public void CompleteDocument(DocumentTarget documentTarget)
{
try
{
File.Delete(documentTarget.InputFile);
}
catch (Exception e)
{
Log.Warning("Unable to complete document {0}:{1} - {2}", documentTarget.Id, documentTarget.InputFile, e.Message);
}
}
public DocumentTarget NextDocument()
{
DocumentTarget documentTarget = null;
try
{
string[] files = Directory.GetFiles(_watchPath, "*.docx");
if (files.Count() > 0)
{
documentTarget = new DocumentTarget()
{
Id = _documentIndex++,
InputFile = files[0],
OutputFile = "",
ResultCode = 0
};
}
}
catch (Exception e)
{
Log.Warning("Unable to read source directory {0} - {1}", _watchPath, e.Message);
}
return(documentTarget);
}
public void CompleteDocument(DocumentTarget documentTarget)
{
_connection.Execute($"UPDATE {_tableName} SET ResultCode=@ResultCode, InputFile=@InputFile, OutputFile=@OutputFile WHERE ID=@Id", documentTarget);
}
public void ProcessDocuments()
{
ConvertService convertService = null;
if (_processLock)
{
Log.Debug("Re-entry into service process, still busy.");
return;
}
_processLock = true;
if (!String.IsNullOrEmpty(_heartbeatEndpoint))
{
// synchronous use of async. reading repsonse string as async synchronizes the call
using (var client = new HttpClient())
{
var response = client.GetAsync(_heartbeatEndpoint).Result;
if (response.IsSuccessStatusCode)
{
var responseContent = response.Content;
responseContent.ReadAsStringAsync();
Log.Debug("UptimeRobot heartbeat link touched");
}
}
}
try
{
Log.Debug("Processing pending documents.");
foreach (IDocumentQueue documentQueue in _documentQueues)
{
while (documentQueue.Count() > 0)
{
if (convertService == null)
{
convertService = new ConvertService();
convertService.Initialize();
}
DocumentTarget documentTarget = documentQueue.NextDocument();
Log.Information($"Generating PDF for {documentQueue.SourceName()}: {documentTarget.Id}: {documentTarget.InputFile}");
try
{
string outFile = documentTarget.OutputFile;
documentTarget.ResultCode = convertService.Convert(documentTarget.InputFile, ref outFile);
documentTarget.OutputFile = outFile;
}
catch (Exception e)
{
Log.Warning("Conversion exception {0}", e.Message);
documentTarget.ResultCode = (int)ExitCode.InternalError;
}
Log.Information($"Generated PDF for {documentTarget.Id} as {documentTarget.OutputFile} with Result {documentTarget.ResultCode}");
documentQueue.CompleteDocument(documentTarget);
}
}
}
catch (Exception e)
{
Log.Error("Unhandled exception in ProcessDocuments {0}", e);
}
_processLock = false;
}