/// <summary>
/// Create
/// Permits an external process to create an instance of this object without having direct access to the constructor,
/// thereby permitting tighter control of the use of class instances.
public static GCVision Create(TraceWriter log, string etag, string imageURL, string hash, DateTimeOffset?dateSubmitted, DateTimeOffset?dateProcessed, string name = "", string description = "")
{
GCPAuthentication.GetClient(log);
return(new GCVision(log, etag, imageURL, hash, dateSubmitted, dateProcessed, name, description));
}
/// <summary>
/// ApplyAnaysis
/// Given a specific 'detectionType' the corresponding GC Vision API function is invoked.
/// Returns a different type from different API calls, hence the use of a dynamic type object.
/// </summary>
/// <param name="detectionType"></param>
/// <returns></returns>
public dynamic ApplyAnalysis(AnalysisMethod detectionType)
{
var response = (dynamic)null;
try
{
if (String.IsNullOrEmpty(_url.ToString()))
{
_log.Info($"URL: {_url.ToString()} is empty.");
return(response);
}
_detectFunctionId = detectionType;
switch (detectionType)
{
case AnalysisMethod.DETECT_FACES:
response = GCPAuthentication.GetClient().DetectFaces(_image);
break;
case AnalysisMethod.DETECT_LANDMARKS:
response = GCPAuthentication.GetClient().DetectLandmarks(_image);
break;
case AnalysisMethod.DETECT_LABELS:
response = GCPAuthentication.GetClient().DetectLabels(_image);
break;
case AnalysisMethod.DETECT_SAFESEARCH:
response = GCPAuthentication.GetClient().DetectSafeSearch(_image);
break;
case AnalysisMethod.DETECT_PROPERTIES:
response = GCPAuthentication.GetClient().DetectImageProperties(_image);
break;
case AnalysisMethod.DETECT_TEXT:
response = GCPAuthentication.GetClient().DetectText(_image);
break;
case AnalysisMethod.DETECT_LOGOS:
response = GCPAuthentication.GetClient().DetectLogos(_image);
break;
case AnalysisMethod.DETECT_CROPHINT:
response = GCPAuthentication.GetClient().DetectCropHints(_image);
break;
case AnalysisMethod.DETECT_WEB:
response = GCPAuthentication.GetClient().DetectWebInformation(_image);
break;
case AnalysisMethod.DETECT_DOCTEXT:
response = GCPAuthentication.GetClient().DetectDocumentText(_image);
break;
default:
_log.Error($"Unrecognised detection method: { detectionType } ");
break;
}
}
catch (AnnotateImageException e)
{
_log.Error($"{ e.Response.Error } for image: { _url }");
}
return(response);
}