public function edit()
{
$userInfo = User::model()->findByPk(Yii::app()->user->id);
$userInfo->credit += $this->credit;
$this->attributes = $_POST['Question'];
$this->updateTime = date("Y-m-d H:i:s");
if (!$this->validate() || !$this->save()) {
return false;
}
$userInfo->credit -= $this->credit;
if (!$userInfo->save()) {
return false;
}
$_old = QueTag::model()->findAll('questionId=:qid', array(':qid' => $this->id));
$_oldTags = array();
foreach ($_old as $key => $quetag) {
$_oldTags[] = Tag::model()->findByPk($quetag->tagId)->name;
}
$_tagArray = explode(',', $_POST['Question']['tags']);
$_delTags = array_diff($_oldTags, $_tagArray);
$_newTags = array_diff($_tagArray, $_oldTags);
$tagModel = Tag::model();
foreach ($_newTags as $key => $name) {
$tag = $tagModel->find('name=:n', array(':n' => $name));
if ($tag == NULL) {
$tag = new Tag();
$tag->name = $name;
} else {
$tag->frequency++;
}
if (!$tag->save()) {
return false;
}
$queTag = new QueTag();
$queTag->questionId = $this->id;
$queTag->tagId = $tag->id;
if (!$queTag->save()) {
return false;
}
}
foreach ($_delTags as $key => $name) {
$tag = Tag::model()->find('name=:name', array(':name' => $name));
$tag->frequency--;
if (!$tag->save()) {
return false;
}
$queTag = QueTag::model()->find('questionId=:qid and tagId=:tid', array(':qid' => $this->id, ':tid' => $tag->id));
if (!$queTag->delete()) {
return false;
}
}
Yii::app()->user->setFlash('success', '问题修改成功~');
return true;
}
