/// <summary>
/// Starts a background task that will update, add or delete the
/// SrsItem according to the given operation type.
/// </summary>
/// <param name="operationType">Operation to execute on the SRS
/// item.</param>
private void SendEntity(SrsEntryOperationEnum operationType)
{
BackgroundWorker sendEntityWorker = new BackgroundWorker();
sendEntityWorker.DoWork += DoSendEntity;
sendEntityWorker.RunWorkerCompleted += DoneSendEntity;
sendEntityWorker.RunWorkerAsync(operationType);
}
/// <summary>
/// Starts a background task that will update, add or delete the
/// SrsItem according to the given operation type.
/// </summary>
/// <param name="operationType">Operation to execute on the SRS
/// item.</param>
private void SendEntity(SrsEntryOperationEnum operationType)
{
BackgroundWorker sendEntityWorker = new BackgroundWorker();
sendEntityWorker.DoWork += DoSendEntity;
sendEntityWorker.RunWorkerCompleted += DoneSendEntity;
sendEntityWorker.RunWorkerAsync(operationType);
}
/// <summary>
/// Background task work method.
/// Sends the entity to the database.
/// </summary>
private void DoSendEntity(object sender, DoWorkEventArgs e)
{
SrsEntryOperationEnum operationType = (SrsEntryOperationEnum)e.Argument;
// Acquire the send object. Thus, only one send operation can occur
// at any given time.
lock (_sendLock)
{
// Once the lock is acquired, check that the work is not done.
// You wouldn't want to submit the item again if it worked
// the first time.
if (!_isDone)
{
// The work has still not been done.
// Set the IsSending value and start the job.
IsSending = true;
if (operationType == SrsEntryOperationEnum.Update)
{
// Update
try
{
_isDone = _srsEntryDao.Update(_entry.Reference);
if (!_isDone)
{
ErrorMessage = R.SrsItem_EditFailure;
}
}
catch (Exception ex)
{
// An exception occured.
// Log the exception and set the error message.
LogHelper.GetLogger(this.GetType().Name)
.Error("Could not update the entity.", ex);
ErrorMessage = R.SrsItem_EditFailure;
}
}
else if (operationType == SrsEntryOperationEnum.Add)
{
// Add
try
{
// Sets some properties
Entry.Reference.CreationDate = DateTime.UtcNow;
// Add the entity to the database.
_srsEntryDao.Add(_entry.Reference);
_isDone = true;
// Saves the value of the tags
Properties.Settings.Default.LastSrsTagsValue = Entry.Tags;
}
catch (Exception ex)
{
// An exception occured.
// Log the exception and set the error message.
LogHelper.GetLogger(this.GetType().Name)
.Error("Could not add the entity.", ex);
ErrorMessage = R.SrsItem_EditFailure;
}
}
else
{
// Delete
try
{
_isDone = _srsEntryDao.Delete(_entry.Reference);
if (!_isDone)
{
ErrorMessage = R.SrsItem_EditFailure;
}
}
catch (Exception ex)
{
// An exception occured.
// Log the exception and set the error message.
LogHelper.GetLogger(this.GetType().Name)
.Error("Could not delete the entity.", ex);
ErrorMessage = R.SrsItem_EditFailure;
}
}
// After the job.
if (_isDone && FinishedEditing != null)
{
// If the job has been done, raise the event.
ExtendedSrsEntry result =
(operationType == SrsEntryOperationEnum.Delete ?
null : Entry);
FinishedEditing(this, new SrsEntryEditedEventArgs(result, true));
}
IsSending = false;
}
}
}
