From deffc7f2de70308b69b02c9dfafbabf26019e054 Mon Sep 17 00:00:00 2001 From: Klimov Paul Date: Sun, 1 Dec 2013 17:39:50 +0200 Subject: [PATCH] Mongo Active Record reworked to extend BaseActiveRecord. --- extensions/mongo/ActiveRecord.php | 860 +------------------------------------- 1 file changed, 9 insertions(+), 851 deletions(-) diff --git a/extensions/mongo/ActiveRecord.php b/extensions/mongo/ActiveRecord.php index ddbfd2a..9c83080 100644 --- a/extensions/mongo/ActiveRecord.php +++ b/extensions/mongo/ActiveRecord.php @@ -9,10 +9,8 @@ namespace yii\mongo; use yii\base\InvalidConfigException; use yii\base\InvalidParamException; -use yii\base\Model; -use yii\base\ModelEvent; +use yii\db\BaseActiveRecord; use yii\base\UnknownMethodException; -use yii\db\ActiveRelationInterface; use yii\db\StaleObjectException; use yii\helpers\Inflector; use yii\helpers\StringHelper; @@ -23,58 +21,9 @@ use yii\helpers\StringHelper; * @author Paul Klimov * @since 2.0 */ -abstract class ActiveRecord extends Model +abstract class ActiveRecord extends BaseActiveRecord { /** - * @event Event an event that is triggered when the record is initialized via [[init()]]. - */ - const EVENT_INIT = 'init'; - /** - * @event Event an event that is triggered after the record is created and populated with query result. - */ - const EVENT_AFTER_FIND = 'afterFind'; - /** - * @event ModelEvent an event that is triggered before inserting a record. - * You may set [[ModelEvent::isValid]] to be false to stop the insertion. - */ - const EVENT_BEFORE_INSERT = 'beforeInsert'; - /** - * @event Event an event that is triggered after a record is inserted. - */ - const EVENT_AFTER_INSERT = 'afterInsert'; - /** - * @event ModelEvent an event that is triggered before updating a record. - * You may set [[ModelEvent::isValid]] to be false to stop the update. - */ - const EVENT_BEFORE_UPDATE = 'beforeUpdate'; - /** - * @event Event an event that is triggered after a record is updated. - */ - const EVENT_AFTER_UPDATE = 'afterUpdate'; - /** - * @event ModelEvent an event that is triggered before deleting a record. - * You may set [[ModelEvent::isValid]] to be false to stop the deletion. - */ - const EVENT_BEFORE_DELETE = 'beforeDelete'; - /** - * @event Event an event that is triggered after a record is deleted. - */ - const EVENT_AFTER_DELETE = 'afterDelete'; - - /** - * @var array attribute values indexed by attribute names - */ - private $_attributes = []; - /** - * @var array old attribute values indexed by attribute names. - */ - private $_oldAttributes; - /** - * @var array related models indexed by the relation names - */ - private $_related = []; - - /** * Returns the database connection used by this AR class. * By default, the "db" application component is used as the database connection. * You may override this method if you want to use a different database connection. @@ -86,39 +35,6 @@ abstract class ActiveRecord extends Model } /** - * Creates an [[ActiveQuery]] instance for query purpose. - * - * @param mixed $q the query parameter. This can be one of the followings: - * - * - a scalar value (integer or string): query by a single primary key value and return the - * corresponding record. - * - an array of name-value pairs: query by a set of column values and return a single record matching all of them. - * - null: return a new [[ActiveQuery]] object for further query purpose. - * - * @return ActiveQuery|ActiveRecord|null When `$q` is null, a new [[ActiveQuery]] instance - * is returned; when `$q` is a scalar or an array, an ActiveRecord object matching it will be - * returned (null will be returned if there is no matching). - * @throws InvalidConfigException if the AR class does not have a primary key - * @see createQuery() - */ - public static function find($q = null) - { - $query = static::createQuery(); - if (is_array($q)) { - return $query->where($q)->one(); - } elseif ($q !== null) { - // query by primary key - $primaryKey = static::primaryKey(); - if (isset($primaryKey[0])) { - return $query->where([$primaryKey[0] => $q])->one(); - } else { - throw new InvalidConfigException(get_called_class() . ' must have a primary key.'); - } - } - return $query; - } - - /** * Updates the whole table using the provided attribute values and conditions. * For example, to change the status to be 1 for all customers whose status is 2: * @@ -232,189 +148,6 @@ abstract class ActiveRecord extends Model } /** - * Returns the name of the column that stores the lock version for implementing optimistic locking. - * - * Optimistic locking allows multiple users to access the same record for edits and avoids - * potential conflicts. In case when a user attempts to save the record upon some staled data - * (because another user has modified the data), a [[StaleObjectException]] exception will be thrown, - * and the update or deletion is skipped. - * - * Optimistic locking is only supported by [[update()]] and [[delete()]]. - * - * To use Optimistic locking: - * - * 1. Create a column to store the version number of each row. The column type should be `BIGINT DEFAULT 0`. - * Override this method to return the name of this column. - * 2. In the Web form that collects the user input, add a hidden field that stores - * the lock version of the recording being updated. - * 3. In the controller action that does the data updating, try to catch the [[StaleObjectException]] - * and implement necessary business logic (e.g. merging the changes, prompting stated data) - * to resolve the conflict. - * - * @return string the column name that stores the lock version of a table row. - * If null is returned (default implemented), optimistic locking will not be supported. - */ - public function optimisticLock() - { - return null; - } - - /** - * PHP getter magic method. - * This method is overridden so that attributes and related objects can be accessed like properties. - * @param string $name property name - * @return mixed property value - * @see getAttribute() - */ - public function __get($name) - { - if (isset($this->_attributes[$name]) || array_key_exists($name, $this->_attributes)) { - return $this->_attributes[$name]; - } elseif ($this->hasAttribute($name)) { - return null; - } else { - if (isset($this->_related[$name]) || array_key_exists($name, $this->_related)) { - return $this->_related[$name]; - } - $value = parent::__get($name); - if ($value instanceof ActiveRelationInterface) { - return $this->_related[$name] = $value->multiple ? $value->all() : $value->one(); - } else { - return $value; - } - } - } - - /** - * PHP setter magic method. - * This method is overridden so that AR attributes can be accessed like properties. - * @param string $name property name - * @param mixed $value property value - */ - public function __set($name, $value) - { - if ($this->hasAttribute($name)) { - $this->_attributes[$name] = $value; - } else { - parent::__set($name, $value); - } - } - - /** - * Checks if a property value is null. - * This method overrides the parent implementation by checking if the named attribute is null or not. - * @param string $name the property name or the event name - * @return boolean whether the property value is null - */ - public function __isset($name) - { - try { - return $this->__get($name) !== null; - } catch (\Exception $e) { - return false; - } - } - - /** - * Sets a component property to be null. - * This method overrides the parent implementation by clearing - * the specified attribute value. - * @param string $name the property name or the event name - */ - public function __unset($name) - { - if ($this->hasAttribute($name)) { - unset($this->_attributes[$name]); - } else { - if (isset($this->_related[$name])) { - unset($this->_related[$name]); - } else { - parent::__unset($name); - } - } - } - - /** - * Declares a `has-one` relation. - * The declaration is returned in terms of an [[ActiveRelation]] instance - * through which the related record can be queried and retrieved back. - * - * A `has-one` relation means that there is at most one related record matching - * the criteria set by this relation, e.g., a customer has one country. - * - * For example, to declare the `country` relation for `Customer` class, we can write - * the following code in the `Customer` class: - * - * ~~~ - * public function getCountry() - * { - * return $this->hasOne(Country::className(), ['id' => 'country_id']); - * } - * ~~~ - * - * Note that in the above, the 'id' key in the `$link` parameter refers to an attribute name - * in the related class `Country`, while the 'country_id' value refers to an attribute name - * in the current AR class. - * - * Call methods declared in [[ActiveRelation]] to further customize the relation. - * - * @param string $class the class name of the related record - * @param array $link the primary-foreign key constraint. The keys of the array refer to - * the attributes of the record associated with the `$class` model, while the values of the - * array refer to the corresponding attributes in **this** AR class. - * @return ActiveRelationInterface the relation object. - */ - public function hasOne($class, $link) - { - /** @var ActiveRecord $class */ - return $class::createActiveRelation([ - 'modelClass' => $class, - 'primaryModel' => $this, - 'link' => $link, - 'multiple' => false, - ]); - } - - /** - * Declares a `has-many` relation. - * The declaration is returned in terms of an [[ActiveRelation]] instance - * through which the related record can be queried and retrieved back. - * - * A `has-many` relation means that there are multiple related records matching - * the criteria set by this relation, e.g., a customer has many orders. - * - * For example, to declare the `orders` relation for `Customer` class, we can write - * the following code in the `Customer` class: - * - * ~~~ - * public function getOrders() - * { - * return $this->hasMany(Order::className(), ['customer_id' => 'id']); - * } - * ~~~ - * - * Note that in the above, the 'customer_id' key in the `$link` parameter refers to - * an attribute name in the related class `Order`, while the 'id' value refers to - * an attribute name in the current AR class. - * - * @param string $class the class name of the related record - * @param array $link the primary-foreign key constraint. The keys of the array refer to - * the attributes of the record associated with the `$class` model, while the values of the - * array refer to the corresponding attributes in **this** AR class. - * @return ActiveRelationInterface the relation object. - */ - public function hasMany($class, $link) - { - /** @var ActiveRecord $class */ - return $class::createActiveRelation([ - 'modelClass' => $class, - 'primaryModel' => $this, - 'link' => $link, - 'multiple' => true, - ]); - } - - /** * Creates an [[ActiveRelation]] instance. * This method is called by [[hasOne()]] and [[hasMany()]] to create a relation instance. * You may override this method to return a customized relation. @@ -427,36 +160,6 @@ abstract class ActiveRecord extends Model } /** - * Populates the named relation with the related records. - * Note that this method does not check if the relation exists or not. - * @param string $name the relation name (case-sensitive) - * @param ActiveRecord|array|null the related records to be populated into the relation. - */ - public function populateRelation($name, $records) - { - $this->_related[$name] = $records; - } - - /** - * Check whether the named relation has been populated with records. - * @param string $name the relation name (case-sensitive) - * @return bool whether relation has been populated with records. - */ - public function isRelationPopulated($name) - { - return array_key_exists($name, $this->_related); - } - - /** - * Returns all populated relations. - * @return array an array of relation data indexed by relation names. - */ - public function getPopulatedRelations() - { - return $this->_related; - } - - /** * Returns the list of all attribute names of the model. * This method must be overridden by child classes to define available attributes. * Note: primary key attribute "_id" should be always present in returned array. @@ -475,168 +178,6 @@ abstract class ActiveRecord extends Model } /** - * Returns a value indicating whether the model has an attribute with the specified name. - * @param string $name the name of the attribute - * @return boolean whether the model has an attribute with the specified name. - */ - public function hasAttribute($name) - { - return isset($this->_attributes[$name]) || in_array($name, $this->attributes()); - } - - /** - * Returns the named attribute value. - * If this record is the result of a query and the attribute is not loaded, - * null will be returned. - * @param string $name the attribute name - * @return mixed the attribute value. Null if the attribute is not set or does not exist. - * @see hasAttribute() - */ - public function getAttribute($name) - { - return isset($this->_attributes[$name]) ? $this->_attributes[$name] : null; - } - - /** - * Sets the named attribute value. - * @param string $name the attribute name - * @param mixed $value the attribute value. - * @throws InvalidParamException if the named attribute does not exist. - * @see hasAttribute() - */ - public function setAttribute($name, $value) - { - if ($this->hasAttribute($name)) { - $this->_attributes[$name] = $value; - } else { - throw new InvalidParamException(get_class($this) . ' has no attribute named "' . $name . '".'); - } - } - - /** - * Returns the old attribute values. - * @return array the old attribute values (name-value pairs) - */ - public function getOldAttributes() - { - return $this->_oldAttributes === null ? [] : $this->_oldAttributes; - } - - /** - * Sets the old attribute values. - * All existing old attribute values will be discarded. - * @param array $values old attribute values to be set. - */ - public function setOldAttributes($values) - { - $this->_oldAttributes = $values; - } - - /** - * Returns the old value of the named attribute. - * If this record is the result of a query and the attribute is not loaded, - * null will be returned. - * @param string $name the attribute name - * @return mixed the old attribute value. Null if the attribute is not loaded before - * or does not exist. - * @see hasAttribute() - */ - public function getOldAttribute($name) - { - return isset($this->_oldAttributes[$name]) ? $this->_oldAttributes[$name] : null; - } - - /** - * Sets the old value of the named attribute. - * @param string $name the attribute name - * @param mixed $value the old attribute value. - * @throws InvalidParamException if the named attribute does not exist. - * @see hasAttribute() - */ - public function setOldAttribute($name, $value) - { - if (isset($this->_oldAttributes[$name]) || $this->hasAttribute($name)) { - $this->_oldAttributes[$name] = $value; - } else { - throw new InvalidParamException(get_class($this) . ' has no attribute named "' . $name . '".'); - } - } - - /** - * Returns a value indicating whether the named attribute has been changed. - * @param string $name the name of the attribute - * @return boolean whether the attribute has been changed - */ - public function isAttributeChanged($name) - { - if (isset($this->_attributes[$name], $this->_oldAttributes[$name])) { - return $this->_attributes[$name] !== $this->_oldAttributes[$name]; - } else { - return isset($this->_attributes[$name]) || isset($this->_oldAttributes[$name]); - } - } - - /** - * Returns the attribute values that have been modified since they are loaded or saved most recently. - * @param string[]|null $names the names of the attributes whose values may be returned if they are - * changed recently. If null, [[attributes()]] will be used. - * @return array the changed attribute values (name-value pairs) - */ - public function getDirtyAttributes($names = null) - { - if ($names === null) { - $names = $this->attributes(); - } - $names = array_flip($names); - $attributes = []; - if ($this->_oldAttributes === null) { - foreach ($this->_attributes as $name => $value) { - if (isset($names[$name])) { - $attributes[$name] = $value; - } - } - } else { - foreach ($this->_attributes as $name => $value) { - if (isset($names[$name]) && (!array_key_exists($name, $this->_oldAttributes) || $value !== $this->_oldAttributes[$name])) { - $attributes[$name] = $value; - } - } - } - return $attributes; - } - - /** - * Saves the current record. - * - * This method will call [[insert()]] when [[isNewRecord]] is true, or [[update()]] - * when [[isNewRecord]] is false. - * - * For example, to save a customer record: - * - * ~~~ - * $customer = new Customer; // or $customer = Customer::find($id); - * $customer->name = $name; - * $customer->email = $email; - * $customer->save(); - * ~~~ - * - * - * @param boolean $runValidation whether to perform validation before saving the record. - * If the validation fails, the record will not be saved to database. - * @param array $attributes list of attributes that need to be saved. Defaults to null, - * meaning all attributes that are loaded from DB will be saved. - * @return boolean whether the saving succeeds - */ - public function save($runValidation = true, $attributes = null) - { - if ($this->getIsNewRecord()) { - return $this->insert($runValidation, $attributes); - } else { - return $this->update($runValidation, $attributes) !== false; - } - } - - /** * Inserts a row into the associated database table using the attribute values of this record. * * This method performs the following steps in order: @@ -686,91 +227,33 @@ abstract class ActiveRecord extends Model /** * @see ActiveRecord::insert() */ - private function insertInternal($attributes = null) + protected function insertInternal($attributes = null) { if (!$this->beforeSave(true)) { return false; } $values = $this->getDirtyAttributes($attributes); if (empty($values)) { + $currentAttributes = $this->getAttributes(); foreach ($this->primaryKey() as $key) { - $values[$key] = isset($this->_attributes[$key]) ? $this->_attributes[$key] : null; + $values[$key] = isset($currentAttributes[$key]) ? $currentAttributes[$key] : null; } } $collection = static::getCollection(); $newId = $collection->insert($values); $this->setAttribute('_id', $newId); foreach ($values as $name => $value) { - $this->_oldAttributes[$name] = $value; + $this->setOldAttribute($name, $value); } $this->afterSave(true); return true; } /** - * Saves the changes to this active record into the associated database table. - * - * This method performs the following steps in order: - * - * 1. call [[beforeValidate()]] when `$runValidation` is true. If validation - * fails, it will skip the rest of the steps; - * 2. call [[afterValidate()]] when `$runValidation` is true. - * 3. call [[beforeSave()]]. If the method returns false, it will skip the - * rest of the steps; - * 4. save the record into database. If this fails, it will skip the rest of the steps; - * 5. call [[afterSave()]]; - * - * In the above step 1, 2, 3 and 5, events [[EVENT_BEFORE_VALIDATE]], - * [[EVENT_BEFORE_UPDATE]], [[EVENT_AFTER_UPDATE]] and [[EVENT_AFTER_VALIDATE]] - * will be raised by the corresponding methods. - * - * Only the [[changedAttributes|changed attribute values]] will be saved into database. - * - * For example, to update a customer record: - * - * ~~~ - * $customer = Customer::find($id); - * $customer->name = $name; - * $customer->email = $email; - * $customer->update(); - * ~~~ - * - * Note that it is possible the update does not affect any row in the table. - * In this case, this method will return 0. For this reason, you should use the following - * code to check if update() is successful or not: - * - * ~~~ - * if ($this->update() !== false) { - * // update successful - * } else { - * // update failed - * } - * ~~~ - * - * @param boolean $runValidation whether to perform validation before saving the record. - * If the validation fails, the record will not be inserted into the database. - * @param array $attributes list of attributes that need to be saved. Defaults to null, - * meaning all attributes that are loaded from DB will be saved. - * @return integer|boolean the number of rows affected, or false if validation fails - * or [[beforeSave()]] stops the updating process. - * @throws StaleObjectException if [[optimisticLock|optimistic locking]] is enabled and the data - * being updated is outdated. - * @throws \Exception in case update failed. - */ - public function update($runValidation = true, $attributes = null) - { - if ($runValidation && !$this->validate($attributes)) { - return false; - } - $result = $this->updateInternal($attributes); - return $result; - } - - /** * @see CActiveRecord::update() * @throws StaleObjectException */ - private function updateInternal($attributes = null) + protected function updateInternal($attributes = null) { if (!$this->beforeSave(false)) { return false; @@ -797,43 +280,13 @@ abstract class ActiveRecord extends Model } foreach ($values as $name => $value) { - $this->_oldAttributes[$name] = $this->_attributes[$name]; + $this->setOldAttribute($name, $this->getAttribute($name)); } $this->afterSave(false); return $rows; } /** - * Updates one or several counter columns for the current AR object. - * Note that this method differs from [[updateAllCounters()]] in that it only - * saves counters for the current AR object. - * - * An example usage is as follows: - * - * ~~~ - * $post = Post::find($id); - * $post->updateCounters(['view_count' => 1]); - * ~~~ - * - * @param array $counters the counters to be updated (attribute name => increment value) - * Use negative values if you want to decrement the counters. - * @return boolean whether the saving is successful - * @see updateAllCounters() - */ - public function updateCounters($counters) - { - if ($this->updateAllCounters($counters, $this->getOldPrimaryKey(true)) > 0) { - foreach ($counters as $name => $value) { - $this->_attributes[$name] += $value; - $this->_oldAttributes[$name] = $this->_attributes[$name]; - } - return true; - } else { - return false; - } - } - - /** * Deletes the table row corresponding to this active record. * * This method performs the following steps in order: @@ -867,156 +320,13 @@ abstract class ActiveRecord extends Model if ($lock !== null && !$result) { throw new StaleObjectException('The object being deleted is outdated.'); } - $this->_oldAttributes = null; + $this->setOldAttributes(null); $this->afterDelete(); } return $result; } /** - * Returns a value indicating whether the current record is new. - * @return boolean whether the record is new and should be inserted when calling [[save()]]. - */ - public function getIsNewRecord() - { - return $this->_oldAttributes === null; - } - - /** - * Sets the value indicating whether the record is new. - * @param boolean $value whether the record is new and should be inserted when calling [[save()]]. - * @see getIsNewRecord() - */ - public function setIsNewRecord($value) - { - $this->_oldAttributes = $value ? null : $this->_attributes; - } - - /** - * Initializes the object. - * This method is called at the end of the constructor. - * The default implementation will trigger an [[EVENT_INIT]] event. - * If you override this method, make sure you call the parent implementation at the end - * to ensure triggering of the event. - */ - public function init() - { - parent::init(); - $this->trigger(self::EVENT_INIT); - } - - /** - * This method is called when the AR object is created and populated with the query result. - * The default implementation will trigger an [[EVENT_AFTER_FIND]] event. - * When overriding this method, make sure you call the parent implementation to ensure the - * event is triggered. - */ - public function afterFind() - { - $this->trigger(self::EVENT_AFTER_FIND); - } - - /** - * This method is called at the beginning of inserting or updating a record. - * The default implementation will trigger an [[EVENT_BEFORE_INSERT]] event when `$insert` is true, - * or an [[EVENT_BEFORE_UPDATE]] event if `$insert` is false. - * When overriding this method, make sure you call the parent implementation like the following: - * - * ~~~ - * public function beforeSave($insert) - * { - * if (parent::beforeSave($insert)) { - * // ...custom code here... - * return true; - * } else { - * return false; - * } - * } - * ~~~ - * - * @param boolean $insert whether this method called while inserting a record. - * If false, it means the method is called while updating a record. - * @return boolean whether the insertion or updating should continue. - * If false, the insertion or updating will be cancelled. - */ - public function beforeSave($insert) - { - $event = new ModelEvent; - $this->trigger($insert ? self::EVENT_BEFORE_INSERT : self::EVENT_BEFORE_UPDATE, $event); - return $event->isValid; - } - - /** - * This method is called at the end of inserting or updating a record. - * The default implementation will trigger an [[EVENT_AFTER_INSERT]] event when `$insert` is true, - * or an [[EVENT_AFTER_UPDATE]] event if `$insert` is false. - * When overriding this method, make sure you call the parent implementation so that - * the event is triggered. - * @param boolean $insert whether this method called while inserting a record. - * If false, it means the method is called while updating a record. - */ - public function afterSave($insert) - { - $this->trigger($insert ? self::EVENT_AFTER_INSERT : self::EVENT_AFTER_UPDATE); - } - - /** - * This method is invoked before deleting a record. - * The default implementation raises the [[EVENT_BEFORE_DELETE]] event. - * When overriding this method, make sure you call the parent implementation like the following: - * - * ~~~ - * public function beforeDelete() - * { - * if (parent::beforeDelete()) { - * // ...custom code here... - * return true; - * } else { - * return false; - * } - * } - * ~~~ - * - * @return boolean whether the record should be deleted. Defaults to true. - */ - public function beforeDelete() - { - $event = new ModelEvent; - $this->trigger(self::EVENT_BEFORE_DELETE, $event); - return $event->isValid; - } - - /** - * This method is invoked after deleting a record. - * The default implementation raises the [[EVENT_AFTER_DELETE]] event. - * You may override this method to do postprocessing after the record is deleted. - * Make sure you call the parent implementation so that the event is raised properly. - */ - public function afterDelete() - { - $this->trigger(self::EVENT_AFTER_DELETE); - } - - /** - * Repopulates this active record with the latest data. - * @return boolean whether the row still exists in the database. If true, the latest data - * will be populated to this active record. Otherwise, this record will remain unchanged. - */ - public function refresh() - { - $record = $this->find($this->getPrimaryKey(true)); - if ($record === null) { - return false; - } - foreach ($this->attributes() as $name) { - $this->_attributes[$name] = isset($record->_attributes[$name]) ? $record->_attributes[$name] : null; - } - $this->_oldAttributes = $this->_attributes; - $this->_related = []; - return true; - } - - /** * Returns a value indicating whether the given active record is the same as the current one. * The comparison is made by comparing the table names and the primary key values of the two active records. * If one of the records [[isNewRecord|is new]] they are also considered not equal. @@ -1030,156 +340,4 @@ abstract class ActiveRecord extends Model } return $this->collectionName() === $record->collectionName() && $this->getPrimaryKey() === $record->getPrimaryKey(); } - - /** - * Returns the primary key value(s). - * @param boolean $asArray whether to return the primary key value as an array. If true, - * the return value will be an array with column names as keys and column values as values. - * Note that for composite primary keys, an array will always be returned regardless of this parameter value. - * @property mixed The primary key value. An array (column name => column value) is returned if - * the primary key is composite. A string is returned otherwise (null will be returned if - * the key value is null). - * @return mixed the primary key value. An array (column name => column value) is returned if the primary key - * is composite or `$asArray` is true. A string is returned otherwise (null will be returned if - * the key value is null). - */ - public function getPrimaryKey($asArray = false) - { - $keys = $this->primaryKey(); - if (count($keys) === 1 && !$asArray) { - return isset($this->_attributes[$keys[0]]) ? $this->_attributes[$keys[0]] : null; - } else { - $values = []; - foreach ($keys as $name) { - $values[$name] = isset($this->_attributes[$name]) ? $this->_attributes[$name] : null; - } - return $values; - } - } - - /** - * Returns the old primary key value(s). - * This refers to the primary key value that is populated into the record - * after executing a find method (e.g. find(), findAll()). - * The value remains unchanged even if the primary key attribute is manually assigned with a different value. - * @param boolean $asArray whether to return the primary key value as an array. If true, - * the return value will be an array with column name as key and column value as value. - * If this is false (default), a scalar value will be returned for non-composite primary key. - * @property mixed The old primary key value. An array (column name => column value) is - * returned if the primary key is composite. A string is returned otherwise (null will be - * returned if the key value is null). - * @return mixed the old primary key value. An array (column name => column value) is returned if the primary key - * is composite or `$asArray` is true. A string is returned otherwise (null will be returned if - * the key value is null). - */ - public function getOldPrimaryKey($asArray = false) - { - $keys = $this->primaryKey(); - if (count($keys) === 1 && !$asArray) { - return isset($this->_oldAttributes[$keys[0]]) ? $this->_oldAttributes[$keys[0]] : null; - } else { - $values = []; - foreach ($keys as $name) { - $values[$name] = isset($this->_oldAttributes[$name]) ? $this->_oldAttributes[$name] : null; - } - return $values; - } - } - - /** - * Creates an active record object using a row of data. - * This method is called by [[ActiveQuery]] to populate the query results - * into Active Records. It is not meant to be used to create new records. - * @param array $row attribute values (name => value) - * @return ActiveRecord the newly created active record. - */ - public static function create($row) - { - $record = static::instantiate($row); - $columns = array_flip($record->attributes()); - foreach ($row as $name => $value) { - if (isset($columns[$name])) { - $record->_attributes[$name] = $value; - } else { - $record->$name = $value; - } - } - $record->_oldAttributes = $record->_attributes; - $record->afterFind(); - return $record; - } - - /** - * Creates an active record instance. - * This method is called by [[create()]]. - * You may override this method if the instance being created - * depends on the row data to be populated into the record. - * For example, by creating a record based on the value of a column, - * you may implement the so-called single-table inheritance mapping. - * @param array $row row data to be populated into the record. - * @return ActiveRecord the newly created active record - */ - public static function instantiate($row) - { - return new static; - } - - /** - * Returns whether there is an element at the specified offset. - * This method is required by the interface ArrayAccess. - * @param mixed $offset the offset to check on - * @return boolean whether there is an element at the specified offset. - */ - public function offsetExists($offset) - { - return $this->__isset($offset); - } - - /** - * Returns the relation object with the specified name. - * A relation is defined by a getter method which returns an [[ActiveRelation]] object. - * It can be declared in either the Active Record class itself or one of its behaviors. - * @param string $name the relation name - * @return ActiveRelation the relation object - * @throws InvalidParamException if the named relation does not exist. - */ - public function getRelation($name) - { - $getter = 'get' . $name; - try { - $relation = $this->$getter(); - if ($relation instanceof ActiveRelationInterface) { - return $relation; - } else { - throw new InvalidParamException(get_class($this) . ' has no relation named "' . $name . '".'); - } - } catch (UnknownMethodException $e) { - throw new InvalidParamException(get_class($this) . ' has no relation named "' . $name . '".', 0, $e); - } - } - - /** - * Sets the element at the specified offset. - * This method is required by the SPL interface `ArrayAccess`. - * It is implicitly called when you use something like `$model[$offset] = $item;`. - * @param integer $offset the offset to set element - * @param mixed $item the element value - * @throws \Exception on failure - */ - public function offsetSet($offset, $item) - { - // Bypass relation owner restriction to 'yii\db\ActiveRecord' at [[yii\db\ActiveRelationTrait::findWith()]]: - try { - $relation = $this->getRelation($offset); - if (is_object($relation)) { - $this->populateRelation($offset, $item); - return; - } - } catch (InvalidParamException $e) { - // shut down exception : has getter, but not relation - } catch (UnknownMethodException $e) { - throw $e->getPrevious(); - } - parent::offsetSet($offset, $item); - } } \ No newline at end of file