private async Task ChangeItemSection(KeyValuePair <BudgetSection, BudgetItem> arg)
{
if (!_isItemSectionChangeSet)
{
throw new Exception("Item section change is not set!");
}
var oldSection = BudgetSections.FirstOrDefault(o => o.BudgetSectionID == arg.Value.BudgetSectionID);
await _dataManager.ChangeItemSection(arg.Value, arg.Key, oldSection);
}
private async Task RemoveItem(BudgetItem arg)
{
await _dataManager.RemoveObject(arg);
var section = BudgetSections.First(o => o.BudgetSectionID == arg.BudgetSectionID);
section.Items.Remove(arg);
Recalculate();
if (BudgetItemEdited != null)
{
BudgetItemEdited(this, new EventArgs());
}
}
private async Task AddNewSection(object obj)
{
if (BudgetSections == null)
{
BudgetSections = new ObservableCollection <BudgetSection>();
}
var section = NewBudgetSection;
NewBudgetSection = null;
section = await _dataManager.AddSectionToBudget(_currentBudget, section);
BudgetSections.Add(section);
if (NewBudgetSectionCreated != null)
{
NewBudgetSectionCreated(this, new EventArgs());
}
}
private void Recalculate()
{
if (BudgetSections == null)
{
return;
}
foreach (var section in BudgetSections)
{
section.RecalculateTotals();
}
var total = BudgetSections.Sum(o => o.SectionType == BudgetSectionType.Debit ? o.Total * -1 : o.Total);
if (_currentBudget.HasInitialBudget)
{
MoneyLeft.Value = InitialBudget.Value + total;
}
Totals.Value = total;
}
private void SetupItemSectionChange(BudgetItem arg)
{
ItemSectionChangeList = BudgetSections.ToDictionary(k => k, v => arg);
_isItemSectionChangeSet = true;
}