/**
* Shows the latest modification made to a post
*/
public function historyAction($id = 0)
{
$this->view->disable();
/**
* Find the post using get
*/
$post = Posts::findFirstById($id);
if (!$post) {
$this->flashSession->error('The discussion does not exist');
return $this->response->redirect();
}
$a = explode("\n", $post->content);
$first = true;
$parameters = ['posts_id = ?0', 'bind' => [$post->id], 'order' => 'created_at DESC'];
/** @var PostsHistory[] $postHistories */
$postHistories = PostsHistory::find($parameters);
if (count($postHistories) > 1) {
foreach ($postHistories as $postHistory) {
if ($first) {
$first = false;
continue;
}
break;
}
} else {
$postHistory = $postHistories->getFirst();
}
if (is_object($postHistory)) {
$b = explode("\n", $postHistory->content);
$diff = new \Diff($b, $a, []);
$renderer = new \Diff_Renderer_Html_SideBySide();
echo $diff->Render($renderer);
} else {
$this->flash->notice('No history available to show');
}
}
public function afterSave()
{
$this->clearCache();
$history = new PostsHistory();
$history->posts_id = $this->id;
$history->users_id = $this->getDI()->getSession()->get('identity');
$history->content = $this->content;
$history->save();
}
public function getDifference()
{
$history = PostsHistory::findLast($this);
if (!$history->valid()) {
return false;
}
if ($history->count() > 1) {
$history = $history->offsetGet(1);
} else {
$history = $history->getFirst();
}
/** @var PostsHistory $history */
$b = explode("\n", $history->content);
$diff = new Diff($b, explode("\n", $this->content), []);
$difference = $diff->render(new SideBySide());
return $difference;
}