Automatically populating dataobjectset with contents of assets subfolder in Silverstripe - silverstripe

Question

I'm currently working on a Silverstripe 3.1 website that has dozens of random header images.
I can easily setup a "HeaderImage" databobjectset, but manually adding every image via the CMS would be a tedious headache.
Is there a simple way to have a dataobjectset automatically populated by the contents of a folder.
For example every image file in /assets/header-images/ automatically becomes a "HeaderImage" object. I want to be able to easily add or remove images.
Any ideas would be appreciated.

Answer 1

some details about the proposed solutions.
1) Like #3dgoo mentioned, using the GridFieldBulkEditingTools module. Download the latest master of best via composer "colymba/gridfield-bulk-editing-tools": "dev-master". This will let you upload a bunch of images and will create a DataObject for each one. Use the Bulk upload button. Here is how to have it set up in ModelAdmin:
class HeaderAdmin extends ModelAdmin
{
private static $managed_models = array('HeaderImage');
private static $url_segment = 'header-admin';
private static $menu_title = 'Header admin';
public function getEditForm($id = null, $fields = null)
{
$form = parent::getEditForm($id, $fields);
$gridField = $form->Fields()->fieldByName($this->sanitiseClassName('HeaderImage'));
if ( $gridField )
{
$gridField->getConfig()->addComponent(new GridFieldBulkImageUpload());
}
return $form;
}
}
2) Another solution, which would require a lot more work, is create a BuildTask and sort out the logic in run():
class ImportHeaderImagesTask extends BuildTask
{
protected $title = 'Import Header Images';
protected $description = 'Import Header Images......';
/**
* Check that the user has appropriate permissions to execute this task
*/
public function init()
{
if( !Director::is_cli() && !Director::isDev() && !Permission::check('ADMIN') )
{
return Security::permissionFailure();
}
parent::init();
}
/**
* Do some stuff
*/
public function run($request)
{
// this is where files are uploaded manually
$TempFTPFolder = ASSETS_PATH . '/FTP';
// This is the folder where files will be moved
$LiveFolderPath = 'assets/path/to/final/live/folder/';
$LiveFolder = DataObject::get_one('File', "Filename = '$LiveFolderPath'");
if ( file_exists( $TempFTPFolder ) && $LiveFolder->ID ) // if the FTP upload folder exist and the destination live folder exist
{
$FTPList = scandir( $TempFTPFolder ); // get the FTP folder content
foreach ($FTPList as $FileFolder)
{
$FTPFile = $TempFTPFolder . '/' . $FileFolder;
if ( is_file( $FTPFile ) ) // process files only
{
// Create File object for the live version
$NewFile = new File();
$NewFile->setParentID( $LiveFolder->ID );
$NewFile->setName( $FileFolder );
// get target name/path
$RenameTarget = $NewFile->getFullPath();
if ( $RenameTarget )
{
$moved = false;
try {
$moved = rename( $FTPFile, $RenameTarget ); // move the FTP file to the live folder
} catch (Exception $e) {}
if ( $moved )
{
$NewFile->write();
// create DataObject and add image relation
$HeaderImage = HeaderImage::create();
$HeaderImage->ImageID = $NewFile->ID;
$HeaderImage->write();
}
}
}
}
}
}
}
You can run this tasks via the dev/ url or via the command line or a CRON job. Note that I adapted the run() logic from something I've done a while ago, so not guaranteed it will work by just copy/pasting.