625 lines
21 KiB
Python
625 lines
21 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, 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, 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 AccessControlList
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from common.generics import (
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AssignRemoveView, SingleObjectCreateView, SingleObjectDeleteView,
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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 permissions import Permission
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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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documents = Document.objects.filter(pk=document_id)
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if not documents:
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raise Document.DoesNotExist
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elif document_id_list:
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documents = Document.objects.select_related('metadata').filter(
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pk__in=document_id_list
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)
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try:
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Permission.check_permissions(
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request.user, (permission_metadata_document_edit,)
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)
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except PermissionDenied:
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documents = AccessControlList.objects.filter_by_access(
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permission_metadata_document_edit, request.user, documents
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)
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if not documents:
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if document_id:
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raise PermissionDenied
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else:
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messages.error(request, _('Must provide at least one document.'))
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return HttpResponseRedirect(
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request.META.get(
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'HTTP_REFERER', reverse(settings.LOGIN_REDIRECT_URL)
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)
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)
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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(
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request.META.get(
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'HTTP_REFERER', reverse(settings.LOGIN_REDIRECT_URL)
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)
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)
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if set(documents.values_list('metadata__metadata_type', 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(
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request.META.get(
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'HTTP_REFERER', reverse(settings.LOGIN_REDIRECT_URL)
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)
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)
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post_action_redirect = reverse('documents:document_list_recent')
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next = request.POST.get(
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'next', request.GET.get(
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'next', request.META.get('HTTP_REFERER', post_action_redirect)
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)
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)
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metadata_dict = {}
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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 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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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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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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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': document,
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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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request,
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_(
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'Metadata for document %s edited successfully.'
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) % document
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)
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return HttpResponseRedirect(next)
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else:
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formset = MetadataFormSet(initial=initial)
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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 documents.count() == 1:
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context['object'] = documents.first()
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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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documents.count()
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)
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return render_to_response(
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'appearance/generic_form.html', context,
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context_instance=RequestContext(request)
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)
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def metadata_multiple_edit(request):
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return metadata_edit(
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request, document_id_list=request.GET.get(
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'id_list', request.POST.get('id_list', '')
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).split(',')
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)
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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 = Document.objects.filter(pk=document_id)
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if not documents:
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raise Document.DoesNotExist
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elif document_id_list:
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documents = Document.objects.select_related('document_type').filter(pk__in=document_id_list)
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if len(set([document.document_type.pk for document in documents])) > 1:
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messages.error(
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request, _('Only select documents of the same type.')
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)
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return HttpResponseRedirect(
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request.META.get(
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'HTTP_REFERER', reverse(settings.LOGIN_REDIRECT_URL)
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)
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)
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try:
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Permission.check_permissions(
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request.user, (permission_metadata_document_add,)
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)
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except PermissionDenied:
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documents = AccessControlList.objects.filter_by_access(
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permission_metadata_document_add, request.user, documents
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)
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if not documents:
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if document_id:
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raise PermissionDenied
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else:
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messages.error(request, _('Must provide at least one document.'))
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return HttpResponseRedirect(
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request.META.get(
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'HTTP_REFERER', reverse(settings.LOGIN_REDIRECT_URL)
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)
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)
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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(
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'next',
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request.GET.get(
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'next', request.META.get('HTTP_REFERER', post_action_redirect)
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)
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)
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if request.method == 'POST':
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form = AddMetadataForm(
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data=request.POST, document_type=document.document_type
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)
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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(
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document=document,
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metadata_type=metadata_type.metadata_type,
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defaults={'value': ''}
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)
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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(
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request,
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_(
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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': document,
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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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)
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else:
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if created:
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messages.success(
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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': document
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}
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)
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else:
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messages.warning(
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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': document
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}
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)
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if documents.count() == 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 documents.count() > 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': ','.join(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 documents.count() == 1:
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context['object'] = documents.first()
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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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documents.count()
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)
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return render_to_response(
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'appearance/generic_form.html', context,
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context_instance=RequestContext(request)
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)
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def metadata_multiple_add(request):
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return metadata_add(
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request, document_id_list=request.GET.get(
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'id_list', request.POST.get('id_list', '')
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).split(',')
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)
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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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documents = Document.objects.filter(pk=document_id)
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if not documents:
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raise Document.DoesNotExist
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elif document_id_list:
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documents = Document.objects.select_related('metadata').filter(
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pk__in=document_id_list
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)
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try:
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Permission.check_permissions(
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request.user, (permission_metadata_document_remove,)
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)
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except PermissionDenied:
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documents = AccessControlList.objects.filter_by_access(
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permission_metadata_document_remove, request.user, documents
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)
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if not documents:
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if document_id:
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raise PermissionDenied
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else:
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messages.error(request, _('Must provide at least one document.'))
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return HttpResponseRedirect(
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request.META.get(
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'HTTP_REFERER', reverse(settings.LOGIN_REDIRECT_URL)
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)
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)
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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(
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request.META.get(
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'HTTP_REFERER', reverse(settings.LOGIN_REDIRECT_URL)
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)
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)
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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(
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request.META.get(
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'HTTP_REFERER', reverse(settings.LOGIN_REDIRECT_URL)
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)
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)
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post_action_redirect = reverse('documents:document_list_recent')
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next = request.POST.get(
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'next', request.GET.get(
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'next', request.META.get('HTTP_REFERER', post_action_redirect)
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)
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)
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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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{
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'document_type': documents[0].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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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(
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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=document, 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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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': document
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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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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': document,
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'exception': ', '.join(exception.messages)
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}
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)
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return HttpResponseRedirect(next)
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else:
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formset = MetadataRemoveFormSet(initial=initial)
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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 documents.count() == 1:
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context['object'] = documents.first()
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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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documents.count()
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)
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return render_to_response(
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'appearance/generic_form.html', context,
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context_instance=RequestContext(request)
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)
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def metadata_multiple_remove(request):
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return metadata_remove(
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request, document_id_list=request.GET.get(
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'id_list', request.POST.get('id_list', '')
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).split(',')
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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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try:
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Permission.check_permissions(
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self.request.user, (permission_metadata_document_view,)
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)
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except PermissionDenied:
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AccessControlList.objects.check_access(
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permission_metadata_document_view, self.request.user,
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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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# 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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|
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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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|
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def add(self, item):
|
|
self.get_object().metadata.create(metadata_type=item, required=False)
|
|
|
|
def get_object(self):
|
|
return get_object_or_404(DocumentType, pk=self.kwargs['pk'])
|
|
|
|
def left_list(self):
|
|
return AssignRemoveView.generate_choices(
|
|
set(MetadataType.objects.all()) - set(
|
|
MetadataType.objects.filter(
|
|
id__in=self.get_object().metadata.values_list(
|
|
'metadata_type', flat=True
|
|
)
|
|
)
|
|
)
|
|
)
|
|
|
|
def right_list(self):
|
|
return AssignRemoveView.generate_choices(
|
|
self.get_object().metadata.filter(required=False)
|
|
)
|
|
|
|
def remove(self, item):
|
|
item.delete()
|
|
|
|
def get_extra_context(self):
|
|
return {
|
|
'object': self.get_object(),
|
|
'title': _(
|
|
'Optional metadata types for document type: %s'
|
|
) % self.get_object(),
|
|
}
|
|
|
|
|
|
class SetupDocumentTypeMetadataRequiredView(SetupDocumentTypeMetadataOptionalView):
|
|
def add(self, item):
|
|
self.get_object().metadata.create(metadata_type=item, required=True)
|
|
|
|
def right_list(self):
|
|
return AssignRemoveView.generate_choices(
|
|
self.get_object().metadata.filter(required=True)
|
|
)
|
|
|
|
def get_extra_context(self):
|
|
return {
|
|
'object': self.get_object(),
|
|
'title': _(
|
|
'Required metadata types for document type: %s'
|
|
) % self.get_object(),
|
|
}
|