public virtual async Task <RouteDetails> getRouteDurationAndOverallDistance(PickUpAddress depot, List <Delivery> deliveries)
{
string waypointsUriString = "";
foreach (Delivery delivery in deliveries)
{
waypointsUriString += DirectionsService.getStringFromAddressInLatLngFormat(delivery.Client.Address);
waypointsUriString += "|";
}
waypointsUriString = waypointsUriString.TrimEnd('|');
string depotUriString = DirectionsService.getStringFromAddressInLatLngFormat(depot);
string uri = "https://maps.googleapis.com/maps/api/directions/json?origin=" + depotUriString + "&destination=" + depotUriString + "&waypoints=optimize:true|" + waypointsUriString;
HttpResponseMessage response = await googleMaps.performGoogleMapsRequestAsync(uri);
var jsonString = response.Content.ReadAsStringAsync().Result;
JObject json = JObject.Parse(jsonString);
var distanceObjects = json["routes"].Children()["legs"].Children()["distance"];
var distanceValues = distanceObjects.Select(ds => ds["value"]).Values <double>();
var overallDistanceInKm = Math.Round(distanceValues.Sum() / 1000, 2);
var durationObjects = json["routes"].Children()["legs"].Children()["duration"];
var durationValues = durationObjects.Select(ds => ds["value"]).Values <double>();
var overallDurationInHours = Math.Round(durationValues.Sum() / 3600, 2);
return(new RouteDetails(overallDistanceInKm, overallDurationInHours));
}
public async Task SendStatusUpdateEmailToAdminAsync(string statusString, Delivery delivery, List <EmployeeUser> employees)
{
foreach (EmployeeUser user in employees)
{
string emailMessage = "Hi " + user.NormalizedUserName;
emailMessage += "The status of delivery for the address " + DirectionsService.getStringFromAddress(delivery.Client.Address) + " dated " + delivery.DeliverBy.ToString() + " has been changed to " + statusString;
string emailAddress = user.Email;
string emailSubject = "Delivery status change to: " + statusString;
await emailSender.SendEmailAsync(emailAddress, emailSubject, emailMessage);
}
}
public async Task SendStatusUpdateEmailToClientAsync(Status status, Delivery delivery, Client client)
{
string emailMessage = "Hi " + client.FirstName;
if (!status.Equals(Status.FailedDelivery))
{
emailMessage += "The status of delivery for the address " + DirectionsService.getStringFromAddress(delivery.Client.Address) + " dated " + delivery.DeliverBy.ToString() + " has been changed to " + status.DisplayName();
string emailAddress = client.Email;
string emailSubject = "The status of your order has changed to: " + status.DisplayName();
await emailSender.SendEmailAsync(emailAddress, emailSubject, emailMessage);
}
}
public virtual async Task addLocationDataToAddress(Address address)
{
string addressString = DirectionsService.getStringFromAddress(address);
string uri = "https://maps.googleapis.com/maps/api/geocode/json?address=" + addressString;
HttpResponseMessage response = await googleMaps.performGoogleMapsRequestAsync(uri);
var jsonString = response.Content.ReadAsStringAsync().Result;
JObject json = JObject.Parse(jsonString);
var latValue = (string)json.SelectToken("results[0].geometry.location.lat");
var lat = Convert.ToDouble(latValue);
var lngValue = (string)json.SelectToken("results[0].geometry.location.lng");
var lng = Convert.ToDouble(lngValue);
address.Lat = lat;
address.Lng = lng;
}
public virtual async Task <PickUpAddress> FindClosestDepotLocationForRoute(ICollection <PickUpAddress> pickUpLocations, Center center)
{
var distances = new double[pickUpLocations.Count()];
for (int i = 0; i < pickUpLocations.Count(); i++)
{
string addressString = DirectionsService.getStringFromAddress(pickUpLocations.ElementAt(i));
string uri = "https://maps.googleapis.com/maps/api/distancematrix/json?units=imperial&origins=" + center.lat + "," + center.lng + "&destinations=" + addressString;
HttpResponseMessage response = await googleMaps.performGoogleMapsRequestAsync(uri);
var jsonString = response.Content.ReadAsStringAsync().Result;
JObject json = JObject.Parse(jsonString);
var distance = Convert.ToDouble((string)json.SelectToken("rows[0].elements[0].distance.value"));
distances[i] = distance;
}
var minDistanceIndex = distances.ToList().IndexOf(distances.Min());
return(pickUpLocations.ElementAt(minDistanceIndex));
}
public virtual async Task <double> getDistanceBetweenTwoAddresses(Address addressOne, Address addressTwo)
{
string addressOneString = DirectionsService.getStringFromAddress(addressOne);
string addressTwoString = DirectionsService.getStringFromAddress(addressTwo);
string uri = "https://maps.googleapis.com/maps/api/distancematrix/json?units=imperial&origins=" + addressOneString + "&destinations=" + addressTwoString;
HttpResponseMessage response = await googleMaps.performGoogleMapsRequestAsync(uri);
var jsonString = response.Content.ReadAsStringAsync().Result;
JObject json = JObject.Parse(jsonString);
var distanceValue = (string)json.SelectToken("rows[0].elements[0].distance.text");
if (distanceValue == null) // can be NOT FOUND status
{
return(1000);
}
var valueInDouble = Convert.ToDouble(distanceValue.Replace("mi", ""));
return(valueInDouble);
}
private async Task SelectDeliveriesBasedOnDistance(double DistanceWithin, IEnumerable <Address> addresses, HttpClient httpClient, string currentLocationString, IList <Delivery> deliveries)
{
foreach (Address address in addresses)
{
string addressLocationString = DirectionsService.getStringFromAddress(address, true);
HttpResponseMessage response = await googleMaps.createDistanceUriAndGetResponse(currentLocationString, addressLocationString, httpClient);
if (response.IsSuccessStatusCode)
{
double distanceToAddress = GetDistanceFromResponse(response);
if (distanceToAddress != DEFAULT_NON_FOUND_ADDRESS_VALUE && distanceToAddress < DistanceWithin)
{
Delivery delivery = null;
Type type = address.GetType();
if (type == typeof(PickUpAddress))
{
delivery = context.Deliveries
.Include(d => d.DeliveryStatus)
.SingleOrDefault();
}
else
{
delivery = context.Deliveries
.Include(d => d.DeliveryStatus)
.Include(d => d.Client)
.Include(d => d.Client.Address)
.Where(d => d.Client.Address.ID == address.ID)
.FirstOrDefault();
}
if (delivery != null)
{
DeliveryStatus status = delivery.DeliveryStatus;
if (status != null && status.Status == Status.New)
{
deliveries.Add(delivery);
}
}
}
}
}
}
