Fix #21

nummi/transaction/migrations/0004_remove_transaction_account.py

@@ -0,0 +1,16 @@
+# Generated by Django 4.2 on 2025-01-02 13:03
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("transaction", "0003_alter_transaction_account_and_more"),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name="transaction",
+            name="account",
+        ),
+    ]

nummi/transaction/models.py

@@ -2,7 +2,6 @@ import datetime
 from pathlib import Path
 from uuid import uuid4
 
-from account.models import Account
 from category.models import Category
 from django.core.validators import FileExtensionValidator
 from django.db import models
@@ -44,22 +43,12 @@ class Transaction(UserModel):
         null=True,
         verbose_name=_("Statement"),
     )
-    account = models.ForeignKey(
-        Account,
-        on_delete=models.CASCADE,
-        blank=True,
-        null=True,
-        verbose_name=_("Account"),
-        editable=False,
-    )
 
     def save(self, *args, **kwargs):
         if Transaction.objects.filter(pk=self.pk):
             prev_self = Transaction.objects.get(pk=self.pk)
         else:
             prev_self = None
-        if self.statement:
-            self.account = self.statement.account
         super().save(*args, **kwargs)
         if prev_self is not None and prev_self.statement:
             prev_self.statement.update_sum()
@@ -76,8 +65,9 @@ class Transaction(UserModel):
         return reverse("del_transaction", args=(self.pk,))
 
     @property
-    def invoices(self):
-        return Invoice.objects.filter(transaction=self)
+    def account(self):
+        if self.statement:
+            return self.statement.account
 
     @property
     def has_invoice(self):