Resource class top right actions

- adding top right actions to resource class
- tests will be written as follow up patch

Change-Id: Iba3155c1f275ee9ee9416aba9baa46c69b69c28e

8 files changed, 169 insertions, 2 deletions

diff --git a/openstack_dashboard/api/tuskar.py b/openstack_dashboard/api/tuskar.py
index c3281638..3d4d7370 100644
--- a/openstack_dashboard/api/tuskar.py
+++ b/openstack_dashboard/api/tuskar.py
@@ -448,6 +448,10 @@ class ResourceClass(StringIdAPIResourceWrapper):
 
         return resource_class
 
+    @property
+    def deletable(self):
+        return (len(self.list_racks) <= 0)
+
     @classmethod
     def delete(cls, request, resource_class_id):
         tuskarclient(request).resource_classes.delete(resource_class_id)
diff --git a/openstack_dashboard/dashboards/infrastructure/resource_management/resource_classes/forms.py b/openstack_dashboard/dashboards/infrastructure/resource_management/resource_classes/forms.py
new file mode 100644
index 00000000..00dbda82
--- /dev/null
+++ b/openstack_dashboard/dashboards/infrastructure/resource_management/resource_classes/forms.py
@@ -0,0 +1,52 @@
+from django.core.urlresolvers import reverse
+from django.utils.translation import ugettext_lazy as _
+
+from horizon import exceptions
+from horizon import forms
+from horizon import messages
+
+from openstack_dashboard import api
+
+import logging
+
+LOG = logging.getLogger(__name__)
+
+
+class DeleteForm(forms.SelfHandlingForm):
+    def __init__(self, request, *args, **kwargs):
+        super(DeleteForm, self).__init__(request, *args, **kwargs)
+
+        resource_class = self.initial.get('resource_class', None)
+        self.command = DeleteCommand(request, resource_class)
+
+    def handle(self, request, data):
+        try:
+            self.command.execute()
+
+            messages.success(request, self.command.msg)
+            return True
+        except:
+            exceptions.handle(request, _("Unable to delete Resource Class."))
+
+
+# TODO this command will be reused in table, so code is not duplicated
+class DeleteCommand(object):
+    def __init__(self, request, resource_class):
+        self.resource_class = resource_class
+        self.request = request
+        self.header = (_("Deleting resource class '%s.'")
+                       % self.resource_class.name)
+        self.msg = ""
+
+    def execute(self):
+        try:
+            api.tuskar.ResourceClass.delete(self.request,
+                                                self.resource_class.id)
+            self.msg = (_('Successfully deleted Class "%s".')
+                        % self.resource_class.name)
+        except:
+            self.msg = _('Failed to delete Class %s') % self.resource_class.id
+            LOG.info(self.msg)
+            redirect = reverse(
+                "horizon:infrastructure:resource_management:index")
+            exceptions.handle(self.request, self.msg, redirect=redirect)
diff --git a/openstack_dashboard/dashboards/infrastructure/resource_management/resource_classes/urls.py b/openstack_dashboard/dashboards/infrastructure/resource_management/resource_classes/urls.py
index 8f4b4125..c4f48fcf 100644
--- a/openstack_dashboard/dashboards/infrastructure/resource_management/resource_classes/urls.py
+++ b/openstack_dashboard/dashboards/infrastructure/resource_management/resource_classes/urls.py
@@ -15,7 +15,7 @@
 from django.conf.urls.defaults import patterns, url, include
 
 from .views import (CreateView, UpdateView, DetailView, UpdateRacksView,
-                    UpdateFlavorsView)
+                    UpdateFlavorsView, DetailUpdateView, DetailActionView)
 
 RESOURCE_CLASS = r'^(?P<resource_class_id>[^/]+)/%s$'
 VIEW_MOD = 'openstack_dashboard.dashboards.infrastructure.' \
@@ -27,6 +27,10 @@ urlpatterns = patterns(
     url(r'^(?P<resource_class_id>[^/]+)/$',
         DetailView.as_view(), name='detail'),
     url(RESOURCE_CLASS % 'update', UpdateView.as_view(), name='update'),
+    url(RESOURCE_CLASS % 'detail_action', DetailActionView.as_view(),
+        name='detail_action'),
+    url(RESOURCE_CLASS % 'detail_update', DetailUpdateView.as_view(),
+        name='detail_update'),
     url(RESOURCE_CLASS % 'update_racks', UpdateRacksView.as_view(),
         name='update_racks'),
     url(RESOURCE_CLASS % 'update_flavors', UpdateFlavorsView.as_view(),
diff --git a/openstack_dashboard/dashboards/infrastructure/resource_management/resource_classes/views.py b/openstack_dashboard/dashboards/infrastructure/resource_management/resource_classes/views.py
index 272057df..a8c9e89c 100644
--- a/openstack_dashboard/dashboards/infrastructure/resource_management/resource_classes/views.py
+++ b/openstack_dashboard/dashboards/infrastructure/resource_management/resource_classes/views.py
@@ -34,8 +34,10 @@ from horizon import workflows
 
 from openstack_dashboard import api
 
+from .forms import DeleteForm
 from .workflows import (CreateResourceClass, UpdateResourceClass,
-                        UpdateRacksWorkflow, UpdateFlavorsWorkflow)
+                        UpdateRacksWorkflow, UpdateFlavorsWorkflow,
+                        DetailUpdateWorkflow)
 from .tables import ResourceClassesTable
 from .tabs import ResourceClassDetailTabs
 
@@ -79,6 +81,10 @@ class UpdateView(workflows.WorkflowView):
                 'service_type': resource_class.service_type}
 
 
+class DetailUpdateView(UpdateView):
+    workflow_class = DetailUpdateWorkflow
+
+
 class UpdateRacksView(UpdateView):
     workflow_class = UpdateRacksWorkflow
 
@@ -121,6 +127,46 @@ class DetailView(tabs.TabView):
                                     **kwargs)
 
 
+class DetailActionView(forms.ModalFormView):
+    template_name = ('infrastructure/resource_management/'
+                     'resource_classes/action.html')
+
+    def get_form(self, form_class):
+        """
+        Returns an instance of the form to be used in this view.
+        """
+        try:
+            action = self.request.GET.get('action')
+            if action == "delete":
+                form_class = DeleteForm
+
+            return form_class(self.request, **self.get_form_kwargs())
+        except:
+            exceptions.handle(self.request, _("Unable to build an Action."))
+
+    def get_success_url(self):
+        # FIXME this should be set on form level
+        return reverse("horizon:infrastructure:resource_management:index")
+
+    def get_context_data(self, **kwargs):
+        context = super(DetailActionView, self).get_context_data(**kwargs)
+        context['resource_class_id'] = self.kwargs['resource_class_id']
+        context['action'] = context['form'].initial.get('action', None)
+        context['header'] = context['form'].command.header
+        return context
+
+    def get_initial(self):
+        try:
+            resource_class = api.tuskar.ResourceClass.get(
+                self.request, self.kwargs['resource_class_id'])
+            action = self.request.GET.get('action')
+        except:
+            exceptions.handle(self.request,
+                              _("Unable to retrieve resource class data."))
+        return {'resource_class': resource_class,
+                'action': action}
+
+
 def rack_health(request, resource_class_id=None):
     # FIXME replace mock data
     random.seed()
diff --git a/openstack_dashboard/dashboards/infrastructure/resource_management/resource_classes/workflows.py b/openstack_dashboard/dashboards/infrastructure/resource_management/resource_classes/workflows.py
index 700d47bb..54b31c3f 100644
--- a/openstack_dashboard/dashboards/infrastructure/resource_management/resource_classes/workflows.py
+++ b/openstack_dashboard/dashboards/infrastructure/resource_management/resource_classes/workflows.py
@@ -293,6 +293,15 @@ class UpdateResourceClass(ResourceClassWorkflowMixin, workflows.Workflow):
         return True
 
 
+class DetailUpdateWorkflow(UpdateResourceClass):
+    def get_index_url(self):
+        """This url is used both as success and failure url"""
+        url = "horizon:infrastructure:resource_management:resource_classes:"\
+              "detail"
+        return "%s?tab=resource_class_details__overview" % (
+            reverse(url, args=(self.context["resource_class_id"])))
+
+
 class UpdateRacksWorkflow(UpdateResourceClass):
     def get_index_url(self):
         """This url is used both as success and failure url"""
diff --git a/openstack_dashboard/dashboards/infrastructure/resource_management/templates/resource_management/resource_classes/_action.html b/openstack_dashboard/dashboards/infrastructure/resource_management/templates/resource_management/resource_classes/_action.html
new file mode 100644
index 00000000..5f7108ea
--- /dev/null
+++ b/openstack_dashboard/dashboards/infrastructure/resource_management/templates/resource_management/resource_classes/_action.html
@@ -0,0 +1,22 @@
+{% extends "horizon/common/_modal_form.html" %}
+{% load i18n %}
+{% load url from future %}
+{% block form_id %}resource_class_action_form{% endblock %}
+{% block form_action %}
+    {% url 'horizon:infrastructure:resource_management:resource_classes:detail_action' resource_class_id %}?action={{ action }}
+{% endblock %}
+{% block modal_id %}resource_class_action_modal{% endblock %}
+{% block modal-header %}{{header}}{% endblock %}
+{% block modal-body %}
+<div>
+  {% trans "Are you sure?" %}
+  <fieldset>
+  {% include "horizon/common/_form_fields.html" %}
+  </fieldset>
+</div>
+{% endblock %}
+{% block modal-footer %}
+  <input class="btn btn-primary" type="submit" value="{% trans "Yes" %}" />
+  <a href="{% url 'horizon:infrastructure:resource_management:resource_classes:detail' resource_class_id %}"
+     class="btn secondary cancel close">{% trans "Cancel" %}</a>
+{% endblock %}
diff --git a/openstack_dashboard/dashboards/infrastructure/resource_management/templates/resource_management/resource_classes/action.html b/openstack_dashboard/dashboards/infrastructure/resource_management/templates/resource_management/resource_classes/action.html
new file mode 100644
index 00000000..c2b03cf1
--- /dev/null
+++ b/openstack_dashboard/dashboards/infrastructure/resource_management/templates/resource_management/resource_classes/action.html
@@ -0,0 +1,9 @@
+{% extends 'infrastructure/base.html' %}
+{% load i18n %}
+{% block title %}{% trans "Resource Class Action Confirmation" %}{% endblock %}
+{% block page_header %}
+  {% include "horizon/common/_page_header.html" with title=_("Resource Class Action") %}
+{% endblock page_header %}
+{% block infrastructure_main %}
+    {% include "infrastructure/resource_management/resource_classes/_edit_status.html" %}
+{% endblock %}
diff --git a/openstack_dashboard/dashboards/infrastructure/resource_management/templates/resource_management/resource_classes/detail.html b/openstack_dashboard/dashboards/infrastructure/resource_management/templates/resource_management/resource_classes/detail.html
index 566929c4..ea39d5df 100644
--- a/openstack_dashboard/dashboards/infrastructure/resource_management/templates/resource_management/resource_classes/detail.html
+++ b/openstack_dashboard/dashboards/infrastructure/resource_management/templates/resource_management/resource_classes/detail.html
@@ -17,6 +17,27 @@
 
 {% block name %}{{ resource_class.name }}{% endblock %}
 
+{% block actions %}
+  <div class="btn-group">
+    <a class="btn ajax-modal"
+       href="{% url 'horizon:infrastructure:resource_management:resource_classes:detail_update' resource_class.id %}">
+      {% trans "Edit" %}
+    </a>
+    <a {% if resource_class.deletable %}
+          class="btn ajax-modal"
+          href="{% url 'horizon:infrastructure:resource_management:resource_classes:detail_action' resource_class.id %}?action=delete"
+       {% else %}
+          title="{% trans "Resource Class contains racks and can't be deleted." %}"
+          class="btn disabled"
+          href="#"
+       {% endif %}
+       >
+      {% trans "Delete" %}
+    </a>
+  </div>
+{% endblock %}
+
+
 {% block overall_usage %}
   <table class="capacities overall_usage">
     <tr>