Show service ordering form

src/servala/frontend/forms/service.py

@@ -1,6 +1,6 @@
 from django import forms
 
-from servala.core.models import CloudProvider, ServiceCategory
+from servala.core.models import CloudProvider, ControlPlane, ServiceCategory
 
 
 class ServiceFilterForm(forms.Form):
@@ -20,3 +20,11 @@ class ServiceFilterForm(forms.Form):
                 offerings__control_planes__cloud_provider=cloud_provider
             )
         return queryset
+
+
+class ControlPlaneSelectForm(forms.Form):
+    control_plane = forms.ModelChoiceField(queryset=ControlPlane.objects.none())
+
+    def __init__(self, *args, planes=None, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.fields["control_plane"].queryset = planes

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

@@ -1,11 +1,23 @@
 {% extends "frontend/base.html" %}
 {% load i18n %}
 {% load static %}
+{% load partials %}
 {% block html_title %}
     {% block page_title %}
         {{ offering }}
     {% endblock page_title %}
 {% endblock html_title %}
+{% partialdef service-form %}
+{% if service_form %}
+    {% if form_error %}
+        <div class="alert alert-danger">
+            {% translate "Oops! Something went wrong with the service form generation. Please try again later." %}
+        </div>
+    {% else %}
+        {% include "includes/form.html" with form=service_form %}
+    {% endif %}
+{% endif %}
+{% endpartialdef %}
 {% block content %}
     <section class="section">
         <div class="card">
@@ -23,17 +35,16 @@
                 </div>
             </div>
             <div class="card-body">
-                <div class="row">
-                    {% if offering.control_planes.all.count > 1 %}
-                        <p>{% translate "Please choose your zone." %}</p>
-                    {% else %}
-                        <p>
-                            {% blocktranslate trimmed with zone=offering.control_planes.all.first.name %}
-                                Your zone will be <strong>{{ zone }}</strong>.
-                            {% endblocktranslate %}
-                        </p>
-                    {% endif %}
-                </div>
+                {% if offering.control_planes.all.count == 0 %}
+                    <p>{% translate "We currently cannot offer this service, sorry!" %}</p>
+                {% else %}
+                    <form hx-trigger="change"
+                          hx-get="{{ request.path }}?fragment=service-form"
+                          hx-target="#service-form">
+                        {{ select_form }}
+                    </form>
+                    <div id="service-form">{% partial service-form %}</div>
+                {% endif %}
             </div>
         </div>
     </section>

src/servala/frontend/views/mixins.py

@@ -5,13 +5,30 @@ from rules.contrib.views import AutoPermissionRequiredMixin, PermissionRequiredM
 from servala.core.models import Organization
 
 
-class HtmxUpdateView(AutoPermissionRequiredMixin, UpdateView):
+class HtmxViewMixin:
     fragments = []
 
     @cached_property
     def is_htmx(self):
         return self.request.headers.get("HX-Request")
 
+    def _get_fragment(self):
+        if self.request.method == "POST":
+            fragment = self.request.POST.get("fragment")
+        else:
+            fragment = self.request.GET.get("fragment")
+        if fragment and fragment in self.fragments:
+            return fragment
+
+    def get_template_names(self):
+        template_names = super().get_template_names()
+        if self.is_htmx and (fragment := self._get_fragment()):
+            return [f"{template_names[0]}#{fragment}"]
+        return template_names
+
+
+class HtmxUpdateView(AutoPermissionRequiredMixin, HtmxViewMixin, UpdateView):
+
     @property
     def permission_type(self):
         if self.request.method == "POST" or getattr(
@@ -31,20 +48,6 @@ class HtmxUpdateView(AutoPermissionRequiredMixin, UpdateView):
         result["has_change_permission"] = self.has_change_permission()
         return result
 
-    def _get_fragment(self):
-        if self.request.method == "POST":
-            fragment = self.request.POST.get("fragment")
-        else:
-            fragment = self.request.GET.get("fragment")
-        if fragment and fragment in self.fragments:
-            return fragment
-
-    def get_template_names(self):
-        template_names = super().get_template_names()
-        if self.is_htmx and (fragment := self._get_fragment()):
-            return [f"{template_names[0]}#{fragment}"]
-        return template_names
-
     def get_form_kwargs(self):
         result = super().get_form_kwargs()
         if self.is_htmx:
@@ -82,8 +85,8 @@ class OrganizationViewMixin(PermissionRequiredMixin):
     def get_permission_object(self):
         return self.organization
 
+    def has_organization_permission(self):
+        return self.request.user.has_perm("core.view_organization", self.organization)
+
     def has_permission(self):
-        return (
-            self.request.user.has_perm("core.view_organization", self.organization)
-            and super().has_permission()
-        )
+        return self.has_organization_permission() and super().has_permission()

src/servala/frontend/views/service.py

@@ -1,9 +1,9 @@
 from django.utils.functional import cached_property
 from django.views.generic import DetailView, ListView
 
-from servala.core.models import Service, ServiceOffering
-from servala.frontend.forms.service import ServiceFilterForm
-from servala.frontend.views.mixins import OrganizationViewMixin
+from servala.core.models import Service, ServiceOffering, ServiceOfferingControlPlane
+from servala.frontend.forms.service import ControlPlaneSelectForm, ServiceFilterForm
+from servala.frontend.views.mixins import HtmxViewMixin, OrganizationViewMixin
 
 
 class ServiceListView(OrganizationViewMixin, ListView):
@@ -44,13 +44,43 @@ class ServiceDetailView(OrganizationViewMixin, DetailView):
         )
 
 
-class ServiceOfferingDetailView(OrganizationViewMixin, DetailView):
+class ServiceOfferingDetailView(OrganizationViewMixin, HtmxViewMixin, DetailView):
     template_name = "frontend/organizations/service_offering_detail.html"
     context_object_name = "offering"
     model = ServiceOffering
     permission_type = "view"
+    fragments = ("service-form",)
+
+    def has_permission(self):
+        return self.has_organization_permission()
 
     def get_queryset(self):
         return ServiceOffering.objects.all().select_related(
             "service", "service__category", "provider"
         )
+
+    @cached_property
+    def planes(self):
+        return self.object.control_planes.all()
+
+    @cached_property
+    def select_form(self):
+        data = None
+        if "control_plane" in self.request.GET:
+            data = self.request.GET
+        return ControlPlaneSelectForm(data=data, planes=self.planes)
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        context["select_form"] = self.select_form
+        if "control_plane" in self.request.GET:
+            if self.select_form.is_valid():
+                so_cp = ServiceOfferingControlPlane.objects.filter(
+                    control_plane=self.select_form.cleaned_data["control_plane"],
+                    service_offering=self.object,
+                ).first()
+                if not so_cp:
+                    context["form_error"] = True
+                else:
+                    context["service_form"] = so_cp.model_form_class()
+        return context