public function createRevision()
{
$rev = new WikiPageRevision();
$rev->user_id = Yii::app()->user->id;
$rev->revision = time();
$lastRevision = WikiPageRevision::model()->findByAttributes(array('is_latest' => 1, 'wiki_page_id' => $this->id));
if ($lastRevision !== null) {
$rev->content = $lastRevision->content;
}
if (!$this->isNewRecord) {
$rev->wiki_page_id = $this->id;
}
return $rev;
}
/**
* Displays difference between two page revisions
*
* @param string $uid unique wiki id
* @param string $rev1 page revision
* @param string $rev2 page revision
*/
public function actionDiff($uid, $rev1, $rev2)
{
$r1 = WikiPageRevision::model()->findByPk($rev1);
if (!$r1) {
throw new CHttpException(404);
}
$r2 = WikiPageRevision::model()->findByPk($rev2);
if (!$r2) {
throw new CHttpException(404);
}
$this->render('diff', array('diff' => TextDiff::compare($r1->content, $r2->content), 'r1' => $r1, 'r2' => $r2, 'uid' => $uid));
}
public function afterSave()
{
WikiPageRevision::model()->updateAll(array('is_latest' => 0), 'wiki_page_id=:wikiPageId AND id!=:selfId', array(':wikiPageId' => $this->wiki_page_id, ':selfId' => $this->id));
return parent::afterSave();
}
public function actionRevert()
{
$this->forcePostRequest();
$id = (int) Yii::app()->request->getQuery('id');
$toRevision = (int) Yii::app()->request->getQuery('toRevision');
$page = WikiPage::model()->contentContainer($this->contentContainer)->findByPk($id);
if ($page === null) {
throw new CHttpException(404, 'Page not found!');
}
if ($page->admin_only && !$page->canAdminister()) {
throw new CHttpException(403, 'Page not editable!');
}
$revision = WikiPageRevision::model()->findByAttributes(array('revision' => $toRevision, 'wiki_page_id' => $page->id));
if ($revision->is_latest) {
throw new CHttpException(404, 'Already latest revision!');
}
$revertedRevision = $page->createRevision();
$revertedRevision->content = $revision->content;
$revertedRevision->save();
$this->redirect($this->createContainerUrl('view', array('title' => $page->title)));
}