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Diffstat (limited to 'openstack_dashboard/dashboards/project/containers/views.py')
| -rw-r--r-- | openstack_dashboard/dashboards/project/containers/views.py | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/openstack_dashboard/dashboards/project/containers/views.py b/openstack_dashboard/dashboards/project/containers/views.py new file mode 100644 index 000000000..5b0273e2c --- /dev/null +++ b/openstack_dashboard/dashboards/project/containers/views.py @@ -0,0 +1,218 @@ +# vim: tabstop=4 shiftwidth=4 softtabstop=4 + +# Copyright 2012 United States Government as represented by the +# Administrator of the National Aeronautics and Space Administration. +# All Rights Reserved. +# +# Copyright 2012 Nebula, Inc. +# +# 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. + +""" +Views for managing Swift containers. +""" +import os + +from django import http +from django.core.urlresolvers import reverse +from django.utils.translation import ugettext_lazy as _ + +from horizon import browsers +from horizon import exceptions +from horizon import forms + +from openstack_dashboard import api +from openstack_dashboard.api import FOLDER_DELIMITER +from .browsers import ContainerBrowser +from .forms import CreateContainer, UploadObject, CopyObject +from .tables import wrap_delimiter + + +class ContainerView(browsers.ResourceBrowserView): + browser_class = ContainerBrowser + template_name = "project/containers/index.html" + + def get_containers_data(self): + containers = [] + self._more = None + marker = self.request.GET.get('marker', None) + try: + containers, self._more = api.swift_get_containers(self.request, + marker=marker) + except: + msg = _('Unable to retrieve container list.') + exceptions.handle(self.request, msg) + return containers + + @property + def objects(self): + """ Returns a list of objects given the subfolder's path. + + The path is from the kwargs of the request. + """ + if not hasattr(self, "_objects"): + objects = [] + self._more = None + marker = self.request.GET.get('marker', None) + container_name = self.kwargs['container_name'] + subfolder = self.kwargs['subfolder_path'] + prefix = None + if container_name: + self.navigation_selection = True + if subfolder: + prefix = subfolder + try: + objects, self._more = api.swift_get_objects(self.request, + container_name, + marker=marker, + prefix=prefix) + except: + self._more = None + objects = [] + msg = _('Unable to retrieve object list.') + exceptions.handle(self.request, msg) + self._objects = objects + return self._objects + + def is_subdir(self, item): + return getattr(item, "content_type", None) == "application/directory" + + def get_objects_data(self): + """ Returns a list of objects within the current folder. """ + filtered_objects = [item for item in self.objects + if not self.is_subdir(item)] + return filtered_objects + + def get_subfolders_data(self): + """ Returns a list of subfolders within the current folder. """ + filtered_objects = [item for item in self.objects + if self.is_subdir(item)] + return filtered_objects + + def get_context_data(self, **kwargs): + context = super(ContainerView, self).get_context_data(**kwargs) + context['container_name'] = self.kwargs["container_name"] + context['subfolders'] = [] + if self.kwargs["subfolder_path"]: + (parent, slash, folder) = self.kwargs["subfolder_path"].\ + strip('/').rpartition('/') + while folder: + path = "%s%s%s/" % (parent, slash, folder) + context['subfolders'].insert(0, (folder, path)) + (parent, slash, folder) = parent.rpartition('/') + return context + + +class CreateView(forms.ModalFormView): + form_class = CreateContainer + template_name = 'project/containers/create.html' + success_url = "horizon:project:containers:index" + + def get_success_url(self): + parent = self.request.POST.get('parent', None) + if parent: + container, slash, remainder = parent.partition(FOLDER_DELIMITER) + container += FOLDER_DELIMITER + if remainder and not remainder.endswith(FOLDER_DELIMITER): + remainder = "".join([remainder, FOLDER_DELIMITER]) + return reverse(self.success_url, args=(container, remainder)) + else: + return reverse(self.success_url, args=[self.request.POST['name'] + + FOLDER_DELIMITER]) + + def get_initial(self): + initial = super(CreateView, self).get_initial() + initial['parent'] = self.kwargs['container_name'] + return initial + + +class UploadView(forms.ModalFormView): + form_class = UploadObject + template_name = 'project/containers/upload.html' + success_url = "horizon:project:containers:index" + + def get_success_url(self): + container_name = self.request.POST['container_name'] + return reverse(self.success_url, + args=(wrap_delimiter(container_name), + self.request.POST.get('path', ''))) + + def get_initial(self): + return {"container_name": self.kwargs["container_name"], + "path": self.kwargs['subfolder_path']} + + def get_context_data(self, **kwargs): + context = super(UploadView, self).get_context_data(**kwargs) + context['container_name'] = self.kwargs["container_name"] + return context + + +def object_download(request, container_name, object_path): + try: + obj = api.swift.swift_get_object(request, container_name, object_path) + except: + redirect = reverse("horizon:project:containers:index") + exceptions.handle(request, + _("Unable to retrieve object."), + redirect=redirect) + # Add the original file extension back on if it wasn't preserved in the + # name given to the object. + filename = object_path.rsplit(FOLDER_DELIMITER)[-1] + if not os.path.splitext(obj.name)[1] and obj.orig_name: + name, ext = os.path.splitext(obj.orig_name) + filename = "%s%s" % (filename, ext) + response = http.HttpResponse() + safe_name = filename.replace(",", "").encode('utf-8') + response['Content-Disposition'] = 'attachment; filename=%s' % safe_name + response['Content-Type'] = 'application/octet-stream' + response.write(obj.data) + return response + + +class CopyView(forms.ModalFormView): + form_class = CopyObject + template_name = 'project/containers/copy.html' + success_url = "horizon:project:containers:index" + + def get_success_url(self): + new_container_name = self.request.POST['new_container_name'] + return reverse(self.success_url, + args=(wrap_delimiter(new_container_name), + self.request.POST.get('path', ''))) + + def get_form_kwargs(self): + kwargs = super(CopyView, self).get_form_kwargs() + try: + containers = api.swift_get_containers(self.request) + except: + redirect = reverse("horizon:project:containers:index") + exceptions.handle(self.request, + _('Unable to list containers.'), + redirect=redirect) + kwargs['containers'] = [(c.name, c.name) for c in containers[0]] + return kwargs + + def get_initial(self): + path = self.kwargs["subfolder_path"] + orig = "%s%s" % (path or '', self.kwargs["object_name"]) + return {"new_container_name": self.kwargs["container_name"], + "orig_container_name": self.kwargs["container_name"], + "orig_object_name": orig, + "path": path, + "new_object_name": "%s copy" % self.kwargs["object_name"]} + + def get_context_data(self, **kwargs): + context = super(CopyView, self).get_context_data(**kwargs) + context['container_name'] = self.kwargs["container_name"] + context['object_name'] = self.kwargs["object_name"] + return context |