forceRenameDirectoryPreserveContents function

Future<void> forceRenameDirectoryPreserveContents(String oldPath, String newPath)

Implementation

Future<void> forceRenameDirectoryPreserveContents(
    String oldPath, String newPath) async {
  try {
    final oldDirectory = Directory(oldPath);
    final newDirectory = Directory(newPath);
    const tempDirectoryPath = 'temp';
    final tempDirectory = Directory(tempDirectoryPath);

    // Check if the old directory exists
    if (await oldDirectory.exists()) {
      // Check if the new directory already exists
      if (await newDirectory.exists()) {
        print(
            'A directory with the new name already exists. Moving contents to a temporary directory...');

        await removeDirectory(newPath);
        // Create a temporary directory to hold the contents of the new directory
        if (!await tempDirectory.exists()) {
          await tempDirectory.create(recursive: true);
        }

        // Move contents of the existing new directory to the temporary directory
        await moveContents(newDirectory, tempDirectory);

        // Rename the old directory to the new path
        // Rename the old directory to the new path
        await oldDirectory.rename(newPath);

        // Move contents from the temporary directory back to the renamed directory
        await moveContents(tempDirectory, newDirectory);

        // Delete the temporary directory
        await tempDirectory.delete(recursive: true);
        print('Directory renamed and contents preserved.');
      } else {
        // Simply rename the old directory if the new directory does not exist
        await oldDirectory.rename(newPath);
        print('Directory renamed successfully.');
      }
    } else {
      print('Old directory does not exist.');
    }
  } catch (e) {
    print('Error renaming directory: $e');
  }
}