def generic_update_node(node_class, request, labels, params, node_id):
node = get_node_by_id(node_class, node_id)
params = editable_params(params, labels)
form = form_for_node_properties(node, params.keys(), params)
if form.is_valid():
set_node_properties_from_params(node, form.cleaned_data)
node.save()
return node
def generic_update_rel(rel_class, request, labels, params, node_id):
labels = labels.replace(')-[', ')-[r')
query = 'MATCH ({}) WHERE ID(r)={{this}} RETURN r'.format(labels)
query_params = dict(this=node_id)
results, meta = db.cypher_query(query, query_params)
rel = rel_class.inflate(results[0][0])
form = form_for_node_properties(rel, params.keys(), params)
if form.is_valid():
set_node_properties_from_params(rel, form.cleaned_data)
rel.save()
return rel
def generic_create_related(node_class, other_node_class, rel_name,
request, labels, params, node_id):
node = get_node_by_id(node_class, node_id)
other_labels = label_string(other_node_class.inherited_labels())
params = editable_params(params, other_labels)
form = form_for_node_properties(other_node_class, params.keys(), params)
if form.is_valid():
other_node = create_node_from_params(other_node_class, form.cleaned_data)
rel = getattr(node, rel_name)
rel.connect(other_node)
return node, other_node
