def get_previous_location(self, current_location):
"""
Returns the previous 'location' to visit given a set of user answers
:param current_location:
:return: The previous location as a dict
:return:
"""
if current_location.group_id == 'who-lives-here-relationship':
return self._relationship_previous_location(
current_location.group_instance)
is_first_block_for_group = SchemaHelper.is_first_block_id_for_group(
self.survey_json, current_location.group_id,
current_location.block_id)
if is_first_block_for_group:
return None
routing_path = self.get_routing_path(current_location.group_id,
current_location.group_instance)
current_location_index = PathFinder._get_current_location_index(
routing_path, current_location)
if current_location_index is not None and current_location_index != 0:
return routing_path[current_location_index - 1]
return None
def _build_template(current_location, context=None, template=None):
metadata = get_metadata(current_user)
metadata_context = build_metadata_context(metadata)
answer_store = get_answer_store(current_user)
completed_blocks = get_completed_blocks(current_user)
navigation = Navigation(g.schema_json, answer_store, metadata, completed_blocks)
front_end_navigation = navigation.build_navigation(current_location.group_id, current_location.group_instance)
path_finder = PathFinder(g.schema_json, answer_store, metadata)
previous_location = path_finder.get_previous_location(current_location)
previous_url = None
is_first_block_for_group = SchemaHelper.is_first_block_id_for_group(g.schema_json, current_location.group_id, current_location.block_id)
if previous_location is not None and not is_first_block_for_group and not current_location.block_id == 'thank-you':
previous_url = previous_location.url(metadata)
return _render_template(context, current_location.block_id, front_end_navigation, metadata_context, current_location, previous_url, template)
