def recursively_explode_demands(process, order, user, visited):
"""This method assumes the output commitment from the process
has already been created.
"""
#import pdb; pdb.set_trace()
pt = process.process_type
output = process.main_outgoing_commitment()
if output.resource_type not in visited:
visited.append(output.resource_type)
for ptrt in pt.all_input_resource_type_relationships():
commitment = Commitment(
independent_demand=order,
event_type=ptrt.event_type,
description=ptrt.description,
due_date=process.start_date,
resource_type=ptrt.resource_type,
process=process,
project=pt.project,
quantity=output.quantity * ptrt.quantity,
unit_of_quantity=ptrt.resource_type.unit,
created_by=user,
)
commitment.save()
if ptrt.resource_type not in visited:
visited.append(ptrt.resource_type)
qty_to_explode = commitment.net()
if qty_to_explode:
pptr = ptrt.resource_type.main_producing_process_type_relationship(
)
if pptr:
next_pt = pptr.process_type
start_date = process.start_date - datetime.timedelta(
minutes=next_pt.estimated_duration)
next_process = Process(
name=next_pt.name,
process_type=next_pt,
process_pattern=next_pt.process_pattern,
project=next_pt.project,
url=next_pt.url,
end_date=process.start_date,
start_date=start_date,
)
next_process.save()
next_commitment = Commitment(
independent_demand=order,
event_type=pptr.event_type,
description=pptr.description,
due_date=process.start_date,
resource_type=pptr.resource_type,
process=next_process,
project=next_pt.project,
quantity=qty_to_explode * pptr.quantity,
unit_of_quantity=pptr.resource_type.unit,
created_by=user,
)
next_commitment.save()
recursively_explode_demands(next_process, order, user,
visited)
def generate_schedule(process, order, user):
pt = process.process_type
output = process.main_outgoing_commitment()
for ptrt in pt.consumed_resource_type_relationships():
commitment = Commitment(
independent_demand=order,
event_type=ptrt.relationship.event_type,
relationship=ptrt.relationship,
due_date=process.start_date,
resource_type=ptrt.resource_type,
process=process,
project=pt.project,
quantity=output.quantity * ptrt.quantity,
unit_of_quantity=ptrt.resource_type.unit,
created_by=user,
)
commitment.save()
pptr = ptrt.resource_type.main_producing_process_type_relationship()
if pptr:
next_pt = pptr.process_type
start_date = process.start_date - datetime.timedelta(
minutes=next_pt.estimated_duration)
next_process = Process(
name=next_pt.name,
process_type=next_pt,
project=next_pt.project,
url=next_pt.url,
end_date=process.start_date,
start_date=start_date,
)
next_process.save()
next_commitment = Commitment(
independent_demand=order,
event_type=pptr.relationship.event_type,
relationship=pptr.relationship,
due_date=process.start_date,
resource_type=pptr.resource_type,
process=next_process,
project=next_pt.project,
quantity=output.quantity * pptr.quantity,
unit_of_quantity=pptr.resource_type.unit,
created_by=user,
)
next_commitment.save()
generate_schedule(next_process, order, user)
