ModuleAsyncHandlers.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using Sungero.Core;
using Sungero.CoreEntities;
using Sungero.ExchangeCore.MessageQueueItem;
namespace Sungero.Exchange.Server
{
public class ModuleAsyncHandlers
{
public virtual void ConvertExchangeDocumentToPdf(Sungero.Exchange.Server.AsyncHandlerInvokeArgs.ConvertExchangeDocumentToPdfInvokeArgs args)
{
Exchange.Functions.Module.LogDebugFormat(string.Format("Execute async handler ConvertExchangeDocumentToPdf. AsyncHandlerId: {0}, RetryIteration: {1}, QueueItemId: {2}.",
args.AsyncHandlerId, args.RetryIteration, args.QueueItemId));
var startTime = Calendar.Now;
var queueItem = ExchangeCore.BodyConverterQueueItems.GetAll().Where(x => x.Id == args.QueueItemId && string.Equals(x.AsyncHandlerId, args.AsyncHandlerId)).SingleOrDefault();
if (queueItem == null)
{
Exchange.PublicFunctions.Module.LogDebugFormat(string.Format("ConvertExchangeDocumentToPdf. Queue item with id: {0} and async handler id: {1} not found.", args.QueueItemId, args.AsyncHandlerId));
return;
}
if (queueItem.Document == null)
{
Exchange.PublicFunctions.Module.LogDebugFormat(queueItem, "ConvertExchangeDocumentToPdf. Queue item property Document is null.");
ExchangeCore.BodyConverterQueueItems.Delete(queueItem);
return;
}
if (queueItem.VersionId == null)
{
Exchange.PublicFunctions.Module.LogDebugFormat(queueItem, "ConvertExchangeDocumentToPdf. Queue item property VersionId is null.");
ExchangeCore.BodyConverterQueueItems.Delete(queueItem);
return;
}
if (!queueItem.Document.Versions.Any(v => Equals(v.Id, queueItem.VersionId)))
{
Exchange.PublicFunctions.Module.LogDebugFormat(queueItem, string.Format("ConvertExchangeDocumentToPdf. Document version id: {0} not found.", queueItem.VersionId));
ExchangeCore.BodyConverterQueueItems.Delete(queueItem);
return;
}
if (Locks.GetLockInfo(queueItem).IsLocked)
{
Exchange.PublicFunctions.Module.LogDebugFormat(queueItem, "ConvertExchangeDocumentToPdf. Queue item is locked.");
args.Retry = true;
return;
}
if (Locks.GetLockInfo(queueItem.Document).IsLocked)
{
Exchange.PublicFunctions.Module.LogDebugFormat(queueItem, "ConvertExchangeDocumentToPdf. Document is locked.");
args.Retry = true;
return;
}
var generated = false;
var transactionSuccess = Transactions.Execute(
() =>
{
// Dmitriev_IA:
// Переполучение queueItem, т.к. при выполнении Transactions.Execute сбрасывается сессия NHibernate и полученные ранее сущности "забываются".
// см. User Story 199135.
queueItem = ExchangeCore.BodyConverterQueueItems.GetAll().Where(x => x.Id == args.QueueItemId).Single();
generated = Docflow.PublicFunctions.Module.GeneratePublicBodyForExchangeDocument(queueItem.Document, queueItem.VersionId.Value, queueItem.ExchangeState, startTime);
});
if (generated && transactionSuccess)
{
ExchangeCore.BodyConverterQueueItems.Delete(queueItem);
Exchange.PublicFunctions.Module.LogDebugFormat(queueItem, "ConvertExchangeDocumentToPdf. Document success converted.");
}
else
{
Transactions.Execute(
() =>
{
// Dmitriev_IA:
// Переполучение queueItem, т.к. при выполнении Transactions.Execute сбрасывается сессия NHibernate и полученные ранее сущности "забываются".
// см. User Story 199135.
queueItem = ExchangeCore.BodyConverterQueueItems.GetAll().Where(x => x.Id == args.QueueItemId).Single();
ExchangeCore.PublicFunctions.QueueItemBase.QueueItemOnError(queueItem, Resources.GeneratePublicBodyFailed);
});
var maxRetriesCount = Sungero.Docflow.PublicFunctions.Module.Remote.GetDocflowParamsIntegerValue(Sungero.Docflow.PublicConstants.Module.ConvertExchangeDocumentToPdfRetriesMaxCountParamName);
if (maxRetriesCount <= 0)
maxRetriesCount = Sungero.Docflow.PublicConstants.Module.ConvertExchangeDocumentToPdfRetriesMaxCount;
if (queueItem.Retries >= maxRetriesCount)
{
ExchangeCore.BodyConverterQueueItems.Delete(queueItem);
args.Retry = false;
Exchange.PublicFunctions.Module.LogDebugFormat(queueItem, string.Format("Exceeded maximum count attempts to convert exchange document. Retries {0}.", queueItem.Retries));
}
else
{
args.Retry = true;
Exchange.PublicFunctions.Module.LogDebugFormat(queueItem, "ConvertExchangeDocumentToPdf. An error occurred while generating the document body. Async handler will be retried.");
}
}
Exchange.Functions.Module.LogDebugFormat(string.Format("Done async handler ConvertExchangeDocumentToPdf. AsyncHandlerId: {0}.", args.AsyncHandlerId));
}
public virtual void ProcessMessages(Sungero.Exchange.Server.AsyncHandlerInvokeArgs.ProcessMessagesInvokeArgs args)
{
Exchange.Functions.Module.LogDebugFormat(string.Format("Execute async handler ProcessMessages. AsyncHandlerId: {0}, RetryIteration: {1}, QueueItemIds: {2}",
args.AsyncHandlerId, args.RetryIteration, args.QueueItemIds));
var queueItems = Sungero.ExchangeCore.PublicFunctions.Module.GetMessageQueueItems(args.QueueItemIds)
.Where(q => q.ProcessingStatus != ExchangeCore.MessageQueueItem.ProcessingStatus.Suspended &&
string.Equals(q.AsyncHandlerId, args.AsyncHandlerId))
.OrderByDescending(q => q.IsRootMessage == true)
.ThenBy(q => q.Created)
.ThenBy(q => q.Id)
.ToList();
if (!queueItems.Any())
{
Exchange.Functions.Module.LogDebugFormat(string.Format("Message queue item list is empty. AsyncHandlerId: {0}.", args.AsyncHandlerId));
args.Retry = false;
return;
}
var firstQueueItem = queueItems.First();
var client = ExchangeCore.PublicFunctions.BusinessUnitBox.GetPublicClient(queueItems.First().RootBox) as NpoComputer.DCX.ClientApi.Client;
var rootMessage = Sungero.ExchangeCore.PublicFunctions.MessageQueueItem.GetRootMessageQueueItem(firstQueueItem);
bool isHistoricalQueueItem = Sungero.ExchangeCore.MessageQueueItems.Is(firstQueueItem) && Sungero.ExchangeCore.MessageQueueItems.As(firstQueueItem).DownloadSession != null;
var maxRetriesCount = isHistoricalQueueItem ? Sungero.Docflow.PublicFunctions.Module.Remote.GetDocflowParamsIntegerValue(Sungero.Docflow.PublicConstants.Module.ProcessHistoricalMessageRetriesMaxCountParamName) :
Sungero.Docflow.PublicFunctions.Module.Remote.GetDocflowParamsIntegerValue(Sungero.Docflow.PublicConstants.Module.ProcessMessagesRetriesMaxCountParamName);
if (maxRetriesCount <= 0)
maxRetriesCount = isHistoricalQueueItem ? Sungero.Docflow.PublicConstants.Module.ProcessHistoricalMessageRetriesMaxCount :
Sungero.Docflow.PublicConstants.Module.ProcessMessagesRetriesMaxCount;
foreach (var queueItem in queueItems)
{
if (Sungero.ExchangeCore.PublicFunctions.MessageQueueItem.NeedAbortHistoricalQueueItem(queueItem))
{
Sungero.ExchangeCore.PublicFunctions.MessageQueueItem.AbortHistoricalQueueItem(queueItem);
continue;
}
if (!Exchange.Functions.Module.IsRootMessageQueueItemProcessed(queueItem))
{
if (rootMessage != null && Sungero.ExchangeCore.PublicFunctions.MessageQueueItem.NeedIncrementRetries(rootMessage))
Sungero.ExchangeCore.PublicFunctions.MessageQueueItem.IncrementRetries(queueItem, maxRetriesCount);
Exchange.Functions.Module.LogDebugFormat(queueItem, string.Format("Root message not processed. Retries: {0}", queueItem.Retries));
}
else if (!Exchange.Functions.Module.ProcessMessageLiteQueueItem(queueItem, args.AsyncHandlerId, client))
{
var freshQueueItem = ExchangeCore.MessageQueueItems.GetAll(q => queueItem.Id == q.Id).SingleOrDefault();
if (freshQueueItem != null)
{
if (Sungero.ExchangeCore.PublicFunctions.MessageQueueItem.NeedIncrementRetries(freshQueueItem))
Sungero.ExchangeCore.PublicFunctions.MessageQueueItem.IncrementRetries(freshQueueItem, maxRetriesCount);
Exchange.Functions.Module.LogDebugFormat(freshQueueItem, string.Format("Process message has errors. Retries: '{0}'.", freshQueueItem.Retries));
}
}
}
var notProcessedMessageIds = Sungero.ExchangeCore.PublicFunctions.Module.GetMessageQueueItems(args.QueueItemIds)
.Where(q => q.ProcessingStatus != ExchangeCore.MessageQueueItem.ProcessingStatus.Processed &&
q.ProcessingStatus != ExchangeCore.MessageQueueItem.ProcessingStatus.Suspended &&
string.Equals(q.AsyncHandlerId, args.AsyncHandlerId))
.Select(q => q.Id);
if (notProcessedMessageIds.Any())
{
Exchange.Functions.Module.LogDebugFormat(string.Format("Has not processed message. Async handler sent to retry. AsyncHandlerId: {0}. NotProcessedMessageIds: {1}.",
args.AsyncHandlerId, string.Join(",", notProcessedMessageIds.ToList())));
args.Retry = true;
return;
}
Exchange.Functions.Module.LogDebugFormat(string.Format("Done async handler ProcessMessages. AsyncHandlerId: {0}.", args.AsyncHandlerId));
}
}
}