public void AddNewBudgetCategory()
{
BudgetCategoryViewModel vm = new BudgetCategoryViewModel(this.dbFilePath);
BudgetCategory category = new BudgetCategory();
Task.Run(() => vm.PopulateVMAsync(category));
vm.CanDelete = false;
vm.CanEdit = true;
vm.IsNew = true;
this.BudgetCategories.Add(vm);
GroupCategories();
this.SelectedBudgetCategory = vm;
}
public async Task AddNewBudgetCategoryAsync()
{
BudgetCategoryViewModel vm = new BudgetCategoryViewModel(this.dbFilePath);
BudgetCategory category = new BudgetCategory();
await vm.PopulateVMAsync(category);
vm.IsNew = true;
vm.CanDelete = false;
vm.CanEdit = true;
this.BudgetCategories.Add(vm);
await GroupCategoriesAsync();
this.SelectedBudgetCategory = vm;
}
public async Task <bool> DeleteBudgetCategoryAsync(BudgetCategoryViewModel vm)
{
bool deleted = false;
var itemList = new List <BudgetCategoryViewModel>();
if (vm.CanDelete && this.BudgetCategories.Contains(vm, new BudgetCategoryViewModelComparer()))
{
deleted = await vm.DeleteAsync();
if (deleted)
{
this.BudgetCategories.Remove(vm);
await GroupCategoriesAsync();
}
}
else
{
this.WriteErrorCondition("Unable to locate provided item in the source collection");
}
return(deleted);
}
internal async Task LoadVMAsync()
{
using (UnitOfWork uow = new UnitOfWork(this.dbFilePath))
{
var _results = await uow.GetAllBudgetCategoriesAsync();
var _tempList = new List <BudgetCategoryViewModel>();
if (_results.Successful)
{
foreach (var category in _results.Results.OrderByDescending(c => c.budgetAmount))
{
var vm = new BudgetCategoryViewModel(this.dbFilePath);
vm.CanEdit = true;
vm.CanDelete = true;
await vm.PopulateVMAsync(category);
this.BudgetCategories.Add(vm);
}
await GroupCategoriesAsync();
}
else
{
if (_results.WorkException != null)
{
WriteErrorCondition(_results.WorkException);
}
else if (!string.IsNullOrEmpty(_results.Message))
{
WriteErrorCondition(_results.Message);
}
else
{
WriteErrorCondition("An unknown error has occurred");
}
}
}
}
