/// <summary>
/// Get a collection of files that will be copied
/// </summary>
/// <returns>FileInfo Array</returns>
public SFile[] GetFilesToCopy()
{
SFile[] filesToCopy = new SFile[0];
if (!isBackUpRepValid || !isMasterRepValid)
{
return(filesToCopy);
}
//Listing files contained in master repository
FileInfo[] masterRepFiles = diMasterRep.GetFiles("*", SearchOption.AllDirectories);
List <SFile> masterRepList = (from fn in masterRepFiles
select new SFile()
{
FullName = fn.FullName,
FullRelativeName = fn.FullName.Replace(diMasterRep.FullName, ""),
DirectoryName = fn.DirectoryName,
LastWriteTime = fn.LastWriteTime,
Size = fn.Length
}).ToList();
//Listing files contained in backup repository
FileInfo[] backUpRepFiles = diBackUpRep.GetFiles("*", SearchOption.AllDirectories);
List <SFile> backUpRepList = (from fn in backUpRepFiles
select new SFile()
{
FullName = fn.FullName,
FullRelativeName = fn.FullName.Replace(diBackUpRep.FullName, ""),
DirectoryName = fn.DirectoryName,
LastWriteTime = fn.LastWriteTime,
Size = fn.Length
}).ToList();
/*Listing files that will be copied:
* First Condition - Files that are contained in master repository but not in backup repository
* OR
* Second condition - Files that are in both directories but files in master repository that has a bigger last write time
*/
filesToCopy = masterRepList.Where(
// First condition
f => !backUpRepList.Any(bf => bf.FullRelativeName == f.FullRelativeName)
||
//Second condition
(
backUpRepList.Any(
bf => bf.FullRelativeName == f.FullRelativeName
&&
f.LastWriteTime > bf.LastWriteTime
)
)
).ToArray();
return(filesToCopy);
}
/// <summary>
/// Get a collection of files that will be deleted
/// </summary>
/// <returns>FileInfo Array</returns>
public SFile[] GetFilesToDelete()
{
SFile[] filesToDelete = new SFile[0];
if (!isBackUpRepValid || !isMasterRepValid)
{
return(filesToDelete);
}
//Listing files contained in master repository
FileInfo[] masterRepFiles = diMasterRep.GetFiles("*", SearchOption.AllDirectories);
List <SFile> masterRepList = (from fn in masterRepFiles
select new SFile()
{
FullName = fn.FullName,
FullRelativeName = fn.FullName.Replace(diMasterRep.FullName, ""),
DirectoryName = fn.DirectoryName,
LastWriteTime = fn.LastWriteTime,
Size = fn.Length
}).ToList();
//Listing files contained in backup repository
FileInfo[] backUpRepFiles = diBackUpRep.GetFiles("*", SearchOption.AllDirectories);
List <SFile> backUpRepList = (from fn in backUpRepFiles
select new SFile()
{
FullName = fn.FullName,
FullRelativeName = fn.FullName.Replace(diBackUpRep.FullName, ""),
DirectoryName = fn.DirectoryName,
LastWriteTime = fn.LastWriteTime,
Size = fn.Length
}).ToList();
/*Listing files that will be deleted:
* Condition - Files that are contained in backup repository but not in master repository
*/
filesToDelete = backUpRepList.Where(
// First condition
bf => !masterRepList.Any(f => f.FullRelativeName == bf.FullRelativeName)
).ToArray();
return(filesToDelete);
}