Remove get_create_url, redirect createform to same page using hidden form field

nummi/main/models.py

@@ -53,9 +53,6 @@ class Account(NummiModel):
     def __str__(self):
         return str(self.name)
 
-    def get_create_url(self):
-        return reverse("new_account")
-
     def get_absolute_url(self):
         return reverse("account", kwargs={"pk": self.pk})
 
@@ -102,9 +99,6 @@ class Category(NummiModel):
     def __str__(self):
         return str(self.name)
 
-    def get_create_url(self):
-        return reverse("new_category")
-
     def get_absolute_url(self):
         return reverse("category", kwargs={"pk": self.pk})
 
@@ -189,9 +183,6 @@ class Snapshot(AccountModel):
             self.file.delete()
         super().delete(*args, **kwargs)
 
-    def get_create_url(self):
-        return reverse("new_snapshot")
-
     def get_absolute_url(self):
         return reverse("snapshot", kwargs={"pk": self.pk})
 
@@ -254,9 +245,6 @@ class Transaction(NummiModel):
     def __str__(self):
         return f"{self.name}"
 
-    def get_create_url(self):
-        return reverse("new_transaction")
-
     def get_absolute_url(self):
         return reverse("transaction", kwargs={"pk": self.pk})
 
@@ -306,9 +294,6 @@ class Invoice(NummiModel):
         self.file.delete()
         super().delete(*args, **kwargs)
 
-    def get_create_url(self):
-        return reverse("new_invoice", kwargs={"transaction_pk": self.transaction.pk})
-
     def get_absolute_url(self):
         return reverse(
             "invoice", kwargs={"transaction_pk": self.transaction.pk, "pk": self.pk}

nummi/main/templates/main/form/base.html

@@ -35,6 +35,7 @@
         {% endif %}
         <form method="post">
             {% csrf_token %}
+            {% if instance.adding %}<input hidden name="next" value="{{ request.path }}" />{% endif %}
             {{ form }}
         </form>
         {% block tables %}{% endblock %}

nummi/main/templates/main/table/invoice.html

@@ -34,7 +34,7 @@
             <tfoot>
                 <tr>
                     <td colspan="3">
-                        <a href="{% url "invoice" transaction.pk %}">{% translate "New invoice" %}</a>
+                        <a href="{% url "new_invoice" transaction.pk %}">{% translate "New invoice" %}</a>
                     </td>
                 </tr>
             </tfoot>

nummi/main/views.py

@@ -71,13 +71,14 @@ class UserFormMixin:
 
 
 class NummiCreateView(UserMixin, UserFormMixin, CreateView):
-    def get_success_url(self):
-        return self.object.get_create_url()
-
     def form_valid(self, form):
         form.instance.user = self.request.user
+        self.next = form.data.get("next", None)
         return super().form_valid(form)
 
+    def get_success_url(self):
+        return self.next or super().get_success_url()
+
 
 class NummiUpdateView(UserMixin, UserFormMixin, UpdateView):
     pass