def create_historical_record(self, instance, type):
manager = getattr(instance, self.manager_name)
attrs = {}
for field in instance._meta.fields:
if field.primary_key:
attrs[field.attname] = instance
elif isinstance(field, KeyToHistoryMarker):
related_instance = getattr(instance, field.attname)
result = None
if related_instance is not None:
history_manager = getattr(related_instance, type(
related_instance)._meta.custom_history_manager_name)
result = history_manager.most_recent()
attrs[field.attname] = result
else:
attrs[field.attname] = getattr(instance, field.attname)
attrs['current'] = True
manager.create(history_type=type, **attrs)
def create_historical_record(self, instance, type):
manager = getattr(instance, self.manager_name)
# If they set track_changes to False
# then we don't auto-create a revision here.
if not instance._track_changes:
return
attrs = {}
for field in instance._meta.fields:
if isinstance(field, models.fields.related.ForeignKey):
is_fk_to_self = (
field.related.parent_model == instance.__class__)
if is_versioned(field.related.parent_model) or is_fk_to_self:
if field.rel.parent_link:
# Concrete model inheritance and the parent is
# versioned. In this case, we subclass the
# parent historical model and use that parent
# related field instead.
continue
# If the FK field is versioned, set it to the most
# recent version of that object.
# The object the FK id refers to may have been
# deleted so we can't simply do Model.objects.get().
fk_hist_model = field.rel.to.history.model
fk_id_name = field.rel.field_name
fk_id_val = getattr(instance, field.attname)
fk_objs = fk_hist_model.objects.filter(
**{fk_id_name: fk_id_val})
if fk_objs:
attrs[field.name] = fk_objs[0] # most recent version
else:
attrs[field.name] = None
continue
attrs[field.attname] = getattr(instance, field.attname)
attrs.update(self._get_save_with_attrs(instance))
manager.create(history_type=type, **attrs)
def create_historical_record(self, instance, type):
manager = getattr(instance, self.manager_name)
# If they set track_changes to False
# then we don't auto-create a revision here.
if not instance._track_changes:
return
attrs = {}
for field in instance._meta.fields:
if isinstance(field, models.fields.related.ForeignKey):
is_fk_to_self = field.related.parent_model == instance.__class__
if is_versioned(field.related.parent_model) or is_fk_to_self:
if field.rel.parent_link:
# Concrete model inheritance and the parent is
# versioned. In this case, we subclass the
# parent historical model and use that parent
# related field instead.
continue
# If the FK field is versioned, set it to the most
# recent version of that object.
# The object the FK id refers to may have been
# deleted so we can't simply do Model.objects.get().
fk_hist_model = field.rel.to.history.model
fk_id_name = field.rel.field_name
fk_id_val = getattr(instance, field.attname)
fk_objs = fk_hist_model.objects.filter(**{fk_id_name: fk_id_val})
if fk_objs:
attrs[field.name] = fk_objs[0] # most recent version
else:
attrs[field.name] = None
continue
attrs[field.attname] = getattr(instance, field.attname)
attrs.update(self._get_save_with_attrs(instance))
manager.create(history_type=type, **attrs)
def create(self):
return create(self)
def _add(self): """ Add a node or information to a node """ try: if self._actions[1] == 'meta': _results = [] try: for _node in self._values[0]: try: _subresults = [] for _meta in self._values[0][_node]: _subresults.append(manager.call(_node,'addMeta',_meta)) _results.append(_subresults) except IndexError: _results.append(False) return _results except: return False elif self._actions[1] == 'links': _results = [] try: # For each node we want to add new links to for _node in self._values[0]: try: _subresults = [] # For each destination node for _dest in self._values[0][_node].keys(): _ssubresults = [] # For each link type for _type in self._values[0][_node][_dest]: _ssubresults.append(manager.call(_node,'addLink',_dest,_type)) _subresults.append(_ssubresults) _results.append(_subresults) except IndexError: _results.append(False) return _results except: return False elif self._actions[1] == 'data': _results = [] try: for _node in self._values[0].keys(): try: _subresults = [] for _data in self._values[0][_node]: _subresults.append(manager.call(_node,'addData',_data)) _results.append(_subresults) except IndexError: _results.append(False) return _results except: return False else: return False except: # We are adding nodes to the system, loop through the list _ids = [] for i in self._values[0]: _id = manager.create() # Add the meta data try: for meta in i[0]: manager.call(_id, 'addMeta', meta) except: pass # Add links try: for _dest in i[1].keys(): for _type in i[1][_dest]: manager.call(_id, 'addLink', _dest, _type) except: pass # Add Data result = manager.call(_id, 'addData', i[2]) # Commit the node _ids.append(_id) return _ids
