public async Task <HttpResponseMessage> ExtractCheck([FromUri] LeadWebRequest request)
{
try
{
AuthenticateRequest();
if (!VerifyCommonParameters(request))
{
throw new MalformedRequestException();
}
using (var stream = await GetImageStream(request.fileUrl))
{
int lastPage = request.LastPage;
ValidateFile(stream, ref lastPage);
LoadDocumentOptions options = new LoadDocumentOptions()
{
FirstPageNumber = request.FirstPage,
LastPageNumber = lastPage
};
RecognitionEngine recognitionEngine = new RecognitionEngine();
recognitionEngine.OcrEngine = ocrEngine;
var micrResults = recognitionEngine.ExtractMicr(stream, options, Leadtools.Forms.Commands.BankCheckMicrFontType.Unknown);
return(new HttpResponseMessage(HttpStatusCode.OK)
{
Content = new StringContent(JsonConvert.SerializeObject(micrResults))
});
}
}
catch (Exception e)
{
return(GenerateExceptionMessage(e));
}
}
public static async Task <HttpResponseMessage> Run([HttpTrigger(AuthorizationLevel.Function, "get", "post", Route = "Recognition/ExtractCheck")] HttpRequestMessage req, TraceWriter log, ExecutionContext context)
{
try
{
if (!DemoConfiguration.UnlockSupport(log))
{
return(GenerateErrorMessage(ApiError.LicenseNotSet, req));
}
var leadParameterObject = ParseLeadWebRequestParameters(req);
if (!leadParameterObject.Successful)
{
return(GenerateErrorMessage(ApiError.InvalidRequest, req));
}
var imageReturn = await GetImageStreamAsync(leadParameterObject.LeadWebRequest.fileUrl, req, DemoConfiguration.MaxUrlMbs);
if (!imageReturn.Successful)
{
return(GenerateErrorMessage(imageReturn.ErrorType.Value, req));
}
using (imageReturn.Stream)
{
LoadDocumentOptions options = new LoadDocumentOptions()
{
FirstPageNumber = leadParameterObject.LeadWebRequest.FirstPage,
LastPageNumber = leadParameterObject.LeadWebRequest.LastPage
};
RecognitionEngine recognitionEngine = new RecognitionEngine
{
WorkingDirectory = Path.GetTempPath(),
OcrEngine = GetOcrEngine()
};
var micrResults = recognitionEngine.ExtractMicr(imageReturn.Stream, options, BankCheckMicrFontType.Unknown);
var returnRequest = req.CreateResponse(HttpStatusCode.OK);
returnRequest.Content = new StringContent(JsonConvert.SerializeObject(micrResults));
return(returnRequest);
}
}
catch (Exception ex)
{
log.Error($"API Error occurred for request: {context.InvocationId} \n Details: {JsonConvert.SerializeObject(ex)}");
return(GenerateErrorMessage(ApiError.InternalServerError, req));
}
}