809 lines
24 KiB
Python
809 lines
24 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.core.exceptions import PermissionDenied
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from django.http import HttpResponseRedirect
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from django.shortcuts import get_object_or_404
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from django.urls import reverse, reverse_lazy
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from django.utils.http import urlencode
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from django.utils.translation import ugettext_lazy as _, ungettext
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from acls.models import AccessControlList
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from common.compressed_files import CompressedFile
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from common.generics import (
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ConfirmView, FormView, MultipleObjectConfirmActionView,
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MultipleObjectFormActionView, SingleObjectDetailView,
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SingleObjectDownloadView, SingleObjectEditView, SingleObjectListView
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)
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from common.mixins import MultipleInstanceActionMixin
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from common.utils import encapsulate
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from converter.models import Transformation
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from converter.permissions import (
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permission_transformation_delete, permission_transformation_edit
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)
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from ..events import event_document_download, event_document_view
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from ..forms import (
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DocumentDownloadForm, DocumentForm, DocumentPageNumberForm,
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DocumentPreviewForm, DocumentPrintForm, DocumentPropertiesForm,
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DocumentTypeSelectForm,
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)
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from ..literals import PAGE_RANGE_RANGE, DEFAULT_ZIP_FILENAME
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from ..models import (
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DeletedDocument, Document, DuplicatedDocument, RecentDocument
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)
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from ..permissions import (
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permission_document_delete, permission_document_download,
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permission_document_print, permission_document_properties_edit,
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permission_document_restore, permission_document_tools,
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permission_document_trash, permission_document_view,
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permission_empty_trash
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)
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from ..settings import setting_print_width, setting_print_height
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from ..tasks import task_delete_document, task_update_page_count
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from ..utils import parse_range
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logger = logging.getLogger(__name__)
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class DocumentListView(SingleObjectListView):
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object_permission = permission_document_view
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def get_document_queryset(self):
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return Document.objects.defer(
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'description', 'uuid', 'date_added', 'language', 'in_trash',
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'deleted_date_time'
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).all()
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def get_extra_context(self):
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return {
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'hide_links': True,
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'list_as_items': True,
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'title': _('All documents'),
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}
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def get_object_list(self):
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return self.get_document_queryset().filter(is_stub=False)
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class DeletedDocumentListView(DocumentListView):
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object_permission = None
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def get_document_queryset(self):
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return AccessControlList.objects.filter_by_access(
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permission_document_view, self.request.user,
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queryset=DeletedDocument.trash.all()
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)
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def get_extra_context(self):
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context = super(DeletedDocumentListView, self).get_extra_context()
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context.update(
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{
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'title': _('Documents in trash'),
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}
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)
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return context
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class DeletedDocumentDeleteView(ConfirmView):
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extra_context = {
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'title': _('Delete the selected document?')
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}
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def object_action(self, instance):
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source_document = get_object_or_404(
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Document.passthrough, pk=instance.pk
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)
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AccessControlList.objects.check_access(
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permissions=permission_document_delete, user=self.request.user,
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obj=source_document
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)
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task_delete_document.apply_async(
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kwargs={'deleted_document_id': instance.pk}
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)
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def view_action(self):
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instance = get_object_or_404(DeletedDocument, pk=self.kwargs['pk'])
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self.object_action(instance=instance)
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messages.success(
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self.request, _('Document: %(document)s deleted.') % {
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'document': instance
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}
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)
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class DeletedDocumentDeleteManyView(MultipleInstanceActionMixin, DeletedDocumentDeleteView):
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extra_context = {
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'title': _('Delete the selected documents?')
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}
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model = DeletedDocument
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success_message = '%(count)d document deleted.'
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success_message_plural = '%(count)d documents deleted.'
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class DocumentDocumentTypeEditView(MultipleObjectFormActionView):
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form_class = DocumentTypeSelectForm
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model = Document
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object_permission = permission_document_properties_edit
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success_message = _(
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'Document type change request performed on %(count)d document'
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)
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success_message_plural = _(
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'Document type change request performed on %(count)d documents'
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)
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def get_extra_context(self):
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queryset = self.get_queryset()
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result = {
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'submit_label': _('Change'),
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'title': ungettext(
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'Change the type of the selected document',
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'Change the type of the selected documents',
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queryset.count()
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)
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}
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if queryset.count() == 1:
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result.update(
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{
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'object': queryset.first(),
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'title': _(
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'Change the type of the document: %s'
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) % queryset.first()
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}
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)
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return result
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def get_form_extra_kwargs(self):
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result = {
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'user': self.request.user
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}
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return result
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def object_action(self, form, instance):
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instance.set_document_type(
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form.cleaned_data['document_type'], _user=self.request.user
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)
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messages.success(
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self.request, _(
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'Document type for "%s" changed successfully.'
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) % instance
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)
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class DocumentDuplicatesListView(DocumentListView):
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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_view, user=self.request.user,
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obj=self.get_document()
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)
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return super(
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DocumentDuplicatesListView, 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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context = super(DocumentDuplicatesListView, self).get_extra_context()
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context.update(
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{
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'object': self.get_document(),
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'title': _('Duplicates for document: %s') % self.get_document(),
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}
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)
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return context
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def get_object_list(self):
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try:
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return DuplicatedDocument.objects.get(
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document=self.get_document()
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).documents.all()
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except DuplicatedDocument.DoesNotExist:
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return Document.objects.none()
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class DocumentEditView(SingleObjectEditView):
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form_class = DocumentForm
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model = Document
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object_permission = permission_document_properties_edit
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def dispatch(self, request, *args, **kwargs):
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result = super(
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DocumentEditView, self
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).dispatch(request, *args, **kwargs)
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self.get_object().add_as_recent_document_for_user(request.user)
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return result
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def get_extra_context(self):
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return {
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'object': self.get_object(),
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'title': _('Edit properties of document: %s') % self.get_object(),
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}
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def get_save_extra_data(self):
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return {
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'_user': self.request.user
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}
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def get_post_action_redirect(self):
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return reverse(
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'documents:document_properties', args=(self.get_object().pk,)
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)
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class DocumentRestoreView(ConfirmView):
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extra_context = {
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'title': _('Restore the selected document?')
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}
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def object_action(self, instance):
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source_document = get_object_or_404(
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Document.passthrough, pk=instance.pk
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)
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AccessControlList.objects.check_access(
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permissions=permission_document_restore, user=self.request.user,
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obj=source_document
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)
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instance.restore()
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def view_action(self):
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instance = get_object_or_404(DeletedDocument, pk=self.kwargs['pk'])
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self.object_action(instance=instance)
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messages.success(
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self.request, _('Document: %(document)s restored.') % {
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'document': instance
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}
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)
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class DocumentRestoreManyView(MultipleInstanceActionMixin, DocumentRestoreView):
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extra_context = {
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'title': _('Restore the selected documents?')
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}
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model = DeletedDocument
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success_message = '%(count)d document restored.'
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success_message_plural = '%(count)d documents restored.'
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class DocumentPreviewView(SingleObjectDetailView):
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form_class = DocumentPreviewForm
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model = Document
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object_permission = permission_document_view
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def dispatch(self, request, *args, **kwargs):
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result = super(
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DocumentPreviewView, self
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).dispatch(request, *args, **kwargs)
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self.get_object().add_as_recent_document_for_user(request.user)
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event_document_view.commit(
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actor=request.user, target=self.get_object()
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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: %s') % self.get_object(),
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}
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class DocumentTrashView(ConfirmView):
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def get_extra_context(self):
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return {
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'object': self.get_object(),
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'title': _('Move "%s" to the trash?') % self.get_object()
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}
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def get_object(self):
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return get_object_or_404(Document, pk=self.kwargs['pk'])
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def get_post_action_redirect(self):
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return reverse('documents:document_list_recent')
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def object_action(self, instance):
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AccessControlList.objects.check_access(
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permissions=permission_document_trash, user=self.request.user,
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obj=instance
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)
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instance.delete()
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def view_action(self):
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instance = self.get_object()
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self.object_action(instance=instance)
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messages.success(
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self.request, _('Document: %(document)s moved to trash successfully.') % {
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'document': instance
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}
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)
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class DocumentTrashManyView(MultipleInstanceActionMixin, DocumentTrashView):
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model = Document
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success_message = '%(count)d document moved to the trash.'
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success_message_plural = '%(count)d documents moved to the trash.'
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def get_extra_context(self):
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return {
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'title': _('Move the selected documents to the trash?')
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}
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class DocumentView(SingleObjectDetailView):
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form_class = DocumentPropertiesForm
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model = Document
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object_permission = permission_document_view
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def dispatch(self, request, *args, **kwargs):
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result = super(DocumentView, self).dispatch(request, *args, **kwargs)
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self.get_object().add_as_recent_document_for_user(request.user)
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return result
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def get_extra_context(self):
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return {
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'document': self.get_object(),
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'object': self.get_object(),
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'title': _('Properties for document: %s') % self.get_object(),
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}
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class EmptyTrashCanView(ConfirmView):
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extra_context = {
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'title': _('Empty trash?')
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}
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view_permission = permission_empty_trash
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action_cancel_redirect = post_action_redirect = reverse_lazy(
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'documents:document_list_deleted'
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)
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def view_action(self):
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for deleted_document in DeletedDocument.objects.all():
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task_delete_document.apply_async(
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kwargs={'deleted_document_id': deleted_document.pk}
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)
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messages.success(self.request, _('Trash emptied successfully'))
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class RecentDocumentListView(DocumentListView):
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def get_document_queryset(self):
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return RecentDocument.objects.get_for_user(self.request.user)
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def get_extra_context(self):
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context = super(RecentDocumentListView, self).get_extra_context()
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context.update(
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{
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'title': _('Recent documents'),
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}
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)
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return context
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class DocumentDownloadFormView(FormView):
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form_class = DocumentDownloadForm
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model = Document
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multiple_download_view = 'documents:document_multiple_download'
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querystring_form_fields = ('compressed', 'zip_filename')
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single_download_view = 'documents:document_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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).filter(is_stub=False)
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def get_extra_context(self):
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subtemplates_list = [
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{
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'name': 'appearance/generic_list_items_subtemplate.html',
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'context': {
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'object_list': self.queryset,
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'hide_link': True,
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'hide_links': True,
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'hide_multi_item_actions': True,
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}
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}
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]
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context = {
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'submit_label': _('Download'),
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'subtemplates_list': subtemplates_list,
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'title': _('Download documents'),
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}
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if self.queryset.count() == 1:
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context['object'] = self.queryset.first()
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return context
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def get_form_kwargs(self):
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kwargs = super(DocumentDownloadFormView, self).get_form_kwargs()
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self.queryset = self.get_queryset()
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kwargs.update({'queryset': self.queryset})
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return kwargs
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def form_valid(self, form):
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querystring_dictionary = {}
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for field in self.querystring_form_fields:
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data = form.cleaned_data[field]
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if data:
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querystring_dictionary[field] = data
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querystring_dictionary.update(
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{
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'id_list': ','.join(
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map(str, self.queryset.values_list('pk', flat=True))
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)
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}
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)
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querystring = urlencode(querystring_dictionary, doseq=True)
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if self.queryset.count() > 1:
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url = reverse(self.multiple_download_view)
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else:
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url = reverse(
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self.single_download_view, args=(self.queryset.first().pk,)
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)
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return HttpResponseRedirect('{}?{}'.format(url, querystring))
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def get_post_action_redirect(self):
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return self.post_action_redirect
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def get_queryset(self):
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return AccessControlList.objects.filter_by_access(
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permission_document_download, self.request.user,
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queryset=self.get_document_queryset()
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)
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class DocumentDownloadView(SingleObjectDownloadView):
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model = Document
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# Set to None to disable the .get_object call
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object_permission = None
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@staticmethod
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def commit_event(item, request):
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if isinstance(item, Document):
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event_document_download.commit(
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actor=request.user,
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target=item
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)
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else:
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# TODO: Improve by adding a document version download event
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event_document_download.commit(
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actor=request.user,
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target=item.document
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)
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@staticmethod
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def get_item_file(item):
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return item.open()
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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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queryset = self.model.objects.filter(pk__in=id_list.split(','))
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return AccessControlList.objects.filter_by_access(
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permission_document_download, self.request.user, queryset
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)
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def get_file(self):
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queryset = self.get_document_queryset()
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zip_filename = self.request.GET.get(
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'zip_filename', DEFAULT_ZIP_FILENAME
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)
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if self.request.GET.get('compressed') == 'True' or queryset.count() > 1:
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compressed_file = CompressedFile()
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for item in queryset:
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descriptor = DocumentDownloadView.get_item_file(item=item)
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compressed_file.add_file(
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descriptor, arcname=self.get_item_label(item=item)
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)
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descriptor.close()
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DocumentDownloadView.commit_event(
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item=item, request=self.request
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)
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compressed_file.close()
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return DocumentDownloadView.VirtualFile(
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compressed_file.as_file(zip_filename),
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name=zip_filename
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)
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else:
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item = queryset.first()
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if item:
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DocumentDownloadView.commit_event(
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item=item, request=self.request
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)
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else:
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raise PermissionDenied
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return DocumentDownloadView.VirtualFile(
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DocumentDownloadView.get_item_file(item=item),
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name=self.get_item_label(item=item)
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)
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def get_item_label(self, item):
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return item.label
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class DocumentUpdatePageCountView(MultipleObjectConfirmActionView):
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model = Document
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object_permission = permission_document_tools
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success_message = _(
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'%(count)d document queued for page count recalculation'
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)
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success_message_plural = _(
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'%(count)d documents queued for page count recalculation'
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)
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def get_extra_context(self):
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queryset = self.get_queryset()
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result = {
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'title': ungettext(
|
|
'Recalculate the page count of the selected document?',
|
|
'Recalculate the page count of the selected documents?',
|
|
queryset.count()
|
|
)
|
|
}
|
|
|
|
if queryset.count() == 1:
|
|
result.update(
|
|
{
|
|
'object': queryset.first(),
|
|
'title': _(
|
|
'Recalculate the page count of the document: %s?'
|
|
) % queryset.first()
|
|
}
|
|
)
|
|
|
|
return result
|
|
|
|
def object_action(self, form, instance):
|
|
task_update_page_count.apply_async(
|
|
kwargs={'version_id': instance.latest_version.pk}
|
|
)
|
|
|
|
|
|
class DocumentTransformationsClearView(MultipleObjectConfirmActionView):
|
|
model = Document
|
|
object_permission = permission_transformation_delete
|
|
success_message = _(
|
|
'Transformation clear request processed for %(count)d document'
|
|
)
|
|
success_message_plural = _(
|
|
'Transformation clear request processed for %(count)d documents'
|
|
)
|
|
|
|
def get_extra_context(self):
|
|
queryset = self.get_queryset()
|
|
|
|
result = {
|
|
'title': ungettext(
|
|
'Clear all the page transformations for the selected document?',
|
|
'Clear all the page transformations for the selected document?',
|
|
queryset.count()
|
|
)
|
|
}
|
|
|
|
if queryset.count() == 1:
|
|
result.update(
|
|
{
|
|
'object': queryset.first(),
|
|
'title': _(
|
|
'Clear all the page transformations for the '
|
|
'document: %s?'
|
|
) % queryset.first()
|
|
}
|
|
)
|
|
|
|
return result
|
|
|
|
def object_action(self, form, instance):
|
|
try:
|
|
for page in instance.pages.all():
|
|
Transformation.objects.get_for_model(page).delete()
|
|
except Exception as exception:
|
|
messages.error(
|
|
self.request, _(
|
|
'Error deleting the page transformations for '
|
|
'document: %(document)s; %(error)s.'
|
|
) % {
|
|
'document': instance, 'error': exception
|
|
}
|
|
)
|
|
|
|
|
|
class DocumentTransformationsCloneView(FormView):
|
|
form_class = DocumentPageNumberForm
|
|
|
|
def form_valid(self, form):
|
|
instance = self.get_object()
|
|
|
|
try:
|
|
target_pages = instance.pages.exclude(
|
|
pk=form.cleaned_data['page'].pk
|
|
)
|
|
|
|
for page in target_pages:
|
|
Transformation.objects.get_for_model(page).delete()
|
|
|
|
Transformation.objects.copy(
|
|
source=form.cleaned_data['page'], targets=target_pages
|
|
)
|
|
except Exception as exception:
|
|
messages.error(
|
|
self.request, _(
|
|
'Error deleting the page transformations for '
|
|
'document: %(document)s; %(error)s.'
|
|
) % {
|
|
'document': instance, 'error': exception
|
|
}
|
|
)
|
|
else:
|
|
messages.success(
|
|
self.request, _('Transformations cloned successfully.')
|
|
)
|
|
|
|
return super(DocumentTransformationsCloneView, self).form_valid(form=form)
|
|
|
|
def get_form_extra_kwargs(self):
|
|
return {
|
|
'document': self.get_object()
|
|
}
|
|
|
|
def get_extra_context(self):
|
|
instance = self.get_object()
|
|
|
|
context = {
|
|
'object': instance,
|
|
'submit_label': _('Submit'),
|
|
'title': _(
|
|
'Clone page transformations for document: %s'
|
|
) % instance,
|
|
}
|
|
|
|
return context
|
|
|
|
def get_object(self):
|
|
instance = get_object_or_404(Document, pk=self.kwargs['pk'])
|
|
|
|
AccessControlList.objects.check_access(
|
|
permissions=permission_transformation_edit,
|
|
user=self.request.user, obj=instance
|
|
)
|
|
|
|
instance.add_as_recent_document_for_user(self.request.user)
|
|
|
|
return instance
|
|
|
|
|
|
class DocumentPrint(FormView):
|
|
form_class = DocumentPrintForm
|
|
|
|
def dispatch(self, request, *args, **kwargs):
|
|
instance = self.get_object()
|
|
AccessControlList.objects.check_access(
|
|
permissions=permission_document_print, user=self.request.user,
|
|
obj=instance
|
|
)
|
|
|
|
instance.add_as_recent_document_for_user(self.request.user)
|
|
|
|
self.page_group = self.request.GET.get('page_group')
|
|
self.page_range = self.request.GET.get('page_range')
|
|
return super(DocumentPrint, self).dispatch(request, *args, **kwargs)
|
|
|
|
def get(self, request, *args, **kwargs):
|
|
if not self.page_group and not self.page_range:
|
|
return super(DocumentPrint, self).get(request, *args, **kwargs)
|
|
else:
|
|
instance = self.get_object()
|
|
|
|
if self.page_group == PAGE_RANGE_RANGE:
|
|
if self.page_range:
|
|
page_range = parse_range(self.page_range)
|
|
pages = instance.pages.filter(page_number__in=page_range)
|
|
else:
|
|
pages = instance.pages.all()
|
|
else:
|
|
pages = instance.pages.all()
|
|
|
|
context = self.get_context_data()
|
|
|
|
context.update(
|
|
{
|
|
'appearance_type': 'plain',
|
|
'pages': pages,
|
|
'width': setting_print_width.value,
|
|
'height': setting_print_height.value,
|
|
}
|
|
)
|
|
|
|
return self.render_to_response(context=context)
|
|
|
|
def get_extra_context(self):
|
|
instance = self.get_object()
|
|
|
|
context = {
|
|
'form_action': reverse(
|
|
'documents:document_print', args=(instance.pk,)
|
|
),
|
|
'object': instance,
|
|
'submit_label': _('Submit'),
|
|
'submit_method': 'GET',
|
|
'submit_target': '_blank',
|
|
'title': _('Print: %s') % instance,
|
|
}
|
|
|
|
return context
|
|
|
|
def get_object(self):
|
|
return get_object_or_404(Document, pk=self.kwargs['pk'])
|
|
|
|
def get_template_names(self):
|
|
if self.page_group or self.page_range:
|
|
return ('documents/document_print.html',)
|
|
else:
|
|
return (self.template_name,)
|
|
|
|
|
|
class DuplicatedDocumentListView(DocumentListView):
|
|
def get_document_queryset(self):
|
|
return DuplicatedDocument.objects.get_duplicated_documents()
|
|
|
|
def get_extra_context(self):
|
|
context = super(DuplicatedDocumentListView, self).get_extra_context()
|
|
context.update(
|
|
{
|
|
'extra_columns': (
|
|
{
|
|
'name': _('Duplicates'),
|
|
'attribute': encapsulate(
|
|
lambda document: DuplicatedDocument.objects.get(
|
|
document=document
|
|
).documents.count()
|
|
)
|
|
},
|
|
),
|
|
'title': _('Duplicated documents')
|
|
}
|
|
)
|
|
return context
|