feat: improve customer address views

web/mixins.py

@@ -1,6 +1,9 @@
 from django.conf import settings
 from django.core.paginator import Paginator
-from django.utils.text import gettext_lazy as _
+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:
@@ -55,3 +58,44 @@ 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,
+        })