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First commit to add metadata groups

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This commit is contained in:
Roberto Rosario
2011-02-11 23:08:00 -04:00
parent 369f89f8a6
commit c83c2e0d46
5 changed files with 143 additions and 9 deletions
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57
apps/documents/views.py
View File

@@ -192,7 +192,12 @@ def upload_document_with_type(request, document_type_id, multiple=True):
return render_to_response('generic_form.html', context,
context_instance=RequestContext(request))
from django.db.models import Q
from models import MetadataGroup
from models import INCLUSION_AND, INCLUSION_OR, OPERATOR_EQUAL, OPERATOR_IS_NOT_EQUAL
def document_view(request, document_id):
document = get_object_or_404(Document, pk=document_id)
form = DocumentForm_view(instance=document, extra_fields=[
@@ -207,7 +212,44 @@ def document_view(request, document_id):
{'label':_(u'Checksum'), 'field':'checksum'},
{'label':_(u'UUID'), 'field':'uuid'},
])
metadata_groups = {}
if MetadataGroup.objects.all().count():
metadata_dict = {}
for document_metadata in document.documentmetadata_set.all():
metadata_dict['metadata_%s' % document_metadata.metadata_type.name] = document_metadata.value
for group in MetadataGroup.objects.filter(Q(document_type=document.document_type) | Q(document_type=None)):
total_query = None
for count, item in enumerate(group.metadatagroupitem_set.all()):
try:
expression_result = eval(item.expression, metadata_dict)
if item.operator == OPERATOR_EQUAL:
value_query = Q(documentmetadata__value=expression_result)
elif item.operator == OPERATOR_IS_NOT_EQUAL:
value_query = ~Q(documentmetadata__value=expression_result)
query = (Q(documentmetadata__metadata_type__id=item.metadata_type.id) & value_query)
if count == 0:
total_query = query
else:
if item.inclusion == INCLUSION_AND:
total_query &= query
elif item.inclusion == INCLUSION_AND:
total_query |= query
except Exception, e:
if request.user.is_staff:
messages.warning(request, _(u'Metadata group query error: %s' % e))
else:
pass
if total_query:
print 'total_query',total_query
metadata_groups[group] = Document.objects.filter(total_query)
print 'documents',Document.objects.filter(total_query)
preview_form = DocumentPreviewForm(document=document)
form_list = [
{
@@ -239,11 +281,22 @@ def document_view(request, document_id):
'title':_(u'index links'),
'object_list':document.documentmetadataindex_set.all(),
'hide_link':True})
sidebar_groups = []
for group, data in metadata_groups.items():
sidebar_groups.append({
'title':group.label,
'name':'generic_list_subtemplate.html',
'object_list':data,
'hide_columns':True,
'hide_header':True,
})
return render_to_response('generic_detail.html', {
'form_list':form_list,
'object':document,
'subtemplates_dict':subtemplates_dict,
'sidebar_subtemplates_dict':sidebar_groups,
}, context_instance=RequestContext(request))