def build_navigation(self, current_group_id, current_group_instance):
"""
Build navigation based on the current group/instance selected
:param current_group_id:
:param current_group_instance:
:return:
"""
if self.survey_json.get('navigation', False) is False:
return None
navigation = []
last_group_id = SchemaHelper.get_last_group_id(self.survey_json)
for group in filter(lambda x: 'hide_in_navigation' not in x,
self.survey_json['groups']):
logger.debug("building frontend navigation", group_id=group['id'])
first_location = Location(group['id'], 0, group['blocks'][0]['id'])
last_block_in_group = SchemaHelper.get_last_block_in_group(group)
is_summary_or_confirm_group = last_block_in_group and \
SchemaHelper.is_summary_or_confirmation(last_block_in_group)
last_block_location = Location(group['id'], 0,
last_block_in_group['id'])
can_get_to_summary = is_summary_or_confirm_group and self.routing_path and \
last_block_location in self.routing_path
skip_group = self._should_skip_group(current_group_instance, group)
if not skip_group:
repeating_rule = SchemaHelper.get_repeat_rule(group)
if repeating_rule:
logger.debug("building repeating navigation",
group_id=group['id'])
navigation.extend(
self._build_repeating_navigation(
repeating_rule, group, current_group_id,
current_group_instance))
elif last_group_id == group['id'] and can_get_to_summary:
logger.debug("building navigation", group_id=group['id'])
if len(self.completed_blocks) > 0 and set(
self.routing_path[:-1]).issubset(
self.completed_blocks):
navigation.append(
self._build_single_navigation(
group, current_group_id, first_location))
elif last_group_id != group[
'id'] and not is_summary_or_confirm_group:
logger.debug("building navigation", group_id=group['id'])
navigation.append(
self._build_single_navigation(group, current_group_id,
first_location))
return navigation
def test_get_last_block_returns_last_block(self):
group = {
'blocks': [{
'id': 'block1',
}, {
'id': 'block2'
}]
}
last_block = SchemaHelper.get_last_block_in_group(group)
self.assertIsNotNone(last_block)
self.assertEqual(last_block['id'], 'block2')
def test_get_last_block_returns_none_when_no_blocks(self):
empty_group = {}
last_block = SchemaHelper.get_last_block_in_group(empty_group)
self.assertIsNone(last_block)
