Files
mayan-edms/apps/metadata/views.py

251 lines
11 KiB
Python

from django.shortcuts import render_to_response
from django.template import RequestContext
from django.utils.translation import ugettext_lazy as _
from django.shortcuts import get_object_or_404
from django.contrib import messages
from django.http import HttpResponseRedirect
from django.core.urlresolvers import reverse
from django.utils.http import urlencode
from documents.models import Document, RecentDocument
from permissions.api import check_permissions
from document_indexing.api import update_indexes, delete_indexes
from metadata import PERMISSION_METADATA_DOCUMENT_EDIT, \
PERMISSION_METADATA_DOCUMENT_ADD, PERMISSION_METADATA_DOCUMENT_REMOVE
from metadata.forms import MetadataFormSet, AddMetadataForm, MetadataRemoveFormSet
from metadata.api import save_metadata_list
from metadata.models import DocumentMetadata, MetadataType
def metadata_edit(request, document_id=None, document_id_list=None):
check_permissions(request.user, 'metadata', [PERMISSION_METADATA_DOCUMENT_EDIT])
if document_id:
documents = [get_object_or_404(Document, pk=document_id)]
if documents[0].documentmetadata_set.count() == 0:
messages.warning(request, _(u'The selected document doesn\'t have any metadata.'))
return HttpResponseRedirect(request.META.get('HTTP_REFERER', '/'))
elif document_id_list:
documents = [get_object_or_404(Document, pk=document_id) for document_id in document_id_list.split(',')]
else:
messages.error(request, _(u'Must provide at least one document.'))
return HttpResponseRedirect(request.META.get('HTTP_REFERER', '/'))
metadata = {}
for document in documents:
RecentDocument.objects.add_document_for_user(request.user, document)
for item in document.documentmetadata_set.all():
value = item.value
if item.metadata_type in metadata:
if value not in metadata[item.metadata_type]:
metadata[item.metadata_type].append(value)
else:
metadata[item.metadata_type] = [value] if value else u''
initial = []
for key, value in metadata.items():
initial.append({
'metadata_type': key,
'value': u', '.join(value)
})
formset = MetadataFormSet(initial=initial)
if request.method == 'POST':
formset = MetadataFormSet(request.POST)
if formset.is_valid():
for document in documents:
warnings = delete_indexes(document)
if request.user.is_staff or request.user.is_superuser:
for warning in warnings:
messages.warning(request, warning)
errors = []
for form in formset.forms:
if form.cleaned_data['update']:
try:
save_metadata_list([form.cleaned_data], document)
except Exception, e:
errors.append(e)
if errors:
for error in errors:
messages.error(request, _(u'Error editing metadata for document %(document)s; %(error)s.') % {
'document': document, 'error': error})
else:
messages.success(request, _(u'Metadata for document %s edited successfully.') % document)
warnings = update_indexes(document)
if request.user.is_staff or request.user.is_superuser:
for warning in warnings:
messages.warning(request, warning)
if len(documents) == 1:
return HttpResponseRedirect(document.get_absolute_url())
elif len(documents) > 1:
return HttpResponseRedirect(reverse('document_list_recent'))
context = {
'form_display_mode_table': True,
'form': formset,
}
if len(documents) == 1:
context['object'] = documents[0]
context['title'] = _(u'Edit metadata for document: %s') % ', '.join([unicode(d) for d in documents])
elif len(documents) > 1:
context['title'] = _(u'Edit metadata for documents: %s') % ', '.join([unicode(d) for d in documents])
return render_to_response('generic_form.html', context,
context_instance=RequestContext(request))
def metadata_multiple_edit(request):
return metadata_edit(request, document_id_list=request.GET.get('id_list', []))
def metadata_add(request, document_id=None, document_id_list=None):
check_permissions(request.user, 'metadata', [PERMISSION_METADATA_DOCUMENT_ADD])
if document_id:
documents = [get_object_or_404(Document, pk=document_id)]
elif document_id_list:
documents = [get_object_or_404(Document, pk=document_id) for document_id in document_id_list.split(',')]
else:
messages.error(request, _(u'Must provide at least one document.'))
return HttpResponseRedirect(request.META.get('HTTP_REFERER', '/'))
metadata = {}
for document in documents:
RecentDocument.objects.add_document_for_user(request.user, document)
if request.method == 'POST':
form = AddMetadataForm(request.POST)
if form.is_valid():
metadata_type = form.cleaned_data['metadata_type']
for document in documents:
document_metadata, created = DocumentMetadata.objects.get_or_create(document=document, metadata_type=metadata_type, defaults={'value': u''})
if created:
messages.success(request, _(u'Metadata type: %(metadata_type)s successfully added to document %(document)s.') % {
'metadata_type': metadata_type, 'document': document})
else:
messages.warning(request, _(u'Metadata type: %(metadata_type)s already present in document %(document)s.') % {
'metadata_type': metadata_type, 'document': document})
if len(documents) == 1:
return HttpResponseRedirect(reverse(metadata_edit, args=[document.pk]))
elif len(documents) > 1:
return HttpResponseRedirect(u'%s?%s' % (reverse('metadata_multiple_edit'), urlencode({'id_list': document_id_list})))
else:
form = AddMetadataForm()
context = {
#'form_display_mode_table': True,
'form': form,
}
if len(documents) == 1:
context['object'] = documents[0]
context['title'] = _(u'Add metadata type to document: %s') % ', '.join([unicode(d) for d in documents])
elif len(documents) > 1:
context['title'] = _(u'Add metadata type to documents: %s') % ', '.join([unicode(d) for d in documents])
return render_to_response('generic_form.html', context,
context_instance=RequestContext(request))
def metadata_multiple_add(request):
return metadata_add(request, document_id_list=request.GET.get('id_list', []))
def metadata_remove(request, document_id=None, document_id_list=None):
check_permissions(request.user, 'metadata', [PERMISSION_METADATA_DOCUMENT_REMOVE])
if document_id:
documents = [get_object_or_404(Document, pk=document_id)]
if documents[0].documentmetadata_set.count() == 0:
messages.warning(request, _(u'The selected document doesn\'t have any metadata.'))
return HttpResponseRedirect(request.META.get('HTTP_REFERER', '/'))
elif document_id_list:
documents = [get_object_or_404(Document, pk=document_id) for document_id in document_id_list.split(',')]
else:
messages.error(request, _(u'Must provide at least one document.'))
return HttpResponseRedirect(request.META.get('HTTP_REFERER', '/'))
metadata = {}
for document in documents:
RecentDocument.objects.add_document_for_user(request.user, document)
for item in document.documentmetadata_set.all():
value = item.value
if item.metadata_type in metadata:
if value not in metadata[item.metadata_type]:
metadata[item.metadata_type].append(value)
else:
metadata[item.metadata_type] = [value] if value else u''
initial = []
for key, value in metadata.items():
initial.append({
'metadata_type': key,
'value': u', '.join(value)
})
formset = MetadataRemoveFormSet(initial=initial)
if request.method == 'POST':
formset = MetadataRemoveFormSet(request.POST)
if formset.is_valid():
for document in documents:
try:
document_delete_fs_links(document)
except Exception, e:
messages.error(request, _(u'Error deleting filesystem links for document: %(document)s; %(error)s') % {
'document': document, 'error': e})
for form in formset.forms:
if form.cleaned_data['update']:
metadata_type = get_object_or_404(MetadataType, pk=form.cleaned_data['id'])
try:
document_metadata = DocumentMetadata.objects.get(document=document, metadata_type=metadata_type)
document_metadata.delete()
messages.success(request, _(u'Successfully remove metadata type: %(metadata_type)s from document: %(document)s.') % {
'metadata_type': metadata_type, 'document': document})
except:
messages.error(request, _(u'Error removing metadata type: %(metadata_type)s from document: %(document)s.') % {
'metadata_type': metadata_type, 'document': document})
try:
warnings = document_create_fs_links(document)
if request.user.is_staff or request.user.is_superuser:
for warning in warnings:
messages.warning(request, warning)
messages.success(request, _(u'Filesystem links updated successfully for document: %s.') % document)
except Exception, e:
messages.error(request, _('Error creating filesystem links for document: %(document)s; %(error)s') % {
'document': document, 'error': e})
if len(documents) == 1:
return HttpResponseRedirect(document.get_absolute_url())
elif len(documents) > 1:
return HttpResponseRedirect(reverse('document_list_recent'))
context = {
'form_display_mode_table': True,
'form': formset,
}
if len(documents) == 1:
context['object'] = documents[0]
context['title'] = _(u'Remove metadata types to document: %s') % ', '.join([unicode(d) for d in documents])
elif len(documents) > 1:
context['title'] = _(u'Remove metadata types to documents: %s') % ', '.join([unicode(d) for d in documents])
return render_to_response('generic_form.html', context,
context_instance=RequestContext(request))
def metadata_multiple_remove(request):
return metadata_remove(request, document_id_list=request.GET.get('id_list', []))