public async Task <ExpenseBillModel> Update(ExpenseBillModel model)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
model.Validate();
var bill = await _repository.LoadAsync <ExpenseBill>(model.Id);
if (bill == null)
{
throw new ArgumentException($"Нет счета с Id = {model.Id}");
}
var oldsum = bill.SumPrice;
var oldAccountId = bill.AccountId;
bill.DateTime = model.DateTime;
bill.SumPrice = model.Cost;
bill.ExpenseFlowId = model.ExpenseFlowId;
bill.AccountId = model.AccountId;
foreach (var item in model.Items)
{
if (item.Id > 0 && !item.IsModified && !item.IsDeleted)
{
continue;
}
if (item.Id <= 0 || item.IsModified)
{
var itemModel = new ExpenseItem
{
BillId = model.Id,
CategoryId = item.CategoryId,
ProductId = item.ProductId,
Price = item.Cost,
Quantity = item.Quantity,
Comment = item.Comment
};
if (item.Id <= 0)
{
_repository.Create(itemModel);
}
else
{
itemModel.Id = item.Id;
_repository.Update(itemModel);
}
}
else if (item.IsDeleted)
{
var itemModel = await _repository.LoadAsync <ExpenseItem>(item.Id);
if (itemModel == null)
{
continue;
}
_repository.Delete(itemModel);
}
}
_repository.Update(bill);
var balance = await _transitionBalanceUpdater.Update(bill, oldsum, oldAccountId);
await _transactionBuilder.UpdateExpense(bill, oldAccountId, balance);
await _repository.SaveChangesAsync().ConfigureAwait(false);
return(model);
}