/// <summary>
/// Processes a single queue item
/// </summary>
/// <param name="queueItem"></param>
/// <param name="persistDocument"></param>
/// <returns></returns>
async Task ProcessSingleItem(InternalCosmosDBQueueItem queueItem, bool persistDocument)
{
// Persist document only if Auto complete is enabled
persistDocument = persistDocument & this.settings.AutoComplete;
try
{
var externalQueueItem = new CosmosDBQueueItem(this, queueItem);
var handlerStatus = await OnMessage(externalQueueItem);
if (handlerStatus)
{
if (this.settings.AutoComplete)
{
queueItem.SetAsComplete();
}
this.logger?.LogTrace($"Processing item {queueItem.id} succeeded");
}
else
{
if (this.settings.AutoComplete)
{
queueItem.SetAsPending();
queueItem.errors++;
}
this.logger?.LogTrace($"Processing item {queueItem.id} failed");
}
}
catch (Exception ex)
{
this.logger?.LogError(ex, $"Error processing queue item {queueItem.id}");
queueItem.errors++;
queueItem.SetAsPending();
// If the message handler failed we saved as failed
persistDocument = true;
}
if (persistDocument)
{
await SaveQueueItem(queueItem);
}
}
/// <summary>
/// Completes the message queue
/// </summary>
/// <param name="queueItem"></param>
/// <returns></returns>
public async Task Complete(InternalCosmosDBQueueItem queueItem)
{
queueItem.SetAsComplete();
await SaveQueueItem(queueItem);
}