gistfile1.txt

_ProcessService.php

public function setupForProcess($feed, $feedData) ...

    // If our duplication handling is to delete - we delete all elements
    // If our duplication handling is to unpublish - we unpublish all elements
		if (FeedMeDuplicate::isDelete($feed) || FeedMeDuplicate::isUnpublish($feed)) {
			$criteria = $this->_service->setCriteria($feed);

			$return['existingElements'] = $criteria->ids();
		}
    ...
    
public function finalizeAfterProcess($settings, $feed) {

		if (FeedMeDuplicate::isUnpublish($feed)) {
			$UnpublishIds = array_diff($settings['existingElements'], $this->_processedElements);
			$criteria = $this->_service->setCriteria($feed);
			$criteria->id = $UnpublishIds;
			$elementsToUnpublish = $criteria->find();

			if ($elementsToUnpublish) {

				foreach ($elementsToUnpublish as $entry) {

					if (!$entry->enabled) {
						// Skip already disabled entries
						continue;
					}
					$entry->enabled = false;

					if (!craft()->entries->saveEntry($entry)) {
						FeedMePlugin::log($feed->name . ': The following element could not been unpublished: '. $entry->id, LogLevel::Info, true);
					}
				}
			}
		}