public int GetFreeId()
{
//получим свободный id как максимальный плюс 1
var cityDatastore = CityDatastore.GetInstance();
int freeID = cityDatastore.Cities.Keys.Max() + 1;
return(freeID);
}
public static CityDatastore GetInstance()
{
if (_cityDatastore == null)
{
_cityDatastore = new CityDatastore();
}
return(_cityDatastore);
}
public CityGetModel UpdateCity(int id, CityGetModel City)
{
var cityDatastore = CityDatastore.GetInstance();
CityGetModel updatedCity = cityDatastore.Cities[id];
updatedCity.Name = City.Name;
updatedCity.description = City.description;
updatedCity.NumberOfPintsOfInterest = City.NumberOfPintsOfInterest;
return(updatedCity);
}
public CityGetModel AddCity(CityCreateModel newCity)
{
var cityDatastore = CityDatastore.GetInstance();
CityGetModel cityGetModel = new CityGetModel();
int freeId = GetFreeId();
cityGetModel.Id = freeId;
cityGetModel.Name = newCity.Name;
cityGetModel.description = newCity.description;
cityGetModel.NumberOfPintsOfInterest = newCity.NumberOfPintsOfInterest;
cityDatastore.Cities.Add(freeId, cityGetModel);
return(cityGetModel);
}
public bool isPrezent(int idn)
{
CityDatastore cityDatastore = CityDatastore.GetInstance();
return(cityDatastore.Cities.ContainsKey(idn));
}
public CityGetModel GetCityById(int idn)
{
CityDatastore cityDatastore = CityDatastore.GetInstance();
return(cityDatastore.Cities[idn]);
}
public Dictionary <int, CityGetModel> GetAllCities()
{
CityDatastore cityDatastore = CityDatastore.GetInstance();
return(cityDatastore.Cities);
}
public bool DeleteCity(int id)
{
var cityDatastore = CityDatastore.GetInstance();
return(cityDatastore.Cities.Remove(id));
}