/**
* Validate and save wiki page.
* @return Wiki|false
*/
public function save()
{
$this->trigger(self::EVENT_BEFORE_UPDATE);
if (!$this->validate()) {
return false;
}
$transaction = Yii::$app->db->beginTransaction();
try {
$isNew = $this->isNew();
// Preserve New status for later checking.
$this->_wiki->title = $this->title;
$this->_wiki->slug = $this->slug;
if (!$this->_wiki->save()) {
throw new \yii\db\Exception('Cannot save Wiki model.');
}
// Don't save wiki if content not modified.
if ($isNew || $this->content != $this->getHistoryContent()) {
$history = new History();
$history->wiki_id = $this->_wiki->id;
$history->content = $this->content;
$history->host_ip = isset($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : '';
$history->summary = $this->summary;
if (!$history->save()) {
throw new \yii\db\Exception('Cannot save History model.');
}
}
$transaction->commit();
} catch (\Exception $e) {
$transaction->rollBack();
return false;
}
$this->trigger(self::EVENT_AFTER_UPDATE);
return $this->_wiki;
}
/**
* @return \yii\db\ActiveQuery
*/
public function getHistoryLatest()
{
return $this->hasOne(History::className(), ['wiki_id' => 'id'])->orderBy('rev DESC');
}
/**
* Update wiki page.
* @param integer $id wiki page id
* @param integer $rev history revision id
*/
public function actionUpdate($id, $rev = null)
{
/** @var $wiki Wiki */
$wiki = $this->findModel(Wiki::className(), $id);
if (!Yii::$app->user->can('updateWiki', ['wiki' => $wiki])) {
throw new ForbiddenHttpException();
}
$editor = new Editor($wiki);
if ($rev) {
/** @var $history History */
$history = History::findOne(['wiki_id' => $id, 'rev' => $rev]);
if (!$history) {
$this->addFlash(self::FLASH_WARNING, Yii::t('app', 'Revision not found.'));
}
$editor->content = $history->content;
}
$historyProvider = new ActiveDataProvider(['query' => History::find()->where(['wiki_id' => $id])->orderBy('created_at DESC'), 'pagination' => ['pageSize' => 5]]);
if (Yii::$app->request->isPost) {
$post = Yii::$app->request->post();
if ($editor->load($post) && $editor->save()) {
return $this->redirect(['page/view', 'id' => $editor->getWiki()->id]);
}
}
return $this->render('update', ['editor' => $editor, 'historyProvider' => $historyProvider]);
}