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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# 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.
import logging
from cloudfiles.errors import ContainerNotEmpty
from django.contrib import messages
from django.core.urlresolvers import reverse
from django.template.defaultfilters import filesizeformat
from django.utils import http
from django.utils.translation import ugettext_lazy as _
from horizon import api
from horizon import tables
LOG = logging.getLogger(__name__)
class DeleteContainer(tables.DeleteAction):
data_type_singular = _("Container")
data_type_plural = _("Containers")
def delete(self, request, obj_id):
try:
api.swift_delete_container(request, obj_id)
except ContainerNotEmpty:
messages.error(request,
_('Containers must be empty before deletion.'))
raise
class CreateContainer(tables.LinkAction):
name = "create"
verbose_name = _("Create Container")
url = "horizon:nova:containers:create"
classes = ("ajax-modal", "btn-create")
class ListObjects(tables.LinkAction):
name = "list_objects"
verbose_name = _("List Objects")
url = "horizon:nova:containers:object_index"
classes = ("btn-list",)
class UploadObject(tables.LinkAction):
name = "upload"
verbose_name = _("Upload Object")
url = "horizon:nova:containers:object_upload"
classes = ("ajax-modal", "btn-upload")
def get_link_url(self, datum=None):
# Usable for both the container and object tables
if getattr(datum, 'container', datum):
# This is an Container
container_name = http.urlquote(datum.name)
else:
# This is a table action and we already have the container name
container_name = self.table.kwargs['container_name']
return reverse(self.url, args=(container_name,))
def update(self, request, obj):
# This will only be called for the row, so we can remove the button
# styles meant for the table action version.
self.attrs = {'class': 'ajax-modal'}
def get_size_used(container):
return filesizeformat(container.size_used)
class ContainersTable(tables.DataTable):
name = tables.Column("name", link='horizon:nova:containers:object_index',
verbose_name=_("Container Name"))
objects = tables.Column("object_count",
verbose_name=_('Objects'),
empty_value="0")
size = tables.Column(get_size_used, verbose_name=_('Size'))
def get_object_id(self, container):
return container.name
class Meta:
name = "containers"
verbose_name = _("Containers")
table_actions = (CreateContainer, DeleteContainer)
row_actions = (ListObjects, UploadObject, DeleteContainer)
class DeleteObject(tables.DeleteAction):
data_type_singular = _("Object")
data_type_plural = _("Objects")
def delete(self, request, obj_id):
obj = self.table.get_object_by_id(obj_id)
container_name = obj.container.name
api.swift_delete_object(request, container_name, obj_id)
class CopyObject(tables.LinkAction):
name = "copy"
verbose_name = _("Copy")
url = "horizon:nova:containers:object_copy"
classes = ("ajax-modal", "btn-copy")
def get_link_url(self, obj):
return reverse(self.url, args=(http.urlquote(obj.container.name),
http.urlquote(obj.name)))
class DownloadObject(tables.LinkAction):
name = "download"
verbose_name = _("Download")
url = "horizon:nova:containers:object_download"
classes = ("btn-download",)
def get_link_url(self, obj):
#assert False, obj.__dict__['_apiresource'].__dict__
return reverse(self.url, args=(http.urlquote(obj.container.name),
http.urlquote(obj.name)))
class ObjectFilterAction(tables.FilterAction):
def filter(self, table, objects, filter_string):
""" Really naive case-insensitive search. """
q = filter_string.lower()
def comp(object):
if q in object.name.lower():
return True
return False
return filter(comp, objects)
def get_size(obj):
return filesizeformat(obj.size)
class ObjectsTable(tables.DataTable):
name = tables.Column("name", verbose_name=_("Object Name"))
size = tables.Column(get_size, verbose_name=_('Size'))
def get_object_id(self, obj):
return obj.name
class Meta:
name = "objects"
verbose_name = _("Objects")
table_actions = (ObjectFilterAction, UploadObject, DeleteObject)
row_actions = (DownloadObject, CopyObject, DeleteObject)
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