/// <summary>
/// Copies the specified folder element.
/// </summary>
/// <param name="folderElement">The folder element.</param>
/// <param name="newParentId">The parent id.</param>
public static void Copy(FolderElement folderElement, int parentId)
{
FolderElement newElement = null;
BlobInfo blobInfo = folderElement.GetBlobInfo();
BlobInfo blobInfoNew = (BlobInfo)blobInfo.Clone();
blobInfoNew.Uid = Guid.NewGuid();
BlobStorageProvider provider = BlobStorage.Providers[folderElement.BlobStorageProvider];
using (Stream srcStream = provider.ReadStream(blobInfo))
{
using (Stream dstStream = provider.CreateStream(blobInfoNew))
{
BlobStreamHelper.WriteToStream(dstStream, srcStream, 0, srcStream.Length);
provider.CommitStream(blobInfoNew);
}
}
newElement = (FolderElement)folderElement.Clone();
newElement.BlobUid = blobInfoNew.Uid;
newElement.Save();
Move(newElement, parentId);
}
/// <summary>
/// Creates the specified parent id.
/// </summary>
/// <param name="parentId">The parent id.</param>
/// <param name="fileName">Name of the file.</param>
/// <param name="srcStream">The SRC stream.</param>
/// <returns></returns>
public static FolderElement Create(int parentId, string fileName,
Stream srcStream, Guid progressUid)
{
FolderElement retVal = new FolderElement();
BlobInfo blobInfo = new BlobInfo(Guid.NewGuid());
retVal.ParentId = parentId;
//Try recognize provider from config setings
BlobStorageProvider provider = BlobStorage.Provider;
String providerName;
String contentType = Mediachase.Ibn.Blob.ContentTypeResolver.ContentType.ResolveByPath(fileName);
long fileSize = srcStream.Length;
if (TryRecognizeStorageProvider(retVal, fileName, contentType,
fileSize, out providerName))
{
provider = BlobStorage.Providers[providerName];
}
blobInfo.FileName = fileName;
blobInfo.Provider = provider.Name;
blobInfo.Created = DateTime.UtcNow;
blobInfo.ContentSize = fileSize;
blobInfo.ContentType = contentType;
//Content type assigned by provider
//Save blob info to storage
using (Stream dstStream = provider.CreateStream(blobInfo))
{
//BlobStreamHelper.WriteToStream(dstStream, srcStream, 0, fileSize);
WriteToStream(dstStream, srcStream, 0, fileSize, progressUid);
}
provider.CommitStream(blobInfo);
retVal.BlobStorageProvider = provider.Name;
retVal.BlobUid = blobInfo.Uid;
retVal.Created = DateTime.UtcNow;
retVal.Name = blobInfo.FileName;
if (retVal.Properties.Contains("ContentSize"))
{
retVal.Properties["ContentSize"].Value = (Int32)blobInfo.ContentSize;
}
if (retVal.Properties.Contains("ContentType"))
{
retVal.Properties["ContentType"].Value = blobInfo.ContentType;
}
//try
IFolderElementExtension folderEl = GetCfgFolderElementExtension(blobInfo);
if (folderEl != null)
{
folderEl.Process(retVal);
}
retVal.Save();
return(retVal);
}
/// <summary>
/// Moves the specified folder element.
/// </summary>
/// <param name="folderElement">The folder element.</param>
/// <param name="newParentId">The new parent id.</param>
public static void Move(FolderElement folderElement, int newParentId)
{
folderElement.ParentId = newParentId;
folderElement.Save();
}