public static void AddRoad(DTO.Road newRoad)
{
CitiesAndRoadsDbContext db = new CitiesAndRoadsDbContext();
if (newRoad.Length == 0)
{
throw new CustomException("Road requires actual length.");
}
if (newRoad.SideCityOneId == newRoad.SideCityTwoId)
{
throw new CustomException("Cities must be different.");
}
if (DoesRoadExist(newRoad, db))
{
throw new CustomException("Road already exist.");
}
var road = new Road();
road.Length = newRoad.Length;
road.SideCityOneId = newRoad.SideCityOneId;
road.SideCityTwoId = newRoad.SideCityTwoId;
db.Roads.Add(road);
db.SaveChanges();
}
public static void SetLogisticCenter(DTO.City logisticCenter)
{
CitiesAndRoadsDbContext db = new CitiesAndRoadsDbContext();
logisticCenter.IsLogisticCenter = true;
var city = db.Cities.First(c => c.Id == logisticCenter.Id);
city.IsLogisticCenter = logisticCenter.IsLogisticCenter;
db.SaveChanges();
}
public static void AddCity(DTO.City newCity)
{
CitiesAndRoadsDbContext db = new CitiesAndRoadsDbContext();
if (String.IsNullOrWhiteSpace(newCity.Name))
{
throw new CustomException("City requires Name.");
}
if (DoesCityExist(newCity, db))
{
throw new CustomException("City already exists.");
}
var city = new City();
city.Name = newCity.Name;
db.Cities.Add(city);
db.SaveChanges();
}
