108 lines
3.5 KiB
Python
108 lines
3.5 KiB
Python
# Copyright (c) 2013 Mirantis, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import itertools
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from django.urls import reverse
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from django.urls import reverse_lazy
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from django.utils.translation import ugettext_lazy as _
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from horizon import exceptions
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from horizon.forms import views
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from horizon import tables as horizon_tables
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from horizon.utils import functions as utils
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from openstack_dashboard.api import glance
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from muranodashboard.images import forms
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from muranodashboard.images import tables
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class MarkedImagesView(horizon_tables.DataTableView):
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table_class = tables.MarkedImagesTable
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template_name = 'images/index.html'
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page_title = _("Marked Images")
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def has_prev_data(self, table):
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return self._prev
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def has_more_data(self, table):
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return self._more
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def get_data(self):
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prev_marker = self.request.GET.get(
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tables.MarkedImagesTable._meta.prev_pagination_param, None)
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if prev_marker is not None:
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sort_dir = 'asc'
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marker = prev_marker
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else:
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sort_dir = 'desc'
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marker = self.request.GET.get(
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tables.MarkedImagesTable._meta.pagination_param, None)
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page_size = utils.get_page_size(self.request)
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request_size = page_size + 1
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kwargs = {'filters': {}}
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if marker:
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kwargs['marker'] = marker
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kwargs['sort_dir'] = sort_dir
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images = []
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self._prev = False
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self._more = False
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glance_v2_client = glance.glanceclient(self.request)
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try:
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images_iter = glance_v2_client.images.list(
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**kwargs)
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except Exception:
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msg = _('Unable to retrieve list of images')
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uri = reverse('horizon:app-catalog:catalog:index')
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exceptions.handle(self.request, msg, redirect=uri)
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marked_images_iter = forms.filter_murano_images(
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images_iter,
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request=self.request)
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images = list(itertools.islice(marked_images_iter, request_size))
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# first and middle page condition
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if len(images) > page_size:
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images.pop(-1)
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self._more = True
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# middle page condition
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if marker is not None:
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self._prev = True
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# first page condition when reached via prev back
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elif sort_dir == 'asc' and marker is not None:
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self._more = True
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# last page condition
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elif marker is not None:
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self._prev = True
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if prev_marker is not None:
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images.reverse()
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return images
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class MarkImageView(views.ModalFormView):
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form_class = forms.MarkImageForm
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form_id = 'mark_murano_image_form'
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modal_header = _('Add Murano Metadata')
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template_name = 'images/mark.html'
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context_object_name = 'image'
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page_title = _("Update Image")
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success_url = reverse_lazy('horizon:app-catalog:images:index')
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submit_label = _('Mark Image')
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submit_url = reverse_lazy('horizon:app-catalog:images:mark_image')
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