class Truck:
def __init__(self, _id):
self.id = _id
self.route = Route()
self.miles_traveled = 0
self.max_speed = 18 # Truck can reach a max speed of 18 MPH.
self.max_packages = 16 # Truck can contain a max of 16 packages per route
self.completed_route = False
self.departure_time = None
self.started_delivering = False
def at_base(self):
"""
Complexity: Big O(1)
Returns if the truck is at starting location
"""
return self.route._current_location == self.route.starting_location
def assign_delivery(self, delivery, add_index):
"""
Complexity: Big O(1)
assign a single delivery at a specific index
"""
self.route.add_delivery(self.id, delivery, add_index)
def assign_deliveries(self, deliveries_list):
"""
Complexity: Big O(n)
Assign a List of deliveries to this Truck
"""
self.route.add_deliveries(self.id, deliveries_list)
def will_fit(self, delivery):
"""
Complexity: Big O(n)
Checks to see if this delivery will fit in the Truck
"""
return len(self.get_packages()) + len(
delivery.packages) <= self.max_packages
def will_fit_list(self, delivery_list):
"""
Complexity: Big O(n)
Checks to see if this list of deliveries will fit in the Truck
"""
package_list_sum = sum(
[len(delivery.packages) for delivery in delivery_list])
return len(self.get_packages()) + package_list_sum <= 16
def get_deliveries(self):
"""
Complexity: Big O(n)
Get all the deliveries assigned to this truck
"""
return [delivery for delivery in self.route.deliveries]
def get_packages(self):
"""
Complexity: Big O(n)
Get all the packages assigned to this truck
"""
package_list = []
for delivery in self.route.deliveries:
package_list += delivery.packages
return package_list
def start_delivering(self, time):
"""
Complexity: Big O(1)
Start the route and timestamp the departure time of the truck
"""
self.started_delivering = True
self.route.init(time)
self.departure_time = time
print(f"Truck {self.id} has started its route at {time}")
def minutes_passed(self, minutes):
"""
Complexity: Big O(n)
Notify this truck a specified amount of minutes have passed.
Convert the time to miles and advance the route
"""
miles_left = self.route.get_miles_left
miles_traveled = 0.3 * minutes
if self.completed_route or miles_left() == 0:
if self.route._current_location != self.route.starting_location:
self.route.return_to_base(self.id)
self.completed_route = True
print(f"Truck {self.id} has completed route")
return
print(f"Truck {self.id} has {miles_left()} miles left to go")
self.miles_traveled += miles_traveled
self.route.advance_by_miles(miles_traveled)
print(
f"Truck {self.id} has driven {round(self.miles_traveled, 2)} miles"
)
if miles_left() == 0:
self.completed_route = True
print(f"Truck {self.id} has completed route")
return
def get_ETA_back_at_depot(self):
return self.route.get_ETA_back_at_depot()
def populate_ETA(self, departure_time):
"""
Complexity: Big O(n^2)
"""
self.route.populate_ETA(departure_time)
