def entity_prune(request, entity_id):
"""
Curator can remove duplicate :class:`.Relation` instances from a
:class:`.ConceptEntity` instance.
"""
entity = _get_entity_by_id(request, entity_id)
operations.prune_relations(entity, request.user)
return HttpResponseRedirect(entity.get_absolute_url())
def resource_prune(request, resource_id):
"""
Curator can remove duplicate :class:`.Relation` instances from a
:class:`.Resource` instance.
"""
resource = _get_resource_by_id(request, resource_id)
operations.prune_relations(resource, request.user)
return HttpResponseRedirect(resource.get_absolute_url())
def test_prune_relations_identical_target(self):
resource_1 = Resource.objects.create(name='The first one')
a_value = Value.objects.create()
a_value.name = 'The value'
a_value.save()
some_predicate = Field.objects.create(name='related')
for i in xrange(5):
Relation.objects.create(source=resource_1, predicate=some_predicate, target=a_value)
operations.prune_relations(resource_1)
resource_1.refresh_from_db()
self.assertEqual(resource_1.relations_from.count(), 1)