Method is_valid_start_node

apps/application/flow/common.py:241–246

(self)

            self.is_valid_work_flow(next_node)

    def is_valid_start_node(self):
        start_node_list = [node for node in self.nodes if node.id == 'start-node']
        if len(start_node_list) == 0:
            raise AppApiException(500, _('The starting node is required'))
        if len(start_node_list) > 1:
            raise AppApiException(500, _('There can only be one starting node'))

    def is_valid_model_params(self):
        node_list = [node for node in self.nodes if (