public AddNewItemViewModel(INavigation navigation)
{
_navigation = navigation;
_inventoryValidator = new InventoryValidator();
_item = new Inventory();
_inventoryRepo = new InventoryRepo();
AddItemCommand = new Command(async() => await AddItem());
}
public ReduceItemStockViewModel(INavigation navigation)
{
_navigation = navigation;
_inventoryValidator = new InventoryValidator();
_item = new Inventory();
_inventoryRepo = new InventoryRepo();
RemoveItemStockCommand = new Command(async() => await RemoveItemStock(SelectedItem, ValueAdjuster));
FetchInventory();
}
public IncreaseItemStockViewModel(INavigation navigation)
{
_navigation = navigation;
_inventoryValidator = new InventoryValidator();
_item = new Inventory();
_inventoryRepo = new InventoryRepo();
IncreaseItemStockCommand = new Command(async() => await IncreaseItemStock(SelectedItem, ValueAdjuster, NewPrice, NewLocation));
FetchInventory();
}
public ModifyItemViewModel(INavigation navigation, int selectedItemID)
{
_navigation = navigation;
_inventoryValidator = new InventoryValidator();
_item = new Inventory();
_item.Id = selectedItemID;
_inventoryRepo = new InventoryRepo();
UpdateItemCommand = new Command(async() => await UpdateItem());
FetchItem();
}
private void BtnAdd(object sender, RoutedEventArgs e)
{
if (InventoryValidator.IsValid(this.viewModel))
{
DbManager.Instance.AddAuthor(this.viewModel);
MessageBox.Show("Author added!");
this.NavigationService?.GoBack();
}
else
{
MessageBox.Show("Couldn't add the user. Make sure you've typed in all details!");
}
}
public void SaveData()
{
InventoryModel currentData = new InventoryModel();
CollectDetails(currentData);
InventoryValidator validator = new InventoryValidator();
ValidationResult result = validator.Validate(currentData);
if (result.IsValid == false)
{
string errorMessage = (String.Join(Environment.NewLine + " • ",
result.Errors.Select(error => error.ErrorMessage)));
universalHelper.MessageDialog("Saving of data failed!", " • " + errorMessage);
return;
}
else
{
helper.SaveItem(currentData);
}
}