public static void Overwrite(string zipFilePath, IProcessingCallback callback)
{
// check existence of zip archive
if (!System.IO.File.Exists(zipFilePath))
{
throw new FileNotFoundException(string.Format("File {0} not found", zipFilePath), zipFilePath);
}
// extract zip archive to temp
DBDescriptor dbDescFrom = DBDescriptor.CreateTempFromArchive(zipFilePath, callback);
PPDataContext dbFrom = new PPDataContext(dbDescFrom);
TreeNode nodeFrom = TreeNode.GetRootNodes(dbFrom)[0];
PPDataContext dbTo = new PPDataContext();
TreeNode nodeTo = TreeNode.GetRootNodes(dbTo)[0];
// merge format table
OverwriteCardboardFormats(dbFrom, dbTo, callback);
// merge cardboard profiles
OverwriteCardboardProfiles(dbFrom, dbTo, callback);
// merge document types
OverwriteDocumentTypes(dbFrom, dbTo, callback);
// first clear existing documents
ClearExistingDocumentsRecursively(dbFrom, nodeFrom, nodeTo, callback);
// then merge
using (PPDataContext dbTo1 = new PPDataContext())
{
MergeTreeNodesRecursively(dbFrom, dbTo, nodeFrom, nodeTo, callback);
}
}
/// <summary>
/// restores a backup database : callback version
/// </summary>
public static bool Restore(string zipFilePath, IProcessingCallback callback)
{
try
{
// clear existing directories
DBDescriptor dbDescTo = DBDescriptor.Current;
if (!dbDescTo.Clear())
{
if (null != callback)
{
callback.Error("Failed to clear current database!");
}
return(false);
}
// extract new database
DBDescriptor dbDescFrom = DBDescriptor.CreateTempFromArchive(zipFilePath, callback);
// build data contexts
PPDataContext dbFrom = new PPDataContext(dbDescFrom);
PPDataContext dbTo = new PPDataContext(dbDescTo);
// copy format table
CopyCardboardFormats(dbFrom, dbTo);
// copy cardboard profiles
CopyCardboardProfiles(dbFrom, dbTo);
// copy document types
CopyDocumentTypes(dbFrom, dbTo);
// copy branch nodes recursively
TreeNode nodeFrom = TreeNode.GetRootNodes(dbFrom)[0];
TreeNode nodeTo = TreeNode.GetRootNodes(dbTo)[0];;
CopyTreeNodesRecursively(dbFrom, dbTo, nodeFrom, nodeTo, callback);
GC.Collect();
}
catch (Exception ex)
{
if (null != callback)
{
callback.Error(ex.Message);
}
_log.Error(ex.ToString());
return(false);
}
return(true);
}
