public static JobMessage JobStringToJobMessage(string cloudQueueMessage)
{
// Description delimiter is |||
string descriptionDelimiter = "|||";
try
{
string[] projectDescriptionSplitParts;
projectDescriptionSplitParts = cloudQueueMessage.Split(new string[] { descriptionDelimiter }, StringSplitOptions.None);
//Console.WriteLine("+++ORIGINAL: " + projectDescription);
//Console.WriteLine("###PART1: " + projectDescriptionSplitParts[0]);
//Console.WriteLine("###PART2: " + projectDescriptionSplitParts[1]);
JobMessage jobMessage = new JobMessage()
{
StorageName = projectDescriptionSplitParts[0],
FilePathPresentation = projectDescriptionSplitParts[1],
FilePathResult = projectDescriptionSplitParts[2],
SearchString = projectDescriptionSplitParts[3]
};
return(jobMessage);
}
catch (System.Exception)
{
return(null);
}
}
public static void ProcessQueueMessage([QueueTrigger("analizequeue")] string message, ILogger logger)
{
try
{
logger.LogInformation(message);
JobMessage receivedJobMessage = JobMessage.JobStringToJobMessage(message);
string storageName = receivedJobMessage.StorageName;
string powerPointFileName = receivedJobMessage.FilePathPresentation;
string resultTextFileName = receivedJobMessage.FilePathResult;
string searchString = receivedJobMessage.SearchString;
// Ausgabe der Elemente des empfangenen JobMessage-Objekts
logger.LogInformation("Received / Readed Elements: \n" +
"Storage-Name: " + receivedJobMessage.StorageName + "\n" +
"PowerPoint-Filename: " + receivedJobMessage.FilePathPresentation + "\n" +
"ResultText-Filename: " + receivedJobMessage.FilePathResult + "\n" +
"Search-String: " + receivedJobMessage.SearchString + "\n");
// Get parameters from App.config
var config = new JobHostConfiguration();
if (config.IsDevelopment)
{
config.UseDevelopmentSettings();
}
// Get connectionString for storage and get access to storageAccount
string storageConnectionString = config.StorageConnectionString;
CloudStorageAccount storageAccount = CloudStorageAccount.Parse(storageConnectionString);
// Create the blob client.
CloudBlobClient blobClient = storageAccount.CreateCloudBlobClient();
// Retrieve reference to a previously created container.
CloudBlobContainer container = blobClient.GetContainerReference(storageName);
// Retrieve reference to the blobs for the PowerPoint- and result-text-file.
CloudBlockBlob powerPointBlockBlob = container.GetBlockBlobReference(powerPointFileName);
CloudBlockBlob resultTextBlockBlob = container.GetBlockBlobReference(resultTextFileName);
if (!powerPointBlockBlob.Exists())
{
logger.LogWarning("The Blob " + powerPointBlockBlob.Name + " don't exists. Aborded.");
}
// Download the Powerpoint
//MemoryStream cachedPowerPoint = new MemoryStream();
//powerPointBlockBlob.DownloadToStreamAsync(cachedPowerPoint);
using (var memoryStream = new MemoryStream())
{
powerPointBlockBlob.DownloadToStream(memoryStream);
// Count pages of the PowerPoint-file
int numberOfSlides = CountSlides(memoryStream);
logger.LogInformation("Found " + numberOfSlides + " slides in " + powerPointBlockBlob.Name);
string result = "Search-String: " + searchString + Environment.NewLine + "Number of Slides: " + numberOfSlides;
int foundCounter;
for (int i = 0; i < numberOfSlides; i++)
{
GetSlideIdAndText(out foundCounter, searchString, memoryStream, i);
if (foundCounter > 0)
{
System.Console.WriteLine("Slide #{0}: {1} times found", i + 1, foundCounter);
string appendText = Environment.NewLine + "Slide #" + (i + 1) + ": " + foundCounter + " times found";
result = result + appendText;
}
}
resultTextBlockBlob.UploadText(result);
logger.LogInformation("Finished with:" + Environment.NewLine + result);
//powerPointBlockBlob.DeleteIfExists();
}
}
catch (Exception ex)
{
logger.LogError("" + ex);
}
}
