/**
* @param null $id
* @param null $sentence
* @return array|null|static
* @throws \yii\db\Exception
*/
protected function level1($id = NULL, $sentence = NULL)
{
if ($sentence == NULL) {
$max = Level1::find()->count();
$model = Level1::findOne(['id' => rand(1, $max)]);
return $model;
} else {
$model = Level1::findOne(['id' => $id]);
if (strcmp($this->checkSentence($sentence), $model->eng_phrase) !== 0) {
$model->appeared++;
$model->wrong++;
if (!$model->save()) {
throw new \yii\db\Exception();
}
return ['eng_phrase' => ucfirst($model->eng_phrase), 'status' => false];
} else {
$model->appeared++;
if (!$model->save()) {
throw new \yii\db\Exception();
}
return ['eng_phrase' => ucfirst($model->eng_phrase), 'status' => true];
}
}
}
public static function getAllTranslatedCategory()
{
$all_categories = ArrayHelper::map(\app\models\Level1::find()->all(), 'id', 'name');
foreach ($all_categories as $k => $v) {
$all_categories[$k] = Yii::t('yii', $all_categories[$k]);
}
return $all_categories;
}