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<?php |
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namespace app\backend\actions; |
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use app; |
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use yii; |
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use yii\base\Action; |
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use yii\base\InvalidConfigException; |
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class JSSelectableTreeGetTree extends Action |
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{ |
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public $modelName = null; |
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public $label_attribute = 'name'; |
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public $parent_attribute = 'parent_id'; |
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public $additional_search_conditions = []; |
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public $query_parent_attribute = 'id'; |
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public $vary_by_type_attribute = 'show_type'; |
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public $order = []; |
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View Code Duplication |
public function init() |
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{ |
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if (!isset($this->modelName)) { |
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throw new InvalidConfigException("Model name should be set in controller actions"); |
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} |
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if (!class_exists($this->modelName)) { |
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throw new InvalidConfigException("Model class does not exists"); |
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} |
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} |
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public function run() |
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{ |
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if (!isset($_GET[$this->query_parent_attribute])) { |
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throw new yii\web\NotFoundHttpException; |
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} |
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$modelName = $this->modelName; |
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$selectedItems = Yii::$app->request->get('selectedItems', []); |
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if (!empty($selectedItems)) { |
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$selectedItems = explode(',', $selectedItems); |
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} |
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$parents = [0]; |
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$ids = $selectedItems; |
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$q = new yii\db\Query; |
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$q->select('parent_id') |
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->from($modelName::tableName()); |
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while (!empty($ids)) { |
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$q->where(['id' => $ids]); |
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$result = $q->all(); |
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$ids = []; |
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foreach ($result as $row) { |
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if (!in_array($row['parent_id'], $parents)) { |
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$parents[] = $row['parent_id']; |
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} |
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if ($row['parent_id'] != 0 && !in_array($row['parent_id'], $ids)) { |
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$ids[] = $row['parent_id']; |
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} |
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} |
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} |
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$q = null; |
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$ids = null; |
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// |
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Yii::$app->response->format = yii\web\Response::FORMAT_JSON; |
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$query = new yii\db\Query; |
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$fields = 'id, '.$this->label_attribute.', '.$this->parent_attribute; |
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if (isset($this->vary_by_type_attribute)) { |
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$fields .= ', '.$this->vary_by_type_attribute; |
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} |
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if (isset($this->expand_in_admin_attribute)) { |
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$fields .= ', '.$this->expand_in_admin_attribute; |
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} |
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$fields .= ', ('; |
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$fields .= 'SELECT count(id) FROM '.$modelName::tableName().' counter '; |
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$fields .= 'WHERE counter.parent_id = '.$modelName::tableName().'.id)'; |
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$fields .= " AS 'children_count'"; |
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$query->select($fields) |
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->from($modelName::tableName()) |
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->where([$this->parent_attribute => $_GET[$this->query_parent_attribute]]) |
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->andWhere($this->additional_search_conditions) |
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->orderBy($this->order); |
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$rows = $query |
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->all(); |
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$result = []; |
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foreach ($rows as $row) { |
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$item = [ |
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'id' => $row['id'], |
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'text' => $row[$this->label_attribute], |
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]; |
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if (isset($this->vary_by_type_attribute)) { |
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$item['type'] = $row[$this->vary_by_type_attribute]; |
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} |
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$item['children'] = $row['children_count'] > 0; |
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$item['a_attr'] = ['data-id'=>$row['id'], 'data-parent-id'=>$row['parent_id']]; |
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$item['state'] = []; |
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if (in_array($row['id'], $parents)) { |
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$item['state']['opened'] = true; |
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} |
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if (is_array($selectedItems) && in_array($row['id'], $selectedItems)) { |
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$item['state']['selected'] = true; |
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} |
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if (isset($this->expand_in_admin_attribute)) { |
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if ($row[$this->expand_in_admin_attribute]) { |
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$item['state']['opened'] = true; |
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} |
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} |
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if (isset($_GET['selected_id']) && $item['id'] == $_GET['selected_id']) { |
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$item['state']['selected'] = true; |
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} |
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if (count($item['state']) == 0) { |
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unset($item['state']); |
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} |
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$result[] = $item; |
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} |
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return $result; |
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} |
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} |
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This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.
Both the
$myVarassignment in line 1 and the$higherassignment in line 2 are dead. The first because$myVaris never used and the second because$higheris always overwritten for every possible time line.