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1230 lines
42 KiB
1230 lines
42 KiB
11 years ago
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<?php
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/**
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @link http://www.yiiframework.com/
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* @copyright Copyright (c) 2008 Yii Software LLC
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* @license http://www.yiiframework.com/license/
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*/
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namespace yii\db;
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use yii\base\InvalidConfigException;
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use yii\base\Model;
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use yii\base\InvalidParamException;
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use yii\base\ModelEvent;
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use yii\base\NotSupportedException;
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use yii\base\UnknownMethodException;
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use yii\base\InvalidCallException;
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use yii\helpers\StringHelper;
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use yii\helpers\Inflector;
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/**
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* ActiveRecord is the base class for classes representing relational data in terms of objects.
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*
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* @include @yii/db/ActiveRecord.md
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*
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* @property array $dirtyAttributes The changed attribute values (name-value pairs). This property is
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* read-only.
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* @property boolean $isNewRecord Whether the record is new and should be inserted when calling [[save()]].
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* @property array $oldAttributes The old attribute values (name-value pairs).
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* @property mixed $oldPrimaryKey The old primary key value. An array (column name => column value) is
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* returned if the primary key is composite. A string is returned otherwise (null will be returned if the key
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* value is null). This property is read-only.
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* @property array $populatedRelations An array of relation data indexed by relation names. This property is
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* read-only.
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* @property mixed $primaryKey The primary key value. An array (column name => column value) is returned if
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* the primary key is composite. A string is returned otherwise (null will be returned if the key value is null).
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* This property is read-only.
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @author Carsten Brandt <mail@cebe.cc>
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* @since 2.0
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*/
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abstract class BaseActiveRecord extends Model implements ActiveRecordInterface
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{
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/**
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* @event Event an event that is triggered when the record is initialized via [[init()]].
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*/
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const EVENT_INIT = 'init';
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/**
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* @event Event an event that is triggered after the record is created and populated with query result.
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*/
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const EVENT_AFTER_FIND = 'afterFind';
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/**
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* @event ModelEvent an event that is triggered before inserting a record.
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* You may set [[ModelEvent::isValid]] to be false to stop the insertion.
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*/
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const EVENT_BEFORE_INSERT = 'beforeInsert';
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/**
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* @event Event an event that is triggered after a record is inserted.
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*/
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const EVENT_AFTER_INSERT = 'afterInsert';
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/**
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* @event ModelEvent an event that is triggered before updating a record.
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* You may set [[ModelEvent::isValid]] to be false to stop the update.
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*/
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const EVENT_BEFORE_UPDATE = 'beforeUpdate';
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/**
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* @event Event an event that is triggered after a record is updated.
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*/
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const EVENT_AFTER_UPDATE = 'afterUpdate';
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/**
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* @event ModelEvent an event that is triggered before deleting a record.
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* You may set [[ModelEvent::isValid]] to be false to stop the deletion.
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*/
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const EVENT_BEFORE_DELETE = 'beforeDelete';
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/**
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* @event Event an event that is triggered after a record is deleted.
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*/
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const EVENT_AFTER_DELETE = 'afterDelete';
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/**
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* @var array attribute values indexed by attribute names
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*/
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private $_attributes = [];
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/**
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* @var array old attribute values indexed by attribute names.
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*/
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private $_oldAttributes;
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/**
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* @var array related models indexed by the relation names
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*/
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private $_related = [];
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/**
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* Creates an [[ActiveQuery]] instance for query purpose.
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*
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* @include @yii/db/ActiveRecord-find.md
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*
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* @param mixed $q the query parameter. This can be one of the followings:
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*
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* - a scalar value (integer or string): query by a single primary key value and return the
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* corresponding record.
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* - an array of name-value pairs: query by a set of column values and return a single record matching all of them.
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* - null: return a new [[ActiveQuery]] object for further query purpose.
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*
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* @return ActiveQuery|ActiveRecord|null When `$q` is null, a new [[ActiveQuery]] instance
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* is returned; when `$q` is a scalar or an array, an ActiveRecord object matching it will be
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* returned (null will be returned if there is no matching).
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* @throws InvalidConfigException if the AR class does not have a primary key
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* @see createQuery()
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*/
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public static function find($q = null)
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{
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$query = static::createQuery();
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if (is_array($q)) {
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return $query->where($q)->one();
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} elseif ($q !== null) {
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// query by primary key
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$primaryKey = static::primaryKey();
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if (isset($primaryKey[0])) {
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return $query->where([$primaryKey[0] => $q])->one();
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} else {
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throw new InvalidConfigException(get_called_class() . ' must have a primary key.');
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}
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}
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return $query;
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}
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/**
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* Updates the whole table using the provided attribute values and conditions.
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* For example, to change the status to be 1 for all customers whose status is 2:
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*
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* ~~~
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* Customer::updateAll(['status' => 1], 'status = 2');
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* ~~~
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*
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* @param array $attributes attribute values (name-value pairs) to be saved into the table
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* @param string|array $condition the conditions that will be put in the WHERE part of the UPDATE SQL.
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* Please refer to [[Query::where()]] on how to specify this parameter.
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* @param array $params the parameters (name => value) to be bound to the query.
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* @return integer the number of rows updated
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*/
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public static function updateAll($attributes, $condition = '')
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{
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throw new NotSupportedException(__METHOD__ . ' is not supported.');
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}
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/**
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* Updates the whole table using the provided counter changes and conditions.
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* For example, to increment all customers' age by 1,
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*
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* ~~~
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* Customer::updateAllCounters(['age' => 1]);
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* ~~~
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*
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* @param array $counters the counters to be updated (attribute name => increment value).
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* Use negative values if you want to decrement the counters.
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* @param string|array $condition the conditions that will be put in the WHERE part of the UPDATE SQL.
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* Please refer to [[Query::where()]] on how to specify this parameter.
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* @param array $params the parameters (name => value) to be bound to the query.
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* Do not name the parameters as `:bp0`, `:bp1`, etc., because they are used internally by this method.
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* @return integer the number of rows updated
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*/
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public static function updateAllCounters($counters, $condition = '')
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{
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throw new NotSupportedException(__METHOD__ . ' is not supported.');
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}
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/**
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* Deletes rows in the table using the provided conditions.
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* WARNING: If you do not specify any condition, this method will delete ALL rows in the table.
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*
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* For example, to delete all customers whose status is 3:
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*
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* ~~~
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* Customer::deleteAll('status = 3');
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* ~~~
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*
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* @param string|array $condition the conditions that will be put in the WHERE part of the DELETE SQL.
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* Please refer to [[Query::where()]] on how to specify this parameter.
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* @param array $params the parameters (name => value) to be bound to the query.
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* @return integer the number of rows deleted
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*/
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public static function deleteAll($condition = '', $params = [])
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{
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throw new NotSupportedException(__METHOD__ . ' is not supported.');
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}
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/**
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* Returns the name of the column that stores the lock version for implementing optimistic locking.
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*
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* Optimistic locking allows multiple users to access the same record for edits and avoids
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* potential conflicts. In case when a user attempts to save the record upon some staled data
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* (because another user has modified the data), a [[StaleObjectException]] exception will be thrown,
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* and the update or deletion is skipped.
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*
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* Optimistic locking is only supported by [[update()]] and [[delete()]].
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*
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* To use Optimistic locking:
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*
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* 1. Create a column to store the version number of each row. The column type should be `BIGINT DEFAULT 0`.
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* Override this method to return the name of this column.
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* 2. In the Web form that collects the user input, add a hidden field that stores
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* the lock version of the recording being updated.
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* 3. In the controller action that does the data updating, try to catch the [[StaleObjectException]]
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* and implement necessary business logic (e.g. merging the changes, prompting stated data)
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* to resolve the conflict.
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*
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* @return string the column name that stores the lock version of a table row.
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* If null is returned (default implemented), optimistic locking will not be supported.
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*/
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public function optimisticLock()
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{
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return null;
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}
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/**
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* PHP getter magic method.
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* This method is overridden so that attributes and related objects can be accessed like properties.
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* @param string $name property name
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* @return mixed property value
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* @see getAttribute()
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*/
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public function __get($name)
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{
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if (isset($this->_attributes[$name]) || array_key_exists($name, $this->_attributes)) {
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return $this->_attributes[$name];
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} elseif ($this->hasAttribute($name)) {
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return null;
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} else {
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if (isset($this->_related[$name]) || array_key_exists($name, $this->_related)) {
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return $this->_related[$name];
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}
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$value = parent::__get($name);
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if ($value instanceof ActiveRelationInterface) {
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return $this->_related[$name] = $value->multiple ? $value->all() : $value->one();
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} else {
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return $value;
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}
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}
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}
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/**
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* PHP setter magic method.
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* This method is overridden so that AR attributes can be accessed like properties.
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* @param string $name property name
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* @param mixed $value property value
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*/
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public function __set($name, $value)
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{
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if ($this->hasAttribute($name)) {
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$this->_attributes[$name] = $value;
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} else {
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parent::__set($name, $value);
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}
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}
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/**
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* Checks if a property value is null.
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* This method overrides the parent implementation by checking if the named attribute is null or not.
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* @param string $name the property name or the event name
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* @return boolean whether the property value is null
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*/
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public function __isset($name)
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{
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try {
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return $this->__get($name) !== null;
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} catch (\Exception $e) {
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return false;
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}
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}
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/**
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* Sets a component property to be null.
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* This method overrides the parent implementation by clearing
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* the specified attribute value.
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* @param string $name the property name or the event name
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*/
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public function __unset($name)
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{
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if ($this->hasAttribute($name)) {
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unset($this->_attributes[$name]);
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} else {
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if (isset($this->_related[$name])) {
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unset($this->_related[$name]);
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} else {
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parent::__unset($name);
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}
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}
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}
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/**
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* Declares a `has-one` relation.
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* The declaration is returned in terms of an [[ActiveRelation]] instance
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* through which the related record can be queried and retrieved back.
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*
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* A `has-one` relation means that there is at most one related record matching
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* the criteria set by this relation, e.g., a customer has one country.
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*
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* For example, to declare the `country` relation for `Customer` class, we can write
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* the following code in the `Customer` class:
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*
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* ~~~
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* public function getCountry()
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* {
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* return $this->hasOne(Country::className(), ['id' => 'country_id']);
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* }
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* ~~~
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*
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* Note that in the above, the 'id' key in the `$link` parameter refers to an attribute name
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* in the related class `Country`, while the 'country_id' value refers to an attribute name
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* in the current AR class.
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*
|
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* Call methods declared in [[ActiveRelation]] to further customize the relation.
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|
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*
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* @param string $class the class name of the related record
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|
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* @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
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* array refer to the corresponding attributes in **this** AR class.
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* @return ActiveRelationInterface the relation object.
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*/
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public function hasOne($class, $link)
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{
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/** @var ActiveRecord $class */
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|
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return $class::createActiveRelation([
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|
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'modelClass' => $class,
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|
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'primaryModel' => $this,
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|
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'link' => $link,
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|
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'multiple' => false,
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|
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]);
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||
|
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}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 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,
|
||
|
|
]);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 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 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, $attributes) !== false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Saves the changes to this active record into the associated database table.
|
||
|
|
*
|
||
|
|
* This method performs the following steps in order:
|
||
|
|
*
|
||
|
|
* 1. call [[beforeValidate()]] when `$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;
|
||
|
|
}
|
||
|
|
return $this->updateInternal($attributes);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @see CActiveRecord::update()
|
||
|
|
* @throws StaleObjectException
|
||
|
|
*/
|
||
|
|
protected function updateInternal($attributes = null)
|
||
|
|
{
|
||
|
|
if (!$this->beforeSave(false)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
$values = $this->getDirtyAttributes($attributes);
|
||
|
|
if (empty($values)) {
|
||
|
|
$this->afterSave(false);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
$condition = $this->getOldPrimaryKey(true);
|
||
|
|
$lock = $this->optimisticLock();
|
||
|
|
if ($lock !== null) {
|
||
|
|
if (!isset($values[$lock])) {
|
||
|
|
$values[$lock] = $this->$lock + 1;
|
||
|
|
}
|
||
|
|
$condition[$lock] = $this->$lock;
|
||
|
|
}
|
||
|
|
// We do not check the return value of updateAll() because it's possible
|
||
|
|
// that the UPDATE statement doesn't change anything and thus returns 0.
|
||
|
|
$rows = $this->updateAll($values, $condition);
|
||
|
|
|
||
|
|
if ($lock !== null && !$rows) {
|
||
|
|
throw new StaleObjectException('The object being updated is outdated.');
|
||
|
|
}
|
||
|
|
|
||
|
|
foreach ($values as $name => $value) {
|
||
|
|
$this->_oldAttributes[$name] = $this->_attributes[$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:
|
||
|
|
*
|
||
|
|
* 1. call [[beforeDelete()]]. If the method returns false, it will skip the
|
||
|
|
* rest of the steps;
|
||
|
|
* 2. delete the record from the database;
|
||
|
|
* 3. call [[afterDelete()]].
|
||
|
|
*
|
||
|
|
* In the above step 1 and 3, events named [[EVENT_BEFORE_DELETE]] and [[EVENT_AFTER_DELETE]]
|
||
|
|
* will be raised by the corresponding methods.
|
||
|
|
*
|
||
|
|
* @return integer|boolean the number of rows deleted, or false if the deletion is unsuccessful for some reason.
|
||
|
|
* Note that it is possible the number of rows deleted is 0, even though the deletion execution is successful.
|
||
|
|
* @throws StaleObjectException if [[optimisticLock|optimistic locking]] is enabled and the data
|
||
|
|
* being deleted is outdated.
|
||
|
|
* @throws \Exception in case delete failed.
|
||
|
|
*/
|
||
|
|
public function delete()
|
||
|
|
{
|
||
|
|
$result = false;
|
||
|
|
if ($this->beforeDelete()) {
|
||
|
|
// we do not check the return value of deleteAll() because it's possible
|
||
|
|
// the record is already deleted in the database and thus the method will return 0
|
||
|
|
$condition = $this->getOldPrimaryKey(true);
|
||
|
|
$lock = $this->optimisticLock();
|
||
|
|
if ($lock !== null) {
|
||
|
|
$condition[$lock] = $this->$lock;
|
||
|
|
}
|
||
|
|
$result = $this->deleteAll($condition);
|
||
|
|
if ($lock !== null && !$result) {
|
||
|
|
throw new StaleObjectException('The object being deleted is outdated.');
|
||
|
|
}
|
||
|
|
$this->_oldAttributes = 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.
|
||
|
|
* @param ActiveRecord $record record to compare to
|
||
|
|
* @return boolean whether the two active records refer to the same row in the same database table.
|
||
|
|
*/
|
||
|
|
public function equals($record)
|
||
|
|
{
|
||
|
|
if ($this->isNewRecord || $record->isNewRecord) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
return get_class($this) === get_class($record) && $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);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Establishes the relationship between two models.
|
||
|
|
*
|
||
|
|
* The relationship is established by setting the foreign key value(s) in one model
|
||
|
|
* to be the corresponding primary key value(s) in the other model.
|
||
|
|
* The model with the foreign key will be saved into database without performing validation.
|
||
|
|
*
|
||
|
|
* If the relationship involves a pivot table, a new row will be inserted into the
|
||
|
|
* pivot table which contains the primary key values from both models.
|
||
|
|
*
|
||
|
|
* Note that this method requires that the primary key value is not null.
|
||
|
|
*
|
||
|
|
* @param string $name the case sensitive name of the relationship
|
||
|
|
* @param ActiveRecord $model the model to be linked with the current one.
|
||
|
|
* @param array $extraColumns additional column values to be saved into the pivot table.
|
||
|
|
* This parameter is only meaningful for a relationship involving a pivot table
|
||
|
|
* (i.e., a relation set with `[[ActiveRelation::via()]]` or `[[ActiveRelation::viaTable()]]`.)
|
||
|
|
* @throws InvalidCallException if the method is unable to link two models.
|
||
|
|
*/
|
||
|
|
public function link($name, $model, $extraColumns = [])
|
||
|
|
{
|
||
|
|
$relation = $this->getRelation($name);
|
||
|
|
|
||
|
|
if ($relation->via !== null) {
|
||
|
|
if ($this->getIsNewRecord() || $model->getIsNewRecord()) {
|
||
|
|
throw new InvalidCallException('Unable to link models: both models must NOT be newly created.');
|
||
|
|
}
|
||
|
|
if (is_array($relation->via)) {
|
||
|
|
/** @var ActiveRelation $viaRelation */
|
||
|
|
list($viaName, $viaRelation) = $relation->via;
|
||
|
|
$viaClass = $viaRelation->modelClass;
|
||
|
|
// unset $viaName so that it can be reloaded to reflect the change
|
||
|
|
unset($this->_related[$viaName]);
|
||
|
|
} else {
|
||
|
|
$viaRelation = $relation->via;
|
||
|
|
$viaTable = reset($relation->via->from);
|
||
|
|
}
|
||
|
|
$columns = [];
|
||
|
|
foreach ($viaRelation->link as $a => $b) {
|
||
|
|
$columns[$a] = $this->$b;
|
||
|
|
}
|
||
|
|
foreach ($relation->link as $a => $b) {
|
||
|
|
$columns[$b] = $model->$a;
|
||
|
|
}
|
||
|
|
foreach ($extraColumns as $k => $v) {
|
||
|
|
$columns[$k] = $v;
|
||
|
|
}
|
||
|
|
if (is_array($relation->via)) {
|
||
|
|
/** @var $viaClass ActiveRecord */
|
||
|
|
/** @var $record ActiveRecord */
|
||
|
|
$record = new $viaClass();
|
||
|
|
foreach($columns as $column => $value) {
|
||
|
|
$record->$column = $value;
|
||
|
|
}
|
||
|
|
$record->insert(false);
|
||
|
|
} else {
|
||
|
|
/** @var $viaTable string */
|
||
|
|
static::getDb()->createCommand()
|
||
|
|
->insert($viaTable, $columns)->execute();
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
$p1 = $model->isPrimaryKey(array_keys($relation->link));
|
||
|
|
$p2 = $this->isPrimaryKey(array_values($relation->link));
|
||
|
|
if ($p1 && $p2) {
|
||
|
|
if ($this->getIsNewRecord() && $model->getIsNewRecord()) {
|
||
|
|
throw new InvalidCallException('Unable to link models: both models are newly created.');
|
||
|
|
} elseif ($this->getIsNewRecord()) {
|
||
|
|
$this->bindModels(array_flip($relation->link), $this, $model);
|
||
|
|
} else {
|
||
|
|
$this->bindModels($relation->link, $model, $this);
|
||
|
|
}
|
||
|
|
} elseif ($p1) {
|
||
|
|
$this->bindModels(array_flip($relation->link), $this, $model);
|
||
|
|
} elseif ($p2) {
|
||
|
|
$this->bindModels($relation->link, $model, $this);
|
||
|
|
} else {
|
||
|
|
throw new InvalidCallException('Unable to link models: the link does not involve any primary key.');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// update lazily loaded related objects
|
||
|
|
if (!$relation->multiple) {
|
||
|
|
$this->_related[$name] = $model;
|
||
|
|
} elseif (isset($this->_related[$name])) {
|
||
|
|
if ($relation->indexBy !== null) {
|
||
|
|
$indexBy = $relation->indexBy;
|
||
|
|
$this->_related[$name][$model->$indexBy] = $model;
|
||
|
|
} else {
|
||
|
|
$this->_related[$name][] = $model;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Destroys the relationship between two models.
|
||
|
|
*
|
||
|
|
* The model with the foreign key of the relationship will be deleted if `$delete` is true.
|
||
|
|
* Otherwise, the foreign key will be set null and the model will be saved without validation.
|
||
|
|
*
|
||
|
|
* @param string $name the case sensitive name of the relationship.
|
||
|
|
* @param ActiveRecord $model the model to be unlinked from the current one.
|
||
|
|
* @param boolean $delete whether to delete the model that contains the foreign key.
|
||
|
|
* If false, the model's foreign key will be set null and saved.
|
||
|
|
* If true, the model containing the foreign key will be deleted.
|
||
|
|
* @throws InvalidCallException if the models cannot be unlinked
|
||
|
|
*/
|
||
|
|
public function unlink($name, $model, $delete = false)
|
||
|
|
{
|
||
|
|
$relation = $this->getRelation($name);
|
||
|
|
|
||
|
|
if ($relation->via !== null) {
|
||
|
|
if (is_array($relation->via)) {
|
||
|
|
/** @var ActiveRelation $viaRelation */
|
||
|
|
list($viaName, $viaRelation) = $relation->via;
|
||
|
|
$viaClass = $viaRelation->modelClass;
|
||
|
|
unset($this->_related[$viaName]);
|
||
|
|
} else {
|
||
|
|
$viaRelation = $relation->via;
|
||
|
|
$viaTable = reset($relation->via->from);
|
||
|
|
}
|
||
|
|
$columns = [];
|
||
|
|
foreach ($viaRelation->link as $a => $b) {
|
||
|
|
$columns[$a] = $this->$b;
|
||
|
|
}
|
||
|
|
foreach ($relation->link as $a => $b) {
|
||
|
|
$columns[$b] = $model->$a;
|
||
|
|
}
|
||
|
|
if (is_array($relation->via)) {
|
||
|
|
/** @var $viaClass ActiveRecord */
|
||
|
|
if ($delete) {
|
||
|
|
$viaClass::deleteAll($columns);
|
||
|
|
} else {
|
||
|
|
$nulls = [];
|
||
|
|
foreach (array_keys($columns) as $a) {
|
||
|
|
$nulls[$a] = null;
|
||
|
|
}
|
||
|
|
$viaClass::updateAll($nulls, $columns);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
/** @var $viaTable string */
|
||
|
|
$command = static::getDb()->createCommand();
|
||
|
|
if ($delete) {
|
||
|
|
$command->delete($viaTable, $columns)->execute();
|
||
|
|
} else {
|
||
|
|
$nulls = [];
|
||
|
|
foreach (array_keys($columns) as $a) {
|
||
|
|
$nulls[$a] = null;
|
||
|
|
}
|
||
|
|
$command->update($viaTable, $nulls, $columns)->execute();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
$p1 = $model->isPrimaryKey(array_keys($relation->link));
|
||
|
|
$p2 = $this->isPrimaryKey(array_values($relation->link));
|
||
|
|
if ($p1 && $p2 || $p2) {
|
||
|
|
foreach ($relation->link as $a => $b) {
|
||
|
|
$model->$a = null;
|
||
|
|
}
|
||
|
|
$delete ? $model->delete() : $model->save(false);
|
||
|
|
} elseif ($p1) {
|
||
|
|
foreach ($relation->link as $b) {
|
||
|
|
$this->$b = null;
|
||
|
|
}
|
||
|
|
$delete ? $this->delete() : $this->save(false);
|
||
|
|
} else {
|
||
|
|
throw new InvalidCallException('Unable to unlink models: the link does not involve any primary key.');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!$relation->multiple) {
|
||
|
|
unset($this->_related[$name]);
|
||
|
|
} elseif (isset($this->_related[$name])) {
|
||
|
|
/** @var ActiveRecord $b */
|
||
|
|
foreach ($this->_related[$name] as $a => $b) {
|
||
|
|
if ($model->getPrimaryKey() == $b->getPrimaryKey()) {
|
||
|
|
unset($this->_related[$name][$a]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param array $link
|
||
|
|
* @param ActiveRecord $foreignModel
|
||
|
|
* @param ActiveRecord $primaryModel
|
||
|
|
* @throws InvalidCallException
|
||
|
|
*/
|
||
|
|
private function bindModels($link, $foreignModel, $primaryModel)
|
||
|
|
{
|
||
|
|
foreach ($link as $fk => $pk) {
|
||
|
|
$value = $primaryModel->$pk;
|
||
|
|
if ($value === null) {
|
||
|
|
throw new InvalidCallException('Unable to link models: the primary key of ' . get_class($primaryModel) . ' is null.');
|
||
|
|
}
|
||
|
|
$foreignModel->$fk = $value;
|
||
|
|
}
|
||
|
|
$foreignModel->save(false);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns a value indicating whether the given set of attributes represents the primary key for this model
|
||
|
|
* @param array $keys the set of attributes to check
|
||
|
|
* @return boolean whether the given set of attributes represents the primary key for this model
|
||
|
|
*/
|
||
|
|
public static function isPrimaryKey($keys)
|
||
|
|
{
|
||
|
|
$pks = static::primaryKey();
|
||
|
|
foreach ($keys as $key) {
|
||
|
|
if (!in_array($key, $pks, true)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return count($keys) === count($pks);
|
||
|
|
}
|
||
|
|
}
|