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<?php |
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/** |
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* _ __ __ _____ _____ ___ ____ _____ |
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* | | / // // ___//_ _// || __||_ _| |
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* | |/ // /(__ ) / / / /| || | | | |
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* |___//_//____/ /_/ /_/ |_||_| |_| |
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* @link http://vistart.name/ |
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* @copyright Copyright (c) 2016 vistart |
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* @license http://vistart.name/license/ |
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*/ |
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namespace vistart\Models\traits; |
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use yii\behaviors\BlameableBehavior; |
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use yii\caching\TagDependency; |
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/** |
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* 该 Trait 用于处理属于用户的实例。包括以下功能: |
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* 1.单列内容;多列内容待定; |
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* 2.内容类型;具体类型应当自定义; |
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* 3.内容规则;自动生成; |
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* 4.归属用户 GUID; |
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* 5.创建用户 GUID; |
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* 6.上次更新用户 GUID; |
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* 7.确认功能由 ConfirmationTrait 提供; |
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* 8.实例功能由 EntityTrait 提供。 |
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* @property-read array $blameableAttributeRules Get all rules associated with |
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* blameable. |
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* @property array $blameableRules Get or set all the rules associated with |
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* creator, updater, content and its ID, as well as all the inherited rules. |
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* @property array $blameableBehaviors Get or set all the behaviors assoriated |
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* with creator and updater, as well as all the inherited behaviors. |
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* @property-read array $descriptionRules Get description property rules. |
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* @property-read mixed $content Content. |
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* @property-read boolean $contentCanBeEdited Whether this content could be edited. |
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* @property-read array $contentRules Get content rules. |
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* @property-read \vistart\Models\models\BaseUserModel $user |
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* @property-read \vistart\Models\models\BaseUserModel $updater |
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* @version 2.0 |
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* @author vistart <[email protected]> |
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*/ |
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trait BlameableTrait |
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{ |
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use ConfirmationTrait, |
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SelfBlameableTrait; |
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private $blameableLocalRules = []; |
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private $blameableLocalBehaviors = []; |
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/** |
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* @var boolean|string|array Specify the attribute(s) name of content(s). If |
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* there is only one content attribute, you can assign its name. Or there |
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* is multiple attributes associated with contents, you can assign their |
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* names in array. If you don't want to use this feature, please assign |
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* false. |
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* For example: |
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* ```php |
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* public $contentAttribute = 'comment'; // only one field named as 'comment'. |
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* ``` |
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* or |
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* ```php |
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* public $contentAttribute = ['year', 'month', 'day']; // multiple fields. |
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* ``` |
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* or |
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* ```php |
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* public $contentAttribute = false; // no need of this feature. |
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* ``` |
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* If you don't need this feature, you should add rules corresponding with |
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* `content` in `rules()` method of your user model by yourself. |
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*/ |
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public $contentAttribute = 'content'; |
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/** |
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* @var array built-in validator name or validatation method name and |
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* additional parameters. |
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*/ |
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public $contentAttributeRule = ['string', 'max' => 255]; |
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/** |
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* @var boolean|string Specify the field which stores the type of content. |
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*/ |
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public $contentTypeAttribute = false; |
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/** |
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* @var boolean|array Specify the logic type of content, not data type. If |
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* your content doesn't need this feature. please specify false. If the |
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* $contentAttribute is specified to false, this attribute will be skipped. |
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* ```php |
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* public $contentTypes = [ |
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* 'public', |
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* 'private', |
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* 'friend', |
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* ]; |
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* ``` |
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*/ |
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public $contentTypes = false; |
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/** |
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* @var boolean|string This attribute speicfy the name of description |
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* attribute. If this attribute is assigned to false, this feature will be |
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* skipped. |
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*/ |
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public $descriptionAttribute = false; |
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/** |
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* @var string |
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*/ |
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public $initDescription = ''; |
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/** |
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* @var string the attribute that will receive current user ID value. This |
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* attribute must be assigned. |
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*/ |
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public $createdByAttribute = "user_guid"; |
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/** |
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* @var string the attribute that will receive current user ID value. |
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* Set this property to false if you do not want to record the updater ID. |
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*/ |
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public $updatedByAttribute = "user_guid"; |
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/** |
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* @var boolean Add combinated unique rule if assigned to true. |
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*/ |
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public $idCreatorCombinatedUnique = true; |
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/** |
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* @var boolean|string The name of user class which own the current entity. |
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* If this attribute is assigned to false, this feature will be skipped, and |
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* when you use create() method of UserTrait, it will be assigned with |
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* current user class. |
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*/ |
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public $userClass; |
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public static $cacheKeyBlameableRules = 'blameable_rules'; |
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public static $cacheTagBlameableRules = 'tag_blameable_rules'; |
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public static $cacheKeyBlameableBehaviors = 'blameable_behaviors'; |
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public static $cacheTagBlameableBehaviors = 'tag_blameable_behaviors'; |
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/** |
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* @inheritdoc |
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*/ |
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public function rules() |
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{ |
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return $this->getBlameableRules(); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function behaviors() |
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{ |
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return $this->getBlameableBehaviors(); |
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} |
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/** |
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* Get total of contents which owned by their owner. |
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* @return integer |
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*/ |
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public function count() |
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{ |
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$createdByAttribute = $this->createdByAttribute; |
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return static::find()->where([$createdByAttribute => $this->$createdByAttribute])->count(); |
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} |
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/** |
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* Get content. |
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* @return mixed |
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*/ |
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public function getContent() |
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{ |
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$contentAttribute = $this->contentAttribute; |
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if ($contentAttribute === false) { |
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return null; |
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} |
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if (is_array($contentAttribute)) { |
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$content = []; |
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foreach ($contentAttribute as $key => $value) { |
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$content[$key] = $this->$value; |
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} |
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return $content; |
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} |
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return $this->$contentAttribute; |
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} |
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/** |
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* Set content. |
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* @param mixed $content |
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*/ |
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public function setContent($content) |
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{ |
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$contentAttribute = $this->contentAttribute; |
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if ($contentAttribute === false) { |
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return; |
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} |
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if (is_array($contentAttribute)) { |
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foreach ($contentAttribute as $key => $value) { |
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$this->$value = $content[$key]; |
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} |
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return; |
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} |
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$this->$contentAttribute = $content; |
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} |
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/** |
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* Determines whether content could be edited. Your should implement this |
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* method by yourself. |
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* @return boolean |
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* @throws \yii\base\NotSupportedException |
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*/ |
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public function getContentCanBeEdited() |
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{ |
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if ($this->contentAttribute === false) { |
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return false; |
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} |
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throw new \yii\base\NotSupportedException("This method is not implemented."); |
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} |
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/** |
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* Check it has been ever edited. |
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* @return boolean Whether this content has ever been edited. |
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*/ |
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public function hasEverEdited() |
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{ |
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$createdAtAttribute = $this->createdByAttribute; |
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$updatedAtAttribute = $this->updatedByAttribute; |
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if (!$createdAtAttribute || !$updatedAtAttribute) { |
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return false; |
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} |
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return $this->$createdAtAttribute === $this->$updatedAtAttribute; |
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} |
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/** |
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* Get blameable rules cache key. |
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* @return string cache key. |
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*/ |
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public function getBlameableRulesCacheKey() |
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{ |
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return static::className() . $this->cachePrefix . static::$cacheKeyBlameableRules; |
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} |
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/** |
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* Get blameable rules cache tag. |
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* @return string cache tag |
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*/ |
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public function getBlameableRulesCacheTag() |
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{ |
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return static::className() . $this->cachePrefix . static::$cacheTagBlameableRules; |
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} |
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/** |
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* Get the rules associated with content to be blamed. |
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* @return array rules. |
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*/ |
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public function getBlameableRules() |
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{ |
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$cache = $this->getCache(); |
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if ($cache) { |
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$this->blameableLocalRules = $cache->get($this->getBlameableRulesCacheKey()); |
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} |
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// 若当前规则不为空,且是数组,则认为是规则数组,直接返回。 |
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if (!empty($this->blameableLocalRules) && is_array($this->blameableLocalRules)) { |
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return $this->blameableLocalRules; |
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} |
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// 父类规则与确认规则合并。 |
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if ($cache) { |
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TagDependency::invalidate($cache, [$this->getEntityRulesCacheTag()]); |
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} |
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$rules = array_merge( |
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parent::rules(), |
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$this->getConfirmationRules(), |
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$this->getBlameableAttributeRules(), |
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$this->getDescriptionRules(), |
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$this->getContentRules(), |
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$this->getSelfBlameableRules() |
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); |
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$this->setBlameableRules($rules); |
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return $this->blameableLocalRules; |
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} |
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/** |
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* Get the rules associated with `createdByAttribute`, `updatedByAttribute` |
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* and `idAttribute`-`createdByAttribute` combination unique. |
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* @return array rules. |
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*/ |
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public function getBlameableAttributeRules() |
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{ |
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$rules = []; |
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// 创建者和上次修改者由 BlameableBehavior 负责,因此标记为安全。 |
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if (!is_string($this->createdByAttribute) || empty($this->createdByAttribute)) { |
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throw new \yii\base\NotSupportedException('You must assign the creator.'); |
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} |
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$rules[] = [ |
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[$this->createdByAttribute], |
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'safe', |
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]; |
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if (is_string($this->updatedByAttribute) && !empty($this->updatedByAttribute)) { |
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1 |
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$rules[] = [ |
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[$this->updatedByAttribute], |
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'safe', |
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]; |
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} |
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if ($this->idCreatorCombinatedUnique && is_string($this->idAttribute)) { |
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$rules [] = [ |
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[$this->idAttribute, |
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$this->createdByAttribute], |
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'unique', |
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'targetAttribute' => [$this->idAttribute, |
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$this->createdByAttribute], |
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]; |
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} |
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return $rules; |
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} |
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/** |
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* Get the rules associated with `description` attribute. |
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* @return array rules. |
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*/ |
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6 |
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public function getDescriptionRules() |
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{ |
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6 |
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$rules = []; |
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6 |
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if (is_string($this->descriptionAttribute) && !empty($this->descriptionAttribute)) { |
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1 |
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$rules[] = [ |
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1 |
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[$this->descriptionAttribute], |
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'string' |
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1 |
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]; |
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$rules[] = [ |
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1 |
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[$this->descriptionAttribute], |
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1 |
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'default', |
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'value' => $this->initDescription, |
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]; |
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} |
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return $rules; |
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} |
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/** |
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* Get the rules associated with `content` and `contentType` attributes. |
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* @return array rules. |
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*/ |
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6 |
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public function getContentRules() |
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{ |
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6 |
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if (!$this->contentAttribute) { |
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return []; |
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} |
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4 |
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$rules = []; |
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4 |
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$rules[] = [[ |
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$this->contentAttribute], |
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'required']; |
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if ($this->contentAttributeRule) { |
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if (is_string($this->contentAttributeRule)) { |
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$this->contentAttributeRule = [$this->contentAttributeRule]; |
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} |
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4 |
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if (is_array($this->contentAttributeRule)) { |
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$rules[] = array_merge([$this->contentAttribute], $this->contentAttributeRule); |
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4 |
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} |
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4 |
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} |
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4 |
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if (!$this->contentTypeAttribute) { |
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return $rules; |
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} |
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if (is_array($this->contentTypes) && !empty($this->contentTypes)) { |
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$rules[] = [[ |
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2 |
|
$this->contentTypeAttribute], |
368
|
2 |
|
'required']; |
369
|
2 |
|
$rules[] = [[ |
370
|
2 |
|
$this->contentTypeAttribute], |
371
|
2 |
|
'in', |
372
|
2 |
|
'range' => array_keys($this->contentTypes)]; |
373
|
2 |
|
} |
374
|
2 |
|
return $rules; |
375
|
|
|
} |
376
|
|
|
|
377
|
|
|
/** |
378
|
|
|
* Set blameable rules. |
379
|
|
|
* @param array $rules |
380
|
|
|
*/ |
381
|
6 |
|
protected function setBlameableRules($rules = []) |
382
|
|
|
{ |
383
|
6 |
|
$this->blameableLocalRules = $rules; |
384
|
6 |
|
$cache = $this->getCache(); |
|
|
|
|
385
|
6 |
|
if ($cache) { |
386
|
6 |
|
$tagDependency = new \yii\caching\TagDependency(['tags' => [$this->getBlameableRulesCacheTag()]]); |
387
|
6 |
|
$cache->set($this->getBlameableRulesCacheKey(), $rules, 0, $tagDependency); |
388
|
6 |
|
} |
389
|
6 |
|
} |
390
|
|
|
|
391
|
|
|
/** |
392
|
|
|
* Get blameable behaviors cache key. |
393
|
|
|
* @return string cache key. |
394
|
|
|
*/ |
395
|
25 |
|
public function getBlameableBehaviorsCacheKey() |
396
|
|
|
{ |
397
|
25 |
|
return static::className() . $this->cachePrefix . static::$cacheKeyBlameableBehaviors; |
398
|
|
|
} |
399
|
|
|
|
400
|
|
|
/** |
401
|
|
|
* Get blameable behaviors cache tag. |
402
|
|
|
* @return string cache tag. |
403
|
|
|
*/ |
404
|
6 |
|
public function getBlameableBehaviorsCacheTag() |
405
|
|
|
{ |
406
|
6 |
|
return static::className() . $this->cachePrefix . static::$cacheTagBlameableBehaviors; |
407
|
|
|
} |
408
|
|
|
|
409
|
|
|
/** |
410
|
|
|
* Get blameable behaviors. If current behaviors array is empty, the init |
411
|
|
|
* array will be given. |
412
|
|
|
* @return array |
413
|
|
|
*/ |
414
|
25 |
|
public function getBlameableBehaviors() |
415
|
|
|
{ |
416
|
25 |
|
$cache = $this->getCache(); |
|
|
|
|
417
|
25 |
|
if ($cache) { |
418
|
25 |
|
$this->blameableLocalBehaviors = $cache->get($this->getBlameableBehaviorsCacheKey()); |
419
|
25 |
|
} |
420
|
25 |
|
if (empty($this->blameableLocalBehaviors) || !is_array($this->blameableLocalBehaviors)) { |
421
|
6 |
|
if ($cache) { |
422
|
6 |
|
TagDependency::invalidate($cache, [$this->getEntityBehaviorsCacheTag()]); |
|
|
|
|
423
|
6 |
|
} |
424
|
6 |
|
$behaviors = parent::behaviors(); |
|
|
|
|
425
|
6 |
|
$behaviors['blameable'] = [ |
426
|
6 |
|
'class' => BlameableBehavior::className(), |
427
|
6 |
|
'createdByAttribute' => $this->createdByAttribute, |
428
|
6 |
|
'updatedByAttribute' => $this->updatedByAttribute, |
429
|
6 |
|
'value' => [$this, |
430
|
6 |
|
'onGetCurrentUserGuid'], |
431
|
|
|
]; |
432
|
6 |
|
$this->setBlameableBehaviors($behaviors); |
433
|
6 |
|
} |
434
|
25 |
|
return $this->blameableLocalBehaviors; |
435
|
|
|
} |
436
|
|
|
|
437
|
|
|
/** |
438
|
|
|
* Set blameable behaviors. |
439
|
|
|
* @param array $behaviors |
440
|
|
|
*/ |
441
|
6 |
|
protected function setBlameableBehaviors($behaviors = []) |
442
|
|
|
{ |
443
|
6 |
|
$this->blameableLocalBehaviors = $behaviors; |
444
|
6 |
|
$cache = $this->getCache(); |
|
|
|
|
445
|
6 |
|
if ($cache) { |
446
|
6 |
|
$tagDependencyConfig = ['tags' => [$this->getBlameableBehaviorsCacheTag()]]; |
447
|
6 |
|
$tagDependency = new \yii\caching\TagDependency($tagDependencyConfig); |
448
|
6 |
|
$cache->set($this->getBlameableBehaviorsCacheKey(), $behaviors, 0, $tagDependency); |
449
|
6 |
|
} |
450
|
6 |
|
} |
451
|
|
|
|
452
|
|
|
/** |
453
|
|
|
* Set description. |
454
|
|
|
* @return string description. |
455
|
|
|
*/ |
456
|
|
|
public function getDescription() |
457
|
|
|
{ |
458
|
|
|
$descAttribute = $this->descriptionAttribute; |
459
|
|
|
return is_string($descAttribute) ? $this->$descAttribute : null; |
460
|
|
|
} |
461
|
|
|
|
462
|
|
|
/** |
463
|
|
|
* Get description. |
464
|
|
|
* @param string $desc description. |
465
|
|
|
* @return string|null description if enabled, or null if disabled. |
466
|
|
|
*/ |
467
|
|
|
public function setDescription($desc) |
468
|
|
|
{ |
469
|
|
|
$descAttribute = $this->descriptionAttribute; |
470
|
|
|
return is_string($descAttribute) ? $this->$descAttribute = $desc : null; |
471
|
|
|
} |
472
|
|
|
|
473
|
|
|
/** |
474
|
|
|
* Get blame. |
475
|
|
|
* @return \vistart\Models\queries\BaseUserQuery user. |
476
|
|
|
*/ |
477
|
1 |
|
public function getUser() |
478
|
|
|
{ |
479
|
1 |
|
$userClass = $this->userClass; |
480
|
1 |
|
$model = $userClass::buildNoInitModel(); |
481
|
1 |
|
return $this->hasOne($userClass::className(), [$model->guidAttribute => $this->createdByAttribute]); |
|
|
|
|
482
|
|
|
} |
483
|
|
|
|
484
|
1 |
|
public function getUpdater() |
485
|
|
|
{ |
486
|
1 |
|
if (!is_string($this->updatedByAttribute)) { |
487
|
1 |
|
return null; |
488
|
|
|
} |
489
|
|
|
$userClass = $this->userClass; |
490
|
|
|
$model = $userClass::buildNoInitModel(); |
491
|
|
|
return $this->hasOne($userClass::className(), [$model->guidAttribute => $this->updatedByAttribute]); |
|
|
|
|
492
|
|
|
} |
493
|
|
|
|
494
|
|
|
/** |
495
|
|
|
* This event is triggered before the model update. |
496
|
|
|
* This method is ONLY used for being triggered by event. DO NOT call, |
497
|
|
|
* override or modify it directly, unless you know the consequences. |
498
|
|
|
* @param \yii\base\Event $event |
499
|
|
|
*/ |
500
|
9 |
|
public function onContentChanged($event) |
501
|
|
|
{ |
502
|
9 |
|
$sender = $event->sender; |
503
|
9 |
|
$sender->resetConfirmation(); |
504
|
9 |
|
} |
505
|
|
|
|
506
|
|
|
/** |
507
|
|
|
* Return the current user's GUID if current model doesn't specify the owner |
508
|
|
|
* yet, or return the owner's GUID if current model has been specified. |
509
|
|
|
* This method is ONLY used for being triggered by event. DO NOT call, |
510
|
|
|
* override or modify it directly, unless you know the consequences. |
511
|
|
|
* @param \yii\base\Event $event |
512
|
|
|
* @return string the GUID of current user or the owner. |
513
|
|
|
*/ |
514
|
25 |
|
public function onGetCurrentUserGuid($event) |
515
|
|
|
{ |
516
|
25 |
|
$sender = $event->sender; |
517
|
25 |
|
if (isset($sender->attributes[$sender->createdByAttribute])) { |
518
|
25 |
|
return $sender->attributes[$sender->createdByAttribute]; |
519
|
|
|
} |
520
|
|
|
$identity = \Yii::$app->user->identity; |
521
|
|
|
if ($identity) { |
522
|
|
|
$igAttribute = $identity->guidAttribute; |
523
|
|
|
return $identity->$igAttribute; |
524
|
|
|
} |
525
|
|
|
} |
526
|
|
|
|
527
|
|
|
/** |
528
|
|
|
* Initialize type of content. the first of element[index is 0] of |
529
|
|
|
* $contentTypes will be used. |
530
|
|
|
* @param \yii\base\Event $event |
531
|
|
|
*/ |
532
|
24 |
|
public function onInitContentType($event) |
533
|
|
|
{ |
534
|
24 |
|
$sender = $event->sender; |
535
|
24 |
|
if (!isset($sender->contentTypeAttribute) || !is_string($sender->contentTypeAttribute)) { |
536
|
17 |
|
return; |
537
|
|
|
} |
538
|
7 |
|
$contentTypeAttribute = $sender->contentTypeAttribute; |
539
|
7 |
|
if (!isset($sender->$contentTypeAttribute) && |
540
|
7 |
|
!empty($sender->contentTypes) && |
541
|
7 |
|
is_array($sender->contentTypes)) { |
542
|
7 |
|
$sender->$contentTypeAttribute = $sender->contentTypes[0]; |
543
|
7 |
|
} |
544
|
7 |
|
} |
545
|
|
|
|
546
|
|
|
/** |
547
|
|
|
* Initialize description property with $initDescription. |
548
|
|
|
* @param \yii\base\Event $event |
549
|
|
|
*/ |
550
|
25 |
|
public function onInitDescription($event) |
551
|
|
|
{ |
552
|
25 |
|
$sender = $event->sender; |
553
|
25 |
|
if (!isset($sender->descriptionAttribute) || !is_string($sender->descriptionAttribute)) { |
554
|
19 |
|
return; |
555
|
|
|
} |
556
|
6 |
|
$descriptionAttribute = $sender->descriptionAttribute; |
557
|
6 |
|
if (empty($sender->$descriptionAttribute)) { |
558
|
6 |
|
$sender->$descriptionAttribute = $sender->initDescription; |
559
|
6 |
|
} |
560
|
6 |
|
} |
561
|
|
|
|
562
|
|
|
/** |
563
|
|
|
* Attach events associated with blameable model. |
564
|
|
|
*/ |
565
|
25 |
|
public function initBlameableEvents() |
566
|
|
|
{ |
567
|
25 |
|
$this->on(static::$eventConfirmationChanged, [$this, "onConfirmationChanged"]); |
|
|
|
|
568
|
25 |
|
$this->on(static::$eventNewRecordCreated, [$this, "onInitConfirmation"]); |
|
|
|
|
569
|
25 |
|
$contentTypeAttribute = $this->contentTypeAttribute; |
570
|
25 |
|
if (!isset($this->$contentTypeAttribute)) { |
571
|
24 |
|
$this->on(static::$eventNewRecordCreated, [$this, "onInitContentType"]); |
|
|
|
|
572
|
24 |
|
} |
573
|
25 |
|
$descriptionAttribute = $this->descriptionAttribute; |
574
|
25 |
|
if (!isset($this->$descriptionAttribute)) { |
575
|
25 |
|
$this->on(static::$eventNewRecordCreated, [$this, 'onInitDescription']); |
|
|
|
|
576
|
25 |
|
} |
577
|
25 |
|
$this->on(static::EVENT_BEFORE_UPDATE, [$this, "onContentChanged"]); |
|
|
|
|
578
|
25 |
|
$this->initSelfBlameableEvents(); |
579
|
25 |
|
} |
580
|
|
|
} |
581
|
|
|
|
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: