48fc36d54e
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. 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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