Add create action support

Partially implements blueprint mistral-dashboard-crud-operations

Change-Id: Ibb45f55e72ab37c3942a165b7f9a51522ce75d26

mistraldashboard/actions/forms.py

@@ -0,0 +1,80 @@
+# Copyright 2015 Huawei Technologies Co., Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+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 mistraldashboard import api
+
+
+class CreateForm(forms.SelfHandlingForm):
+    definition_source = forms.ChoiceField(
+        label=_('Definition Source'),
+        choices=[('file', _('File')),
+                 ('raw', _('Direct Input'))],
+        widget=forms.Select(
+            attrs={'class': 'switchable',
+                   'data-slug': 'definitionsource'})
+    )
+    definition_upload = forms.FileField(
+        label=_('Definition File'),
+        help_text=_('A local definition to upload.'),
+        widget=forms.FileInput(
+            attrs={'class': 'switched',
+                   'data-switch-on': 'definitionsource',
+                   'data-definitionsource-file': _('Definition File')}
+        ),
+        required=False
+    )
+    definition_data = forms.CharField(
+        label=_('Definition Data'),
+        help_text=_('The raw contents of the definition.'),
+        widget=forms.widgets.Textarea(
+            attrs={'class': 'switched',
+                   'data-switch-on': 'definitionsource',
+                   'data-definitionsource-raw': _('Definition Data'),
+                   'rows': 4}
+        ),
+        required=False
+    )
+
+    def clean(self):
+        cleaned_data = super(CreateForm, self).clean()
+
+        if cleaned_data.get('definition_upload'):
+            files = self.request.FILES
+            cleaned_data['definition'] = files['definition_upload'].read()
+        elif cleaned_data.get('definition_data'):
+            cleaned_data['definition'] = cleaned_data['definition_data']
+        else:
+            raise forms.ValidationError(
+                _('You must specify the definition source.'))
+
+        return cleaned_data
+
+    def handle(self, request, data):
+        try:
+            api.action_create(request, data['definition'])
+            msg = _('Successfully created action.')
+            messages.success(request, msg)
+
+            return True
+        except Exception:
+            msg = _('Failed to create action.')
+            redirect = reverse('horizon:mistral:actions:index')
+            exceptions.handle(request, msg, redirect=redirect)

mistraldashboard/actions/tables.py

@@ -18,6 +18,14 @@ from horizon import tables
 from horizon.utils import filters
 
 
+class CreateAction(tables.LinkAction):
+    name = "create"
+    verbose_name = _("Create Action")
+    url = "horizon:mistral:actions:create"
+    classes = ("ajax-modal",)
+    icon = "plus"
+
+
 def tags_to_string(action):
     return ', '.join(action.tags) if action.tags else None
 
@@ -64,3 +72,4 @@ class ActionsTable(tables.DataTable):
     class Meta(object):
         name = "actions"
         verbose_name = _("Actions")
+        table_actions = (CreateAction,)

mistraldashboard/actions/templates/actions/_create.html

@@ -0,0 +1,7 @@
+{% extends "horizon/common/_modal_form.html" %}
+{% load i18n %}
+{% block form_attrs %}enctype="multipart/form-data"{% endblock %}
+{% block modal-body-right %}
+  <h3>{% trans "Description:" %}</h3>
+  <p>{% trans "Create a new action with the provided definition." %}</p>
+{% endblock %}

mistraldashboard/actions/templates/actions/create.html

@@ -0,0 +1,7 @@
+{% extends 'base.html' %}
+{% load i18n %}
+{% block title %}{% trans "Create Action" %}{% endblock %}
+
+{% block main %}
+  {% include 'mistral/actions/_create.html' %}
+{% endblock %}

mistraldashboard/actions/urls.py

@@ -23,4 +23,5 @@ urlpatterns = patterns(
     '',
     url(r'^$', views.IndexView.as_view(), name='index'),
     url(ACTIONS % 'detail', views.DetailView.as_view(), name='detail'),
+    url(r'^create$', views.CreateView.as_view(), name='create'),
 )

mistraldashboard/actions/views.py

@@ -13,16 +13,30 @@
 # limitations under the License.
 
 from django.core.urlresolvers import reverse
+from django.core.urlresolvers import reverse_lazy
 from django.utils.translation import ugettext_lazy as _
 from django.views import generic
 
 from horizon import exceptions
+from horizon import forms
 from horizon import tables
 
+from mistraldashboard.actions import forms as mistral_forms
 from mistraldashboard.actions.tables import ActionsTable
 from mistraldashboard import api
 
 
+class CreateView(forms.ModalFormView):
+    template_name = 'mistral/actions/create.html'
+    modal_header = _("Create Action")
+    form_id = "create_action"
+    form_class = mistral_forms.CreateForm
+    submit_label = _("Create")
+    submit_url = reverse_lazy("horizon:mistral:actions:create")
+    success_url = reverse_lazy('horizon:mistral:actions:index')
+    page_title = _("Create Action")
+
+
 class IndexView(tables.DataTableView):
     table_class = ActionsTable
     template_name = 'mistral/actions/index.html'

mistraldashboard/api.py

@@ -203,3 +203,12 @@ def action_get(request, action_name):
     """
 
     return mistralclient(request).actions.get(action_name)
+
+
+def action_create(request, action_definition):
+    """Create action.
+
+    :param action_definition: Action definition
+    """
+
+    return mistralclient(request).actions.create(action_definition)