(default=datetime.date.today, verbose_name=_("Date"))
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real_date = models.DateField(blank=True, null=True, verbose_name=_("Real date"))
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trader = models.CharField(
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max_length=128, blank=True, null=True, verbose_name=_("Trader")
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)
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payment = models.CharField(
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max_length=128, blank=True, null=True, verbose_name=_("Payment")
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)
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category = models.ForeignKey(
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Category,
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on_delete=models.SET_NULL,
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blank=True,
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null=True,
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verbose_name=_("Category"),
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)
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statement = models.ForeignKey(
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Statement,
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on_delete=models.CASCADE,
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verbose_name=_("Statement"),
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)
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account = models.ForeignKey(
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Account,
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on_delete=models.CASCADE,
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verbose_name=_("Account"),
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editable=False,
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)
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def save(self, *args, **kwargs):
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if Transaction.objects.filter(pk=self.pk):
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prev_self = Transaction.objects.get(pk=self.pk)
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else:
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prev_self = None
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self.account = self.statement.account
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super().save(*args, **kwargs)
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if prev_self is not None:
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prev_self.statement.update_sum()
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self.statement.update_sum()
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def __str__(self):
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return f"{self.name}"
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def get_absolute_url(self):
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return reverse("transaction", kwargs={"pk": self.pk})
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def get_delete_url(self):
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return reverse("del_transaction", args=(self.pk,))
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@property
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def invoices(self):
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return Invoice.objects.filter(transaction=self)
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@property
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def has_invoice(self):
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return self.invoices.count() > 0
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class Meta:
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ordering = ["-date", "statement"]
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verbose_name = _("Transaction")
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verbose_name_plural = _("Transactions")
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class Invoice(UserModel):
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id = models.UUIDField(primary_key=True, default=uuid4, editable=False)
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name = models.CharField(
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max_length=256, default=_("Invoice"), verbose_name=_("Name")
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)
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file = models.FileField(
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upload_to=get_path,
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validators=[FileExtensionValidator(["pdf"])],
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verbose_name=_("File"),
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max_length=128,
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)
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transaction = models.ForeignKey(
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Transaction, on_delete=models.CASCADE, editable=False
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)
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def save(self, *args, **kwargs):
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if Invoice.objects.filter(id=self.id).exists():
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_prever = Invoice.objects.get(id=self.id)
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if _prever.file and _prever.file != self.file:
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Path(_prever.file.path).unlink(missing_ok=True)
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super().save(*args, **kwargs)
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def __str__(self):
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return str(self.name)
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def delete(self, *args, **kwargs):
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self.file.delete()
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super().delete(*args, **kwargs)
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def get_absolute_url(self):
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return reverse("invoice", args=(self.transaction.pk, self.pk))
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def get_delete_url(self):
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return reverse("del_invoice", args=(self.transaction.pk, self.pk))
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class Meta:
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verbose_name = _("Invoice")
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verbose_name_plural = _("Invoices")
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ordering = ["transaction", "name"]
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