} //
/// <summary>
/// Deletes all but one file from every group of matches.
/// Returns the total size of deleted items.
/// </summary>
/// <param name="matches"></param>
public long DeleteMatches( bool moveToTrash=false, MatchOrdering deleteOrder = MatchOrdering.None ) {
long totalSize = 0;
this.SortMatches( deleteOrder );
foreach ( FileMatchGroup match in this ) {
totalSize += match.DuplicatesSize;
string[] files = match.RemoveMatches();
int len = files.Length;
/// don't delete the first file from each group.
for ( int i = 0; i < len; i++ ) {
if ( moveToTrash ) {
RecycleBinDeleter.Delete( files[i] );
} else {
File.Delete( files[i] );
}
} // for-loop.
} // for-loop.
return totalSize;
} //
/// <summary>
/// Sorts the matches in every matching group according to a given order.
/// </summary>
/// <param name="order"></param>
public void SortMatches( MatchOrdering order ) {
if ( order == MatchOrdering.None ) {
return;
}
foreach ( FileMatchGroup match in this ) {
match.SortMatches( order );
}
} //
public void SortMatches( MatchOrdering order ) {
if ( order == MatchOrdering.ReverseLexigraphic ) {
this.filePaths.Sort(
/// later lexigraphic names (e.g. 'z') come first.
( a, b ) => { return string.Compare( b, a, StringComparison.CurrentCulture ); }
);
} else {
this.filePaths.Sort(
( a, b ) => { return string.Compare( a, b, StringComparison.CurrentCulture ); }
);
}
}
