0ba84f256d
Add document version preview and thumbnail widgets. Update the new version upload event have the version as the target and the document as the action object. Backported from the development branch. Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>
130 lines
3.9 KiB
Python
130 lines
3.9 KiB
Python
from __future__ import absolute_import, unicode_literals
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import logging
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from django.contrib import messages
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from django.shortcuts import get_object_or_404
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from django.utils.translation import ugettext_lazy as _
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from acls.models import AccessControlList
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from common.generics import (
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ConfirmView, SingleObjectDetailView, SingleObjectListView
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)
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from ..events import event_document_view
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from ..forms import DocumentVersionPreviewForm
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from ..models import Document, DocumentVersion
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from ..permissions import (
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permission_document_download, permission_document_version_revert,
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permission_document_version_view
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)
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from .document_views import DocumentDownloadFormView, DocumentDownloadView
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logger = logging.getLogger(__name__)
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class DocumentVersionListView(SingleObjectListView):
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def dispatch(self, request, *args, **kwargs):
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AccessControlList.objects.check_access(
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permissions=permission_document_version_view, user=request.user,
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obj=self.get_document()
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)
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self.get_document().add_as_recent_document_for_user(request.user)
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return super(
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DocumentVersionListView, self
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).dispatch(request, *args, **kwargs)
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def get_document(self):
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return get_object_or_404(Document, pk=self.kwargs['pk'])
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def get_extra_context(self):
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return {
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'list_as_items': True,
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'object': self.get_document(),
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'title': _('Versions of document: %s') % self.get_document(),
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}
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def get_queryset(self):
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return self.get_document().versions.order_by('-timestamp')
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class DocumentVersionRevertView(ConfirmView):
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object_permission = permission_document_version_revert
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object_permission_related = 'document'
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def get_extra_context(self):
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return {
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'message': _(
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'All later version after this one will be deleted too.'
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),
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'object': self.get_object().document,
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'title': _('Revert to this version?'),
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}
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def get_object(self):
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return get_object_or_404(DocumentVersion, pk=self.kwargs['pk'])
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def view_action(self):
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try:
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self.get_object().revert(_user=self.request.user)
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messages.success(
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self.request, _('Document version reverted successfully')
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)
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except Exception as exception:
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messages.error(
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self.request,
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_('Error reverting document version; %s') % exception
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)
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class DocumentVersionDownloadFormView(DocumentDownloadFormView):
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model = DocumentVersion
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multiple_download_view = None
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single_download_view = 'documents:document_version_download'
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def get_document_queryset(self):
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id_list = self.request.GET.get(
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'id_list', self.request.POST.get('id_list', '')
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)
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if not id_list:
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id_list = self.kwargs['pk']
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return self.model.objects.filter(
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pk__in=id_list.split(',')
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)
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class DocumentVersionDownloadView(DocumentDownloadView):
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model = DocumentVersion
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object_permission = permission_document_download
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class DocumentVersionView(SingleObjectDetailView):
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form_class = DocumentVersionPreviewForm
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model = DocumentVersion
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object_permission = permission_document_version_view
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def dispatch(self, request, *args, **kwargs):
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result = super(
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DocumentVersionView, self
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).dispatch(request, *args, **kwargs)
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self.get_object().document.add_as_recent_document_for_user(
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request.user
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)
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event_document_view.commit(
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actor=request.user, target=self.get_object().document
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)
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return result
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def get_extra_context(self):
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return {
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'hide_labels': True,
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'object': self.get_object(),
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'title': _('Preview of document version: %s') % self.get_object(),
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}
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