protected void UploadButton_Click(object sender, EventArgs e)
{
List <string> files;
if (!AssetFileUpload.HasFile && AssetSourcePathDropDownList.SelectedValue == "#BROWSERUPLOAD#")
{
MessageLabel1.SetErrorMessage("Please select a file to upload");
return;
}
if (AssetSourceSubfolderTextBox.Text.Contains("..\\"))
{
MessageLabel1.SetErrorMessage("Invalid source path sub-folder specified");
return;
}
if (!AssetFileUpload.HasFile)
{
// Must be scanning Asset source paths
// Check that we have the specified folder
string path = Path.Combine(AssetSourcePathDropDownList.SelectedValue, AssetSourceSubfolderTextBox.Text);
if (!Directory.Exists(path))
{
MessageLabel1.SetErrorMessage("Source path specified does not exit");
return;
}
files = AssetSourcePathManager.GetAssetFiles(path);
if (files.Count() == 0)
{
MessageLabel1.SetErrorMessage("No files exist on path '" + AssetSourcePathDropDownList.SelectedValue + "'");
return;
}
// Check the radio button to see whether we are moving or copying.
BinaryFile.SaveMode saveMode = (MoveOrCopyButtonList.SelectedValue == "M" ? BinaryFile.SaveMode.Move : BinaryFile.SaveMode.Copy);
ProcessUpload(files, saveMode, false, path);
}
else
{
// Uploading a single file through the browser
try
{
// Save the uploaded file to disk
string uploadedFilePath = Path.Combine(SessionHelper.GetForCurrentSession().CreateSessionTempFolder(), AssetFileUpload.FileName);
AssetFileUpload.MoveTo(uploadedFilePath, MoveToOptions.Overwrite);
// Wrap the uploaded file in a generic BinaryFile class for use in the business layer.
BinaryFile file = new BinaryFile(uploadedFilePath, BinaryFile.SaveMode.Move);
// Ensure basic form values are valid
if (!PageIsValid(file))
{
return;
}
files = new List <string> {
uploadedFilePath
};
// Alway move the file when processing a browser uploaded file because
// at this stage we are playing with the temporary file.
ProcessUpload(files, BinaryFile.SaveMode.Move, true, string.Empty);
}
catch (Exception ex)
{
const string message = "Unknown error occured when uploading asset(s)";
string error = (CurrentUser.UserRole == UserRole.SuperAdministrator) ? ex.ToString() : ex.Message;
MessageLabel1.SetErrorMessage(message, error);
ExceptionHandler.HandleException(ex, message);
}
}
}
/// <summary>
/// Processes a list of files and passes them to the MultiAssetUploader class
/// Files that come via the browser will not cause sub-categories to be created
/// unless the file is a zip file in which case the paths in the zip file can be
/// used to create sub-categories.
/// </summary>
/// <param name="filesToUpload">List of filenames to upload</param>
/// <param name="saveMode">Move or Copy</param>
/// <param name="IsBrowserUpload">Flag to indicate weather the file came via the browser</param>
/// <param name="rootPath">The root path for directory scanning</param>
private void ProcessUpload(IEnumerable <string> filesToUpload, BinaryFile.SaveMode saveMode, bool IsBrowserUpload, string rootPath)
{
ErrorList errors = new ErrorList();
List <UploadedAssetResult> uploadResultList = null;
rootPath = rootPath.ToLower();
foreach (string fileName in filesToUpload)
{
// At this point we have a list of files containing one or more files to process.
try
{
// Wrap the uploaded file in a generic BinaryFile class for use in the business layer.
BinaryFile file = new BinaryFile(fileName, saveMode);
m_Logger.DebugFormat("Uploading file: {0}", file.FileName);
// Get the directory name where we're uploading from
string relativePath = new FileInfo(fileName).DirectoryName.ToLower();
// Strip out the root path if required; we don't need it for processing
if (!string.IsNullOrEmpty(relativePath) && !string.IsNullOrEmpty(rootPath))
{
rootPath = rootPath.Replace(rootPath, string.Empty);
}
// Initialize the asset uploader
MultiAssetUploader assetUploader = new MultiAssetUploader
{
BinaryFile = file,
SourcePath = IsBrowserUpload ? string.Empty : relativePath,
AssetTypeId = AssetTypeDropDownList.GetSelectedId(),
TargetCategoryId = CategoryDropDownList.GetSelectedId(),
CreateCategorySubFolders = SubFolderCheckBox.Checked,
UploadedBy = CurrentUser,
SendEmailOnCompletion = NotifyWhenProcessedCheckBox.Checked,
PreserveZipFile = PreserveZipFileCheckBox.Checked,
DoNotProcessForPreview = DoNotSubmitForPreviewCheckBox.Checked
};
assetUploader.BeforeSave += delegate(object aus, AssetEventArgs aue)
{
aue.Asset.Title = Path.GetFileNameWithoutExtension(aue.Asset.Filename);
aue.Asset.Description = "No description available";
aue.Asset.UsageRestrictions = string.Concat("(c) ", CurrentUser.CompanyName, " ", DateTime.Now.Year);
};
// Do the upload
assetUploader.Upload();
m_Logger.DebugFormat("Upload completed successfully");
// Get Processed Asset ID's
var processedAssetList = from uar in assetUploader.UploadedAssetResultList
where (uar.FileStatus == FileStatus.Processed || (CurrentUser.UserRole == UserRole.SuperAdministrator && uar.FileStatus == FileStatus.DuplicateHash))
select uar.Asset.AssetId.GetValueOrDefault();
// Add the assets to the session
foreach (int assetId in processedAssetList)
{
SessionInfo.Current.AdminSessionInfo.UploadedAssetsList.Add(assetId);
}
// Save the uploaded asset list to the logged in user
SiteUtils.SaveUploadedAssetListToCurrentUser();
// Toggle panels
FormPanel.Visible = false;
SuccessPanel.Visible = true;
// Append the asset ID too, so we can jump straight to it
if (processedAssetList.LongCount() >= 1)
{
CatalogueAssetsHyperLink.NavigateUrl += "&AssetId=" + processedAssetList.First();
}
if (uploadResultList == null)
{
uploadResultList = assetUploader.UploadedAssetResultList;
}
else
{
uploadResultList.AddRange(assetUploader.UploadedAssetResultList);
}
}
catch (UnauthorizedAccessException uaEx)
{
errors.Add(string.Format("Error uploading asset '{0}', {1}", fileName, uaEx.Message));
}
catch (DuplicateHashException dhex)
{
// This exception will only be thrown for single asset uploads.
if (EntitySecurityManager.IsAssetRestricted(CurrentUser, dhex.Asset))
{
IList <Asset> list = new List <Asset> {
dhex.Asset
};
NotifyEngine.AssetUploadDuplicateHash(CurrentUser, list);
}
errors.Add(string.Format("Error uploading asset '{0}', {1}", fileName, dhex.Message));
}
catch (AssetUploadException auex)
{
errors.Add(string.Format("Error uploading asset '{0}', {1}", fileName, auex.Message));
}
catch (InvalidAssetException iex)
{
if (iex.Errors.Count > 0)
{
errors.Add(string.Format("Error uploading asset '{0}'", fileName));
errors.AddRange(iex.Errors);
}
else
{
errors.Add(string.Format("Error uploading asset '{0}', {1}", fileName, iex.Message));
}
}
catch (InvalidAssetFileException ifex)
{
errors.Add(string.Format("Error saving asset '{0}', {1}", fileName, ifex.Message));
}
catch (ZipException zex)
{
const string message = "An error occured";
string error = "It appears that the zip file is corrupt. Please try re-creating the zip file and uploading again.";
if (CurrentUser.UserRole == UserRole.SuperAdministrator)
{
error += "<br /><br />" + zex;
}
errors.Add(string.Format("An error ocurred with file '{0}', {1}", fileName, error));
ExceptionHandler.HandleException(zex, message);
}
catch (Exception ex)
{
const string message = "Unknown error occured when uploading asset(s)";
string error = (CurrentUser.UserRole == UserRole.SuperAdministrator) ? ex.ToString() : ex.Message;
errors.Add(string.Format("Unknown error occured when uploading asset '{0}', {1}", fileName, error));
ExceptionHandler.HandleException(ex, message);
}
}
// Display errors if we have any
if (errors.Count > 0)
{
MessageLabel1.SetErrorMessage("Errors occurred while uploading assets", errors);
}
if (uploadResultList != null && uploadResultList.Count > 0)
{
// Get the groups of files
var statusList = (from result in uploadResultList
select result.FileStatus).Distinct();
// Sort the groups, push processed group to the top as this is the most important
var sortedStatusList = from status in statusList
let SortOrder = (status == FileStatus.Processed) ? 1 : 0
orderby SortOrder
select status;
// Populate the groups with files
var fileGroupList = from status in sortedStatusList
select new FileGroup(status, from result in uploadResultList
where (result.FileStatus == status)
orderby result.Filename
select result.Filename);
// Notify admins about any assets uploaded that were duplicates of an
// existing asset and the upload user does not have access to that asset.
var duplicateAssets = from result in uploadResultList
where (result.FileStatus == FileStatus.DuplicateHash) && (EntitySecurityManager.IsAssetRestricted(CurrentUser, result.Asset))
orderby result.Asset.AssetId
select result.Asset;
// Send the notification
if (duplicateAssets.LongCount() > 0)
{
NotifyEngine.AssetUploadDuplicateHash(CurrentUser, duplicateAssets);
}
// Bind the list
UploadedFileListRepeater.DataSource = fileGroupList;
UploadedFileListRepeater.DataBind();
}
}
