/**
* Post-Process the data after a delete.
* The event happens after the entity has been deleted.
* Will be called after the database delete operations.
*
* Restrictions:
* - no access to entity manager or unit of work apis
* - will not be called for a DQL DELETE statement
*
* @see MUBoard_Entity_Rank::postRemoveCallback()
* @return boolean true if completed successfully else false.
*/
protected function performPostRemoveCallback()
{
// echo 'deleted a record ...';
// initialise the upload handler
$uploadManager = new MUBoard_UploadHandler();
$uploadFields = array('uploadImage');
foreach ($uploadFields as $uploadField) {
if (empty($this->{$uploadField})) {
continue;
}
// remove upload file (and image thumbnails)
$uploadManager->deleteUploadFile('rank', $this, $uploadField);
}
return true;
}
/**
* Helper method to process upload fields
*/
protected function handleUploads($formData, $existingObject)
{
if (!count($this->uploadFields)) {
return $formData;
}
// initialise the upload handler
$uploadManager = new MUBoard_UploadHandler();
$existingObjectData = $existingObject->toArray();
// process all fields
foreach ($this->uploadFields as $uploadField => $isMandatory) {
// check if an existing file must be deleted
$hasOldFile = !empty($existingObjectData[$uploadField]);
$hasBeenDeleted = !$hasOldFile;
if ($this->mode != 'create') {
if (isset($formData[$uploadField . 'DeleteFile'])) {
if ($hasOldFile && $formData[$uploadField . 'DeleteFile'] === true) {
// remove upload file (and image thumbnails)
$existingObjectData = $uploadManager->deleteUploadFile($this->objectType, $existingObjectData, $uploadField);
if (empty($existingObjectData[$uploadField])) {
$existingObject[$uploadField] = '';
}
}
unset($formData[$uploadField . 'DeleteFile']);
$hasBeenDeleted = true;
}
}
// look whether a file has been provided
if (!$formData[$uploadField] || $formData[$uploadField]['size'] == 0) {
// no file has been uploaded
unset($formData[$uploadField]);
// skip to next one
continue;
}
if ($hasOldFile && $hasBeenDeleted !== true && $this->mode != 'create') {
// remove old upload file (and image thumbnails)
$existingObjectData = $uploadManager->deleteUploadFile($this->objectType, $existingObjectData, $uploadField);
if (empty($existingObjectData[$uploadField])) {
$existingObject[$uploadField] = '';
}
}
// do the actual upload (includes validation, physical file processing and reading meta data)
$uploadResult = $uploadManager->performFileUpload($this->objectType, $formData, $uploadField);
// assign the upload file name
$formData[$uploadField] = $uploadResult['fileName'];
// assign the meta data
$formData[$uploadField . 'Meta'] = $uploadResult['metaData'];
// if current field is mandatory check if everything has been done
if ($isMandatory && $formData[$uploadField] === false) {
// mandatory upload has not been completed successfully
return false;
}
// upload succeeded
}
return $formData;
}