/// <summary>
/// Сopy the directory with the embedded files and directories
/// </summary>
/// <param name="sourcePath">Path to the source directory</param>
/// <param name="destinationPath">Path to the destination directory</param>
protected virtual void CopyDirectory(string sourcePath, string destinationPath)
{
var existingFiles = _fileProvider.GetFiles(sourcePath);
var existingDirectories = _fileProvider.GetDirectories(sourcePath);
if (!_fileProvider.DirectoryExists(destinationPath))
{
_fileProvider.CreateDirectory(destinationPath);
}
foreach (var file in existingFiles)
{
var filePath = _fileProvider.Combine(destinationPath, _fileProvider.GetFileName(file));
if (!_fileProvider.FileExists(filePath))
{
_fileProvider.FileCopy(file, filePath);
}
}
foreach (var directory in existingDirectories)
{
var directoryPath = _fileProvider.Combine(destinationPath, _fileProvider.GetDirectoryName(directory));
CopyDirectory(directory, directoryPath);
}
}
/// <summary>
/// Copy the plugin file to shadow copy directory
/// </summary>
/// <param name="pluginFilePath">Plugin file path</param>
/// <param name="shadowCopyPlugFolder">Path to shadow copy folder</param>
/// <returns>File path to shadow copy of plugin file</returns>
protected static string ShadowCopyFile(string pluginFilePath, string shadowCopyPlugFolder)
{
var shouldCopy = true;
var shadowCopiedPlug = _fileProvider.Combine(shadowCopyPlugFolder, _fileProvider.GetFileName(pluginFilePath));
//check if a shadow copied file already exists and if it does, check if it's updated, if not don't copy
if (_fileProvider.FileExists(shadowCopiedPlug))
{
//it's better to use LastWriteTimeUTC, but not all file systems have this property
//maybe it is better to compare file hash?
var areFilesIdentical = _fileProvider.GetCreationTime(shadowCopiedPlug).ToUniversalTime().Ticks >= _fileProvider.GetCreationTime(pluginFilePath).ToUniversalTime().Ticks;
if (areFilesIdentical)
{
Debug.WriteLine("Not copying; files appear identical: '{0}'", _fileProvider.GetFileName(shadowCopiedPlug));
shouldCopy = false;
}
else
{
//delete an existing file
//More info: https://www.nopcommerce.com/boards/t/11511/access-error-nopplugindiscountrulesbillingcountrydll.aspx?p=4#60838
Debug.WriteLine("New plugin found; Deleting the old file: '{0}'", _fileProvider.GetFileName(shadowCopiedPlug));
_fileProvider.DeleteFile(shadowCopiedPlug);
}
}
if (!shouldCopy)
{
return(shadowCopiedPlug);
}
try
{
_fileProvider.FileCopy(pluginFilePath, shadowCopiedPlug, true);
}
catch (IOException)
{
Debug.WriteLine(shadowCopiedPlug + " is locked, attempting to rename");
//this occurs when the files are locked,
//for some reason devenv locks plugin files some times and for another crazy reason you are allowed to rename them
//which releases the lock, so that it what we are doing here, once it's renamed, we can re-shadow copy
try
{
var oldFile = shadowCopiedPlug + Guid.NewGuid().ToString("N") + ".old";
_fileProvider.FileMove(shadowCopiedPlug, oldFile);
}
catch (IOException exc)
{
throw new IOException(shadowCopiedPlug + " rename failed, cannot initialize plugin", exc);
}
//OK, we've made it this far, now retry the shadow copy
_fileProvider.FileCopy(pluginFilePath, shadowCopiedPlug, true);
}
return(shadowCopiedPlug);
}