public double calculateDistanceFiltered(TruckPlan truckPlan, Func <LocationLogEntry, bool> filter)
{
IEnumerable <LocationLogEntry> entries = from ll in truckPlan.LocationLog
where filter(ll)
select ll;
return(calculate(entries));
}
public void HandlesAllDirections(float x, float y)
{
Truck t = new Truck();
t.LocationLog = new System.Collections.Generic.List<LocationLogEntry>() {
new LocationLogEntry() { Longitude = 0.0f, Latitude = 0.0f, Time = new DateTime(1) },
new LocationLogEntry() { Longitude = x, Latitude = y, Time = new DateTime(2) },
};
TruckPlan tp = new TruckPlan() { Start = new DateTime(0), Length = new TimeSpan(3), Truck = t };
Assert.Equal(5.0, _calculator.calculateDistance(tp));
}
public void DoesTheRightThing()
{
Truck t = new Truck();
t.LocationLog = new System.Collections.Generic.List<LocationLogEntry>() {
new LocationLogEntry() { Longitude = 0.0f, Latitude = 0.0f, Time = new DateTime(1) },
new LocationLogEntry() { Longitude = 3.0f, Latitude = 4.0f, Time = new DateTime(2) },
};
TruckPlan tp = new TruckPlan() { Start = new DateTime(0), Length = new TimeSpan(3), Truck = t };
Assert.Equal(5.0, _calculator.calculateDistance(tp));
}
public void OnlyCalculatesBasedOnTheMatchingInterval()
{
Truck t = new Truck();
t.LocationLog = new System.Collections.Generic.List<LocationLogEntry>() {
new LocationLogEntry() { Longitude = 0.0f, Latitude = 0.0f, Time = new DateTime(10) },
new LocationLogEntry() { Longitude = 3.0f, Latitude = 4.0f, Time = new DateTime(20) },
new LocationLogEntry() { Longitude = 6.0f, Latitude = 8.0f, Time = new DateTime(30) },
new LocationLogEntry() { Longitude = 9.0f, Latitude = 12.0f, Time = new DateTime(40) },
};
TruckPlan tp = new TruckPlan() { Start = new DateTime(19), Length = new TimeSpan(20), Truck = t };
Assert.Equal(5.0, _calculator.calculateDistance(tp));
}
static void Main(string[] args)
{
Console.WriteLine("Hello World!");
using (var db = new TruckPlannerContext())
{
db.Database.EnsureDeleted();
}
using (var db = new TruckPlannerContext())
{
db.Database.EnsureCreated();
Console.WriteLine("Creating some drivers");
var jane = new Driver {
Name = "Jane Doe", Birthdate = new DateTime(1950, 4, 25)
};
db.Drivers.Add(jane);
var monster = new Truck()
{
LocationLog = new List <LocationLogEntry>()
};
monster.LocationLog.AddRange(new LocationLogEntry[] {
new LocationLogEntry {
Latitude = 2, Longitude = 0, Time = new DateTime(2018, 2, 10, 1, 0, 0)
},
new LocationLogEntry {
Latitude = 2, Longitude = 1, Time = new DateTime(2018, 2, 10, 2, 0, 0)
},
new LocationLogEntry {
Latitude = 2, Longitude = 2, Time = new DateTime(2018, 2, 10, 3, 0, 0)
},
new LocationLogEntry {
Latitude = 2, Longitude = 3, Time = new DateTime(2018, 2, 10, 4, 0, 0)
},
}.AsEnumerable());
db.Trucks.Add(monster);
var tp = new TruckPlan {
Driver = jane, Start = new DateTime(2018, 2, 10), Length = new TimeSpan(8, 0, 0), Truck = monster
};
db.TruckPlans.Add(tp);
db.SaveChanges();
tp.Driver = db.Drivers.First();
tp.Truck = db.Trucks.First();
db.SaveChanges();
}
// Actual meat and potatoes
using (var countryService = new CountryService())
using (var db = new TruckPlannerContext())
{
// Ensure we are somewhat eagerly lodaing all the datas.
var tps = db.TruckPlans
.Include(tp => tp.Driver)
.Include(tp => tp.Truck)
.ThenInclude(t => t.LocationLog)
.ToList();
var distanceCalculator = new TruckplanDistanceCalculator();
// Fun hoops to jump thorugh to get async stuff to be synchronous.
Func <LocationLogEntry, Task <bool> > ff = async(ll) => await countryService.GetCountry((ll.Latitude, ll.Longitude)) == "Germany";
Func <LocationLogEntry, bool> germanyFilter = (llorg) => (ff(llorg)).Result;
// drivers.Age > 50, in February 2018, in Germany select km
DateTime dt_start = DateTime.Parse("2018-02-01"), dt_end = DateTime.Parse("2018-02-28");
Func <Driver, bool> driverFilter = (driver) => (dt_start.Year - driver.Birthdate.Year) > 50;
var truckplans = from tp in db.TruckPlans.AsEnumerable()
where (dt_start <= tp.Start && tp.Start <= dt_end) && driverFilter(tp.Driver)
select tp;
var truckplan_distances = from tp in truckplans.AsEnumerable()
select distanceCalculator.calculateDistanceFiltered(tp, germanyFilter);
Console.WriteLine(string.Format("In total, drivers over the age of 50, in the February 2018, drove in Germany, this many kilometers: {0}", truckplan_distances.Sum()));
}
}
public double calculateDistance(TruckPlan truckPlan)
{
IEnumerable <LocationLogEntry> entries = truckPlan.LocationLog;
return(calculate(entries));
}
