public async Task BeforeCreate(BudgetContext context)
{
var category = await context.FindAsync <ExpenseCategory>(ExpenseCategory?.ID ?? ExpenseCategoryId)
?? throw new InvalidOperationException("Could not find expense category for item");
category.CurrentBalance += Amount;
}
public async Task BeforeRemove(BudgetContext context)
{
var category = await context.FindAsync <ExpenseCategory>(ExpenseCategoryId);
category.CurrentBalance -= Amount;
}