public async Task <IBillExpense> GetByIdAsync(int id)
{
var result = default(BillExpense);
var bill = await billController.GetByIdAsync(id);
if (bill != null)
{
result = new BillExpense();
result.Bill.CopyProperties(bill);
foreach (var item in await expenseController.QueryAsync(e => e.BillId == id))
{
result.ExpenseEntities.Add(item);
}
}
else
{
throw new Exception("Entity can't find!");
}
return(result);
}
public async Task <IBillExpense> UpdateAsync(IBillExpense entity)
{
entity.CheckArgument(nameof(entity));
entity.Bill.CheckArgument(nameof(entity.Bill));
entity.Expenses.CheckArgument(nameof(entity.Expenses));
//Delete all costs that are no longer included in the list.
foreach (var item in await expenseController.QueryAsync(e => e.BillId == entity.Bill.Id))
{
var tmpExpense = entity.Expenses.SingleOrDefault(i => i.Id == item.Id);
if (tmpExpense == null)
{
await expenseController.DeleteAsync(item.Id);
}
}
var result = new BillExpense();
var bill = await billController.UpdateAsync(entity.Bill);
result.BillEntity.CopyProperties(bill);
foreach (var item in entity.Expenses)
{
if (item.Id == 0)
{
item.BillId = entity.Bill.Id;
var insEntity = await expenseController.InsertAsync(item);
item.CopyProperties(insEntity);
}
else
{
var updEntity = await expenseController.UpdateAsync(item);
item.CopyProperties(updEntity);
}
}
return(result);
}
public async Task <IBillExpense> InsertAsync(IBillExpense entity)
{
entity.CheckArgument(nameof(entity));
entity.Bill.CheckArgument(nameof(entity.Bill));
entity.Expenses.CheckArgument(nameof(entity.Expenses));
var result = new BillExpense();
result.BillEntity.CopyProperties(entity.Bill);
await billController.InsertAsync(result.BillEntity);
foreach (var item in entity.Expenses)
{
var expense = new Expense();
expense.CopyProperties(item);
expense.Bill = result.BillEntity;
await expenseController.InsertAsync(expense);
result.ExpenseEntities.Add(expense);
}
return(result);
}