dashboard: add delete view for Endpoint

circle/dashboard/static/dashboard/dashboard.js

@@ -29,17 +29,24 @@ $(function () {
     return false;
   });
 
-  $('.group-create, .node-create, .tx-tpl-ownership, .group-delete, .node-delete, .disk-remove, .template-delete, .delete-from-group, .lease-delete').click(function(e) {
+  $('.group-create, .node-create, .tx-tpl-ownership, .group-delete, .node-delete, .disk-remove, .template-delete, .delete-from-group, .lease-delete, .endpoint-delete').click(function(e) {
     $.ajax({
       type: 'GET',
       url: $(this).prop('href'),
-      success: function(data) {
-        $('body').append(data);
-        var modal = $('#confirmation-modal');
-        modal.modal('show');
-        modal.on('hidden.bs.modal', function() {
-          modal.remove();
-        });
+      success: function(data, _, xhr) {
+        var ctype = xhr.getResponseHeader("content-type") || "";
+        if(ctype.indexOf("html") > -1) {
+          $('body').append(data);
+          var modal = $('#confirmation-modal');
+          modal.modal('show');
+          modal.on('hidden.bs.modal', function() {
+            modal.remove();
+          });
+        }
+        else if(ctype.indexOf("json") > -1) {
+          if(data.error !== null && data.error !== undefined)
+            addMessage(data.error, "warning");
+        }
       },
       error: function(xhr, textStatus, error) {
         if(xhr.status === 403) {

circle/dashboard/static/dashboard/dashboard.less

@@ -348,6 +348,9 @@ a.hover-black {
   width: 100px;
 }
 
+.endpoint-list-table-thin {
+  width: 70px;
+}
 
 .nojs-dropdown-menu
 {

circle/dashboard/tables.py

@@ -430,6 +430,13 @@ class EndpointListTable(Table):
         attrs={'th': {'data-sort': "string"}}
     )
 
+    actions = TemplateColumn(
+        verbose_name=_("Actions"),
+        template_name="dashboard/endpoint-list/column-endpoint-actions.html",
+        attrs={'th': {'class': 'endpoint-list-table-thin'}},
+        orderable=False,
+    )
+
     class Meta:
         model = DataStore
         attrs = {'class': ('table table-bordered table-striped table-hover'

circle/dashboard/templates/dashboard/endpoint-edit.html

@@ -41,4 +41,14 @@
   </div><!-- .panel-body -->
 </div>
 
+<div class="panel panel-default">
+  <div class="panel-heading">
+    <a href="{% url "dashboard.views.storage-endpoint-delete" pk=object.pk %}"
+     class="btn btn-xs btn-danger pull-right endpoint-delete">
+      {% trans "Delete" %}
+    </a>
+    <h4 class="no-margin"><i class="fa fa-times"></i> {% trans "Delete endpoint"  %}</h4>
+  </div>
+</div>
+
 {% endblock %} 

circle/dashboard/templates/dashboard/endpoint-list/column-endpoint-actions.html

+{% load i18n %}
+<a href="{% url "dashboard.views.storage-endpoint-edit" pk=record.pk%}" id="endpoint-list-edit-button" class="btn btn-default btn-xs" title="{% trans "Edit" %}">
+  <i class="fa fa-edit"></i>
+</a>
+<a href="{% url "dashboard.views.storage-endpoint-delete" pk=record.pk %}" class="btn btn-danger btn-xs endpoint-delete" title="{% trans "Delete" %}">
+  <i class="fa fa-times"></i>
+</a>

circle/dashboard/urls.py

@@ -54,7 +54,7 @@ from .views import (
     NodeActivityView,
     UserList,
     StorageDetail, StorageList, StorageChoose, StorageCreate, DiskDetail,
-    EndpointCreate, EndpointList, EndpointEdit,
+    EndpointCreate, EndpointList, EndpointEdit, EndpointDelete,
     MessageList, MessageDetail, MessageCreate, MessageDelete,
 )
 from .views.vm import vm_ops, vm_mass_ops
@@ -251,6 +251,8 @@ urlpatterns = patterns(
         name="dashboard.views.storage-endpoint-list"),
     url(r'^storage/endpoint/(?P<pk>\d+)/$', EndpointEdit.as_view(),
         name='dashboard.views.storage-endpoint-edit'),
+    url(r"^storage/endpoint/delete/(?P<pk>\d+)/$", EndpointDelete.as_view(),
+        name="dashboard.views.storage-endpoint-delete"),
 
     url(r'^disk/(?P<pk>\d+)/$', DiskDetail.as_view(),
         name="dashboard.views.disk-detail"),

circle/dashboard/views/storage.py

@@ -21,12 +21,16 @@ import logging
 from django.contrib import messages
 from django.core.urlresolvers import reverse, reverse_lazy
 from django.db.models import Q
-from django.utils.translation import ugettext_lazy as _
-from django.views.generic import UpdateView, TemplateView, CreateView
+from django.utils.translation import ugettext_lazy as _, ugettext
+from django.views.generic import (
+    UpdateView, TemplateView, CreateView, DeleteView
+)
 from django.contrib.messages.views import SuccessMessageMixin
 from django.shortcuts import redirect
 from django_tables2 import SingleTableView
-from django.http import Http404, HttpResponse
+from django.http import (
+    Http404, HttpResponse, HttpResponseRedirect, JsonResponse
+)
 from django.core.exceptions import PermissionDenied
 
 from braces.views import SuperuserRequiredMixin
@@ -389,5 +393,53 @@ class EndpointEdit(SuperuserRequiredMixin, UpdateView):
 
     def get_success_url(self):
         ds = self.get_object()
-        return reverse("dashboard.views.storage-endpoint-edit",
-                       kwargs={"pk": ds.id})
+        return reverse_lazy("dashboard.views.storage-endpoint-edit",
+                            kwargs={"pk": ds.id})
+
+
+class EndpointDelete(SuperuserRequiredMixin, DeleteView):
+    model = Endpoint
+    success_message = _("Endpoint successfully deleted.")
+
+    def get_template_names(self):
+        if self.request.is_ajax():
+            return ['dashboard/confirm/ajax-delete.html']
+        else:
+            return ['dashboard/confirm/base-delete.html']
+
+    def check_reference(self):
+        object = self.get_object()
+        if object.datastore_set.count() != 0:
+            raise PermissionDenied()
+
+    def get(self, request, *args, **kwargs):
+        try:
+            self.check_reference()
+        except PermissionDenied:
+            message = ugettext("Another object references"
+                               " to the selected object.")
+            if request.is_ajax():
+                return JsonResponse({"error": message})
+            else:
+                messages.warning(request, message)
+                return redirect(self.get_success_url())
+        return super(EndpointDelete, self).get(request, *args, **kwargs)
+
+    def get_success_url(self):
+        return reverse_lazy("dashboard.views.storage-endpoint-list")
+
+    def delete_obj(self, request, *args, **kwargs):
+        self.get_object().delete()
+
+    def delete(self, request, *args, **kwargs):
+        self.check_reference()
+        self.delete_obj(request, *args, **kwargs)
+
+        if request.is_ajax():
+            return HttpResponse(
+                json.dumps({'message': self.success_message}),
+                content_type="application/json",
+            )
+        else:
+            messages.success(request, self.success_message)
+            return HttpResponseRedirect(self.get_success_url())