78 lines
2.5 KiB
Python
78 lines
2.5 KiB
Python
from datetime import date
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import uuid
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from django.db import models
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from django.forms import ModelForm
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from django.core.validators import validate_unicode_slug, FileExtensionValidator
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class Category(models.Model):
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id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
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name = models.CharField(max_length=64, validators=[validate_unicode_slug])
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full_name = models.CharField(max_length=512, editable=False, default="")
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parent = models.ForeignKey("self", on_delete=models.SET_NULL, blank=True, null=True)
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def __str__(self):
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if self.parent is None:
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return self.name
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return f"{self.parent}>{self.name}"
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def save(self, *args, **kwargs):
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self.full_name = str(self)
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super().save(*args, **kwargs)
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for child in self.__class__.objects.filter(parent=self):
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child.save()
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@property
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def tree(self):
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if self.parent is None:
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return [self.name]
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return self.parent.tree + [self.name]
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class Meta:
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ordering = ["full_name"]
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class Transaction(models.Model):
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id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
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name = models.CharField(max_length=256, default="Transaction")
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description = models.TextField(null=True, blank=True)
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value = models.DecimalField(max_digits=12, decimal_places=2, default=0)
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date = models.DateField(default=date.today)
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trader = models.CharField(max_length=128, blank=True, null=True)
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category = models.ForeignKey(
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Category, on_delete=models.SET_NULL, blank=True, null=True
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)
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def __str__(self):
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res = f"{self.date} {self.name}: {self.value}€"
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if self.category:
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return f"{res} ({self.category})"
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return res
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class TransactionForm(ModelForm):
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class Meta:
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model = Transaction
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fields = ["name", "description", "value", "date", "category"]
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class Invoice(models.Model):
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id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
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name = models.CharField(max_length=256)
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file = models.FileField(
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upload_to="invoices/", validators=[FileExtensionValidator(["pdf"])]
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)
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transaction = models.ForeignKey(Transaction, on_delete=models.CASCADE)
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def __str__(self):
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return f"{self.name}: {self.transaction}"
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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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class InvoiceForm(ModelForm):
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class Meta:
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model = Invoice
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fields = ["name", "file"]
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