/// <summary>
/// Metoda obsługująca pobieranie z bazy danych wszystkich grup górskich.
/// </summary>
/// <returns>Lista grup górskich reprezentowanych przez klasę MountainRangeViewModel</returns>
public List <MountainRangeViewModel> GetAll()
{
List <MountainRange> mountainRanges = new List <MountainRange>();
mountainRanges = dbContext.MountainRange.AsNoTracking()
.Include(x => x.MountainSystem)
.ToList();
if (mountainRanges == null)
{
return(null);
}
mountainRanges.Sort((a, b) => a.MountainSystem.Id.CompareTo(b.MountainSystem.Id));
List <MountainRangeViewModel> mountainRangeViewModels = new List <MountainRangeViewModel>();
foreach (var x in mountainRanges)
{
var mountainRangeViewModel = new MountainRangeViewModel()
{
Id = x.Id,
Name = x.Name,
MountainSystemName = x.MountainSystem.Name
};
mountainRangeViewModels.Add(mountainRangeViewModel);
}
return(mountainRangeViewModels);
}
/// <summary>
/// Metoda obsługująca pobieranie z bazy danych grupę górską o konkretnym identyfikatorze
/// przekazanym w parametrze.
/// </summary>
/// <param name="id">Identyfikator grupy górskiej</param>
/// <returns>Grupa górska reprezentowana przez klasę MountainRangeViewModel</returns>
public MountainRangeViewModel Get(int id)
{
var mountainRange = dbContext.MountainRange.AsNoTracking()
.Include(x => x.MountainSystem)
.Where(x => x.Id == id)
.FirstOrDefault();
if (mountainRange == null)
{
return(null);
}
var mountainRangeViewModel = new MountainRangeViewModel()
{
Id = mountainRange.Id,
Name = mountainRange.Name,
MountainSystemName = mountainRange.MountainSystem.Name
};
return(mountainRangeViewModel);
}
