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from typing import List
from datetime import datetime, timedelta
from . import domain
# Conversion functions from domain to API models
def location_to_model(location: domain.Location) -> List[float]:
return [location.latitude, location.longitude]
def visit_to_model(visit: domain.Visit) -> domain.VisitModel:
return domain.VisitModel(
id=visit.id,
name=visit.name,
location=location_to_model(visit.location),
demand=visit.demand,
min_start_time=visit.min_start_time.isoformat(),
max_end_time=visit.max_end_time.isoformat(),
service_duration=int(visit.service_duration.total_seconds()),
vehicle=visit.vehicle.id if visit.vehicle else None,
previous_visit=visit.previous_visit.id if visit.previous_visit else None,
next_visit=visit.next_visit.id if visit.next_visit else None,
arrival_time=visit.arrival_time.isoformat() if visit.arrival_time else None,
start_service_time=visit.start_service_time.isoformat()
if visit.start_service_time
else None,
departure_time=visit.departure_time.isoformat()
if visit.departure_time
else None,
driving_time_seconds_from_previous_standstill=visit.driving_time_seconds_from_previous_standstill,
)
def vehicle_to_model(vehicle: domain.Vehicle) -> domain.VehicleModel:
return domain.VehicleModel(
id=vehicle.id,
name=vehicle.name,
capacity=vehicle.capacity,
home_location=location_to_model(vehicle.home_location),
departure_time=vehicle.departure_time.isoformat(),
visits=[visit.id for visit in vehicle.visits],
total_demand=vehicle.total_demand,
total_driving_time_seconds=vehicle.total_driving_time_seconds,
arrival_time=vehicle.arrival_time.isoformat(),
)
def plan_to_model(plan: domain.VehicleRoutePlan) -> domain.VehicleRoutePlanModel:
return domain.VehicleRoutePlanModel(
name=plan.name,
south_west_corner=location_to_model(plan.south_west_corner),
north_east_corner=location_to_model(plan.north_east_corner),
vehicles=[vehicle_to_model(v) for v in plan.vehicles],
visits=[visit_to_model(v) for v in plan.visits],
score=str(plan.score) if plan.score else None,
solver_status=plan.solver_status.name if plan.solver_status else None,
total_driving_time_seconds=plan.total_driving_time_seconds,
start_date_time=plan.start_date_time.isoformat()
if plan.start_date_time
else None,
end_date_time=plan.end_date_time.isoformat() if plan.end_date_time else None,
)
# Conversion functions from API models to domain
def model_to_location(model: List[float]) -> domain.Location:
return domain.Location(latitude=model[0], longitude=model[1])
def model_to_visit(
model: domain.VisitModel, vehicle_lookup: dict, visit_lookup: dict
) -> domain.Visit:
# Handle vehicle reference
vehicle = None
if model.vehicle:
if isinstance(model.vehicle, str):
vehicle = vehicle_lookup[model.vehicle]
else:
# This shouldn't happen in practice, but handle it for completeness
vehicle = vehicle_lookup[model.vehicle.id]
# Handle previous visit reference
previous_visit = None
if model.previous_visit:
if isinstance(model.previous_visit, str):
previous_visit = visit_lookup[model.previous_visit]
else:
previous_visit = visit_lookup[model.previous_visit.id]
# Handle next visit reference
next_visit = None
if model.next_visit:
if isinstance(model.next_visit, str):
next_visit = visit_lookup[model.next_visit]
else:
next_visit = visit_lookup[model.next_visit.id]
return domain.Visit(
id=model.id,
name=model.name,
location=model_to_location(model.location),
demand=model.demand,
min_start_time=datetime.fromisoformat(model.min_start_time),
max_end_time=datetime.fromisoformat(model.max_end_time),
service_duration=timedelta(seconds=model.service_duration),
vehicle=vehicle,
previous_visit=previous_visit,
next_visit=next_visit,
arrival_time=datetime.fromisoformat(model.arrival_time)
if model.arrival_time
else None,
)
def model_to_vehicle(model: domain.VehicleModel, visit_lookup: dict) -> domain.Vehicle:
# Handle visits references
visits = []
for visit_ref in model.visits:
if isinstance(visit_ref, str):
visits.append(visit_lookup[visit_ref])
else:
visits.append(visit_lookup[visit_ref.id])
return domain.Vehicle(
id=model.id,
capacity=model.capacity,
home_location=model_to_location(model.home_location),
departure_time=datetime.fromisoformat(model.departure_time),
visits=visits,
)
def model_to_plan(model: domain.VehicleRoutePlanModel) -> domain.VehicleRoutePlan:
# Convert basic collections first
vehicles = []
visits = []
# Convert visits first (they don't depend on vehicles)
for visit_model in model.visits:
visit = domain.Visit(
id=visit_model.id,
name=visit_model.name,
location=model_to_location(visit_model.location),
demand=visit_model.demand,
min_start_time=datetime.fromisoformat(visit_model.min_start_time),
max_end_time=datetime.fromisoformat(visit_model.max_end_time),
service_duration=timedelta(seconds=visit_model.service_duration),
vehicle=None, # Will be set later
previous_visit=None, # Will be set later
next_visit=None, # Will be set later
arrival_time=datetime.fromisoformat(visit_model.arrival_time)
if visit_model.arrival_time
else None,
)
visits.append(visit)
# Create lookup dictionaries
visit_lookup = {v.id: v for v in visits}
# Convert vehicles
for vehicle_model in model.vehicles:
vehicle = domain.Vehicle(
id=vehicle_model.id,
name=vehicle_model.name,
capacity=vehicle_model.capacity,
home_location=model_to_location(vehicle_model.home_location),
departure_time=datetime.fromisoformat(vehicle_model.departure_time),
visits=[],
)
vehicles.append(vehicle)
# Create vehicle lookup
vehicle_lookup = {v.id: v for v in vehicles}
# Now set up the relationships
for i, visit_model in enumerate(model.visits):
visit = visits[i]
# Set vehicle reference
if visit_model.vehicle:
if isinstance(visit_model.vehicle, str):
visit.vehicle = vehicle_lookup[visit_model.vehicle]
else:
visit.vehicle = vehicle_lookup[visit_model.vehicle.id]
# Set previous/next visit references
if visit_model.previous_visit:
if isinstance(visit_model.previous_visit, str):
visit.previous_visit = visit_lookup[visit_model.previous_visit]
else:
visit.previous_visit = visit_lookup[visit_model.previous_visit.id]
if visit_model.next_visit:
if isinstance(visit_model.next_visit, str):
visit.next_visit = visit_lookup[visit_model.next_visit]
else:
visit.next_visit = visit_lookup[visit_model.next_visit.id]
# Set up vehicle visits lists
for vehicle_model in model.vehicles:
vehicle = vehicle_lookup[vehicle_model.id]
for visit_ref in vehicle_model.visits:
if isinstance(visit_ref, str):
vehicle.visits.append(visit_lookup[visit_ref])
else:
vehicle.visits.append(visit_lookup[visit_ref.id])
# Handle score
score = None
if model.score:
from solverforge_legacy.solver.score import HardSoftScore
score = HardSoftScore.parse(model.score)
# Handle solver status
solver_status = domain.SolverStatus.NOT_SOLVING
if model.solver_status:
solver_status = domain.SolverStatus[model.solver_status]
return domain.VehicleRoutePlan(
name=model.name,
south_west_corner=model_to_location(model.south_west_corner),
north_east_corner=model_to_location(model.north_east_corner),
vehicles=vehicles,
visits=visits,
score=score,
solver_status=solver_status,
)
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