Fix #16

Author: githubjeka

src/controllers/ItemController.php

@@ -82,7 +82,7 @@ public function actionSave()
  {
  $item = null;
 
- if (isset($_POST['ItemForm']['oldName'])) {
+ if (isset($_POST['ItemForm']['oldName']) && $_POST['ItemForm']['oldName'] !== '') {
  $item = $this->findItem($_POST['ItemForm']['oldName']);
  }
 

src/models/ItemForm.php

@@ -76,14 +76,14 @@ public function rules()
  [['name', 'type'], 'required'],
  [
  ['name'],
- 'unique',
+ 'uniqueName',
  'when' => function () {
  return $this->isNewRecord;
  }
  ],
  [
  ['oldName'],
- 'unique',
+ 'uniqueName',
  'when' => function () {
  return !$this->isNewRecord && $this->name != $this->oldName;
  }
@@ -94,7 +94,7 @@ public function rules()
  ];
  }
 
- public function unique()
+ public function uniqueName()
  {
  $authManager = Yii::$app->authManager;
  $value = $this->name;