/// <summary>
/// Text Analytics - V2 - PII Result
/// </summary>
/// <param name="ocrPhrasesSamples"></param>
/// <returns></returns>
public static PIIResult TextAnalyticsPIIResultV2(List <KeyValuePair <string, string> > ocrPhrasesSamples, ref CognitiveServicesApiCalls cognitiveServicesApiCalls)
{
var contentModeratorClient = new ContentModeratorClient(new ApiKeyServiceClientCredentialsContentModerator())
{
Endpoint = Config.COGNITIVE_SERVICES_REGION_URI
};
var textInputs = (ocrPhrasesSamples.Select((v, i) => v.ToString()).ToList());
var emails = new List <string>();
var phoneNumbers = new List <string>();
var addresses = new List <string>();
var ssnNumbers = new List <string>();
foreach (var textInput in textInputs)
{
// Content Moderator needs strings max at 1024 chararacters
var textsToModerate = Helpers.SplitAndPadFourtyChars(textInput, 980);
foreach (var truncatedTextForModerator in textsToModerate)
{
//truncatedTextForModerator = truncatedTextForModerator.Trim();
if (truncatedTextForModerator.Trim() != string.Empty)
{
var result = contentModeratorClient.TextModeration.ScreenText("text/plain",
new MemoryStream(Encoding.UTF8.GetBytes(truncatedTextForModerator)),
string.Empty, true, true, null, true);
cognitiveServicesApiCalls.ApiCallV2Count++;
// Check if PII is not NULL
if (!(result.PII is null))
{
var emailsToAdd = result.PII.Email.Select(a => a.Text).ToList();
emails.AddRange(emailsToAdd);
var phoneNumbersToAdd = result.PII.Phone.Select(a => a.Text).ToList();
phoneNumbers.AddRange(phoneNumbersToAdd);
var addressesToAdd = result.PII.Address.Select(a => a.Text).ToList();
addresses.AddRange(addressesToAdd);
var ssnNumbersToAdd = result.PII.SSN.Select(a => a.Text).ToList();
ssnNumbers.AddRange(ssnNumbersToAdd);
}
}
}
}
var piiResult = new PIIResult
{
Emails = emails,
Addresses = addresses,
PhoneNumbers = phoneNumbers,
SSNs = ssnNumbers
};
return(piiResult);
}
public static dynamic GetDocumentObject(string category, string documentName, string textOcrResult,
List <string> keyPhrasesV2, List <string> keyPhrasesV3,
List <string> entitiesV2, List <CognitiveServiceClasses.Entities.Entity> entitiesV3,
int pages, string uri, string documentType, long documentSizeInBytes,
PIIResult piiResult, List <BingEntityData> bingEntityDataResult,
SentimentV3Response sentimentV3Prediction,
CognitiveServicesApiCalls cognitiveServicesApiCalls)
{
var docID = category + documentName;
List <string> azureBlobOcrPagesList = Config.USE_AZURE_BLOB_STORAGE ?
Util.GenerateDocumentPagesList("png", pages, category, documentName) : new List <string>();
dynamic documentToProcess = new
{
id = docID,
PartitionKey = category,
RowKey = documentName,
DocumentType = documentType,
Pages = pages,
DocumentSizeInBytes = documentSizeInBytes,
TextSize = textOcrResult.Length,
CognitiveServicesApiCallsApiCallCount = cognitiveServicesApiCalls.ApiCallCount,
CognitiveServicesApiCallsApiCallV2Count = cognitiveServicesApiCalls.ApiCallV2Count,
CognitiveServicesApiCallsApiCallV3Count = cognitiveServicesApiCalls.ApiCallV3Count,
CognitiveServicesApiCallsTotalCount = cognitiveServicesApiCalls.TotalCount,
TextAnalyticsV2EntitiesCount = entitiesV2.Count(),
TextAnalyticsV2Entities = entitiesV2,
TextAnalyticsV2EntitiesDistinct = entitiesV2.Distinct().ToList(),
TextAnalyticsV2KeyPhrasesCount = keyPhrasesV2.Count(),
TextAnalyticsV2KeyPhrases = keyPhrasesV2,
TextAnalyticsV2KeyPhrasesDistinct = keyPhrasesV2.Select(a => a.ToUpper()).Distinct().ToList(),
TextAnalyticsV2EntitiesBingTaxonomies = bingEntityDataResult.Select(a => a.Taxony).ToList(),
TextAnalyticsV3EntitiesCount = entitiesV3.Count(),
TextAnalyticsV3Entities = entitiesV3,
TextAnalyticsV3KeyPhrasesCount = keyPhrasesV3.Count(),
TextAnalyticsV3KeyPhrases = keyPhrasesV3,
TextAnalyticsV3KeyPhrasesDistinct = keyPhrasesV3.Select(a => a.ToUpper()).Distinct().ToList(),
TextAnalyticsV3SentimentAnalysis = sentimentV3Prediction,
TextAnalyticsV3SentimentAnalysisPositive = sentimentV3Prediction,
TextOcrResult = textOcrResult,
AzureBlobJsonPagesList = Config.USE_AZURE_BLOB_STORAGE ?
Util.GenerateDocumentPagesList("json", pages, category, documentName) : new List <string>(),
AzureBlobOcrPagesList = azureBlobOcrPagesList,
PIIResult = piiResult,
BingEntitityDataFull = bingEntityDataResult
};
return(documentToProcess);
}
public static void WriteToLocalStorage(string category, string documentName, string textOcrResult,
List <string> keyPhrasesV2, List <string> keyPhrasesV3,
List <string> entitiesV2, List <CognitiveServiceClasses.Entities.Entity> entitiesV3,
int pages, string uri, string documentType, long documentSizeInBytes,
PIIResult piiResultV2, List <CognitiveServiceClasses.PII.Entity> piiResultV3,
List <BingEntityData> bingEntityDataResult,
SentimentV3Response sentimentV3Prediction,
CognitiveServicesApiCalls cognitiveServicesApiCalls)
{
var documentToProcess = Util.GetDocumentObject(category, documentName, textOcrResult,
keyPhrasesV2, keyPhrasesV3,
entitiesV2, entitiesV3,
pages, uri, documentType,
documentSizeInBytes, piiResultV2, bingEntityDataResult, sentimentV3Prediction,
cognitiveServicesApiCalls);
var jsonString = JsonConvert.SerializeObject(documentToProcess);
var fullEnrichedDocumentPath = category.ToLower() + @"\" + documentName.ToLower() + @"\fullEnrichedDocument.json";
// Write JSON to Local Disk
System.IO.File.WriteAllText(Config.LOCAL_LOCATION_FILES_PROCESSED_OUTPUTS + @"\" + fullEnrichedDocumentPath, jsonString);
}
public static void WriteToCosmosDbStorageSQLApi(DocumentClient documentDbClient, string category, string documentName,
string textOcrResult,
List <string> keyPhrasesV2, List <string> keyPhrasesV3,
List <string> entitiesV2, List <CognitiveServiceClasses.Entities.Entity> entitiesV3,
int pages, string uri, string documentType, long documentSizeInBytes,
PIIResult piiResultV2, List <CognitiveServiceClasses.PII.Entity> piiResultV3,
List <BingEntityData> bingEntityDataResult,
SentimentV3Response sentimentV3Prediction,
CognitiveServicesApiCalls cognitiveServicesApiCalls)
{
var documentToProcess = Util.GetDocumentObject(category, documentName, textOcrResult,
keyPhrasesV2, keyPhrasesV3,
entitiesV2, entitiesV3,
pages, uri, documentType,
documentSizeInBytes, piiResultV2, bingEntityDataResult, sentimentV3Prediction,
cognitiveServicesApiCalls);
var jsonString = JsonConvert.SerializeObject(documentToProcess);
var fullEnrichedDocumentPath = category.ToLower() + @"\" + documentName.ToLower() + @"\fullEnrichedDocument.json";
// Write JSON to Blob Storage
if (Config.USE_AZURE_BLOB_STORAGE)
{
var cloudStorageBloblClient = AzureStorage.BlobStorageAccount.CreateCloudBlobClient();
var enrichmentContainer = cloudStorageBloblClient.GetContainerReference(Config.STORAGE_TABLE_AND_CONTAINER_NAMES.ToLower());
var enrichedDocumentLocation = enrichmentContainer.GetBlockBlobReference(fullEnrichedDocumentPath);
byte[] byteArray = Encoding.UTF8.GetBytes(jsonString);
using (MemoryStream ms = new MemoryStream(byteArray))
{
enrichedDocumentLocation.UploadFromStream(ms);
}
}
CreateNewDoc(documentDbClient, Config.COSMOSDB_DOCUMENTS_SELFLINK, documentToProcess);
}
// Writes to Azure Table Storage
// Note: Azure Table Storage will not write records that are longer than 64Kb
public static void WriteToBlobStorageTable(WindowsAzureTable.CloudTable cloudTable, string category, string documentName, string ocrResult,
string keyPhraseResult, string distinctKeyPhraseString,
string entities, string distinctEntitiesString,
int pages, string uri, string documentType, long documentSizeInBytes,
PIIResult piiResultV2, List <CognitiveServiceClasses.PII.Entity> piiResultV3,
List <BingEntityData> bingEntityDataResult,
SentimentV3Response sentimentV3Prediction,
CognitiveServicesApiCalls cognitiveServicesApiCalls)
{
ocrResult = ocrResult.Trim();
keyPhraseResult = keyPhraseResult.Trim();
var entityTaxonomies =
(bingEntityDataResult is null) ? string.Empty :
string.Join(" ;;;; ", bingEntityDataResult.Select(a => a.Taxony).ToArray());
var size = ocrResult.Length * sizeof(char);
var keyPhraseResultSize = keyPhraseResult.Length * sizeof(char);
var distinctKeyPhraseResultSize = distinctKeyPhraseString.Length * sizeof(char);
var entitiesSize = entities.Length * sizeof(char);
var entityTaxonomiesSize = entityTaxonomies.Length * sizeof(char);
// Only for Table Storage API (CosmosDB can handle large values)
if (size > 63999)
{
var lengthToTake = Convert.ToInt32(Math.Round((double)(32000 * 1.0 / size) * ocrResult.Length, 0));
ocrResult = ocrResult.Substring(0, Math.Min(ocrResult.Length, lengthToTake));
}
if (keyPhraseResultSize > 31999)
{
var lengthToTake = Convert.ToInt32(Math.Round((double)(32000 * 1.0 / size) * keyPhraseResult.Length, 0));
keyPhraseResult = keyPhraseResult.Substring(0, Math.Min(keyPhraseResult.Length, lengthToTake));
}
if (distinctKeyPhraseResultSize > 31999)
{
var lengthToTake = Convert.ToInt32(Math.Round((double)(32000 * 1.0 / size) * distinctKeyPhraseString.Length, 0));
distinctKeyPhraseString = keyPhraseResult.Substring(0, Math.Min(distinctKeyPhraseString.Length, lengthToTake));
}
if (entitiesSize > 31999)
{
var lengthToTake = Convert.ToInt32(Math.Round((double)(32000 * 1.0 / size) * entities.Length, 0));
entities = keyPhraseResult.Substring(0, Math.Min(entities.Length, lengthToTake));
}
if (entityTaxonomiesSize > 31999)
{
var lengthToTake = Convert.ToInt32(Math.Round((double)(32000 * 1.0 / size) * entityTaxonomies.Length, 0));
entityTaxonomies = keyPhraseResult.Substring(0, Math.Min(entityTaxonomies.Length, lengthToTake));
}
// Create a new customer entity.
var document = new DocumentEntity(category, documentName);
document.CognitiveServicesApiCallsApiCallCount = cognitiveServicesApiCalls.ApiCallCount;
document.CognitiveServicesApiCallsApiCallV2Count = cognitiveServicesApiCalls.ApiCallV2Count;
document.CognitiveServicesApiCallsApiCallV3Count = cognitiveServicesApiCalls.ApiCallV3Count;
document.CognitiveServicesApiCallsTotalCount = cognitiveServicesApiCalls.TotalCount;
document.OcrResult = ocrResult.Trim();
document.TextAnalyticsKeyPhraseResult = keyPhraseResult;
document.TextAnalyticsDistinctKeyPhraseResult = distinctKeyPhraseString;
document.TextAnalyticsEntitiesResult = entities;
document.TextAnalyticsDistinctEntititesResult = new string(distinctEntitiesString.Take(31999).ToArray());
document.TextAnalyticsEntitiesTaxonomiesResult = entityTaxonomies;
document.TextSize = size;
document.Pages = pages;
document.Uri = uri;
document.DocumentType = documentType;
document.DocumentSizeInBytes = documentSizeInBytes;
if (piiResultV2.Addresses != null)
{
document.PIIEmailsCount = piiResultV2.Emails.Count;
document.PIIAddressesCount = piiResultV2.Addresses.Count;
document.PIIPhoneNumbersCount = piiResultV2.PhoneNumbers.Count;
document.PIISSNSCount = piiResultV2.SSNs.Count;
}
if (sentimentV3Prediction.Documents != null)
{
document.SentimentAnalysis =
"Positive: " + sentimentV3Prediction.Documents[0].DocumentScores.Positive +
", Neutral: " + sentimentV3Prediction.Documents[0].DocumentScores.Neutral +
", Negative: " + sentimentV3Prediction.Documents[0].DocumentScores.Negative;
}
// Create the TableOperation object that inserts the customer entity.
var insertOperation = WindowsAzureTable.TableOperation.InsertOrReplace(document);
// Execute the insert operation.
cloudTable.Execute(insertOperation);
}
static void Main(string[] args)
{
Console.ForegroundColor = ConsoleColor.Cyan;
Console.WriteLine("Checking Configuration Values...");
Console.ResetColor();
Console.WriteLine("--------------------------------");
// Check for valid directories
if (string.IsNullOrEmpty(Config.LOCAL_LOCATION_FILES_SOURCE_DOCUMENTS))
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("Local directory for source documents is blank.");
Console.ReadLine();
Environment.Exit(0);
}
if (!Directory.Exists(Config.LOCAL_LOCATION_FILES_SOURCE_DOCUMENTS))
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("AppConfig - Local directory for SOURCE documents: {0} does not exist.", Config.LOCAL_LOCATION_FILES_SOURCE_DOCUMENTS);
Console.ReadLine();
Environment.Exit(0);
}
if (!Directory.Exists(Config.LOCAL_LOCATION_FILES_PROCESSED_OUTPUTS))
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("AppConfig - Local directory for PROCESSED documents: {0} does not exist.", Config.LOCAL_LOCATION_FILES_PROCESSED_OUTPUTS);
Console.ReadLine();
Environment.Exit(0);
}
if (!Config.USE_COGNITIVE_SERVICES_V2 && !Config.USE_COGNITIVE_SERVICES_V3)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("AppConfig - You must have either Cognitive Services V2 or V3 enabled in the Config file.");
Console.ReadLine();
Environment.Exit(0);
}
if (string.IsNullOrEmpty(Config.COGNITIVE_SERVICES_KEY) || string.IsNullOrEmpty(Config.COGNITIVE_SERVICES_REGION_URI))
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("AppConfig - COGNITIVE_SERVICES_KEY or COGNITIVE_SERVICES_REGION is empty.");
Console.ReadLine();
Environment.Exit(0);
}
Console.WriteLine("Use Cognitive Services Bing Entity Search: " + Config.USE_COGNITIVE_SERVICES_BING_ENTITY_SEARCH);
Console.WriteLine("Use Azure Blob Storage: " + Config.USE_AZURE_BLOB_STORAGE);
Console.WriteLine("Use Azure Table Storage: " + Config.USE_AZURE_TABLE_STORAGE);
Console.WriteLine("Use CosmosDB Storage: " + Config.USE_COSMOSDB_STORAGE);
Console.WriteLine("--------------------------------");
Console.WriteLine(string.Empty);
Dictionary <string, Exception> errors = new Dictionary <string, Exception>();
Dictionary <string, int> longDocuments = new Dictionary <string, int>();
Dictionary <string, Tuple <string, string, string> > processedTrainingFiles = new Dictionary <string, Tuple <string, string, string> >(1700);
var scoringTableEntities = new List <Microsoft.Azure.CosmosDB.Table.DynamicTableEntity>();
var topThreeClassificationNamesDictionary = new Dictionary <string, List <string> >();
var topThreeClassificationProbabilitiesDictionary = new Dictionary <string, List <double> >();
Console.ForegroundColor = ConsoleColor.Cyan;
Console.WriteLine("Extracting content from documents...");
Console.ResetColor();
// List of types of extensions
var fileTypes = new List <Tuple <string, string> >();
var currentFilesDirectory = string.Empty;
var filePath = string.Empty;
currentFilesDirectory = Config.LOCAL_LOCATION_FILES_SOURCE_DOCUMENTS;
var docExt = new List <string> {
".DOC", ".DOCX", ".DOTX", ".DOT"
};
var files = Util.DirectoryTraverseForFiles(currentFilesDirectory).ToList();
try
{
Console.WriteLine("--------------------------------");
Console.WriteLine("Processing Files...");
// 2) Process Files
for (int fileNum = 0; fileNum != files.Count; fileNum++)
{
// Cognitive Services API Calls
var cognitiveServicesApiCalls = new CognitiveServicesApiCalls();
// Retrieve the file path
filePath = files[fileNum];
// Retrieve the directory, file name & extension
var categoryAndFileNames = filePath.Replace(currentFilesDirectory, string.Empty)
.Split(new string[] { "\\" }, StringSplitOptions.None);
var originalDocumentExtension = Path.GetExtension(filePath).ToUpper();
// Clean up file names
var category = categoryAndFileNames[0];
var cleanCategory = category.Replace(" ", "_").Replace(".", "_");
var fileName = Path.GetFileName(filePath);
var cleanFileName = fileName.Replace(" ", "_").Replace(".", "_");
var fileTotalOcr = string.Empty;
var keyPhraseString = string.Empty;
var entitiesString = string.Empty;
var pages = 0;
var uri = string.Empty;
var documentType = "Unknown"; //type of document (i.e. PDF, Word, Excel etc.)
var documentSizeInBytes = 0L;
Console.ForegroundColor = ConsoleColor.Yellow;
Console.WriteLine("Processing file {0} : ID={1} [{2} of {3}]", fileName, cleanFileName,
files.IndexOf(filePath) + 1,
files.Count);
Console.ResetColor();
// Group file types based on the required processing
fileTypes.Add(new Tuple <string, string>(fileName, originalDocumentExtension));
var wordDocuments = new List <string> {
".DOC", ".DOCX", ".DOTX", ".DOT"
};
var excelDocuments = new List <string> {
".XLS", ".XLSX", ".XLT", ".XLTX"
};
var htmlDocuments = new List <string> {
".HTM", ".HTML", ".SHTML"
};
// Hold the values for the image pages
List <MemoryStream> imageStreams = new List <MemoryStream>();
// Hold the values for the OCR from pages
List <string> imagePagesOcr = new List <string>();
// Process/read document
MemoryStream documentStream = new MemoryStream();
using (var file = File.OpenRead(filePath))
{
documentSizeInBytes = new System.IO.FileInfo(filePath).Length;
var pdfDocumentPartFileNames = new List <string>();
// PDF Files
if (originalDocumentExtension == ".PDF")
{
documentType = "PDF";
// Setup PDFReader for unethical reading
PdfReader.unethicalreading = true;
// Setup PDF part cache location
var directoryCategoryPdfCache = Config.LOCAL_LOCATION_FILES_PROCESSED_OUTPUTS + @"\PDFCache\" + cleanCategory + @"\";
var directoryFilePdfCache = directoryCategoryPdfCache + cleanFileName;
System.IO.Directory.CreateDirectory(directoryCategoryPdfCache.ToLower());
System.IO.Directory.CreateDirectory(directoryFilePdfCache.ToLower());
Console.WriteLine("\tCracking Document into Pages...");
using (PdfReader pdfReader = new PdfReader(filePath))
{
for (int pagenumber = 1; pagenumber <= pdfReader.NumberOfPages; pagenumber++)
{
iTextSharp.text.Document iTextDocument = new iTextSharp.text.Document();
var fullFilePdfPartName = directoryFilePdfCache + @"\" + cleanFileName + (pagenumber) + ".pdf";
pdfDocumentPartFileNames.Add(fullFilePdfPartName);
PdfCopy copy = new PdfCopy(iTextDocument, new FileStream(fullFilePdfPartName, FileMode.Create));
iTextDocument.Open();
copy.AddPage(copy.GetImportedPage(pdfReader, pagenumber));
iTextDocument.Close();
}
}
Aspose.Pdf.Document document = new Aspose.Pdf.Document(file);
document.Save(documentStream);
pages = document.Pages.Count;
Console.WriteLine(string.Format("\tPages: {0}", pages));
//imageStreams.Add(document.ConvertPageToPNGMemoryStream(document.Pages[1]));
}
// Excel Files
else if (excelDocuments.Contains(originalDocumentExtension))
{
documentType = "Excel";
Aspose.Cells.Workbook workBook = new Aspose.Cells.Workbook(file);
pages = workBook.Worksheets.Count;
workBook.Save(documentStream, Aspose.Cells.SaveFormat.Pdf);
}
// HTML & Word Documents
else if (htmlDocuments.Contains(originalDocumentExtension) ||
wordDocuments.Contains(originalDocumentExtension))
{
documentType = "Html";
Aspose.Words.Document document = new Aspose.Words.Document(file);
pages = document.PageCount;
document.Save(documentStream, Aspose.Words.SaveFormat.Pdf);
}
// Convert any documents into images
if (originalDocumentExtension == ".PDF")
{
foreach (var pdfDcoumentFileName in pdfDocumentPartFileNames)
{
var pdfDocument = new Aspose.Pdf.Document(pdfDcoumentFileName);
var pdfDocumentPage = pdfDocument.Pages[1];
try
{
imageStreams.Add(pdfDocument.ConvertPageToPNGMemoryStream(pdfDocumentPage));
}
catch (Exception e)
{
Console.WriteLine("!!! ERROR !!!: Converting PDF To Image - " + pdfDcoumentFileName + " ||| " + e.ToString());
}
}
}
// Word Documents
else if (wordDocuments.Contains(originalDocumentExtension.ToUpper()))
{
documentType = "Word";
Microsoft.Office.Interop.Word.Application wordApp = new Microsoft.Office.Interop.Word.Application();
var wordDocument = new Microsoft.Office.Interop.Word.Document();
object missing = System.Type.Missing;
wordDocument = wordApp.Documents.Open(filePath);
foreach (Microsoft.Office.Interop.Word.Window window in wordDocument.Windows)
{
foreach (Microsoft.Office.Interop.Word.Pane pane in window.Panes)
{
// set the pages
pages = pane.Pages.Count;
for (var i = 1; i <= pane.Pages.Count; i++)
{
var bits = pane.Pages[i].EnhMetaFileBits;
try
{
using (var ms = new MemoryStream((byte[])(bits)))
{
var imageStream = new MemoryStream();
var image = System.Drawing.Image.FromStream(ms);
image.Save(imageStream, ImageFormat.Png);
//ms.Position = 0;
imageStreams.Add(imageStream);
}
}
catch (System.Exception ex)
{
var error = ex.Message;
throw (ex);
}
}
}
}
wordDocument.Close(Type.Missing, Type.Missing, Type.Missing);
wordApp.Quit(Type.Missing, Type.Missing, Type.Missing);
}
else if (documentStream != null && imageStreams.Count == 0)
{
var pdfDocument = new Aspose.Pdf.Document(documentStream);
// Done here as Aspose workaround for free version
for (int pageNum = 0; pageNum != pdfDocument.Pages.Count; pageNum++)
{
if (pageNum == 4)
{
// Track documents over 4 pages
longDocuments.Add(fileName, pdfDocument.Pages.Count);
break;
}
// PageCollection starts at 1, not 0 index
imageStreams.Add(pdfDocument.ConvertPageToPNGMemoryStream(pdfDocument.Pages[pageNum + 1]));
}
}
} // EOF reading file
Console.WriteLine("\tConverting Pages to Images...");
for (int i = 0; i != imageStreams.Count; i++)
{
//Console.WriteLine(string.Format("\tProcessing Image {0} of {1}", (i + 1), imageStreams.Count));
var imageStream = imageStreams[i];
// Cognitive Services Requirement: Convert to MB, Computer Vision images max out at 4 MB
// Fine for individual page documents
var megaBytes = Util.ConvertBytesToMegabytes(imageStream.Length);
do
{
var reducedImage = Util.ReduceImageQuality(imageStream);
imageStream = reducedImage;
}while(
Util.ConvertBytesToMegabytes(imageStream.Length) > 3.99
);
// Setup Image store location
var directoryCategory = Config.LOCAL_LOCATION_FILES_PROCESSED_OUTPUTS + @"\" + cleanCategory + @"\";
var directoryFile = directoryCategory + cleanFileName;
var fullFileImageName = directoryFile + @"\" + cleanFileName + (i + 1) + ".png";
System.IO.Directory.CreateDirectory(directoryCategory.ToLower());
System.IO.Directory.CreateDirectory(directoryFile.ToLower());
// Save the image to local image folder (cache)
using (Bitmap image = (Bitmap)System.Drawing.Image.FromStream(imageStream))
{
var resizedImage = Util.ResizeImageForCognitiveOCR(image);
resizedImage.Save(fullFileImageName, ImageFormat.Png);
}
var basePath = cleanCategory + @"\" + cleanFileName + @"\" + cleanFileName + (i + 1);
// Set up cloud path for JSON content
var cloudImagePath = (basePath + ".png").ToLower();
var cloudOcrPath = (basePath + ".json").ToLower();
// Use API that passes image binary directly
var ocrResult = CognitiveServices.VisionOCRResultBatchReadFromImageAsync(fullFileImageName, "v2.1").Result;
//var ocrResult = CognitiveServices.OCRResultBatchRead(imageUrl, "v2.1").Result;
cognitiveServicesApiCalls.ApiCallCount++;
if (Config.USE_AZURE_BLOB_STORAGE)
{
// Azure Storage Objects Init
var cloudStorageBloblClient = AzureStorage.BlobStorageAccount.CreateCloudBlobClient();
var enrichmentContainer = cloudStorageBloblClient.GetContainerReference(Config.STORAGE_TABLE_AND_CONTAINER_NAMES.ToLower());
uri = enrichmentContainer.StorageUri.PrimaryUri + @"/" + cleanCategory + @"/" + cleanFileName + @"/";
var trainingImage = enrichmentContainer.GetBlockBlobReference(cloudImagePath);
var trainingImageOcr = enrichmentContainer.GetBlockBlobReference(cloudOcrPath);
// Send PNG image to Blob Storage
using (var fs = new FileStream(fullFileImageName, FileMode.Open))
{
trainingImage.UploadFromStream(fs);
}
// Retrieve OCR keyPhraseResult and upload JSON to cloud
// Uses API based on cloud storage
var imageUrl = trainingImage.Uri.AbsoluteUri + Config.STORAGE_ACCOUNT_TEMP_SAS_KEY;
// Upload the JSON response to the blob containers
trainingImageOcr.UploadText(ocrResult.Item1);
}
// Write JSON to local disk
var jsonFileName = basePath + ".json";
System.IO.File.WriteAllText(Config.LOCAL_LOCATION_FILES_PROCESSED_OUTPUTS + @"\" + jsonFileName, ocrResult.Item1);
var ocrString = ocrResult.Item2.ToString();
imagePagesOcr.Add(ocrString);
// Console.WriteLine("Number of OCR Regions Found - " + ocrResult.Item2.regions.Count);
}
var ocrPhrases = new List <KeyValuePair <string, string> >();
foreach (var ocrItem in imagePagesOcr)
{
// remove the trial items from Aspose
var tempOcrItem = ocrItem.
Replace("Evaluation Only. Created with Aspose.PDF. Copyright 2002-2019 Aspose Pty Ltd.", string.Empty).
Replace("Evaluation Only. Created with Aspose.PDF. Copyright 2002-2018 Aspose Pty Ltd.", string.Empty).
Replace("Evaluation Only. Created with Aspose.PDF", string.Empty).
Replace("Evaluation Only. Created with Aspose.Words", string.Empty).
Replace("Evaluation Only. Created with Aspose.Cells", string.Empty).
Replace("Created with Aspose.Cells for .NET.Copyright 2003 - 2018", string.Empty).
Replace("Copyright 2002-2019 Aspose Pty Ltd.", string.Empty).
Replace("Copyright 2002-2018 Aspose Pty Ltd.", string.Empty).
Replace("Aspose Pty Ltd.", string.Empty).
Replace("Created with Aspose.", string.Empty).
Replace("Copyright 2002-2018.", string.Empty).
Replace("Copyright 2003-2018.", string.Empty).
Replace("Copyright 2002-2018", string.Empty).
Replace("Copyright 2003-2018", string.Empty).
Replace("spose Pty Ltd.", string.Empty).
Replace("Pty Ltd.", string.Empty).
Replace("Evaluation With A", string.Empty).
Replace("Evaluation With %002-2018 A", string.Empty).
Replace("Evaluation Only.", string.Empty).
Replace(". Aspose Pty ", string.Empty).
Replace("Evaluatqoh With %002-2018 A", string.Empty).
Replace("Created with Aspose.Cells for .NET.Copyright 2003 - 2018 A", string.Empty).
Replace("Evaluation Only• created 18 Aspose Pty", string.Empty).
Replace("Evaluation Only. Created with Aspose.PDF", string.Empty).
Replace("with Aspose. PDF", string.Empty).
Replace("Aspose.PDF", string.Empty);
// add to main OCR file
fileTotalOcr += tempOcrItem + System.Environment.NewLine;
// Add to phrases to process (english)
if (tempOcrItem.Length > 5000)
{
var tempOcrItemOne = tempOcrItem.Substring(0, 5000);
var tempOcrItemTwo = tempOcrItem.Substring(5000, (tempOcrItem.Length - 5000));
// Add both
ocrPhrases.Add(new KeyValuePair <string, string>("en", tempOcrItemOne));
ocrPhrases.Add(new KeyValuePair <string, string>("en", tempOcrItemTwo));
}
else
{
ocrPhrases.Add(new KeyValuePair <string, string>("en", tempOcrItem));
}
}
List <string> keyPhrasesV2 = new List <string>();
List <string> entitiesV2 = new List <string>();
var piiResultV2 = new PIIResult();
string distinctKeyPhraseString = string.Empty;
string distinctEntitiesString = string.Empty;
if (Config.USE_COGNITIVE_SERVICES_V2)
{
// Key Phrases - V2
Console.WriteLine("\tKey Phrases V2...");
var keyPhraseResult = CognitiveServices.TextAnalyticsKeyPhrasesAndEntities(ocrPhrases, ref cognitiveServicesApiCalls);
keyPhrasesV2 = keyPhraseResult.Item1.Documents.SelectMany(i => i.KeyPhrases).Where(a => Helpers.IsEntity(a)).ToList();
distinctKeyPhraseString = string.Join(" ;;;; ", keyPhrasesV2.Distinct().ToArray());
keyPhraseString = string.Join(" ;;;; ", keyPhrasesV2.ToArray());
// Entities - V2
Console.WriteLine("\tEntities V2...");
var entitiesRecords = keyPhraseResult.Item2.Documents.SelectMany(i => i.Entities).Where(a => Helpers.IsEntity(a.Name)).ToList();
entitiesV2 = entitiesRecords.Select(i => i.Name.Replace(System.Environment.NewLine, string.Empty).Trim()).ToList();
distinctEntitiesString = string.Join(" ;;;; ", entitiesV2.Distinct().ToArray());
entitiesString = string.Join(" ;;;; ", entitiesV2.ToArray());
// PII Result - V2
Console.WriteLine("\tPII Information V2...");
piiResultV2 = CognitiveServices.TextAnalyticsPIIResultV2(ocrPhrases, ref cognitiveServicesApiCalls);
}
List <string> keyPhrasesV3 = new List <string>();
List <CognitiveServiceClasses.Entities.Entity> entitiesV3 = new List <CognitiveServiceClasses.Entities.Entity>();
List <CognitiveServiceClasses.PII.Entity> piiResultV3 = new List <CognitiveServiceClasses.PII.Entity>();
SentimentV3Response sentimentV3Prediction = new SentimentV3Response();
if (Config.USE_COGNITIVE_SERVICES_V3)
{
// Key Phrases - V3
Console.WriteLine("\tKey Phrases V3...");
var textAnalyticsV3KeyPhrasesPrediction = CognitiveServices.TextAnalyticsKeyPhrasesV3PreviewAsync(ocrPhrases).Result;
keyPhrasesV3 = textAnalyticsV3KeyPhrasesPrediction.documents.SelectMany(a => a.keyPhrases).ToList();
cognitiveServicesApiCalls.ApiCallV3Count++;
// Entities - V3
Console.WriteLine("\tEntities V3...");
var textAnalyticsV3EntitiesPrediction = CognitiveServices.TextAnalyticsEntitiesV3PreviewAsync(ocrPhrases).Result;
entitiesV3 = textAnalyticsV3EntitiesPrediction.documents.SelectMany(a => a.entities).ToList();
cognitiveServicesApiCalls.ApiCallV3Count++;
// PIIs - V3
Console.WriteLine("\tPIIs V3...");
var textAnalyticsV3PIIPrediction = CognitiveServices.TextAnalyticsPIIV3PreviewAsync(ocrPhrases).Result;
piiResultV3 = textAnalyticsV3PIIPrediction.documents.SelectMany(a => a.entities).ToList();
cognitiveServicesApiCalls.ApiCallV3Count++;
// Sentiment Analysis - V3
Console.WriteLine("\tSentiment Analysis V3...");
var textAnalyticsInput = new TextAnalyticsInput()
{
Id = "1",
Text = fileTotalOcr.Length > 5100 ? fileTotalOcr.Substring(0, 5100) : fileTotalOcr
};
var textAnalyticsInputs = new List <TextAnalyticsInput> {
textAnalyticsInput
};
sentimentV3Prediction = CognitiveServices.TextAnalyticsSentimentAnalysisV3PreviewAsync(textAnalyticsInputs).Result;
cognitiveServicesApiCalls.ApiCallV3Count++;
}
List <BingEntityData> entityTaxonyResult = new List <BingEntityData>();
if (Config.USE_COGNITIVE_SERVICES_BING_ENTITY_SEARCH)
{
Console.WriteLine("\tRetrieving Bing Entitites...");
entityTaxonyResult = CognitiveServices.BingEntities(entitiesV2);
Console.WriteLine("\tFinished Retrieving Bing Entitites.");
}
// Add up OCR pages & Process Key Entities
processedTrainingFiles.Add(cleanFileName, new Tuple <string, string, string>(cleanCategory, fileTotalOcr, keyPhraseString));
// Azure Table Storage
// Note: most attributes are truncated due to limitations for Azure Table Storage
// For large documents use: CosmosDb or blob storage
if (Config.USE_AZURE_TABLE_STORAGE)
{
var tableStorageClient = AzureStorage.BlobStorageAccount.CreateCloudTableClient();
Microsoft.WindowsAzure.Storage.Table.CloudTable table = tableStorageClient.GetTableReference(Config.STORAGE_TABLE_AND_CONTAINER_NAMES);
table.CreateIfNotExists();
Util.WriteToBlobStorageTable(table, cleanCategory, cleanFileName, fileTotalOcr,
keyPhraseString, distinctKeyPhraseString,
entitiesString, distinctEntitiesString,
pages, uri, documentType, documentSizeInBytes,
piiResultV2, piiResultV3,
entityTaxonyResult, sentimentV3Prediction,
cognitiveServicesApiCalls);
Console.WriteLine("\tPersisted: Azure Table Storage");
}
if (Config.USE_COSMOSDB_STORAGE)
{
// Cosmos DB - Documents Client
DocumentClient documentClient = new DocumentClient(Config.COSMOSDB_DOCUMENTS_URI, Config.COSMOSDB_DOCUMENTS_KEY);
//// CosmosDB SQL API
Util.WriteToCosmosDbStorageSQLApi(documentClient, cleanCategory, cleanFileName, fileTotalOcr,
keyPhrasesV2, keyPhrasesV3,
entitiesV2, entitiesV3,
pages, uri, documentType, documentSizeInBytes,
piiResultV2, piiResultV3,
entityTaxonyResult, sentimentV3Prediction,
cognitiveServicesApiCalls);
Console.WriteLine("\tPersisted: CosmosDB - SQL API");
}
//// CosmosDB SQL API
Util.WriteToLocalStorage(cleanCategory, cleanFileName, fileTotalOcr,
keyPhrasesV2, keyPhrasesV3,
entitiesV2, entitiesV3,
pages, uri, documentType, documentSizeInBytes,
piiResultV2, piiResultV3,
entityTaxonyResult, sentimentV3Prediction,
cognitiveServicesApiCalls);
Console.WriteLine("\tPersisted: Local Storage");
}
; // EOF for loop
}
catch (Exception e)
{
errors.Add(filePath, e);
Console.WriteLine("!!! ERROR !!!: " + e.ToString());
}
// Write File
// Util.WriteCsvFile(processedTrainingFiles);
// Distribution of various file types (by extension)
var fileTypeCounts = fileTypes.GroupBy(a => a.Item2).
Select(group => new
{
Extension = group.Key.ToUpper(),
Count = group.Count()
}).OrderByDescending(o => o.Count);
// Print out errors file
File.Delete(Config.LOCAL_LOCATION_FILES_SOURCE_DOCUMENTS + "Errors.txt");
using (TextWriter tw = new StreamWriter(Config.LOCAL_LOCATION_FILES_SOURCE_DOCUMENTS + "Errors.txt"))
{
foreach (var error in errors)
{
tw.WriteLine(error.Key);
}
}
Console.WriteLine("Number of errors: " + errors.Count);
Console.ReadLine();
}