500 lines
20 KiB
Python
500 lines
20 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 PermissionDenied
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from django.core.urlresolvers import reverse
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from django.http import HttpResponseRedirect, Http404
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from django.shortcuts import get_object_or_404, render_to_response
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from django.template import RequestContext
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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 AccessEntry
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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, PERMISSION_DOCUMENT_VIEW
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)
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from documents.views import document_list
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from permissions.models import Permission
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from common.utils import encapsulate, generate_choices_w_labels
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from common.views import assign_remove
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from .api import save_metadata_list
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from .forms import (
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AddMetadataForm, MetadataFormSet, MetadataRemoveFormSet, 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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def metadata_edit(request, document_id=None, document_id_list=None):
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if document_id:
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document_id_list = unicode(document_id)
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documents = Document.objects.select_related('metadata').filter(pk__in=document_id_list.split(','))
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try:
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Permission.objects.check_permissions(request.user, [PERMISSION_METADATA_DOCUMENT_EDIT])
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except PermissionDenied:
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documents = AccessEntry.objects.filter_objects_by_access(PERMISSION_METADATA_DOCUMENT_EDIT, request.user, documents)
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if not documents:
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if document_id:
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raise Http404
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else:
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messages.error(request, _('Must provide at least one document.'))
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return HttpResponseRedirect(request.META.get('HTTP_REFERER', reverse('main:home')))
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if len(set([document.document_type.pk for document in documents])) > 1:
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messages.error(request, _('Only select documents of the same type.'))
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return HttpResponseRedirect(request.META.get('HTTP_REFERER', reverse('main:home')))
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if set(documents.values_list('metadata__value', flat=True)) == set([None]):
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message = ungettext(
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'The selected document doesn\'t have any metadata.',
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'The selected documents don\'t have any metadata.',
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len(documents)
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)
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messages.warning(request, message)
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return HttpResponseRedirect(request.META.get('HTTP_REFERER', reverse('main:home')))
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post_action_redirect = reverse('documents:document_list_recent')
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next = request.POST.get('next', request.GET.get('next', request.META.get('HTTP_REFERER', post_action_redirect)))
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metadata = {}
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initial = []
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for document in documents:
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document.add_as_recent_document_for_user(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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for key, value in metadata.items():
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initial.append({
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'metadata_type': key,
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'value': ', '.join(value) if value else '',
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'required': key in document.document_type.metadata.filter(required=True),
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})
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formset = MetadataFormSet(initial=initial)
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if request.method == 'POST':
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formset = MetadataFormSet(data=request.POST, initial=initial)
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if formset.is_valid():
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for document in documents:
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errors = []
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for form in formset.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], document)
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except Exception as exception:
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errors.append(exception)
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if errors:
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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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messages.error(request, _('Error editing metadata for document %(document)s; %(exception)s.') % {
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'document': document, 'exception': ', '.join(exception.messages)})
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else:
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messages.success(request, _('Metadata for document %s edited successfully.') % document)
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return HttpResponseRedirect(next)
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context = {
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'form_display_mode_table': True,
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'form': formset,
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'next': next,
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}
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if len(documents) == 1:
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context['object'] = documents[0]
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context['title'] = ungettext(
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'Edit document metadata',
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'Edit documents metadata',
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len(documents)
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)
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return render_to_response('appearance/generic_form.html', context,
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context_instance=RequestContext(request))
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def metadata_multiple_edit(request):
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return metadata_edit(request, document_id_list=request.GET.get('id_list', ''))
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def metadata_add(request, document_id=None, document_id_list=None):
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if document_id:
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documents = [get_object_or_404(Document, pk=document_id)]
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elif document_id_list:
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documents = [get_object_or_404(Document.objects.select_related('document_type'), pk=document_id) for document_id in document_id_list.split(',')]
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if len(set([document.document_type.pk for document in documents])) > 1:
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messages.error(request, _('Only select documents of the same type.'))
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return HttpResponseRedirect(request.META.get('HTTP_REFERER', reverse('main:home')))
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try:
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Permission.objects.check_permissions(request.user, [PERMISSION_METADATA_DOCUMENT_ADD])
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except PermissionDenied:
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documents = AccessEntry.objects.filter_objects_by_access(PERMISSION_METADATA_DOCUMENT_ADD, request.user, documents)
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if not documents:
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messages.error(request, _('Must provide at least one document.'))
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return HttpResponseRedirect(request.META.get('HTTP_REFERER', reverse('main:home')))
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for document in documents:
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document.add_as_recent_document_for_user(request.user)
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post_action_redirect = reverse('documents:document_list_recent')
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next = request.POST.get('next', request.GET.get('next', request.META.get('HTTP_REFERER', post_action_redirect)))
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if request.method == 'POST':
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form = AddMetadataForm(data=request.POST, document_type=document.document_type)
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if form.is_valid():
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metadata_type = form.cleaned_data['metadata_type']
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for document in documents:
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try:
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document_metadata, created = DocumentMetadata.objects.get_or_create(document=document, metadata_type=metadata_type.metadata_type, defaults={'value': ''})
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except Exception as exception:
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if getattr(settings, 'DEBUG', False):
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raise
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else:
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messages.error(request, _('Error adding metadata type "%(metadata_type)s" to document: %(document)s; %(exception)s') % {
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'metadata_type': metadata_type, 'document': document, 'exception': ', '.join(getattr(exception, 'messages', exception))})
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else:
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if created:
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messages.success(request, _('Metadata type: %(metadata_type)s successfully added to document %(document)s.') % {
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'metadata_type': metadata_type, 'document': document})
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else:
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messages.warning(request, _('Metadata type: %(metadata_type)s already present in document %(document)s.') % {
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'metadata_type': metadata_type, 'document': document})
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if len(documents) == 1:
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return HttpResponseRedirect('%s?%s' % (
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reverse('metadata:metadata_edit', args=[document.pk]),
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urlencode({'next': next}))
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)
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elif len(documents) > 1:
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return HttpResponseRedirect('%s?%s' % (
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reverse('metadata:metadata_multiple_edit'),
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urlencode({'id_list': document_id_list, 'next': next}))
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)
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else:
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form = AddMetadataForm(document_type=document.document_type)
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context = {
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'form': form,
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'next': next,
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}
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if len(documents) == 1:
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context['object'] = documents[0]
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context['title'] = ungettext(
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'Add metadata types to document',
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'Add metadata types to documents',
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len(documents)
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)
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return render_to_response('appearance/generic_form.html', context,
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context_instance=RequestContext(request))
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def metadata_multiple_add(request):
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return metadata_add(request, document_id_list=request.GET.get('id_list', []))
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def metadata_remove(request, document_id=None, document_id_list=None):
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if document_id:
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document_id_list = unicode(document_id)
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documents = Document.objects.select_related('metadata').filter(pk__in=document_id_list.split(','))
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try:
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Permission.objects.check_permissions(request.user, [PERMISSION_METADATA_DOCUMENT_REMOVE])
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except PermissionDenied:
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documents = AccessEntry.objects.filter_objects_by_access(PERMISSION_METADATA_DOCUMENT_REMOVE, request.user, documents)
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if not documents:
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if document_id:
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raise Http404
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else:
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messages.error(request, _('Must provide at least one document.'))
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return HttpResponseRedirect(request.META.get('HTTP_REFERER', reverse('main:home')))
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if len(set([document.document_type.pk for document in documents])) > 1:
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messages.error(request, _('Only select documents of the same type.'))
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return HttpResponseRedirect(request.META.get('HTTP_REFERER', reverse('main:home')))
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if set(documents.values_list('metadata__value', flat=True)) == set([None]):
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message = ungettext(
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'The selected document doesn\'t have any metadata.',
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'The selected documents doesn\'t have any metadata.',
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len(documents)
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)
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messages.warning(request, message)
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return HttpResponseRedirect(request.META.get('HTTP_REFERER', reverse('main:home')))
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post_action_redirect = reverse('documents:document_list_recent')
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next = request.POST.get('next', request.GET.get('next', request.META.get('HTTP_REFERER', post_action_redirect)))
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metadata = {}
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for document in documents:
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document.add_as_recent_document_for_user(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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'metadata_type': key,
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'value': ', '.join(value)
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})
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formset = MetadataRemoveFormSet(initial=initial)
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if request.method == 'POST':
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formset = MetadataRemoveFormSet(request.POST)
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if formset.is_valid():
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for document in documents:
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for form in formset.forms:
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if form.cleaned_data['update']:
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metadata_type = get_object_or_404(MetadataType, pk=form.cleaned_data['id'])
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try:
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document_metadata = DocumentMetadata.objects.get(document=document, metadata_type=metadata_type)
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document_metadata.delete()
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messages.success(request, _('Successfully remove metadata type "%(metadata_type)s" from document: %(document)s.') % {
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'metadata_type': metadata_type, 'document': document})
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except Exception as exception:
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messages.error(request, _('Error removing metadata type "%(metadata_type)s" from document: %(document)s; %(exception)s') % {
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'metadata_type': metadata_type, 'document': document, 'exception': ', '.join(exception.messages)})
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return HttpResponseRedirect(next)
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context = {
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'form_display_mode_table': True,
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'form': formset,
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'next': next,
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}
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if len(documents) == 1:
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context['object'] = documents[0]
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context['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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len(documents)
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)
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return render_to_response('appearance/generic_form.html', context,
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context_instance=RequestContext(request))
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def metadata_multiple_remove(request):
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return metadata_remove(request, document_id_list=request.GET.get('id_list', []))
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def metadata_view(request, document_id):
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document = get_object_or_404(Document, pk=document_id)
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try:
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Permission.objects.check_permissions(request.user, [PERMISSION_METADATA_DOCUMENT_VIEW])
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except PermissionDenied:
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AccessEntry.objects.check_access(PERMISSION_METADATA_DOCUMENT_VIEW, request.user, document)
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return render_to_response('appearance/generic_list.html', {
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'title': _('Metadata for document: %s') % document,
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'object_list': document.metadata.all(),
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'extra_columns': [
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{'name': _('Value'), 'attribute': 'value'},
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{'name': _('Required'), 'attribute': encapsulate(lambda x: x.metadata_type in document.document_type.metadata.filter(required=True))}
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],
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'hide_link': True,
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'object': document,
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}, context_instance=RequestContext(request))
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def documents_missing_required_metadata(request):
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pre_object_list = Document.objects.filter(document_type__metadata__required=True, metadata__value__isnull=True)
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try:
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Permission.objects.check_permissions(request.user, [PERMISSION_DOCUMENT_VIEW])
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except PermissionDenied:
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# If user doesn't have global permission, get a list of document
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# for which he/she does hace access use it to filter the
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# provided object_list
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object_list = AccessEntry.objects.filter_objects_by_access(
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PERMISSION_DOCUMENT_VIEW, request.user, pre_object_list)
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else:
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object_list = pre_object_list
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context = {
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'object_list': object_list,
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'title': _('Documents missing required metadata'),
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'hide_links': True,
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}
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return document_list(
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request,
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extra_context=context
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)
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# Setup views
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def setup_metadata_type_list(request):
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Permission.objects.check_permissions(request.user, [PERMISSION_METADATA_TYPE_VIEW])
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context = {
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'object_list': MetadataType.objects.all(),
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'title': _('Metadata types'),
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'hide_link': True,
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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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}
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return render_to_response('appearance/generic_list.html', context,
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context_instance=RequestContext(request))
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def setup_metadata_type_edit(request, metadatatype_id):
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Permission.objects.check_permissions(request.user, [PERMISSION_METADATA_TYPE_EDIT])
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metadata_type = get_object_or_404(MetadataType, pk=metadatatype_id)
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if request.method == 'POST':
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form = MetadataTypeForm(instance=metadata_type, data=request.POST)
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if form.is_valid():
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try:
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form.save()
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messages.success(request, _('Metadata type edited successfully'))
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return HttpResponseRedirect(reverse('metadata:setup_metadata_type_list'))
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except Exception as exception:
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messages.error(request, _('Error editing metadata type; %s') % exception)
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pass
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else:
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form = MetadataTypeForm(instance=metadata_type)
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return render_to_response('appearance/generic_form.html', {
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'title': _('Edit metadata type: %s') % metadata_type,
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'form': form,
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'object': metadata_type,
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}, context_instance=RequestContext(request))
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def setup_metadata_type_create(request):
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Permission.objects.check_permissions(request.user, [PERMISSION_METADATA_TYPE_CREATE])
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if request.method == 'POST':
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form = MetadataTypeForm(request.POST)
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if form.is_valid():
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form.save()
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messages.success(request, _('Metadata type created successfully'))
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return HttpResponseRedirect(reverse('metadata:setup_metadata_type_list'))
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else:
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form = MetadataTypeForm()
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return render_to_response('appearance/generic_form.html', {
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'title': _('Create metadata type'),
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'form': form,
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}, context_instance=RequestContext(request))
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def setup_metadata_type_delete(request, metadatatype_id):
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Permission.objects.check_permissions(request.user, [PERMISSION_METADATA_TYPE_DELETE])
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metadata_type = get_object_or_404(MetadataType, pk=metadatatype_id)
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post_action_redirect = reverse('metadata:setup_metadata_type_list')
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previous = request.POST.get('previous', request.GET.get('previous', request.META.get('HTTP_REFERER', post_action_redirect)))
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next = request.POST.get('next', request.GET.get('next', request.META.get('HTTP_REFERER', post_action_redirect)))
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if request.method == 'POST':
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try:
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metadata_type.delete()
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messages.success(request, _('Metadata type: %s deleted successfully.') % metadata_type)
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except Exception as exception:
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messages.error(request, _('Metadata type: %(metadata_type)s delete error: %(error)s') % {
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'metadata_type': metadata_type, 'error': exception})
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return HttpResponseRedirect(next)
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context = {
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'delete_view': True,
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'next': next,
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'previous': previous,
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'object': metadata_type,
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'title': _('Are you sure you wish to delete the metadata type: %s?') % metadata_type,
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}
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return render_to_response('appearance/generic_confirm.html', context,
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context_instance=RequestContext(request))
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def setup_document_type_metadata(request, document_type_id):
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Permission.objects.check_permissions(request.user, [PERMISSION_DOCUMENT_TYPE_EDIT])
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document_type = get_object_or_404(DocumentType, pk=document_type_id)
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return assign_remove(
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request,
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left_list=lambda: generate_choices_w_labels(set(MetadataType.objects.all()) - set(MetadataType.objects.filter(id__in=document_type.metadata.values_list('metadata_type', flat=True))), display_object_type=False),
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right_list=lambda: generate_choices_w_labels(document_type.metadata.filter(required=False), display_object_type=False),
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add_method=lambda x: document_type.metadata.create(metadata_type=x, required=False),
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remove_method=lambda x: x.delete(),
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extra_context={
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'document_type': document_type,
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'main_title': _('Optional metadata types for document type: %s') % document_type,
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'navigation_object_list': ['document_type'],
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},
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decode_content_type=True,
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)
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def setup_document_type_metadata_required(request, document_type_id):
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Permission.objects.check_permissions(request.user, [PERMISSION_DOCUMENT_TYPE_EDIT])
|
|
|
|
document_type = get_object_or_404(DocumentType, pk=document_type_id)
|
|
|
|
return assign_remove(
|
|
request,
|
|
left_list=lambda: generate_choices_w_labels(set(MetadataType.objects.all()) - set(MetadataType.objects.filter(id__in=document_type.metadata.values_list('metadata_type', flat=True))), display_object_type=False),
|
|
right_list=lambda: generate_choices_w_labels(document_type.metadata.filter(required=True), display_object_type=False),
|
|
add_method=lambda x: document_type.metadata.create(metadata_type=x, required=True),
|
|
remove_method=lambda x: x.delete(),
|
|
extra_context={
|
|
'document_type': document_type,
|
|
'main_title': _('Required metadata types for document type: %s') % document_type,
|
|
'navigation_object_list': ['document_type'],
|
|
},
|
|
decode_content_type=True,
|
|
)
|