// E.g. POST http://localhost/Products
public async Task <IHttpActionResult> Post(T obj)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
TableForT().Add(obj);
await db.SaveChangesAsync();
return(Created(obj));
}
/// <summary>
/// Salvar informações na base de dados de forma assíncrona.
/// </summary>
public async Task <bool> CommitAsync()
{
using (var transaction = await _dbContext.Database.BeginTransactionAsync())
{
try
{
await _dbContext.SaveChangesAsync();
await Task.Run(() => transaction.Commit());
OperationSuccesful = true;
OperationMessage = Info.OperationSuccess;
}
catch (DbUpdateException ex)
{
transaction.Rollback();
OperationSuccesful = false;
OperationMessage = string.Format(Errors.Rollback_0, ex.GetMessages());
}
catch (Exception ex)
{
transaction.Rollback();
OperationSuccesful = false;
OperationMessage = string.Format(Errors.Error_0, ex.GetMessages());
}
finally
{
DetachAll();
}
}
return(OperationSuccesful);
}
public async Task <int> CommitAsync()
{
var transId = -1;
if (_context == null)
{
throw new ArgumentNullException(nameof(_context));
}
else if (_context.ChangeTracker.HasChanges())
{
using (var dbContextTransaction = await _context.Database.BeginTransactionAsync())
{
try
{
transId = await _context.SaveChangesAsync();
dbContextTransaction.Commit();
}
catch (Exception ex)
{
dbContextTransaction.Rollback();
throw new Exception(ex.ToString());
}
}
}
return(transId);
}
public async Task AddAsync(TEntity entity)
{
await _context.Set <TEntity>().AddAsync(entity);
await _context.SaveChangesAsync();
}