public async Task <BudgetItemViewModel> AddBudgetItemAsync()
{
BudgetItemViewModel vm = new BudgetItemViewModel(this.dbFilePath);
vm.ItemUpdated += OnItemUpdate;
BudgetItem item = null;
if (this.CategoryType == BudgetCategoryType.Income)
{
item = new IncomeItem();
item.ItemType = BudgetItemType.Income;
}
else
{
item = new ExpenseItem();
item.ItemType = BudgetItemType.Expense;
}
item.budgetCategory = model;
item.budgetCategoryId = model.id;
item.StartDate = DateTime.Now;
item.recurring = true;
item.frequency = Frequency.Monthly;
await vm.PopulateVMAsync(item);
vm.IsNew = true;
this.BudgetItems.Add(vm);
this.SelectedBudgetItem = vm;
return(vm);
}
async Task LoadIncomeItemsAsync(int categoryId)
{
using (UnitOfWork uow = new UnitOfWork(this.dbFilePath))
{
var _resultsCategory = await uow.GetBudgetCategoryAsync(categoryId);
if (_resultsCategory.Successful)
{
BudgetCategory category = _resultsCategory.Results;
var _resultsIncomeItems = await uow.GetCategoryIncomeItemsAsync(category);
if (_resultsIncomeItems.Successful)
{
foreach (var item in _resultsIncomeItems.Results)
{
item.budgetCategory = category;
item.ItemType = BudgetItemType.Income;
this.BudgetItems.Add(item);
var vm = new BudgetItemViewModel(this.dbFilePath);
await vm.PopulateVMAsync(item);
this.BudgetItemVMs.Add(vm);
}
}
else
{
if (_resultsIncomeItems.WorkException != null)
{
WriteErrorCondition(_resultsIncomeItems.WorkException);
}
else if (!string.IsNullOrEmpty(_resultsIncomeItems.Message))
{
WriteErrorCondition(_resultsIncomeItems.Message);
}
else
{
WriteErrorCondition("An unknown error has occurred");
}
}
}
else
{
if (_resultsCategory.WorkException != null)
{
WriteErrorCondition(_resultsCategory.WorkException);
}
else if (!string.IsNullOrEmpty(_resultsCategory.Message))
{
WriteErrorCondition(_resultsCategory.Message);
}
else
{
WriteErrorCondition("An unknown error has occurred");
}
}
}
}
public async Task <bool> DelteBudgetItemAsync(BudgetItemViewModel vm)
{
bool deleted = false;
var itemList = new List <BudgetItemViewModel>();
if (vm.CanDelete && this.BudgetItems.Contains(vm, new BudgetItemViewModelComparer()))
{
deleted = await vm.DeleteAsync();
if (deleted)
{
this.BudgetItems.Remove(vm);
}
}
else
{
this.WriteErrorCondition("Unable to locate provided item in the source collection");
}
return(deleted);
}
internal async Task PopulateVMAsync(BudgetCategory category)
{
model = category;
using (UnitOfWork uow = new UnitOfWork(dbFilePath))
{
switch (category.categoryType)
{
case BudgetCategoryType.Expense:
var _resultsExpenseItems = await uow.GetCategoryExpenseItemsAsync(category);
if (_resultsExpenseItems.Successful)
{
foreach (var item in _resultsExpenseItems.Results.OrderByDescending(x => x.BudgetedAmount))
{
item.ItemType = BudgetItemType.Expense;
item.budgetCategory = category;
item.budgetCategoryId = category.id;
var vm = new BudgetItemViewModel(this.dbFilePath);
await vm.PopulateVMAsync(item);
vm.ItemUpdated += OnItemUpdate;
vm.IsNew = false;
vm.CanEdit = true;
vm.CanDelete = true;
this.BudgetItems.Add(vm);
}
}
else
{
if (_resultsExpenseItems.WorkException != null)
{
WriteErrorCondition(_resultsExpenseItems.WorkException);
}
else if (!string.IsNullOrEmpty(_resultsExpenseItems.Message))
{
WriteErrorCondition(_resultsExpenseItems.Message);
}
else
{
WriteErrorCondition("An unknown error has occurred loading Expense Items");
}
}
break;
case BudgetCategoryType.Income:
var _resultsIncomeItems = await uow.GetCategoryIncomeItemsAsync(category);
if (_resultsIncomeItems.Successful)
{
foreach (var item in _resultsIncomeItems.Results.OrderByDescending(i => i.BudgetedAmount))
{
item.ItemType = BudgetItemType.Income;
item.budgetCategory = category;
item.budgetCategoryId = category.id;
var vm = new BudgetItemViewModel(this.dbFilePath);
await vm.PopulateVMAsync(item);
vm.ItemUpdated += OnItemUpdate;
vm.IsNew = false;
vm.CanEdit = true;
vm.CanDelete = true;
this.BudgetItems.Add(vm);
}
}
else
{
if (_resultsIncomeItems.WorkException != null)
{
WriteErrorCondition(_resultsIncomeItems.WorkException);
}
else if (!string.IsNullOrEmpty(_resultsIncomeItems.Message))
{
WriteErrorCondition(_resultsIncomeItems.Message);
}
else
{
WriteErrorCondition("An unknown error has occurred loading Income Items");
}
}
break;
}
}
}