public static bool BackupBranch(List <string> nodePath, string zipFilePath, IProcessingCallback callback)
{
// remove zip path if it already exists
if (System.IO.File.Exists(zipFilePath))
{
System.IO.File.Delete(zipFilePath);
}
// instantiate data context of current database
PPDataContext dbFrom = new PPDataContext();
// get node from
TreeNode nodeFrom = TreeNode.GetNodeByPath(dbFrom, null, nodePath, 0);
// build list of profiles referred by branch components
List <string> profileNames = new List <string>();
BuildListOfUsedCardboardProfiles(dbFrom, nodeFrom, ref profileNames);
// build destination database path
DBDescriptor dbDescTo = DBDescriptor.CreateTemp();
{
// build data context
using (PPDataContext dbTo = new PPDataContext(dbDescTo))
{
// copy cardboard profiles
MergeCardboardProfiles(dbFrom, dbTo, profileNames, callback);
// copy document types
CopyDocumentTypes(dbFrom, dbTo);
// copy branch nodes recursively
TreeNode nodeTo = TreeNode.GetNodeByPath(dbTo, null, nodePath, 0);;
CopyTreeNodesRecursively(dbFrom, dbTo, nodeFrom, nodeTo, callback);
}
GC.Collect();
}
Thread.Sleep(1000);
// archive temp database
dbDescTo.Archive(zipFilePath, callback);
return(true);
}
/// <summary>
/// create in temp directory with empty database file
/// </summary>
/// <returns>Ready to use descriptor</returns>
public static DBDescriptor CreateTemp()
{
return(DBDescriptor.CreateTemp(true));
}
private static void FillFromArchive(DBDescriptor desc, string zipFilePath, IProcessingCallback callback)
{
FileStream fileStreamIn = new FileStream(zipFilePath, FileMode.Open, FileAccess.Read);
using (ZipInputStream zipInStream = new ZipInputStream(fileStreamIn))
{
ZipEntry entry;
while ((entry = zipInStream.GetNextEntry()) != null)
{
bool isDB = string.Equals("PicParam.db", entry.Name, StringComparison.CurrentCultureIgnoreCase);
if (null != callback)
callback.Info(string.Format("Extracting zip entry {0}", entry.Name));
string destFilePath = isDB ? desc.DBFilePath : Path.Combine(desc.RepositoryPath, entry.Name);
if (!ExtractZipEntry(entry, zipInStream, destFilePath, callback))
break;
}
}
fileStreamIn.Close();
}