Improve instance delete

src/servala/core/models/service.py

@@ -6,7 +6,7 @@ import urlman
 from django.conf import settings
 from django.core.cache import cache
 from django.core.exceptions import ValidationError
-from django.db import IntegrityError, models
+from django.db import IntegrityError, models, transaction
 from django.utils import timezone
 from django.utils.functional import cached_property
 from django.utils.translation import gettext_lazy as _
@@ -636,6 +636,7 @@ class ServiceInstance(ServalaModelMixin, models.Model):
                 _("Error updating instance: {error}").format(error=str(e))
             )
 
+    @transaction.atomic
     def delete_instance(self, user):
         """
         Soft deletes the instance in Django and initiates deletion of the

src/servala/frontend/forms/service.py

@@ -88,33 +88,28 @@ class ServiceInstanceFilterForm(forms.Form):
         return queryset
 
 
-class ServiceInstanceDeleteForm(forms.Form):
-    name_confirm = forms.CharField(
+class ServiceInstanceDeleteForm(forms.ModelForm):
+    name = forms.CharField(
         label=_("Instance Name"),
         max_length=63,
         widget=forms.TextInput(attrs={"class": "form-control"}),
     )
 
     def __init__(self, *args, **kwargs):
-        self.instance_name = kwargs.pop("instance_name", None)
+        kwargs["initial"] = {"name": ""}
         super().__init__(*args, **kwargs)
-        if self.instance_name:
-            self.fields["name_confirm"].help_text = _(
+        self.fields["name"].help_text = _(
             "To confirm deletion, please type the instance name: <strong>{instance_name}</strong>"
-            ).format(instance_name=self.instance_name)
-        else:
-            self.fields["name_confirm"].help_text = _(
-                "Please type the instance name to confirm deletion."
-            )
+        ).format(instance_name=self.instance.name)
 
-    def clean_name_confirm(self):
-        entered_name = self.cleaned_data.get("name_confirm")
-        if not self.instance_name:
-            raise ValidationError(
-                _("Cannot confirm deletion: instance name not provided to form.")
-            )
-        if entered_name != self.instance_name:
+    def clean_name(self):
+        entered_name = self.cleaned_data.get("name")
+        if entered_name != self.instance.name:
             raise ValidationError(
                 _("The entered name does not match the instance name. Deletion not confirmed.")
             )
         return entered_name
+
+    class Meta:
+        model = ServiceInstance
+        fields = ("name", )

src/servala/frontend/templates/frontend/forms/form.html

@@ -1,6 +1,6 @@
 {% load i18n %}
 {% if form.non_field_errors or form.errors %}
-    <div class="alert alert-danger" role="alert">
+    <div class="alert alert-danger form-errors" role="alert">
         <div>
             {% if form.non_field_errors %}
                 {% if form.non_field_errors|length > 1 %}

src/servala/frontend/templates/frontend/organizations/service_instance_detail.html

@@ -6,9 +6,20 @@
     {% endblock page_title %}
 {% endblock html_title %}
 {% block page_title_extra %}
-    {% if has_change_permission %}
+    <div>
+        {% if has_change_permission and not instance.is_deleted %}
             <a href="{{ instance.urls.update }}" class="btn btn-primary me-1 mb-1">{% translate "Edit" %}</a>
         {% endif %}
+        {% if has_delete_permission and not instance.is_deleted %}
+            <button type="button" class="btn btn-danger me-1 mb-1"
+                    hx-get="{{ instance.urls.delete }}"
+                    hx-target="#deleteInstanceModalContent"
+                    data-bs-toggle="modal"
+                    data-bs-target="#deleteInstanceModal">
+                {% translate "Delete" %}
+            </button>
+        {% endif %}
+    </div>
 {% endblock page_title_extra %}
 {% block content %}
     <section class="section">
@@ -47,7 +58,14 @@
                             <dt class="col-sm-4">{% translate "Status" %}</dt>
                             <dd class="col-sm-8">
                                 {% if instance.is_deleted %}
-                                    <span class="badge text-bg-secondary">{% translate "Deleted" %}</span>
+                                    <span class="badge text-bg-danger">{% translate "Deleted" %}</span>
+                                    {% if instance.deleted_at %}
+                                        <small class="text-muted d-block mt-1">
+                                            {% blocktranslate with date=instance.deleted_at|date:"SHORT_DATETIME_FORMAT" user=instance.deleted_by|default:_("system") %}
+                                            On {{ date }} by {{ user }}
+                                            {% endblocktranslate %}
+                                        </small>
+                                    {% endif %}
                                 {% else %}
                                     <span class="badge text-bg-success">{% translate "Active" %}</span>
                                 {% endif %}
@@ -56,7 +74,7 @@
                     </div>
                 </div>
             </div>
-            {% if instance.status_conditions %}
+            {% if not instance.is_deleted and instance.status_conditions %}
                 <div class="col-12 col-md-7">
                     <div class="card">
                         <div class="card-header">
@@ -101,7 +119,7 @@
                     </div>
                 </div>
             {% endif %}
-            {% if instance.spec %}
+            {% if not instance.is_deleted and instance.spec and spec_fieldsets %}
                 <div class="col-12">
                     <div class="card">
                         <div class="card-header">

src/servala/frontend/views/service.py

@@ -423,7 +423,9 @@ class ServiceInstanceDeleteView(
                     name=self.object.name, error=str(e)
                 ),
             )
-            return self.form_invalid(form)
+            response = HttpResponse()
+            response["HX-Redirect"] = str(self.object.urls.base)
+            return response
 
     def get_success_url(self):
         return self.request.organization.urls.instances

src/servala/static/css/servala.css

@@ -90,3 +90,6 @@ a.btn-keycloak {
     flex-wrap: wrap;
     justify-content: space-between;
 }
+.hide-form-errors .alert.form-errors {
+    display: none;
+}