/*
* Find truck for selected shipment
*/
protected void gvShipments_SelectedIndexChanged(object sender, EventArgs e)
{
clearPage();
if (gvShipments.SelectedIndex >= 0)
{
//get shipment
Shipment shipment = DbInterfaceShipment.GetShipmentForTruck(Convert.ToInt32(gvShipments.Rows[gvShipments.SelectedIndex].Cells[1].Text));
//get all paths from database
Paths paths = new Paths();
//get available trucks using selected shipping method
UtilityClass.ShippingSpeed speed = UtilityClass.ShippingSpeed.Normal;
if (gvShipments.SelectedRow.Cells[7].Text.Equals("Express"))
speed = UtilityClass.ShippingSpeed.Express;
else if (gvShipments.SelectedRow.Cells[7].Text.Equals("Urgent"))
speed = UtilityClass.ShippingSpeed.Urgent;
List<Truck> trucks = DbInterfaceTruck.GetAvailableTrucks(speed);
//filter trucks and find only those with room
if (trucks.Count > 0)
{
List<Truck> temp = new List<Truck>();
foreach (Truck truck in trucks)
{
double length = Convert.ToDouble(gvShipments.SelectedRow.Cells[2].Text);
double width = Convert.ToDouble(gvShipments.SelectedRow.Cells[3].Text);
double height = Convert.ToDouble(gvShipments.SelectedRow.Cells[4].Text);
double volume = length * width * height;
double weight = Convert.ToDouble(gvShipments.SelectedRow.Cells[5].Text);
if (truck.TruckHasRoom(volume, weight))
temp.Add(truck);
}
trucks = temp;
}
//filter trucks and find only those going to the destination
List<Truck> currentlyGoingToLoc = new List<Truck>();
if (trucks.Count > 0)
{
foreach (Truck truck in trucks)
{
//find those going to location - needs to include cities that don't already have deliveries going to them
if (truck.GoingToLocation(paths, shipment.deliveryAddress.city + ", " + shipment.deliveryAddress.state))
currentlyGoingToLoc.Add(truck);
}
}
//if there are already trucks going to the delivery location, find the best option
if (currentlyGoingToLoc.Count > 0)
{
trucks = currentlyGoingToLoc;
}
//if there aren't any trucks going to the delivery location, see if there are any that
//can alter their route
else
{
List<Truck> temp = new List<Truck>();
foreach (Truck truck in trucks)
{
if (truck.AlterRoute(paths, shipment.deliveryAddress.city + ", " + shipment.deliveryAddress.state))
temp.Add(truck);
}
trucks = temp;
}
//if there is more than one truck left, give staff member option
if (trucks.Count > 1)
{
//add each truck to drop down
ExistingTrucks.Items.Clear();
ExistingTrucks.Items.Add(new ListItem("", ""));
foreach (Truck truck in trucks)
ExistingTrucks.Items.Add(new ListItem(truck.licensePlateNum, truck.id.ToString()));
ChooseTruckPanel.Visible = true;
}
//if there is one truck left, place shipment on truck
else if (trucks.Count == 1)
{
TruckPlacement.Text = "The shipment will be placed on the truck with license number " + trucks[0].licensePlateNum + ". Click OK to confirm.";
TruckId.Text = trucks[0].id.ToString();
OneTruckPanel.Visible = true;
}
//if there is not a truck left, start a new one (if there is one available)
else
{
trucks = DbInterfaceTruck.GetTrucksByStatus(UtilityClass.TruckStatus.Idle);
//add each available truck to dropdown
if (trucks.Count > 0)
{
NewTrucks.Items.Clear();
Drivers.Items.Clear();
NewTrucks.Items.Add(new ListItem("", ""));
Drivers.Items.Add(new ListItem("", ""));
//add available trucks to dropdown
foreach (Truck truck in trucks)
NewTrucks.Items.Add(new ListItem(truck.licensePlateNum, truck.id.ToString()));
//add available drivers to dropdown
List<Driver> drivers = DbInterfaceDriver.GetAvailableDrivers();
if (drivers.Count > 0)
{
foreach (Driver driver in drivers)
Drivers.Items.Add(new ListItem(driver.firstName + " " + driver.lastName, driver.id.ToString()));
}
else
{
SelectDriver.Text = "No drivers are currently available.";
SelectDriver.Visible = true;
}
ChooseNewTruckPanel.Visible = true;
}
//let user know there are no trucks available
else
{
Message.Text = "There are currently no trucks available for this shipment";
MessagePanel.Visible = true;
}
}
}
}
/*
* Pre:
* Post: Add the shipment to the available truck
*/
protected void OK_Click(object sender, EventArgs e)
{
if (!TruckId.Text.Equals(""))
{
int truckId = Convert.ToInt32(TruckId.Text);
int shipmentId = Convert.ToInt32(gvShipments.Rows[gvShipments.SelectedIndex].Cells[1].Text);
//get shipment
Shipment shipment = DbInterfaceShipment.GetShipmentForTruck(shipmentId);
//get all paths from database
Paths paths = new Paths();
//get truck
Truck truck = DbInterfaceTruck.GetTruckById(truckId);
//if the truck is already going to the needed location, add the shipment
if (truck.GoingToLocation(paths, shipment.deliveryAddress.city + ", " + shipment.deliveryAddress.state))
DbInterfaceTruck.AddShipmentToTruck(shipmentId, truckId);
//otherwise alter the route and then add the shipment
else
{
truck.AlterRoute(paths, shipment.deliveryAddress.city + ", " + shipment.deliveryAddress.state);
DbInterfaceTruck.CommitRouteChangeAndAddShipment(shipmentId, truckId, truck.pathId);
}
//show confirmation
Message.Text = "The shipment was successfully added to the truck";
gvShipments.DataBind();
OneTruckPanel.Visible = false;
MessagePanel.Visible = true;
//get delivery date range
DateTime firstDate = DateTime.Today.AddDays(5); //normal
DateTime lastDate = DateTime.Today.AddDays(7);
if (shipment.shippingSpeed == UtilityClass.ShippingSpeed.Express)
{
firstDate = DateTime.Today.AddDays(3);
lastDate = DateTime.Today.AddDays(5);
}
else if (shipment.shippingSpeed == UtilityClass.ShippingSpeed.Urgent)
{
firstDate = DateTime.Today.AddDays(1);
lastDate = DateTime.Today.AddDays(3);
}
//send email
UtilityClass.SendEmail(shipment.customer.email, "Package Ready for Shipment", "Thank you for using the La Crosse Parcel Service! " +
"Your shipment has been placed on a truck for delivery and can be expected to arrive between " +
firstDate.ToShortDateString() + " and " + lastDate.ToShortDateString() +
". Please visit 138.49.101.81/Account/Login to view status updates.");
}
}
/*
* Pre:
* Post: Determines whether the truck will be passing through the input city
* @paths is the list of paths in the map
* @city is the city name
*/
public bool GoingToLocation(Paths paths, string city)
{
bool passingThrough = false;
Path path = paths.paths[pathId - 1];
//see if the input city is in the current path
int i = 0;
while (!passingThrough && i < path.roads.Count)
{
if (path.roads[i].city.Equals(city))
passingThrough = true;
i++;
}
return passingThrough;
}
/*
* Pre:
* Post: Start a new delivery truck and add the selected shipment
* to that truck
*/
protected void OkNew_Click(object sender, EventArgs e)
{
SelectNewTruck.Visible = false;
SelectDriver.Visible = false;
//change status and shipping speed of truck, set truck path, associate shipment
//with truck, update shipment status
if (NewTrucks.SelectedIndex > 0 && Drivers.SelectedIndex > 0)
{
//get shipment
int shipmentId = Convert.ToInt32(gvShipments.Rows[gvShipments.SelectedIndex].Cells[1].Text);
Shipment shipment = DbInterfaceShipment.GetShipmentForTruck(shipmentId);
//find new path
Paths paths = new Paths();
int pathId = paths.GetIdOfShortestPath(new List<string> { shipment.deliveryAddress.city + ", " + shipment.deliveryAddress.state });
DbInterfaceTruck.StartNewTruckWithShipment(shipmentId, Convert.ToInt32(NewTrucks.SelectedValue),
shipment.shippingSpeed, pathId, Convert.ToInt32(Drivers.SelectedValue));
//show confirmation
Message.Text = "The shipment was successfully added to the truck";
gvShipments.DataBind();
ChooseNewTruckPanel.Visible = false;
MessagePanel.Visible = true;
//get delivery date range
DateTime firstDate = DateTime.Today.AddDays(5); //normal
DateTime lastDate = DateTime.Today.AddDays(7);
if (shipment.shippingSpeed == UtilityClass.ShippingSpeed.Express)
{
firstDate = DateTime.Today.AddDays(3);
lastDate = DateTime.Today.AddDays(5);
}
else if (shipment.shippingSpeed == UtilityClass.ShippingSpeed.Urgent)
{
firstDate = DateTime.Today.AddDays(1);
lastDate = DateTime.Today.AddDays(3);
}
//send email
UtilityClass.SendEmail(shipment.customer.email, "Package Ready for Shipment", "Thank you for using the La Crosse Parcel Service! " +
"Your shipment has been placed on a truck for delivery and can be expected to arrive between " +
firstDate.ToShortDateString() + " and " + lastDate.ToShortDateString() +
". Please visit 138.49.101.81/Account/Login to view status updates.");
}
else if (NewTrucks.SelectedIndex <= 0)
{
SelectNewTruck.Visible = true;
}
else if (Drivers.SelectedIndex <= 0)
{
SelectDriver.Text = "Please select a driver";
SelectDriver.Visible = true;
}
}
/*
* Pre:
* Post: The truck's route is altered if the new city can be accomodated
* @returnst rue if the route was altered and false otherwise
*/
public bool AlterRoute(Paths paths, string city)
{
bool altered = false;
List<int> pathsToSwitchTo = new List<int>(); //track paths that can be switched to
Path currentPath = paths.paths[pathId - 1];
//look for paths that have all current cities as well as the new city
for (int i = 0; i < paths.paths.Length; i++)
{
bool hasAllCities = true;
foreach (Road road in currentPath.roads)
{
if (!paths.paths[i].hasCity(road.city))
hasAllCities = false;
}
//if all cities were found, add to list of possible paths
if (hasAllCities && paths.paths[i].hasCity(city))
pathsToSwitchTo.Add(i + 1);
}
//if there is one available path, switch to it
if (pathsToSwitchTo.Count == 1)
{
pathId = pathsToSwitchTo.ElementAt(0);
altered = true;
}
//if there are multiple available paths, switch to the shortest one
else if (pathsToSwitchTo.Count > 1)
{
int pathIdWithShortestTime = -1;
long shortestTime = long.MaxValue;
for (int i = 0; i < pathsToSwitchTo.Count; i++)
{
long currTime = paths.paths[pathsToSwitchTo[i] - 1].time();
if (currTime < shortestTime)
{
shortestTime = currTime;
pathIdWithShortestTime = pathsToSwitchTo[i];
}
}
pathId = pathIdWithShortestTime;
altered = true;
}
return altered;
}