public virtual IImageAnalysis Create(IImageSearchResult result)
{
var analysis = Create();
if (result == null)
{
return(analysis);
}
analysis.FacialAnalysis = result.FacialAnalysis;
analysis.TextAnalysis = result.TextAnalysis;
analysis.VisionAnalysis = result.VisionAnalysis;
analysis.People = result.People;
Item i = DataWrapper.GetItemByUri(result?.UniqueId ?? string.Empty);
if (i == null)
{
return(analysis);
}
analysis.ImageHeight = MediaWrapper.GetImageHeight(i);
analysis.ImageWidth = MediaWrapper.GetImageWidth(i);
analysis.ImageUrl = $"/sitecore/shell/Applications/-/media/{i.ID.Guid:N}.ashx";
return(analysis);
}
public ActionResult UpdateImageDescriptionAll(string id, string language, string db, int threshold,
bool overwrite)
{
if (!IsSitecoreUser())
{
return(LoginPage());
}
IEnumerable <MediaItem> fullList = MediaWrapper
.GetMediaFileDescendents(id, db)
.ToList();
IEnumerable <MediaItem> list = fullList
.Where(a => string.IsNullOrEmpty(a.Alt) || overwrite)
.ToList();
if (!list.Any())
{
return(Json(SetAltTagsAllFactory.Create(fullList.Count(), 0, 50, false)));
}
int updatedCount = 0;
var thresholdDouble = (double)threshold / 100;
foreach (var m in list)
{
Caption cap = SearchService.GetTopImageCaption(m, language, thresholdDouble);
if (cap == null || cap.Confidence < thresholdDouble)
{
continue;
}
IImageSearchResult csr = SearchService.GetSearchResult(m.ID.ToString(), language, db);
var newDescription = csr?.People != null && csr.People.Any()
? $"{string.Join(", ", csr.People)} - {cap.Text}"
: cap.Text;
MediaWrapper.SetImageAlt(m, newDescription);
updatedCount++;
}
var result = SetAltTagsAllFactory.Create(fullList.Count(), updatedCount, threshold,
overwrite);
return(Json(result));
}
public virtual IImageSearchJsonResult CreateMediaSearchJsonResult(IImageSearchResult searchResult)
{
var obj = Provider.GetService <IImageSearchJsonResult>();
MediaItem m = DataWrapper.GetItemByUri(searchResult.UniqueId);
try
{
obj.Url = $"/sitecore/shell/-/media/{m.ID.Guid:N}.ashx";
}
catch (Exception ex)
{
obj.Url = string.Empty;
}
try
{
obj.Alt = m.Alt;
}
catch (Exception ex)
{
obj.Alt = string.Empty;
}
try
{
obj.Id = m.ID.ToString();
}
catch (Exception ex)
{
obj.Id = string.Empty;
}
try
{
obj.Title = m.DisplayName;
}
catch (Exception ex)
{
obj.Title = string.Empty;
}
return(obj);
}
public void DownloadImage(IImageSearchResult result, DirectoryInfo destination, string filenamePrefix, bool downloadSourcePage)
{
var imageUri = result.ImageUri;
var filename = imageUri.Segments[imageUri.Segments.Length - 1];
filename = Regex.Replace(filename, "[\\/:*?\"<>]", "_");
var destinationPath = destination.FullName + Path.DirectorySeparatorChar + filenamePrefix + filename;
WebDownloader.DownloadRemoteFile(imageUri.AbsoluteUri, destinationPath, null, null, imageDownloadTimeout);
if (downloadSourcePage)
{
var pageUri = result.SourcePageUri;
destinationPath = destination.FullName + Path.DirectorySeparatorChar + "html";
if (!Directory.Exists(destinationPath))
{
Directory.CreateDirectory(destinationPath);
}
destinationPath += Path.DirectorySeparatorChar + filenamePrefix + filename + ".html";
WebDownloader.DownloadRemoteFile(pageUri.AbsoluteUri, destinationPath, null, null, imageDownloadTimeout);
}
}
public virtual IImageDescription GetImageDescription(MediaItem m, string language)
{
IImageSearchResult csr = GetSearchResult(m.ID.ToString(), language, m.Database.Name);
if (csr == null)
{
return(null);
}
List <string> descriptions = new List <string>();
var captions = csr
.VisionAnalysis
?.Description
?.Captions
.Where(a => a.Confidence > Settings.TagConfidenceThreshold)
.Select(a => a.Text)
.ToList();
var hasCaptions = captions != null && captions.Any();
var hasPeople = csr.People != null && csr.People.Any();
if (hasCaptions && hasPeople)
{
descriptions.Add($"{string.Join(", ", csr.People)} - {captions.First()}");
}
else if (hasCaptions)
{
descriptions.AddRange(captions);
}
else if (hasPeople)
{
descriptions.Add(string.Join(", ", csr.People));
}
return(ImageDescriptionFactory.Create(descriptions, m.Alt));
}
public virtual IImageAnalysis GetImageAnalysis(string id, string language, string db)
{
IImageSearchResult csr = GetSearchResult(id, language, db);
return(ImageAnalysisFactory.Create(csr));
}
