333 lines
9.3 KiB
Python
333 lines
9.3 KiB
Python
import datetime
|
||
import pathlib
|
||
import uuid
|
||
|
||
from django.conf import settings
|
||
from django.core.validators import FileExtensionValidator
|
||
from django.db import models, transaction
|
||
from django.forms import ModelForm
|
||
from django.urls import reverse
|
||
from django.utils.translation import gettext as _
|
||
|
||
|
||
class UserModel(models.Model):
|
||
user = models.ForeignKey(
|
||
settings.AUTH_USER_MODEL,
|
||
on_delete=models.CASCADE,
|
||
verbose_name=_("User"),
|
||
editable=False,
|
||
)
|
||
|
||
class Meta:
|
||
abstract = True
|
||
|
||
|
||
class CustomModel(UserModel):
|
||
@property
|
||
def adding(self):
|
||
return self._state.adding
|
||
|
||
class Meta:
|
||
abstract = True
|
||
|
||
|
||
class Account(CustomModel):
|
||
id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
|
||
name = models.CharField(max_length=64, default=_("Account"), verbose_name=_("Name"))
|
||
icon = models.CharField(
|
||
max_length=64, default="building-columns", verbose_name=_("Icon")
|
||
)
|
||
|
||
def __str__(self):
|
||
return self.name
|
||
|
||
def get_absolute_url(self):
|
||
return reverse("account", kwargs={"pk": self.pk})
|
||
|
||
def get_delete_url(self):
|
||
return reverse("del_account", kwargs={"pk": self.pk})
|
||
|
||
@property
|
||
def transactions(self):
|
||
return Transaction.objects.filter(account=self)
|
||
|
||
@property
|
||
def snapshots(self):
|
||
return Snapshot.objects.filter(account=self)
|
||
|
||
class Meta:
|
||
ordering = ["name"]
|
||
verbose_name = _("Account")
|
||
verbose_name_plural = _("Accounts")
|
||
|
||
|
||
class AccountModel(CustomModel):
|
||
account = models.ForeignKey(
|
||
Account,
|
||
on_delete=models.CASCADE,
|
||
verbose_name=_("Account"),
|
||
)
|
||
|
||
class Meta:
|
||
abstract = True
|
||
|
||
|
||
class Category(CustomModel):
|
||
id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
|
||
name = models.CharField(
|
||
max_length=64, default=_("Category"), verbose_name=_("Name")
|
||
)
|
||
icon = models.CharField(max_length=64, default="folder", verbose_name=_("Icon"))
|
||
budget = models.BooleanField(default=True, verbose_name=_("Budget"))
|
||
|
||
def __str__(self):
|
||
return self.name
|
||
|
||
def get_absolute_url(self):
|
||
return reverse("category", kwargs={"pk": self.pk})
|
||
|
||
def get_delete_url(self):
|
||
return reverse("del_category", kwargs={"pk": self.pk})
|
||
|
||
@property
|
||
def transactions(self):
|
||
return Transaction.objects.filter(category=self)
|
||
|
||
class Meta:
|
||
ordering = ["name"]
|
||
verbose_name = _("Category")
|
||
verbose_name_plural = _("Categories")
|
||
|
||
|
||
def snapshot_path(instance, filename):
|
||
return pathlib.Path("snapshots", str(instance.id)).with_suffix(".pdf")
|
||
|
||
|
||
class Snapshot(AccountModel):
|
||
id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
|
||
date = models.DateField(default=datetime.date.today, verbose_name=_("End date"))
|
||
start_date = models.DateField(
|
||
default=datetime.date.today, verbose_name=_("Start date")
|
||
)
|
||
value = models.DecimalField(
|
||
max_digits=12, decimal_places=2, default=0, verbose_name=_("End value")
|
||
)
|
||
start_value = models.DecimalField(
|
||
max_digits=12, decimal_places=2, default=0, verbose_name=_("Start value")
|
||
)
|
||
diff = models.DecimalField(
|
||
max_digits=12,
|
||
decimal_places=2,
|
||
default=0,
|
||
verbose_name=_("Difference"),
|
||
editable=False,
|
||
)
|
||
sum = models.DecimalField(
|
||
max_digits=12,
|
||
decimal_places=2,
|
||
default=0,
|
||
verbose_name=_("Transaction difference"),
|
||
editable=False,
|
||
)
|
||
file = models.FileField(
|
||
upload_to=snapshot_path,
|
||
validators=[FileExtensionValidator(["pdf"])],
|
||
verbose_name=_("File"),
|
||
max_length=256,
|
||
blank=True,
|
||
default="",
|
||
)
|
||
|
||
def __str__(self):
|
||
return _("%(date)s statement") % {"date": self.date}
|
||
|
||
def save(self, *args, **kwargs):
|
||
if Snapshot.objects.filter(id=self.id).exists():
|
||
_prever = Snapshot.objects.get(id=self.id)
|
||
if _prever.file and _prever.file != self.file:
|
||
pathlib.Path(_prever.file.path).unlink(missing_ok=True)
|
||
|
||
with transaction.atomic():
|
||
for trans in self.transaction_set.all():
|
||
trans.save()
|
||
|
||
self.diff = self.value - self.start_value
|
||
self.sum = self.transaction_set.aggregate(sum=models.Sum("value")).get("sum", 0)
|
||
super().save(*args, **kwargs)
|
||
|
||
def update_sum(self):
|
||
self.sum = self.transaction_set.aggregate(sum=models.Sum("value")).get("sum", 0)
|
||
super().save()
|
||
|
||
def delete(self, *args, only_super=False, **kwargs):
|
||
if self.file:
|
||
self.file.delete()
|
||
|
||
def get_absolute_url(self):
|
||
return reverse("snapshot", kwargs={"pk": self.pk})
|
||
|
||
def get_delete_url(self):
|
||
return reverse("del_snapshot", kwargs={"pk": self.pk})
|
||
|
||
class Meta:
|
||
ordering = ["-date"]
|
||
verbose_name = _("Statement")
|
||
verbose_name_plural = _("Statements")
|
||
|
||
|
||
class Transaction(CustomModel):
|
||
id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
|
||
name = models.CharField(
|
||
max_length=256, default=_("Transaction"), verbose_name=_("Name")
|
||
)
|
||
description = models.TextField(null=True, blank=True, verbose_name=_("Description"))
|
||
value = models.DecimalField(
|
||
max_digits=12, decimal_places=2, default=0, verbose_name=_("Value")
|
||
)
|
||
date = models.DateField(default=datetime.date.today, verbose_name=_("Date"))
|
||
real_date = models.DateField(blank=True, null=True, verbose_name=_("Real date"))
|
||
trader = models.CharField(
|
||
max_length=128, blank=True, null=True, verbose_name=_("Trader")
|
||
)
|
||
payment = models.CharField(
|
||
max_length=128, blank=True, null=True, verbose_name=_("Payment")
|
||
)
|
||
category = models.ForeignKey(
|
||
Category,
|
||
on_delete=models.SET_NULL,
|
||
blank=True,
|
||
null=True,
|
||
verbose_name=_("Category"),
|
||
)
|
||
snapshot = models.ForeignKey(
|
||
Snapshot,
|
||
on_delete=models.CASCADE,
|
||
verbose_name=_("Statement"),
|
||
)
|
||
account = models.ForeignKey(
|
||
Account,
|
||
on_delete=models.CASCADE,
|
||
verbose_name=_("Account"),
|
||
editable=False,
|
||
)
|
||
|
||
def save(self, *args, **kwargs):
|
||
self.account = self.snapshot.account
|
||
self.snapshot.update_sum()
|
||
super().save(*args, **kwargs)
|
||
|
||
def __str__(self):
|
||
return f"{self.date} – {self.name}"
|
||
|
||
def get_absolute_url(self):
|
||
return reverse("transaction", kwargs={"pk": self.pk})
|
||
|
||
def get_delete_url(self):
|
||
return reverse("del_transaction", kwargs={"pk": self.pk})
|
||
|
||
@property
|
||
def invoices(self):
|
||
return Invoice.objects.filter(transaction=self)
|
||
|
||
@property
|
||
def has_invoice(self):
|
||
return self.invoices.count() > 0
|
||
|
||
class Meta:
|
||
ordering = ["-date"]
|
||
verbose_name = _("Transaction")
|
||
verbose_name_plural = _("Transactions")
|
||
|
||
|
||
def invoice_path(instance, filename):
|
||
return pathlib.Path("invoices", str(instance.id)).with_suffix(".pdf")
|
||
|
||
|
||
class Invoice(CustomModel):
|
||
id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
|
||
name = models.CharField(
|
||
max_length=256, default=_("Invoice"), verbose_name=_("Name")
|
||
)
|
||
file = models.FileField(
|
||
upload_to=invoice_path,
|
||
validators=[FileExtensionValidator(["pdf"])],
|
||
verbose_name=_("File"),
|
||
max_length=128,
|
||
)
|
||
transaction = models.ForeignKey(
|
||
Transaction, on_delete=models.CASCADE, editable=False
|
||
)
|
||
|
||
def __str__(self):
|
||
if hasattr(self, "transaction"):
|
||
return f"{self.name} – {self.transaction.name}"
|
||
return self.name
|
||
|
||
def delete(self, *args, **kwargs):
|
||
self.file.delete()
|
||
super().delete(*args, **kwargs)
|
||
|
||
def get_absolute_url(self):
|
||
return reverse(
|
||
"invoice", kwargs={"transaction_pk": self.transaction.pk, "pk": self.pk}
|
||
)
|
||
|
||
def get_delete_url(self):
|
||
return reverse(
|
||
"del_invoice", kwargs={"transaction_pk": self.transaction.pk, "pk": self.pk}
|
||
)
|
||
|
||
class Meta:
|
||
verbose_name = _("Invoice")
|
||
verbose_name_plural = _("Invoices")
|
||
|
||
|
||
class NummiForm(ModelForm):
|
||
template_name = "main/form/base.html"
|
||
|
||
def __init__(self, *args, **kwargs):
|
||
kwargs.pop("user", None)
|
||
super().__init__(*args, **kwargs)
|
||
|
||
|
||
class AccountForm(NummiForm):
|
||
class Meta:
|
||
model = Account
|
||
fields = "__all__"
|
||
|
||
|
||
class CategoryForm(NummiForm):
|
||
class Meta:
|
||
model = Category
|
||
fields = "__all__"
|
||
|
||
|
||
class TransactionForm(NummiForm):
|
||
class Meta:
|
||
model = Transaction
|
||
fields = "__all__"
|
||
|
||
def __init__(self, *args, **kwargs):
|
||
_user = kwargs.pop("user")
|
||
super().__init__(*args, **kwargs)
|
||
self.fields["category"].queryset = Category.objects.filter(user=_user)
|
||
self.fields["snapshot"].queryset = Snapshot.objects.filter(user=_user)
|
||
|
||
|
||
class InvoiceForm(NummiForm):
|
||
prefix = "invoice"
|
||
|
||
class Meta:
|
||
model = Invoice
|
||
fields = "__all__"
|
||
|
||
|
||
class SnapshotForm(NummiForm):
|
||
class Meta:
|
||
model = Snapshot
|
||
fields = "__all__"
|
||
|
||
def __init__(self, *args, **kwargs):
|
||
_user = kwargs.pop("user")
|
||
super().__init__(*args, **kwargs)
|
||
self.fields["account"].queryset = Account.objects.filter(user=_user)
|