View file upload/library/XenForo/LikeHandler/ProfilePostComment.php

<?php

/**
 * Handler for the specific profile post comment-related like aspects.
 *
 * @package XenForo_Like
 */
class XenForo_LikeHandler_ProfilePostComment extends XenForo_LikeHandler_Abstract
{
	/**
	 * Increments the like counter.
	 * @see XenForo_LikeHandler_Abstract::incrementLikeCounter()
	 */
	public function incrementLikeCounter($contentId, array $latestLikes, $adjustAmount = 1)
	{
		$dw = XenForo_DataWriter::create('XenForo_DataWriter_ProfilePostComment');
		if ($dw->setExistingData($contentId))
		{
			$dw->set('likes', $dw->get('likes') + $adjustAmount);
			$dw->set('like_users', $latestLikes);
			$dw->save();
		}
	}

	/**
	 * Gets content data (if viewable).
	 * @see XenForo_LikeHandler_Abstract::getContentData()
	 */
	public function getContentData(array $contentIds, array $viewingUser)
	{
		/** @var XenForo_Model_ProfilePost $profilePostModel */
		$profilePostModel = XenForo_Model::create('XenForo_Model_ProfilePost');

		$comments = $profilePostModel->getProfilePostCommentsByIds($contentIds);

		$profilePostIds = XenForo_Application::arrayColumn($comments, 'profile_post_id');
		$profilePosts = $profilePostModel->getProfilePostsByIds($profilePostIds, array(
			'join' => XenForo_Model_ProfilePost::FETCH_USER_RECEIVER
				| XenForo_Model_ProfilePost::FETCH_USER_RECEIVER_PRIVACY
				| XenForo_Model_ProfilePost::FETCH_USER_POSTER,
			'visitingUser' => $viewingUser
		));
		foreach ($comments AS $key => &$comment)
		{
			if (isset($profilePosts[$comment['profile_post_id']]))
			{
				$comment['profilePost'] = $profilePosts[$comment['profile_post_id']];
				$comment['profileUser'] = $profilePostModel->getProfileUserFromProfilePost($comment['profilePost'], $viewingUser);

				if (!$comment['profilePost'] || !$comment['profileUser'])
				{
					unset($comments[$key]);
					continue;
				}

				if (!$profilePostModel->canViewProfilePostAndContainer($comment['profilePost'], $comment['profileUser'], $null, $viewingUser))
				{
					unset($comments[$key]);
				}
			}
			else
			{
				unset($comments[$key]);
			}
		}
		return $comments;
	}

	/**
	 * @see XenForo_LikeHandler_Abstract::batchUpdateContentUser()
	 */
	public function batchUpdateContentUser($oldUserId, $newUserId, $oldUsername, $newUsername)
	{
		$profilePostModel = XenForo_Model::create('XenForo_Model_ProfilePost');
		$profilePostModel->batchUpdateProfilePostCommentLikeUser($oldUserId, $newUserId, $oldUsername, $newUsername);
	}

	/**
	 * Gets the name of the template that will be used when listing likes of this type.
	 *
	 * @return string news_feed_item_profile_post_like
	 */
	public function getListTemplateName()
	{
		return 'news_feed_item_profile_post_comment_like';
	}
}