/**
* 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;
}
protected function deleteAllChildren()
{
$children = $this->_wiki->getChildrenAll();
foreach ($children as $child) {
if ($child->delete() === false) {
throw new DbException('Cannot delete child wiki id: ' . $child->id);
}
}
}
/**
* Autocomplete wiki title.
* @param integer $ign ignore suggests from wiki page id
* @param string $q
*/
public function actionWikiSuggest($ign = '', $q = '')
{
Yii::$app->response->format = Response::FORMAT_JSON;
$query = Wiki::find()->andFilterWhere(['like', 'title', $q])->orderBy('title')->limit(10);
if ($ign) {
/** @var $wiki Wiki */
$wiki = $this->findModel(Wiki::className(), $ign);
$children = $wiki->getChildrenAll(function ($query) {
$query->select('id');
});
$childrenIds = array_map(function ($child) {
return $child->id;
}, $children);
$query->where(['!=', 'id', $wiki->id])->andWhere(['not in', 'id', $childrenIds]);
}
$wikis = $query->all();
return array_map(function (Wiki $wiki) {
return ['id' => $wiki->id, 'text' => $wiki->title];
}, $wikis);
}
/**
* @return ActiveQuery
*/
public function getWiki()
{
return $this->hasOne(Wiki::className(), ['id' => 'wiki_id']);
}