feat: mixin for update forms

web/mixins.py

@@ -1,9 +1,5 @@
 from django.conf import settings
 from django.core.paginator import Paginator
-from django import forms
-from django.db import models
-from django.views.generic import TemplateView
-from django.shortcuts import get_object_or_404, render
 
 
 class FilteredQuerysetMixin:
@@ -62,11 +58,7 @@ class StylingMixin:
         for field_name in self.styled_fields:
             field = self.fields[field_name]
             field.required = True
-            field.widget.attrs.update(
-                {
-                    "class": ' '.join(self.classes)
-                }
-            )
+            field.widget.attrs.update({"class": " ".join(self.classes)})
 
             if self.placeholder_for_field.get(field_name):
                 field.widget.attrs.update(
@@ -74,44 +66,3 @@ class StylingMixin:
                         "placeholder": self.placeholder_for_field.get(field_name),
                     }
                 )
-
-
-class ReadUpdateView(TemplateView):
-    model: models.Model = None
-    form_class: forms.ModelForm = None
-    template_name: str = ""
-    ok_template_name: str = ""
-    error_template_name: str = ""
-
-    def get_model(self):
-        return self.model
-
-    def get_object(self):
-        pk = self.kwargs.get('pk')
-        cls = self.get_model()
-        return get_object_or_404(cls, pk=pk)
-
-    def get_initial_values(self, instance):
-        return {}
-
-    def get_context_data(self, **kwargs):
-        instance = self.get_object()
-        form = self.form_class(initial=self.get_initial_values(instance))
-
-        return {
-            "form": form,
-        }
-
-    def post(self, request, *args, **kwargs):
-        form = self.form_class(request.POST)
-
-        if form.is_valid():
-            instance = form.save()
-            return render(request, self.ok_template_name, {
-                "form": form,
-                "instance": instance,
-            })
-
-        return render(request, self.error_template_name, {
-            "form": form,
-        })