public void Validate()
{
foreach (var eachEntry in this.Bills)
{
if (eachEntry.ValidationErrors == null)
{
eachEntry.ValidationErrors = new List <string>();
}
try
{
if (System.IO.File.Exists(eachEntry.BillPath))
{
//eachEntry.IsValid = ComputerVisionHelper.VerifyText(eachEntry.Amount, eachEntry.BillPath, ConfigurationManager.AppSettings["CognitiveServicesKey"], eachEntry.ValueBesideLabel).Result;
eachEntry.AmountMatchType = ComputerVisionHelper.VerifyText(eachEntry.Amount, eachEntry.BillPath, ConfigurationManager.AppSettings["CognitiveServicesKey"], eachEntry.ValueBesideLabel).Result;
}
else
{
eachEntry.AmountMatchType = MatchType.NoMatch;
eachEntry.ValidationErrors.Add("File not found");
}
}
catch (Exception ex)
{
eachEntry.AmountMatchType = MatchType.NoMatch;
eachEntry.ValidationErrors.Add(string.Format("Exception Occured for Bill Id: {0}. Exception Message: {1}", eachEntry.ID, ex.Message));
}
}
}
public static async Task <HttpResponseMessage> Run(
[HttpTrigger(AuthorizationLevel.Anonymous, "post", Route = null)] HttpRequestMessage req,
ILogger log)
{
log.LogInformation("C# HTTP trigger function processed a request for driving license data.");
// Get request body
Byte[] byteArray = await req.Content.ReadAsByteArrayAsync();
if (byteArray == null || byteArray.Length == 0)
{
return(new HttpResponseMessage(HttpStatusCode.BadRequest)
{
Content = new StringContent(@"Empty request body")
});
}
var textResult = await ComputerVisionHelper.ExtractLocalTextAsync(byteArray, log);
if (textResult == null || !textResult.Any())
{
return(new HttpResponseMessage(HttpStatusCode.BadRequest)
{
Content = new StringContent(@"No text found")
});
}
var license = textResult.Select(tr => tr.Text).ToList().ExtractDrivingInfo();
return(new HttpResponseMessage(HttpStatusCode.OK)
{
Content = new StringContent(JsonConvert.SerializeObject(license), Encoding.UTF8, "application/json")
});
}
private async Task <string> GetFileText(IFormFile file)
{
using (var ms = new MemoryStream())
{
file.CopyTo(ms);
var fileBytes = ms.ToArray();
var lines = await ComputerVisionHelper.ExtractLocalTextAsync(fileBytes);
return(string.Join(" - ", lines.Select(t => t.Text)));
}
}
internal async Task ReadImageOcrTextAndTranslate(string toLanguage = "en-US")
{
string inputImageFilePath = Path.Combine(
HelperFunctions.GetSampleDataFullPath(customSettings.SampleDataFolders.PhotosToAnalyzeFolder),
customSettings.SampleIndividualFiles.PhotoFileToProcess
);
string fileNamePrefix = Path.GetFileName(inputImageFilePath);
string outFolder = HelperFunctions.GetSampleDataFullPath(customSettings.SampleDataFolders.AnalyzedImagesFolder);
string outBaseFilePath = Path.Combine(outFolder, fileNamePrefix);
// ensure destination Path exists
Directory.CreateDirectory(outFolder);
// OCR - text extraction
// Get vision client
Console.WriteLine($"Extracting Text using Vision OCR from {inputImageFilePath}...");
ComputerVisionClient visionClient = ComputerVision.Authenticate(
customSettings.ComputerVisionSettings.Endpoint,
customSettings.ComputerVisionSettings.Key);
string ocrFilePath = outBaseFilePath + "-ReadOcrResults.txt";
var ocrResult = await ComputerVision.RecognizeTextFromImageLocal(visionClient, inputImageFilePath, false);
var ocrLineTexts = ComputerVisionHelper.GetOcrResultLineTexts(ocrResult);
await File.WriteAllLinesAsync(ocrFilePath, ocrLineTexts);
Console.WriteLine($"Generated OCR output file {ocrFilePath}.");
Console.WriteLine();
// Detect Languages using Text Analytics Api
TextAnalyticsClient textClient = TextAnalytics.GetClient(
customSettings.TextAnalyticsSettings.Key,
customSettings.TextAnalyticsSettings.Endpoint
);
Console.WriteLine("Detect the language from generated OCR text using TextAnalytics...");
IEnumerable <string> sourceLanguages = await TextAnalytics.DetectLanguageBatchAsync(textClient, ocrLineTexts);
//Console.WriteLine($"Detected languages Count: {sourceLanguages.Count()}");
//Console.WriteLine($"Detected Languages: {string.Join(", ", sourceLanguages)}");
Console.WriteLine();
// Now translate the extracted text (OCR) to output language (here default is English)
Console.WriteLine($"Now translate the generated OCR file to English {toLanguage}...");
string ocrText = await File.ReadAllTextAsync(ocrFilePath);
string translatedText = await JournalHelper.Translator.Translate.TranslateTextRequestAsync(
customSettings.TranslatorConfigSettings.Key,
customSettings.TranslatorConfigSettings.Endpoint,
toLanguage,
ocrText
);
string outTranslatedFilePath = outBaseFilePath + "-translated-" + toLanguage + ".json";
if (!translatedText.StartsWith("["))
{
Console.WriteLine($"Storing the generated translation output to file: {outTranslatedFilePath}... ");
var json = JObject.Parse(translatedText);
Helper.WriteToJsonFile <JObject>(outTranslatedFilePath, json);
if (json.ContainsKey("error"))
{
Console.WriteLine($"\t\t\tTRANSLATOR ERROR: {json["error"]["code"]}");
Console.WriteLine($"\t\t\tMESSAGE: {json["error"]["message"]}");
return;
}
}
string txtFile = outTranslatedFilePath + ".txt";
Console.WriteLine($"Generating txt file with translated texts - {txtFile}");
IEnumerable <string> texts = JournalHelper.Translator.Translate.GetTranslatedTexts(translatedText);
await File.WriteAllLinesAsync(txtFile, texts);
Console.WriteLine();
}
