675 lines
23 KiB
Python
675 lines
23 KiB
Python
from __future__ import absolute_import, unicode_literals
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from furl import furl
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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.http import HttpResponseRedirect
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from django.shortcuts import get_object_or_404
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from django.template import RequestContext
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from django.urls import reverse, reverse_lazy
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from django.utils.encoding import force_text
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from django.utils.translation import ugettext_lazy as _, ungettext
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from mayan.apps.acls.models import AccessControlList
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from mayan.apps.common.generics import (
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FormView, MultipleObjectFormActionView, SingleObjectCreateView,
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SingleObjectDeleteView, SingleObjectEditView, SingleObjectListView
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)
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from mayan.apps.common.mixins import ExternalObjectMixin
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from mayan.apps.documents.models import Document, DocumentType
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from mayan.apps.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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DocumentMetadataAddForm, DocumentMetadataFormSet,
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DocumentMetadataRemoveFormSet,
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DocumentTypeMetadataTypeRelationshipFormSet, MetadataTypeForm
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)
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from .icons import icon_metadata
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from .links import (
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link_document_metadata_add, link_document_multiple_metadata_add,
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link_metadata_type_create
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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_add, permission_metadata_edit,
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permission_metadata_remove, permission_metadata_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 DocumentMetadataSameTypeMixin(object):
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def dispatch(self, request, *args, **kwargs):
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result = super(DocumentMetadataSameTypeMixin, self).dispatch(
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request, *args, **kwargs
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)
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queryset = self.get_object_list()
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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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message=_(
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'Selected documents must be of the same type.'
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), request=request
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)
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return HttpResponseRedirect(redirect_to=self.previous_url)
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return result
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class DocumentMetadataAddView(DocumentMetadataSameTypeMixin, MultipleObjectFormActionView):
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form_class = DocumentMetadataAddForm
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model = Document
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object_permission = permission_metadata_add
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pk_url_kwarg = 'document_id'
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success_message_singular = _('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 get_post_object_action_url(self):
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if self.action_count == 1:
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return reverse(
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viewname='metadata:document_metadata_edit',
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kwargs={'document_id': self.action_id_list[0]}
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)
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elif self.action_count > 1:
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url = furl(
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path=reverse(
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viewname='metadata:document_multiple_metadata_edit'
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), args={'id_list': self.action_id_list}
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)
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return url.tostr()
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def get_extra_context(self):
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queryset = self.get_object_list()
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result = {
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'submit_label': _('Add'),
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'title': ungettext(
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singular='Add metadata types to document',
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plural='Add metadata types to documents',
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number=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_object_list()
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result = {}
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if queryset.count():
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result.update(
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{
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'document_type': queryset.first().document_type,
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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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'queryset': MetadataType.objects.get_for_document_type(
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document_type=queryset.first().document_type
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).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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try:
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created = False
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try:
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DocumentMetadata.objects.get(
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document=instance,
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metadata_type=metadata_type,
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)
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except DocumentMetadata.DoesNotExist:
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document_metadata = DocumentMetadata(
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document=instance,
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metadata_type=metadata_type,
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)
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document_metadata.save(_user=self.request.user)
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created = True
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except Exception as exception:
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messages.error(
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message=_(
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'Error adding metadata type '
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'"%(metadata_type)s" to document: '
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'%(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(
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getattr(exception, 'messages', exception)
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)
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},
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request=self.request
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)
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else:
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if created:
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messages.success(
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message=_(
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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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request=self.request
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)
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else:
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messages.warning(
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message=_(
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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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}, request=self.request
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)
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class DocumentMetadataEditView(DocumentMetadataSameTypeMixin, MultipleObjectFormActionView):
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form_class = DocumentMetadataFormSet
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model = Document
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object_permission = permission_metadata_edit
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pk_url_kwarg = 'document_id'
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success_message_singular = _(
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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 get_extra_context(self):
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queryset = self.get_object_list()
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id_list = ','.join(
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map(
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force_text,
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queryset.values_list('pk', flat=True)
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)
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)
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if queryset.count() == 1:
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no_results_main_link = link_document_metadata_add.resolve(
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context=RequestContext(
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request=self.request, dict_={'object': queryset.first()}
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)
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)
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else:
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no_results_main_link = link_document_multiple_metadata_add.resolve(
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context=RequestContext(request=self.request)
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)
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no_results_main_link.url = '{}?id_list={}'.format(
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no_results_main_link.url, id_list
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)
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result = {
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'form_display_mode_table': True,
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'no_results_icon': icon_metadata,
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'no_results_main_link': no_results_main_link,
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'no_results_text': _(
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'Add metadata types available for this document\'s type '
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'and assign them corresponding values.'
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),
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'no_results_title': _('There is no metadata to edit'),
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'submit_label': _('Edit'),
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'title': ungettext(
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singular='Edit document metadata',
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plural='Edit documents metadata',
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number=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_object_list()
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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(
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document_metadata.metadata_type, set()
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)
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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 get_post_object_action_url(self):
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if self.action_count == 1:
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return reverse(
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viewname='metadata:document_metadata_edit',
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kwargs={'document_id': self.action_id_list[0]}
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)
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elif self.action_count > 1:
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url = furl(
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path=reverse(
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viewname='metadata:document_multiple_metadata_edit'
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), args={'id_list': self.action_id_list}
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)
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return url.tostr()
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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(
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metadata_list=[form.cleaned_data], document=instance,
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_user=self.request.user
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)
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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 = force_text(error)
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messages.error(
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message=_(
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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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}, request=self.request
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)
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else:
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messages.success(
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message=_(
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'Metadata for document %s edited successfully.'
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) % instance, request=self.request
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)
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class DocumentMetadataListView(ExternalObjectMixin, SingleObjectListView):
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external_object_class = Document
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external_object_permission = permission_metadata_view
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external_object_pk_url_kwarg = 'document_id'
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def get_extra_context(self):
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return {
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'hide_object': True,
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'object': self.external_object,
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'no_results_icon': icon_metadata,
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'no_results_main_link': link_document_metadata_add.resolve(
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context=RequestContext(
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request=self.request, dict_={'object': self.external_object}
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)
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),
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'no_results_text': _(
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'Add metadata types this document\'s type '
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'to be able to add them to individual documents. '
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'Once added to individual document, you can then edit their '
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'values.'
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),
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'no_results_title': _('This document doesn\'t have any metadata'),
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'title': _('Metadata for document: %s') % self.external_object,
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}
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def get_source_queryset(self):
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return self.external_object.metadata.all()
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class DocumentMetadataRemoveView(DocumentMetadataSameTypeMixin, MultipleObjectFormActionView):
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form_class = DocumentMetadataRemoveFormSet
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model = Document
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object_permission = permission_metadata_remove
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pk_url_kwarg = 'document_id'
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success_message_singular = _(
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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 get_extra_context(self):
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queryset = self.get_object_list()
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result = {
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'form_display_mode_table': True,
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'submit_label': _('Remove'),
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'title': ungettext(
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singular='Remove metadata types from the document',
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plural='Remove metadata types from the documents',
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number=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_object_list()
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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 document_metadata in document.metadata.all():
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# Metadata value cannot be None here, fallback to an empty
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# string
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value = document_metadata.value or ''
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if document_metadata.metadata_type in metadata:
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if value not in metadata[document_metadata.metadata_type]:
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metadata[document_metadata.metadata_type].append(value)
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else:
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metadata[document_metadata.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 get_post_object_action_url(self):
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if self.action_count == 1:
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return reverse(
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viewname='metadata:document_metadata_edit',
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kwargs={'document_id': self.action_id_list[0]}
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)
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elif self.action_count > 1:
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url = furl(
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path=reverse(
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viewname='metadata:document_multiple_metadata_edit'
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), args={'id_list': self.action_id_list}
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)
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return url.tostr()
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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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klass=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(_user=self.request.user)
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messages.success(
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message=_(
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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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}, request=self.request
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)
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except Exception as exception:
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messages.error(
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message=_(
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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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}, request=self.request
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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(
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viewname='metadata:metadata_type_list'
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)
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view_permission = permission_metadata_type_create
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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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class MetadataTypeDeleteView(SingleObjectDeleteView):
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model = MetadataType
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object_permission = permission_metadata_type_delete
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pk_url_kwarg = 'metadata_type_id'
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post_action_redirect = reverse_lazy(
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viewname='metadata:metadata_type_list'
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)
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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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object_permission = permission_metadata_type_edit
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pk_url_kwarg = 'metadata_type_id'
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post_action_redirect = reverse_lazy(
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viewname='metadata:metadata_type_list'
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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': _('Edit metadata type: %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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class MetadataTypeListView(SingleObjectListView):
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object_permission = permission_metadata_type_view
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def get_extra_context(self):
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return {
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'hide_object': True,
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'no_results_icon': icon_metadata,
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'no_results_main_link': link_metadata_type_create.resolve(
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context=RequestContext(request=self.request)
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),
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'no_results_text': _(
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'Metadata types are users defined properties that can be '
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'assigned values. Once created they must be associated to '
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'document types, either as optional or required, for each. '
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'Setting a metadata type as required for a document type '
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'will block the upload of documents of that type until a '
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'metadata value is provided.'
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),
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'no_results_title': _('There are no metadata types'),
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'title': _('Metadata types'),
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}
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def get_source_queryset(self):
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return MetadataType.objects.all()
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class SetupDocumentTypeMetadataTypes(ExternalObjectMixin, FormView):
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external_object_class = DocumentType
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external_object_permission = permission_metadata_type_edit
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external_object_pk_url_kwarg = 'document_type_id'
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form_class = DocumentTypeMetadataTypeRelationshipFormSet
|
|
main_model = 'document_type'
|
|
submodel = MetadataType
|
|
submodel_permission = permission_metadata_type_edit
|
|
|
|
def form_valid(self, form):
|
|
try:
|
|
for instance in form:
|
|
instance.save()
|
|
except Exception as exception:
|
|
messages.error(
|
|
message=_('Error updating relationship; %s') % exception,
|
|
request=self.request
|
|
)
|
|
else:
|
|
messages.success(
|
|
message=_(
|
|
'Relationships updated successfully'
|
|
), request=self.request
|
|
)
|
|
|
|
return super(
|
|
SetupDocumentTypeMetadataTypes, self
|
|
).form_valid(form=form)
|
|
|
|
def get_extra_context(self):
|
|
return {
|
|
'form_display_mode_table': True,
|
|
'no_results_icon': icon_metadata,
|
|
'no_results_main_link': link_metadata_type_create.resolve(
|
|
context=RequestContext(request=self.request)
|
|
),
|
|
'no_results_text': _(
|
|
'Create metadata types to be able to associate them '
|
|
'to this document type.'
|
|
),
|
|
'no_results_title': _('There are no metadata types available'),
|
|
'object': self.external_object,
|
|
'title': _(
|
|
'Metadata types for document type: %s'
|
|
) % self.external_object
|
|
}
|
|
|
|
def get_form_extra_kwargs(self):
|
|
return {
|
|
'_user': self.request.user,
|
|
}
|
|
|
|
def get_initial(self):
|
|
initial = []
|
|
|
|
for element in self.get_object_list():
|
|
initial.append(
|
|
{
|
|
'document_type': self.external_object,
|
|
'main_model': self.main_model,
|
|
'metadata_type': element,
|
|
}
|
|
)
|
|
return initial
|
|
|
|
def get_object_list(self):
|
|
return AccessControlList.objects.restrict_queryset(
|
|
permission=self.submodel_permission,
|
|
queryset=self.submodel._meta.default_manager.all(),
|
|
user=self.request.user
|
|
)
|
|
|
|
def get_post_action_redirect(self):
|
|
return reverse(viewname='documents:document_type_list')
|
|
|
|
|
|
class SetupMetadataTypesDocumentTypes(SetupDocumentTypeMetadataTypes):
|
|
external_object_class = MetadataType
|
|
external_object_permission = permission_metadata_type_edit
|
|
external_object_pk_url_kwarg = 'metadata_type_id'
|
|
main_model = 'metadata_type'
|
|
submodel = DocumentType
|
|
submodel_permission = permission_document_type_edit
|
|
|
|
def get_extra_context(self):
|
|
return {
|
|
'form_display_mode_table': True,
|
|
'object': self.get_object(),
|
|
'title': _(
|
|
'Document types for metadata type: %s'
|
|
) % self.get_object()
|
|
}
|
|
|
|
def get_initial(self):
|
|
initial = []
|
|
|
|
for element in self.get_object_list():
|
|
initial.append(
|
|
{
|
|
'document_type': element,
|
|
'main_model': self.main_model,
|
|
'metadata_type': self.external_object,
|
|
}
|
|
)
|
|
return initial
|
|
|
|
def get_post_action_redirect(self):
|
|
return reverse(viewname='metadata:metadata_type_list')
|