def single_scenario(scenario_id):
"""Return page for single scenario."""
api = get_autostorage_api()
scenario_manager = ScenarioManager(api)
single_scenario_manager = scenario_manager.get_scenario(scenario_id)
with api.get_session() as session:
view_states = single_scenario_manager.get_view_states().with_session(session).all()
current_view_state = view_states[0]
current_name = current_view_state.name
current_description = current_view_state.description
name_form = EditScenarioNameForm(original_name=current_name)
description_form = EditScenarioDescriptionForm(original_description=current_description)
if name_form.rename.data and name_form.validate_on_submit():
single_scenario_manager.rename(name_form.name.data)
flash('Your changes have been saved.')
return redirect(url_for('single_scenario', scenario_id=scenario_id))
else:
name_form.name.data = current_name
if description_form.change_description.data and description_form.validate_on_submit():
single_scenario_manager.change_description(description_form.description.data)
flash('Your changes have been saved.')
return redirect(url_for('single_scenario', scenario_id=scenario_id))
else:
description_form.description.data = current_description
structure_tree = _create_tree(single_scenario_manager)
node_manager = ScenarioNodeManager(api)
with api.get_session() as session:
node_states = node_manager.get_scenario_node_states().with_session(session).all()
return render_template(
"single_scenario.html",
scenario_id=scenario_id,
scenario_name=current_name,
scenario_description=current_description,
view_states=view_states,
name_form=name_form,
description_form=description_form,
structure_tree=structure_tree,
node_states=node_states
)
def scenario_nodes():
"""Return page with scenario nodes."""
new_node_form = CreateScenarioNodeForm()
api = get_autostorage_api()
node_manager = ScenarioNodeManager(api)
if new_node_form.validate_on_submit():
node_manager.create_scenario_node(new_node_form.name.data)
with api.get_session() as session:
node_states = node_manager.get_scenario_node_states().with_session(session).all()
return render_template(
"scenario_nodes.html",
node_states=node_states,
new_node_form=new_node_form,
)
def _create_tree(single_scenario_manager):
# pylint: disable=too-many-locals
"""Create view tree."""
api = get_autostorage_api()
structure_query = single_scenario_manager.get_current_structure_states().subquery()
node_manager = ScenarioNodeManager(api)
nodes_query = node_manager.get_scenario_node_states().subquery()
joined = structure_query.join(
nodes_query,
structure_query.columns.node_id == nodes_query.columns.node_id
)
with api.get_session() as session:
tree_nodes_data = session.query(
select(
columns=[
structure_query.columns.tree_path,
nodes_query.columns.name,
nodes_query.columns.node_id
],
from_obj=joined
)
).all()
tree = {}
for tree_path, name, node_id in tree_nodes_data:
path = tree_path.split('-')
parent_key = path[0]
subtree = tree.setdefault(parent_key, {})
for key in path[1:]:
parent_key = parent_key + '-' + key
subtree = subtree.setdefault("children", {}).setdefault(parent_key, {})
subtree['name'] = name
subtree['node_id'] = node_id
return tree
