private S3DownloadedFile DownloadFileFromS3(string providerName, string libraryName, string fileName)
{
LibrariesManager librariesManager = LibrariesManager.GetManager(providerName);
var docLibs = librariesManager.GetDocumentLibraries();
MediaContent document = null;
Stream tempStream = null;
MemoryStream fileStream = new MemoryStream();
foreach (var lib in docLibs)
{
if (lib.Title.ToLower() == libraryName)
{
document = lib.Items().Where(item => item.Title == fileName).FirstOrDefault();
tempStream = librariesManager.Download(document);
}
}
if (tempStream != null)
{
tempStream.CopyTo(fileStream);
fileStream.Position = 0;
}
return(new S3DownloadedFile {
Document = document, FileStream = fileStream
});
}
private bool ProcessImagesInternal(string providerName)
{
string transactionName = string.Format("imageoptimization_{0}", providerName);
LibrariesManager librariesManager = LibrariesManager.GetManager(providerName, transactionName);
bool itemsProcessed = false;
int processedImages = 0;
IEnumerable <Image> images = librariesManager.GetImages().Where(i => i.Status == ContentLifecycleStatus.Master && ((i.GetValue <object>(ImageOptimizationConstants.IsOptimizedFieldName) == null) || !i.GetValue <bool>(ImageOptimizationConstants.IsOptimizedFieldName))).Take(this.batchSize);
foreach (var image in images)
{
try
{
this.BuildTrace(string.Format("{0} - Attempting to optimize image {1} ({2})", DateTime.UtcNow.ToString("yyyy-MM-dd-T-HH:mm:ss"), image.Title, image.Id));
Image master = image;
Image temp = librariesManager.Lifecycle.CheckOut(image) as Image;
Stream sourceImageStream = librariesManager.Download(image.Id);
librariesManager.Upload(temp, sourceImageStream, image.Extension, true);
temp.SetValue(ImageOptimizationConstants.IsOptimizedFieldName, true);
master = librariesManager.Lifecycle.CheckIn(temp) as Image;
ProcessReplacedImageTranslations(librariesManager, master);
if (master.ApprovalWorkflowState == "Published")
{
librariesManager.Lifecycle.Publish(master);
}
this.BuildTrace(string.Format("{0} - Image {1} ({2}) has been optimized", DateTime.UtcNow.ToString("yyyy-MM-dd-T-HH:mm:ss"), image.Title, image.Id));
if (processedImages % 5 == 0)
{
TransactionManager.CommitTransaction(transactionName);
}
processedImages += 1;
}
catch (Exception ex)
{
this.BuildTrace(string.Format("Optimization of image {0} ({1}) failed with exception {2}", image.Title, image.Id, ex.Message), true);
}
this.WriteTraceLog();
itemsProcessed = true;
}
TransactionManager.CommitTransaction(transactionName);
return(itemsProcessed);
}
private void ProcessReplacedImageTranslations(LibrariesManager librariesManager, Image image)
{
Guid defaultFileId = image.FileId;
IEnumerable <MediaFileLink> links = image.MediaFileLinks.Where(mfl => mfl.FileId != defaultFileId);
// process image translations that have replaced image for translation
foreach (var linkItem in links)
{
IList <int> proccessedCultures = new List <int>();
if (!proccessedCultures.Contains(linkItem.Culture))
{
using (new CultureRegion(linkItem.Culture))
{
CultureInfo currentCultureInfo = new CultureInfo(linkItem.Culture);
try
{
this.BuildTrace(string.Format("{0} - Attempting to optimize image {1} ({2}) in culture {3}", DateTime.UtcNow.ToString("yyyy-MM-dd-T-HH:mm:ss"), image.Title, image.Id, currentCultureInfo.Name));
Image translatedMaster = (linkItem.MediaContent.OriginalContentId == Guid.Empty ? linkItem.MediaContent : librariesManager.GetMediaItem(linkItem.MediaContent.OriginalContentId)) as Image;
Image translatedTemp = librariesManager.Lifecycle.CheckOut(translatedMaster) as Image;
Stream translationSourceImageStream = librariesManager.Download(linkItem.MediaContentId);
librariesManager.Upload(translatedTemp, translationSourceImageStream, image.Extension, false);
translatedTemp.SetValue(ImageOptimizationConstants.IsOptimizedFieldName, true);
translatedMaster = librariesManager.Lifecycle.CheckIn(translatedTemp) as Image;
if (translatedMaster.ApprovalWorkflowState.GetString(currentCultureInfo, false) == "Published")
{
librariesManager.Lifecycle.Publish(translatedMaster, currentCultureInfo);
}
proccessedCultures.Add(linkItem.Culture);
this.BuildTrace(string.Format("{0} - Image {1} ({2}) in culture {3} has been optimized", DateTime.UtcNow.ToString("yyyy-MM-dd-T-HH:mm:ss"), image.Title, image.Id, currentCultureInfo.Name));
}
catch (Exception ex)
{
this.BuildTrace(string.Format("Optimization of image {0} ({1}) in culture {2} failed with exception {3}", image.Title, image.Id, currentCultureInfo.Name, ex.Message), true);
}
}
}
}
}
