574 lines
18 KiB
Python
574 lines
18 KiB
Python
from __future__ import absolute_import, unicode_literals
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from django.conf import settings
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from django.contrib import messages
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from django.core.exceptions import ValidationError
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from django.core.urlresolvers import reverse, reverse_lazy
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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.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.generics import (
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AssignRemoveView, MultipleObjectFormActionView, SingleObjectCreateView,
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SingleObjectDeleteView, SingleObjectEditView, SingleObjectListView
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)
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from documents.models import Document, DocumentType
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from documents.permissions import (
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permission_document_type_edit
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)
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from .api import save_metadata_list
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from .forms import (
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DocumentAddMetadataForm, DocumentMetadataFormSet,
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DocumentMetadataRemoveFormSet, MetadataTypeForm
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)
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from .models import DocumentMetadata, MetadataType
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from .permissions import (
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permission_metadata_document_add, permission_metadata_document_edit,
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permission_metadata_document_remove, permission_metadata_document_view,
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permission_metadata_type_create, permission_metadata_type_delete,
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permission_metadata_type_edit, permission_metadata_type_view
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)
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class DocumentMetadataAddView(MultipleObjectFormActionView):
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form_class = DocumentAddMetadataForm
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model = Document
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object_permission = permission_metadata_document_add
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success_message = _('Metadata add request performed on %(count)d document')
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success_message_plural = _(
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'Metadata add request performed on %(count)d documents'
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)
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def dispatch(self, request, *args, **kwargs):
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result = super(DocumentMetadataAddView, self).dispatch(request, *args, **kwargs)
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queryset = self.get_queryset()
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for document in queryset:
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document.add_as_recent_document_for_user(request.user)
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if len(set([document.document_type.pk for document in queryset])) > 1:
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messages.error(
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request, _('Selected documents must be of the same type.')
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)
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return HttpResponseRedirect(self.previous_url)
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return result
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def form_valid(self, form):
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result = super(DocumentMetadataAddView, self).form_valid(form=form)
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queryset = self.get_queryset()
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if self.action_count == 1:
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return HttpResponseRedirect(
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reverse('metadata:metadata_edit', args=(queryset.first().pk,)),
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)
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elif self.action_count > 1:
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return HttpResponseRedirect(
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'%s?%s' % (
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reverse('metadata:metadata_multiple_edit'),
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urlencode(
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{
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'id_list': ','.join(
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queryset.value_list('pk', flat=True)
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)
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}
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)
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)
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)
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return result
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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_icon': 'fa fa-plus',
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'submit_label': _('Add'),
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'title': ungettext(
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'Add metadata types to document',
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'Add metadata types to 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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'Add metadata types to 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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queryset = self.get_queryset()
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result = {
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'document_type': queryset.first().document_type,
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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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'queryset': MetadataType.objects.exclude(
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pk__in=MetadataType.objects.get_for_document(
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document=queryset.first()
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)
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)
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}
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)
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return result
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def object_action(self, form, instance):
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for metadata_type in form.cleaned_data['metadata_type']:
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document_metadata, created = DocumentMetadata.objects.get_or_create(
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document=instance,
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metadata_type=metadata_type,
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defaults={'value': ''}
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)
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if created:
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messages.success(
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self.request,
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_(
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'Metadata type: %(metadata_type)s '
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'successfully added to document %(document)s.'
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) % {
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'metadata_type': metadata_type,
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'document': instance
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}
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)
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else:
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messages.warning(
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self.request, _(
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'Metadata type: %(metadata_type)s already '
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'present in document %(document)s.'
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) % {
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'metadata_type': metadata_type,
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'document': instance
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}
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)
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class DocumentMetadataEditView(MultipleObjectFormActionView):
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form_class = DocumentMetadataFormSet
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model = Document
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object_permission = permission_metadata_document_edit
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success_message = _(
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'Metadata edit request performed on %(count)d document'
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)
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success_message_plural = _(
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'Metadata edit request performed on %(count)d documents'
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)
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def dispatch(self, request, *args, **kwargs):
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result = super(DocumentMetadataEditView, self).dispatch(request, *args, **kwargs)
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queryset = self.get_queryset()
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for document in queryset:
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document.add_as_recent_document_for_user(request.user)
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if len(set([document.document_type.pk for document in queryset])) > 1:
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messages.error(
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request, _('Selected documents must be of the same type.')
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)
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return HttpResponseRedirect(self.previous_url)
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return result
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def form_valid(self, form):
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result = super(DocumentMetadataEditView, self).form_valid(form=form)
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queryset = self.get_queryset()
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if self.action_count == 1:
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return HttpResponseRedirect(
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reverse('metadata:metadata_edit', args=(queryset.first().pk,)),
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)
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elif self.action_count > 1:
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return HttpResponseRedirect(
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'%s?%s' % (
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reverse('metadata:metadata_multiple_edit'),
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urlencode(
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{
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'id_list': ','.join(
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queryset.value_list('pk', flat=True)
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)
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}
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)
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)
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)
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return result
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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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'form_display_mode_table': True,
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'submit_icon': 'fa fa-pencil',
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'submit_label': _('Edit'),
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'title': ungettext(
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'Edit document metadata',
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'Edit documents metadata',
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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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'Edit metadata for 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_initial(self):
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queryset = self.get_queryset()
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metadata_dict = {}
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initial = []
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for document in queryset:
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document.add_as_recent_document_for_user(self.request.user)
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for document_metadata in document.metadata.all():
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metadata_dict.setdefault(document_metadata.metadata_type, set())
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if document_metadata.value:
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metadata_dict[
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document_metadata.metadata_type
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].add(document_metadata.value)
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for key, value in metadata_dict.items():
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initial.append({
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'document_type': document.document_type,
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'metadata_type': key,
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'value': ', '.join(value) if value else '',
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})
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return initial
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def object_action(self, form, instance):
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errors = []
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for form in form.forms:
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if form.cleaned_data['update']:
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try:
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save_metadata_list([form.cleaned_data], instance)
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except Exception as exception:
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errors.append(exception)
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for error in errors:
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if settings.DEBUG:
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raise
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else:
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if isinstance(error, ValidationError):
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exception_message = ', '.join(error.messages)
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else:
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exception_message = unicode(error)
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messages.error(
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self.request, _(
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'Error editing metadata for document: '
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'%(document)s; %(exception)s.'
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) % {
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'document': instance,
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'exception': exception_message
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}
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)
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else:
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messages.success(
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self.request,
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_(
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'Metadata for document %s edited successfully.'
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) % instance
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)
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class DocumentMetadataListView(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_metadata_document_view,
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user=self.request.user, obj=self.get_document()
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)
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return super(DocumentMetadataListView, self).dispatch(
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request, *args, **kwargs
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)
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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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document = self.get_document()
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return {
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'hide_link': True,
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'object': document,
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'title': _('Metadata for document: %s') % document,
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}
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def get_queryset(self):
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return self.get_document().metadata.all()
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class DocumentMetadataRemoveView(MultipleObjectFormActionView):
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form_class = DocumentMetadataRemoveFormSet
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model = Document
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object_permission = permission_metadata_document_remove
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success_message = _(
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'Metadata remove request performed on %(count)d document'
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)
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success_message_plural = _(
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'Metadata remove request performed on %(count)d documents'
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)
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def dispatch(self, request, *args, **kwargs):
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result = super(DocumentMetadataRemoveView, self).dispatch(request, *args, **kwargs)
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queryset = self.get_queryset()
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for document in queryset:
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document.add_as_recent_document_for_user(request.user)
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if len(set([document.document_type.pk for document in queryset])) > 1:
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messages.error(
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request, _('Selected documents must be of the same type.')
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)
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return HttpResponseRedirect(self.previous_url)
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return result
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def form_valid(self, form):
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result = super(DocumentMetadataRemoveView, self).form_valid(form=form)
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queryset = self.get_queryset()
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if self.action_count == 1:
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return HttpResponseRedirect(
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reverse('metadata:metadata_edit', args=(queryset.first().pk,)),
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)
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elif self.action_count > 1:
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return HttpResponseRedirect(
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'%s?%s' % (
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reverse('metadata:metadata_multiple_edit'),
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urlencode(
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{
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'id_list': ','.join(
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queryset.value_list('pk', flat=True)
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)
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}
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)
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)
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)
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return result
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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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'form_display_mode_table': True,
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'submit_icon': 'fa fa-minus',
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'submit_label': _('Remove'),
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'title': ungettext(
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'Remove metadata types from the document',
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'Remove metadata types from the 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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'Remove metadata types from 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_initial(self):
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queryset = self.get_queryset()
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metadata = {}
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for document in queryset:
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document.add_as_recent_document_for_user(self.request.user)
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for item in document.metadata.all():
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value = item.value
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if item.metadata_type in metadata:
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if value not in metadata[item.metadata_type]:
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metadata[item.metadata_type].append(value)
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else:
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metadata[item.metadata_type] = [value] if value else ''
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initial = []
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for key, value in metadata.items():
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initial.append(
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{
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'document_type': queryset.first().document_type,
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'metadata_type': key,
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'value': ', '.join(value)
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}
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)
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return initial
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def object_action(self, form, instance):
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for form in form.forms:
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if form.cleaned_data['update']:
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metadata_type = get_object_or_404(
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MetadataType, pk=form.cleaned_data['id']
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)
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try:
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document_metadata = DocumentMetadata.objects.get(
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document=instance, metadata_type=metadata_type
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)
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document_metadata.delete()
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messages.success(
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self.request,
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_(
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'Successfully remove metadata type "%(metadata_type)s" from document: %(document)s.'
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) % {
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'metadata_type': metadata_type,
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'document': instance
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}
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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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_(
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'Error removing metadata type "%(metadata_type)s" from document: %(document)s; %(exception)s'
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) % {
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'metadata_type': metadata_type,
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'document': instance,
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'exception': ', '.join(exception.messages)
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}
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)
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# Setup views
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class MetadataTypeCreateView(SingleObjectCreateView):
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extra_context = {'title': _('Create metadata type')}
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form_class = MetadataTypeForm
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model = MetadataType
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post_action_redirect = reverse_lazy('metadata:setup_metadata_type_list')
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view_permission = permission_metadata_type_create
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class MetadataTypeDeleteView(SingleObjectDeleteView):
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model = MetadataType
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post_action_redirect = reverse_lazy('metadata:setup_metadata_type_list')
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view_permission = permission_metadata_type_delete
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def get_extra_context(self):
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return {
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'delete_view': True,
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'object': self.get_object(),
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'title': _('Delete the metadata type: %s?') % self.get_object(),
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}
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class MetadataTypeEditView(SingleObjectEditView):
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form_class = MetadataTypeForm
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model = MetadataType
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post_action_redirect = reverse_lazy('metadata:setup_metadata_type_list')
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view_permission = permission_metadata_type_edit
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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 metadata type: %s') % self.get_object(),
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}
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class MetadataTypeListView(SingleObjectListView):
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view_permission = permission_metadata_type_view
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def get_queryset(self):
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return MetadataType.objects.all()
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def get_extra_context(self):
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return {
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'extra_columns': (
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{
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'name': _('Internal name'),
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'attribute': 'name',
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},
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),
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'hide_link': True,
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'title': _('Metadata types'),
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}
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class SetupDocumentTypeMetadataOptionalView(AssignRemoveView):
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decode_content_type = True
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view_permission = permission_document_type_edit
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left_list_title = _('Available metadata types')
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right_list_title = _('Metadata types assigned')
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def add(self, item):
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self.get_object().metadata.create(metadata_type=item, required=False)
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def get_object(self):
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return get_object_or_404(DocumentType, pk=self.kwargs['pk'])
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def left_list(self):
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return AssignRemoveView.generate_choices(
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set(MetadataType.objects.all()) - set(
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MetadataType.objects.filter(
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id__in=self.get_object().metadata.values_list(
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'metadata_type', flat=True
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)
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)
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)
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)
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def right_list(self):
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return AssignRemoveView.generate_choices(
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self.get_object().metadata.filter(required=False)
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)
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def remove(self, item):
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item.delete()
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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': _(
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'Optional metadata types for document type: %s'
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) % self.get_object(),
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}
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class SetupDocumentTypeMetadataRequiredView(SetupDocumentTypeMetadataOptionalView):
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def add(self, item):
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self.get_object().metadata.create(metadata_type=item, required=True)
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def right_list(self):
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return AssignRemoveView.generate_choices(
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self.get_object().metadata.filter(required=True)
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)
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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': _(
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'Required metadata types for document type: %s'
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) % self.get_object(),
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}
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