public void Execute(object parameter)
{
try
{
this.ExecuteBusinessLogic();
_animalViewModel.AnimalListAccessEnabled = true;
}
catch (Exception exception)
{
_animalViewModel.RaiseAnimalVmErrorMessage(exception.Message);
}
}
public void Execute(object parameter)
{
try
{
_animalViewModel.AnimalsList =
new ObservableCollection <Animal>(RetrieveAnimals.GetAllAnimals());
_animalViewModel.AnimalListAccessEnabled = true;
}
catch (Exception exception)
{
_animalViewModel.RaiseAnimalVmErrorMessage("Error encountered when retrieving animals " +
"from the database.");
}
}
private void ExecuteBusinessLogic()
{
if (_animalViewModel.AnimalBufferList == null ||
_animalViewModel.AnimalBufferList.Count < 1)
{
return;
}
try
{
DeleteAnimalClass deleteAnimals = new DeleteAnimalClass(_animalViewModel.AnimalBufferList);
deleteAnimals.DeleteItems();
}
catch (Exception exception)
{
_animalViewModel.RaiseAnimalVmErrorMessage(exception.Message);
}
}
public void Execute(object parameter)
{
if (_animalViewModel.SelectedAnimal == null)
{
return;
}
try
{
var alreadyInList = _animalViewModel.AnimalBufferList
.Any(a => a.ID == _animalViewModel.SelectedAnimal.ID);
if (!alreadyInList)
{
_animalViewModel.AnimalBufferList.Add(_animalViewModel.SelectedAnimal);
_animalViewModel.AnimalsList.Remove(_animalViewModel.SelectedAnimal);
}
}
catch (Exception exception)
{
_animalViewModel.RaiseAnimalVmErrorMessage("Error encountered when dropping animal to buffer list.");
}
}
