def _add_resourcegroupitem(group_item, scenario_id):
"""
Add a single resource group item (no DB flush, as it's an internal function)
"""
if group_item.id and group_item.id > 0:
try:
group_item_i = DBSession.query(ResourceGroupItem).filter(
ResourceGroupItem.item_id == group_item.id).one()
except NoResultFound:
raise ResourceNotFoundError("ResourceGroupItem %s not found" %
(group_item.id))
else:
group_item_i = ResourceGroupItem()
group_item_i.group_id = group_item.group_id
if scenario_id is not None:
group_item_i.scenario_id = scenario_id
ref_key = group_item.ref_key
group_item_i.ref_key = ref_key
if ref_key == 'NODE':
group_item_i.node_id = group_item.ref_id
elif ref_key == 'LINK':
group_item_i.link_id = group_item.ref_id
elif ref_key == 'GROUP':
group_item_i.subgroup_id = group_item.ref_id
DBSession.add(group_item_i)
return group_item_i
def add_resourcegroupitem(group_item, scenario_id, **kwargs):
scenario._check_can_edit_scenario(scenario_id, kwargs['user_id'])
#Check whether the ref_id is correct.
if group_item.ref_key == 'NODE':
try:
DBSession.query(Node).filter(
Node.node_id == group_item.ref_id).one()
except NoResultFound:
raise HydraError("Invalid ref ID %s for a Node group item!" %
(group_item.ref_id))
elif group_item.ref_key == 'LINK':
try:
DBSession.query(Link).filter(
Link.link_id == group_item.ref_id).one()
except NoResultFound:
raise HydraError("Invalid ref ID %s for a Link group item!" %
(group_item.ref_id))
elif group_item.ref_key == 'GROUP':
try:
DBSession.query(ResourceGroup).filter(
ResourceGroup.group_id == group_item.ref_id).one()
except NoResultFound:
raise HydraError("Invalid ref ID %s for a Group group item!" %
(group_item.ref_id))
else:
raise HydraError("Invalid ref key: %s" % (group_item.ref_key))
group_item_i = ResourceGroupItem()
group_item_i.scenario_id = scenario_id
group_item_i.group_id = group_item.group_id
group_item_i.ref_key = group_item.ref_key
if group_item.ref_key == 'NODE':
group_item_i.node_id = group_item.ref_id
elif group_item.ref_key == 'LINK':
group_item_i.link_id = group_item.ref_id
elif group_item.ref_key == 'GROUP':
group_item_i.subgroup_id = group_item.ref_id
DBSession.add(group_item_i)
DBSession.flush()
return group_item_i
def clone_scenario(scenario_id, **kwargs):
scen_i = _get_scenario(scenario_id)
log.info("cloning scenario %s", scen_i.scenario_name)
cloned_name = "%s (clone)" % (scen_i.scenario_name)
existing_scenarios = DBSession.query(Scenario).filter(
Scenario.network_id == scen_i.network_id).all()
num_cloned_scenarios = 0
for existing_sceanrio in existing_scenarios:
if existing_sceanrio.scenario_name.find('clone') >= 0:
num_cloned_scenarios = num_cloned_scenarios + 1
if num_cloned_scenarios > 0:
cloned_name = cloned_name + " %s" % (num_cloned_scenarios)
log.info("Cloned scenario name is %s", cloned_name)
cloned_scen = Scenario()
cloned_scen.network_id = scen_i.network_id
cloned_scen.scenario_name = cloned_name
cloned_scen.scenario_description = scen_i.scenario_description
cloned_scen.created_by = kwargs['user_id']
cloned_scen.start_time = scen_i.start_time
cloned_scen.end_time = scen_i.end_time
cloned_scen.time_step = scen_i.time_step
log.info("New scenario created")
for rs in scen_i.resourcescenarios:
new_rs = ResourceScenario()
new_rs.resource_attr_id = rs.resource_attr_id
new_rs.dataset_id = rs.dataset_id
if kwargs.get('app_name') is None:
new_rs.source = rs.source
else:
new_rs.source = kwargs['app_name']
cloned_scen.resourcescenarios.append(new_rs)
log.info("ResourceScenarios cloned")
for resourcegroupitem_i in scen_i.resourcegroupitems:
new_resourcegroupitem_i = ResourceGroupItem()
new_resourcegroupitem_i.ref_key = resourcegroupitem_i.ref_key
new_resourcegroupitem_i.link_id = resourcegroupitem_i.link_id
new_resourcegroupitem_i.node_id = resourcegroupitem_i.node_id
new_resourcegroupitem_i.subgroup_id = resourcegroupitem_i.subgroup_id
new_resourcegroupitem_i.group_id = resourcegroupitem_i.group_id
cloned_scen.resourcegroupitems.append(new_resourcegroupitem_i)
log.info("Resource group items cloned.")
DBSession.add(cloned_scen)
DBSession.flush()
log.info("Cloning finished.")
return cloned_scen
def add_scenario(network_id, scenario, **kwargs):
"""
Add a scenario to a specified network.
"""
user_id = int(kwargs.get('user_id'))
log.info("Adding scenarios to network")
_check_network_ownership(network_id, user_id)
existing_scen = DBSession.query(Scenario).filter(
Scenario.scenario_name == scenario.name,
Scenario.network_id == network_id).first()
if existing_scen is not None:
raise HydraError("Scenario with name %s already exists in network %s" %
(scenario.name, network_id))
scen = Scenario()
scen.scenario_name = scenario.name
scen.scenario_description = scenario.description
scen.layout = scenario.get_layout()
scen.network_id = network_id
scen.created_by = user_id
scen.start_time = str(timestamp_to_ordinal(
scenario.start_time)) if scenario.start_time else None
scen.end_time = str(timestamp_to_ordinal(
scenario.end_time)) if scenario.end_time else None
scen.time_step = scenario.time_step
#Just in case someone puts in a negative ID for the scenario.
if scenario.id < 0:
scenario.id = None
if scenario.resourcescenarios is not None:
#extract the data from each resourcescenario so it can all be
#inserted in one go, rather than one at a time
all_data = [r.value for r in scenario.resourcescenarios]
datasets = data._bulk_insert_data(all_data, user_id=user_id)
#record all the resource attribute ids
resource_attr_ids = [
r.resource_attr_id for r in scenario.resourcescenarios
]
#get all the resource scenarios into a list and bulk insert them
for i, ra_id in enumerate(resource_attr_ids):
rs_i = ResourceScenario()
rs_i.resource_attr_id = ra_id
rs_i.dataset_id = datasets[i].dataset_id
rs_i.scenario_id = scen.scenario_id
rs_i.dataset = datasets[i]
scen.resourcescenarios.append(rs_i)
if scenario.resourcegroupitems is not None:
#Again doing bulk insert.
for group_item in scenario.resourcegroupitems:
group_item_i = ResourceGroupItem()
group_item_i.scenario_id = scen.scenario_id
group_item_i.group_id = group_item.group_id
group_item_i.ref_key = group_item.ref_key
if group_item.ref_key == 'NODE':
group_item_i.node_id = group_item.ref_id
elif group_item.ref_key == 'LINK':
group_item_i.link_id = group_item.ref_id
elif group_item.ref_key == 'GROUP':
group_item_i.subgroup_id = group_item.ref_id
scen.resourcegroupitems.append(group_item_i)
DBSession.add(scen)
DBSession.flush()
return scen