public void DetermineCustomersToInvite_ThreeCustomersWithinDistance_InvitesThreeCustomers()
{
var venue = new RadianCoordinate(Calculator.ConvertDegreesToRadians(53.339428), Calculator.ConvertDegreesToRadians(-6.257664));
var calculator = new Calculator();
var customers = new List <CustomerContract>
{
new CustomerContract {
Name = "1", UserId = 1, Latitude = 53.3334849, Longitude = -6.2612991
},
new CustomerContract {
Name = "3", UserId = 3, Latitude = 53.3334593, Longitude = -6.2646894
},
new CustomerContract {
Name = "2", UserId = 2, Latitude = 53.3334593, Longitude = -6.2646894
},
new CustomerContract {
Name = "5", UserId = 5, Latitude = 53.2487055, Longitude = -6.5992854
},
new CustomerContract {
Name = "4", UserId = 4, Latitude = 53.5061796, Longitude = -6.4699798
},
new CustomerContract {
Name = "6", UserId = 6, Latitude = 53.1970187, Longitude = -6.1308245
},
};
var invitationManager = new InvitationManager(calculator, venue);
var customersToInvite = invitationManager.DetermineCustomersToInvite(customers, 10);
Assert.AreEqual(3, customersToInvite.Count());
Assert.IsTrue(customersToInvite.ElementAt(0).UserId < customersToInvite.ElementAt(1).UserId);
Assert.IsTrue(customersToInvite.ElementAt(1).UserId < customersToInvite.ElementAt(2).UserId);
}
public void DetermineCustomersToInvite_NullCustomers_ThrowsArgumentNullException()
{
var venueLocation = new RadianCoordinate(Calculator.ConvertDegreesToRadians(53.339428), Calculator.ConvertDegreesToRadians(-6.257664));
var calculator = new Calculator();
var invitationManager = new InvitationManager(calculator, venueLocation);
var customersToInvite = invitationManager.DetermineCustomersToInvite(null, 100);
}
public void DetermineCustomersToInvite_NegativeDistanceToVenue_ThrowsArgumentException()
{
var venueLocation = new RadianCoordinate(Calculator.ConvertDegreesToRadians(53.339428), Calculator.ConvertDegreesToRadians(-6.257664));
var calculator = new Calculator();
var customers = new List <CustomerContract>();
var invitationManager = new InvitationManager(calculator, venueLocation);
var customersToInvite = invitationManager.DetermineCustomersToInvite(customers, -100);
}
public void DetermineCustomersToInvite_NoCustomersWithinDistance_InvitesNobody()
{
var venue = new RadianCoordinate(Calculator.ConvertDegreesToRadians(53.339428), Calculator.ConvertDegreesToRadians(-6.257664));
var calculator = new Calculator();
var customers = new List <CustomerContract>
{
new CustomerContract {
Name = "1", UserId = 1, Latitude = 53.2487055, Longitude = -6.5992854
},
new CustomerContract {
Name = "3", UserId = 3, Latitude = 53.5061796, Longitude = -6.4699798
},
new CustomerContract {
Name = "2", UserId = 2, Latitude = 53.1970187, Longitude = -6.1308245
},
};
var invitationManager = new InvitationManager(calculator, venue);
var customersToInvite = invitationManager.DetermineCustomersToInvite(customers, 10);
Assert.AreEqual(0, customersToInvite.Count());
}
public void DetermineCustomersToInvite_AllCustomersWithinDistance_InvitesAllCustomers()
{
var venue = new RadianCoordinate(Calculator.ConvertDegreesToRadians(53.339428), Calculator.ConvertDegreesToRadians(-6.257664));
var calculator = new Calculator();
var customers = new List <CustomerContract>
{
new CustomerContract {
Name = "1", UserId = 1, Latitude = 53.3334849, Longitude = -6.2612991
},
new CustomerContract {
Name = "3", UserId = 3, Latitude = 53.3334593, Longitude = -6.2646894
},
new CustomerContract {
Name = "2", UserId = 2, Latitude = 53.3334593, Longitude = -6.2646894
},
};
var invitationManager = new InvitationManager(calculator, venue);
var customersToInvite = invitationManager.DetermineCustomersToInvite(customers, 10);
Assert.AreEqual(customers.Count, customersToInvite.Count());
Assert.IsTrue(customersToInvite.ElementAt(0).UserId < customersToInvite.ElementAt(1).UserId);
Assert.IsTrue(customersToInvite.ElementAt(1).UserId < customersToInvite.ElementAt(2).UserId);
}
static void Main(string[] args)
{
if (args.Length < 1)
{
Console.WriteLine("Please specify the path to the input file in the command line arguments.");
return;
}
if (string.IsNullOrWhiteSpace(args[0]) || !File.Exists(args[0]))
{
Console.WriteLine("Input file not found.");
return;
}
try
{
var lines = File.ReadAllLines(args[0]);
var customers = new List <CustomerContract>();
var calculator = new Calculator();
var dublinOfficeLocation = new RadianCoordinate(Calculator.ConvertDegreesToRadians(53.339428), Calculator.ConvertDegreesToRadians(-6.257664));
foreach (var line in lines)
{
try
{
var customer = CustomerContract.Deserialize(line);
if (customer.IsValid())
{
customers.Add(customer);
}
}
catch (JsonSerializationException e)
{
continue;
}
catch (ArgumentNullException e)
{
continue;
}
catch (ArgumentException e)
{
continue;
}
}
var invitationManager = new InvitationManager(calculator, dublinOfficeLocation);
var customersToInvite = invitationManager.DetermineCustomersToInvite(customers, 100d);
Console.WriteLine("The following customers should be invited:");
foreach (var customer in customersToInvite)
{
Console.WriteLine($"{customer.Name} ({customer.UserId})");
}
}
catch (Exception e)
{
Console.WriteLine($"An unexpected error occurred: {e.Message}");
}
Console.WriteLine("Press any key to exit...");
Console.ReadKey();
}