From 5885bd12735637430e093c896499c3f26832fceb Mon Sep 17 00:00:00 2001 From: wei <> Date: Wed, 21 Mar 2007 03:27:12 +0000 Subject: minor AR updates, remove obsolete TApplication::$_pageService --- .../ActiveRecord/Scaffold/TScaffoldEditView.php | 4 +- framework/Data/ActiveRecord/TActiveRecord.php | 1092 ++++++++++---------- .../Data/ActiveRecord/TActiveRecordManager.php | 14 +- 3 files changed, 558 insertions(+), 552 deletions(-) (limited to 'framework/Data/ActiveRecord') diff --git a/framework/Data/ActiveRecord/Scaffold/TScaffoldEditView.php b/framework/Data/ActiveRecord/Scaffold/TScaffoldEditView.php index 14b4098a..efc356f5 100644 --- a/framework/Data/ActiveRecord/Scaffold/TScaffoldEditView.php +++ b/framework/Data/ActiveRecord/Scaffold/TScaffoldEditView.php @@ -22,7 +22,9 @@ Prado::using('System.Data.ActiveRecord.Scaffold.TScaffoldBase'); * value (may be an array for composite keys). * * The default editor input controls are created based on the column types. - * The editor layout can be specified by a renderer. A renderer is an external + * The editor layout can be specified by a renderer by set the value + * of the {@link setEditRenderer EditRenderer} property to the class name of a + * class that implements TScaffoldEditRenderer. A renderer is an external * template control that implements IScaffoldEditRenderer. * * The Data of the IScaffoldEditRenderer will be set as the current Active diff --git a/framework/Data/ActiveRecord/TActiveRecord.php b/framework/Data/ActiveRecord/TActiveRecord.php index cbf02058..109ae9a6 100644 --- a/framework/Data/ActiveRecord/TActiveRecord.php +++ b/framework/Data/ActiveRecord/TActiveRecord.php @@ -1,540 +1,556 @@ - * @link http://www.pradosoft.com/ - * @copyright Copyright © 2005-2007 PradoSoft - * @license http://www.pradosoft.com/license/ - * @version $Id$ - * @package System.Data.ActiveRecord - */ - -Prado::using('System.Data.ActiveRecord.TActiveRecordManager'); -Prado::using('System.Data.ActiveRecord.TActiveRecordCriteria'); - -/** - * Base class for active records. - * - * An active record creates an object that wraps a row in a database table - * or view, encapsulates the database access, and adds domain logic on that data. - * - * The essence of an Active Record is an object model of the - * domain (e.g. products, items) that incorporates both behavior and - * data in which the classes match very closely the record structure of an - * underlying database. Each Active Record is responsible for saving and - * loading to the database and also for any domain logic that acts on the data. - * - * The Active Record provides methods that do the following: - * 1. Construct an instance of the Active Record from a SQL result set row. - * 2. Construct a new instance for later insertion into the table. - * 3. Finder methods to wrap commonly used SQL queries and return Active Record objects. - * 4. Update the database and insert into it the data in the Active Record. - * - * Example: - * - * class UserRecord extends TActiveRecord - * { - * const TABLE='users'; //optional table name. - * - * public $username; //corresponds to the fieldname in the table - * public $email; - * - * //returns active record finder instance - * public static function finder($className=__CLASS__) - * { - * return parent::finder($className); - * } - * } - * - * //create a connection and give it to the ActiveRecord manager. - * $dsn = 'pgsql:host=localhost;dbname=test'; - * $conn = new TDbConnection($dsn, 'dbuser','dbpass'); - * TActiveRecordManager::getInstance()->setDbConnection($conn); - * - * //load the user record with username (primary key) 'admin'. - * $user = UserRecord::finder()->findByPk('admin'); - * $user->email = 'admin@example.org'; - * $user->save(); //update the 'admin' record. - * - * - * @author Wei Zhuo - * @version $Id$ - * @package System.Data.ActiveRecord - * @since 3.1 - */ -abstract class TActiveRecord extends TComponent -{ - /** - * @var boolean true if this class is read only. - */ - private $_readOnly=false; - - /** - * @var TDbConnection database connection object. - */ - private $_connection; - - /** - * Prevent __call() method creating __sleep() when serializing. - */ - public function __sleep() - { - return array_keys(get_object_vars($this)); - } - - /** - * Prevent __call() method creating __wake() when unserializing. - */ - public function __wake(){} - - /** - * Create a new instance of an active record with given $data. The record - * can be saved to the database specified by the $connection object. - * - * @param array optional name value pair record data. - * @param TDbConnection optional database connection this object record use. - */ - public function __construct($data=array(), $connection=null) - { - $this->copyFrom($data); - if($connection!==null) - $this->_connection=$connection; - } - - /** - * Copies data from an array or another object. - * @throws TActiveRecordException if data is not array or not object. - * @return TActiveRecord current instance. - */ - public function copyFrom($data) - { - $data = is_object($data) ? get_object_vars($data) : $data; - if(!is_array($data)) - throw new TActiveRecordException('ar_must_copy_from_array_or_object', get_class($this)); - foreach($data as $name=>$value) - $this->$name = $value; - return $this; - } - - /** - * Gets the current Db connection, the connection object is obtained from - * the TActiveRecordManager if connection is currently null. - * @return TDbConnection current db connection for this object. - */ - public function getDbConnection() - { - if($this->_connection===null) - $this->_connection=self::getRecordManager()->getDbConnection(); - if($this->_connection===null) //check it - throw new TActiveRecordException('ar_invalid_db_connection',get_class($this)); - return $this->_connection; - } - - /** - * @param TDbConnection db connection object for this record. - */ - public function setDbConnection($connection) - { - $this->_connection=$connection; - } - - /** - * Returns the instance of a active record finder for a particular class. - * @param string active record class name. - * @return TActiveRecord active record finder instance. - * @throws TActiveRecordException if class name equals 'TActiveRecord'. - */ - public static function finder($className=__CLASS__) - { - if($className==='TActiveRecord') - throw new TActiveRecordException('ar_invalid_finder_class_name'); - - static $finders = array(); - if(!isset($finders[$className])) - { - $f = Prado::createComponent($className); - $f->_readOnly=true; - $finders[$className]=$f; - } - return $finders[$className]; - } - - /** - * Gets the record manager for this object, the default is to call - * TActiveRecordManager::getInstance(). - * @return TActiveRecordManager default active record manager. - */ - public function getRecordManager() - { - return TActiveRecordManager::getInstance(); - } - - /** - * Saves the current record to the database, insert or update is automatically determined. - * @return boolean true if record was saved successfully, false otherwise. - */ - public function save() - { - return $this->commitChanges(); - } - - /** - * Commit changes to the record, may insert, update or delete depending - * on the record state given in TObjectStateRegistery. - * @return boolean true if changes were made. - */ - protected function commitChanges() - { - $registry = $this->getRecordManager()->getObjectStateRegistry(); - $gateway = $this->getRecordManager()->getRecordGateway(); - if(!$this->_readOnly) - $this->_readOnly = $gateway->getMetaData($this)->getIsView(); - if($this->_readOnly) - throw new TActiveRecordException('ar_readonly_exception',get_class($this)); - return $registry->commit($this,$gateway); - } - - /** - * Deletes the current record from the database. Once deleted, this object - * can not be saved again in the same instance. - * @return boolean true if the record was deleted successfully, false otherwise. - */ - public function delete() - { - $registry = $this->getRecordManager()->getObjectStateRegistry(); - $registry->registerRemoved($this); - return $this->commitChanges(); - } - - /** - * Delete records by primary key. Usage: - * - * - * $finder->deleteByPk($primaryKey); //delete 1 record - * $finder->deleteByPk($key1,$key2,...); //delete multiple records - * $finder->deleteByPk(array($key1,$key2,...)); //delete multiple records - * - * - * For composite primary keys (determined from the table definitions): - * - * $finder->deleteByPk(array($key1,$key2)); //delete 1 record - * - * //delete multiple records - * $finder->deleteByPk(array($key1,$key2), array($key3,$key4),...); - * - * //delete multiple records - * $finder->deleteByPk(array( array($key1,$key2), array($key3,$key4), .. )); - * - * - * @param mixed primary key values. - * @return int number of records deleted. - */ - public function deleteByPk($keys) - { - if(func_num_args() > 1) - $keys = func_get_args(); - $gateway = $this->getRecordManager()->getRecordGateway(); - return $gateway->deleteRecordsByPk($this,(array)$keys); - } - - - /** - * Delete multiple records using a criteria. - * @param string|TActiveRecordCriteria SQL condition or criteria object. - * @param mixed parameter values. - * @return int number of records deleted. - */ - public function deleteAll($criteria, $parameters=array()) - { - if(is_string($criteria)) - { - if(!is_array($parameters) && func_num_args() > 1) - { - $parameters = func_get_args(); - array_shift($parameters); - } - $criteria=new TActiveRecordCriteria($criteria,$parameters); - } - $gateway = $this->getRecordManager()->getRecordGateway(); - return $gateway->deleteRecordsByCriteria($this, $criteria); - } - - /** - * Populate the record with data, registers the object as clean. - * @param string new record name - * @param array name value pair record data - * @return TActiveRecord object record, null if data is empty. - */ - protected function populateObject($type, $data) - { - if(empty($data)) return null; - $registry = $this->getRecordManager()->getObjectStateRegistry(); - - //try the cache (the cache object must be clean) - if(!is_null($obj = $registry->getCachedInstance($data))) - return $obj; - - //create and populate the object - $obj = Prado::createComponent($type); - foreach($data as $name => $value) - $obj->{$name} = $value; - - $gateway = $this->getRecordManager()->getRecordGateway(); - $obj->_readOnly = $gateway->getMetaData($this)->getIsView(); - - //cache it - return $registry->addCachedInstance($data,$obj); - } - - /** - * Find one single record that matches the criteria. - * - * Usage: - * - * $finder->find('username = :name AND password = :pass', - * array(':name'=>$name, ':pass'=>$pass)); - * $finder->find('username = ? AND password = ?', array($name, $pass)); - * $finder->find('username = ? AND password = ?', $name, $pass); - * //$criteria is of TActiveRecordCriteria - * $finder->find($criteria); //the 2nd parameter for find() is ignored. - * - * - * @param string|TActiveRecordCriteria SQL condition or criteria object. - * @param mixed parameter values. - * @return TActiveRecord matching record object. - */ - public function find($criteria,$parameters=array()) - { - if(is_string($criteria)) - { - if(!is_array($parameters) && func_num_args() > 1) - { - $parameters = func_get_args(); - array_shift($parameters); - } - $criteria=new TActiveRecordCriteria($criteria,$parameters); - } - $gateway = $this->getRecordManager()->getRecordGateway(); - $data = $gateway->findRecordsByCriteria($this,$criteria); - return $this->populateObject(get_class($this), $data); - } - - /** - * Same as find() but returns an array of objects. - * - * @param string|TActiveRecordCriteria SQL condition or criteria object. - * @param mixed parameter values. - * @return array matching record objects - */ - public function findAll($criteria=null,$parameters=array()) - { - if(is_string($criteria)) - { - if(!is_array($parameters) && func_num_args() > 1) - { - $parameters = func_get_args(); - array_shift($parameters); - } - $criteria=new TActiveRecordCriteria($criteria,$parameters); - } - $gateway = $this->getRecordManager()->getRecordGateway(); - $results = array(); - $class = get_class($this); - foreach($gateway->findRecordsByCriteria($this,$criteria,true) as $data) - $results[] = $this->populateObject($class,$data); - return $results; - } - - /** - * Find one record using only the primary key or composite primary keys. Usage: - * - * - * $finder->findByPk($primaryKey); - * $finder->findByPk($key1, $key2, ...); - * $finder->findByPk(array($key1,$key2,...)); - * - * - * @param mixed primary keys - * @return TActiveRecord - */ - public function findByPk($keys) - { - if(func_num_args() > 1) - $keys = func_get_args(); - $gateway = $this->getRecordManager()->getRecordGateway(); - $data = $gateway->findRecordByPK($this,$keys); - return $this->populateObject(get_class($this), $data); - } - - /** - * Find multiple records matching a list of primary or composite keys. - * - * For scalar primary keys: - * - * $finder->findAllByPk($key1, $key2, ...); - * $finder->findAllByPk(array($key1, $key2, ...)); - * - * - * For composite keys: - * - * $finder->findAllByPk(array($key1, $key2), array($key3, $key4), ...); - * $finder->findAllByPk(array(array($key1, $key2), array($key3, $key4), ...)); - * - * @param mixed primary keys - * @return array matching ActiveRecords - */ - public function findAllByPks($keys) - { - if(func_num_args() > 1) - $keys = func_get_args(); - $gateway = $this->getRecordManager()->getRecordGateway(); - $results = array(); - $class = get_class($this); - foreach($gateway->findRecordsByPks($this,(array)$keys) as $data) - $results[] = $this->populateObject($class,$data); - return $results; - } - - /** - * Find records using full SQL, returns corresponding record object. - * The names of the column retrieved must be defined in your Active Record - * class. - * @param string select SQL - * @param array $parameters - * @return array matching active records. - */ - public function findBySql($sql,$parameters=array()) - { - if(!is_array($parameters) && func_num_args() > 1) - { - $parameters = func_get_args(); - array_shift($parameters); - } - $gateway = $this->getRecordManager()->getRecordGateway(); - $data = $gateway->findRecordsBySql($this,$sql,$parameters); - $results = array(); - $class = get_class($this); - foreach($gateway->findRecordsBySql($this,$sql,$parameters) as $data) - $results[] = $this->populateObject($class,$data); - return $results; - } - - /** - * Find the number of records. - * @param string|TActiveRecordCriteria SQL condition or criteria object. - * @param mixed parameter values. - * @return int number of records. - */ - public function count($criteria=null,$parameters=array()) - { - if(is_string($criteria)) - { - if(!is_array($parameters) && func_num_args() > 1) - { - $parameters = func_get_args(); - array_shift($parameters); - } - $criteria=new TActiveRecordCriteria($criteria,$parameters); - } - $gateway = $this->getRecordManager()->getRecordGateway(); - return $gateway->countRecords($this,$criteria); - } - - /** - * Dynamic find method using parts of method name as search criteria. - * Method name starting with "findBy" only returns 1 record. - * Method name starting with "findAllBy" returns 0 or more records. - * Method name starting with "deleteBy" deletes records by the trail criteria. - * The condition is taken as part of the method name after "findBy", "findAllBy" - * or "deleteBy". - * - * The following are equivalent: - * - * $finder->findByName($name) - * $finder->find('Name = ?', $name); - * - * - * $finder->findByUsernameAndPassword($name,$pass); // OR may be used - * $finder->findBy_Username_And_Password($name,$pass); // _OR_ may be used - * $finder->find('Username = ? AND Password = ?', $name, $pass); - * - * - * $finder->findAllByAge($age); - * $finder->findAll('Age = ?', $age); - * - * - * $finder->deleteAll('Name = ?', $name); - * $finder->deleteByName($name); - * - * @return mixed single record if method name starts with "findBy", 0 or more records - * if method name starts with "findAllBy" - */ - public function __call($method,$args) - { - $delete =false; - if($findOne = substr(strtolower($method),0,6)==='findby') - $condition = $method[6]==='_' ? substr($method,7) : substr($method,6); - else if(substr(strtolower($method),0,9)==='findallby') - $condition = $method[9]==='_' ? substr($method,10) : substr($method,9); - else if($delete = substr(strtolower($method),0,8)==='deleteby') - $condition = $method[8]==='_' ? substr($method,9) : substr($method,8); - else - return null;//throw new TActiveRecordException('ar_invalid_finder_method',$method); - - $criteria = $this->createCriteriaFromString($method, $condition, $args); - if($delete) - return $this->deleteAll($criteria); - else - return $findOne ? $this->find($criteria) : $this->findAll($criteria); - } - - /** - * @param string __call method name - * @param string criteria conditions - * @param array method arguments - * @return TActiveRecordCriteria criteria created from the method name and its arguments. - */ - private function createCriteriaFromString($method, $condition, $args) - { - $fields = $this->extractMatchingConditions($method, $condition); - $args=count($args) === 1 && is_array($args[0]) ? $args[0] : $args; - if(count($fields)>count($args)) - { - throw new TActiveRecordException('ar_mismatch_args_exception', - $method,count($fields),count($args)); - } - return new TActiveRecordCriteria(implode(' ',$fields),$args); - } - - /** - * Calculates the AND/OR condition from dynamic method substrings using - * table meta data, allows for any AND-OR combinations. - * @param string dynamic method name - * @param string dynamic method search criteria - * @return array search condition substrings - */ - private function extractMatchingConditions($method, $condition) - { - $meta = $this->getRecordManager()->getRecordGateway()->getMetaData($this); - $search = implode('|', $meta->getColumnNames()); - $regexp = '/('.$search.')(and|_and_|or|_or_)?/i'; - $matches = array(); - if(!preg_match_all($regexp, strtolower($condition), $matches,PREG_SET_ORDER)) - { - throw new TActiveRecordException('ar_mismatch_column_names', - $method, implode(', ', $meta->getColumnNames()), $meta->getTableName()); - } - $fields = array(); - foreach($matches as $match) - { - $column = $meta->getColumn($match[1]); - $sql = $column->getName() . ' = ? '; - if(count($match) > 2) - $sql .= strtoupper(str_replace('_', '', $match[2])); - $fields[] = $sql; - } - return $fields; - } +/** + * TActiveRecord and TActiveRecordEventParameter class file. + * + * @author Wei Zhuo + * @link http://www.pradosoft.com/ + * @copyright Copyright © 2005-2007 PradoSoft + * @license http://www.pradosoft.com/license/ + * @version $Id$ + * @package System.Data.ActiveRecord + */ + +Prado::using('System.Data.ActiveRecord.TActiveRecordManager'); +Prado::using('System.Data.ActiveRecord.TActiveRecordCriteria'); + +/** + * Base class for active records. + * + * An active record creates an object that wraps a row in a database table + * or view, encapsulates the database access, and adds domain logic on that data. + * + * The essence of an Active Record is an object model of the + * domain (e.g. products, items) that incorporates both behavior and + * data in which the classes match very closely the record structure of an + * underlying database. Each Active Record is responsible for saving and + * loading to the database and also for any domain logic that acts on the data. + * + * The Active Record provides methods that do the following: + * 1. Construct an instance of the Active Record from a SQL result set row. + * 2. Construct a new instance for later insertion into the table. + * 3. Finder methods to wrap commonly used SQL queries and return Active Record objects. + * 4. Update the database and insert into it the data in the Active Record. + * + * Example: + * + * class UserRecord extends TActiveRecord + * { + * const TABLE='users'; //optional table name. + * + * public $username; //corresponds to the fieldname in the table + * public $email; + * + * //returns active record finder instance + * public static function finder($className=__CLASS__) + * { + * return parent::finder($className); + * } + * } + * + * //create a connection and give it to the ActiveRecord manager. + * $dsn = 'pgsql:host=localhost;dbname=test'; + * $conn = new TDbConnection($dsn, 'dbuser','dbpass'); + * TActiveRecordManager::getInstance()->setDbConnection($conn); + * + * //load the user record with username (primary key) 'admin'. + * $user = UserRecord::finder()->findByPk('admin'); + * $user->email = 'admin@example.org'; + * $user->save(); //update the 'admin' record. + * + * + * @author Wei Zhuo + * @version $Id$ + * @package System.Data.ActiveRecord + * @since 3.1 + */ +abstract class TActiveRecord extends TComponent +{ + /** + * @var boolean true if this class is read only. + */ + private $_readOnly=false; + + /** + * @var TDbConnection database connection object. + */ + private $_connection; + + /** + * Prevent __call() method creating __sleep() when serializing. + */ + public function __sleep() + { + return array_keys(get_object_vars($this)); + } + + /** + * Prevent __call() method creating __wake() when unserializing. + */ + public function __wake(){} + + /** + * Create a new instance of an active record with given $data. The record + * can be saved to the database specified by the $connection object. + * + * @param array optional name value pair record data. + * @param TDbConnection optional database connection this object record use. + */ + public function __construct($data=array(), $connection=null) + { + $this->copyFrom($data); + if($connection!==null) + $this->_connection=$connection; + } + + /** + * Copies data from an array or another object. + * @throws TActiveRecordException if data is not array or not object. + * @return TActiveRecord current instance. + */ + public function copyFrom($data) + { + $data = is_object($data) ? get_object_vars($data) : $data; + if(!is_array($data)) + throw new TActiveRecordException('ar_must_copy_from_array_or_object', get_class($this)); + foreach($data as $name=>$value) + $this->$name = $value; + return $this; + } + + /** + * Gets the current Db connection, the connection object is obtained from + * the TActiveRecordManager if connection is currently null. + * @return TDbConnection current db connection for this object. + */ + public function getDbConnection() + { + if($this->_connection===null) + $this->_connection=self::getRecordManager()->getDbConnection(); + if($this->_connection===null) //check it + throw new TActiveRecordException('ar_invalid_db_connection',get_class($this)); + return $this->_connection; + } + + /** + * @param TDbConnection db connection object for this record. + */ + public function setDbConnection($connection) + { + $this->_connection=$connection; + } + + /** + * Returns the instance of a active record finder for a particular class. + * @param string active record class name. + * @return TActiveRecord active record finder instance. + * @throws TActiveRecordException if class name equals 'TActiveRecord'. + */ + public static function finder($className=__CLASS__) + { + if($className==='TActiveRecord') + throw new TActiveRecordException('ar_invalid_finder_class_name'); + + static $finders = array(); + if(!isset($finders[$className])) + { + $f = Prado::createComponent($className); + $f->_readOnly=true; + $finders[$className]=$f; + } + return $finders[$className]; + } + + /** + * Gets the record manager for this object, the default is to call + * TActiveRecordManager::getInstance(). + * @return TActiveRecordManager default active record manager. + */ + public function getRecordManager() + { + return TActiveRecordManager::getInstance(); + } + + /** + * Saves the current record to the database, insert or update is automatically determined. + * @return boolean true if record was saved successfully, false otherwise. + */ + public function save() + { + return $this->commitChanges(); + } + + /** + * Commit changes to the record, may insert, update or delete depending + * on the record state given in TObjectStateRegistery. + * @return boolean true if changes were made. + */ + protected function commitChanges() + { + $registry = $this->getRecordManager()->getObjectStateRegistry(); + $gateway = $this->getRecordManager()->getRecordGateway(); + if(!$this->_readOnly) + $this->_readOnly = $gateway->getMetaData($this)->getIsView(); + if($this->_readOnly) + throw new TActiveRecordException('ar_readonly_exception',get_class($this)); + return $registry->commit($this,$gateway); + } + + /** + * Deletes the current record from the database. Once deleted, this object + * can not be saved again in the same instance. + * @return boolean true if the record was deleted successfully, false otherwise. + */ + public function delete() + { + $registry = $this->getRecordManager()->getObjectStateRegistry(); + $registry->registerRemoved($this); + return $this->commitChanges(); + } + + /** + * Delete records by primary key. Usage: + * + * + * $finder->deleteByPk($primaryKey); //delete 1 record + * $finder->deleteByPk($key1,$key2,...); //delete multiple records + * $finder->deleteByPk(array($key1,$key2,...)); //delete multiple records + * + * + * For composite primary keys (determined from the table definitions): + * + * $finder->deleteByPk(array($key1,$key2)); //delete 1 record + * + * //delete multiple records + * $finder->deleteByPk(array($key1,$key2), array($key3,$key4),...); + * + * //delete multiple records + * $finder->deleteByPk(array( array($key1,$key2), array($key3,$key4), .. )); + * + * + * @param mixed primary key values. + * @return int number of records deleted. + */ + public function deleteByPk($keys) + { + if(func_num_args() > 1) + $keys = func_get_args(); + $gateway = $this->getRecordManager()->getRecordGateway(); + return $gateway->deleteRecordsByPk($this,(array)$keys); + } + + + /** + * Delete multiple records using a criteria. + * @param string|TActiveRecordCriteria SQL condition or criteria object. + * @param mixed parameter values. + * @return int number of records deleted. + */ + public function deleteAll($criteria, $parameters=array()) + { + if(is_string($criteria)) + { + if(!is_array($parameters) && func_num_args() > 1) + { + $parameters = func_get_args(); + array_shift($parameters); + } + $criteria=new TActiveRecordCriteria($criteria,$parameters); + } + $gateway = $this->getRecordManager()->getRecordGateway(); + return $gateway->deleteRecordsByCriteria($this, $criteria); + } + + /** + * Populate the record with data, registers the object as clean. + * @param string new record name + * @param array name value pair record data + * @return TActiveRecord object record, null if data is empty. + */ + protected function populateObject($type, $data) + { + if(empty($data)) return null; + $registry = $this->getRecordManager()->getObjectStateRegistry(); + + //try the cache (the cache object must be clean) + if(!is_null($obj = $registry->getCachedInstance($data))) + return $obj; + + //create and populate the object + $obj = Prado::createComponent($type); + foreach($data as $name => $value) + $obj->{$name} = $value; + + $gateway = $this->getRecordManager()->getRecordGateway(); + $obj->_readOnly = $gateway->getMetaData($this)->getIsView(); + + //cache it + return $registry->addCachedInstance($data,$obj); + } + + /** + * Find one single record that matches the criteria. + * + * Usage: + * + * $finder->find('username = :name AND password = :pass', + * array(':name'=>$name, ':pass'=>$pass)); + * $finder->find('username = ? AND password = ?', array($name, $pass)); + * $finder->find('username = ? AND password = ?', $name, $pass); + * //$criteria is of TActiveRecordCriteria + * $finder->find($criteria); //the 2nd parameter for find() is ignored. + * + * + * @param string|TActiveRecordCriteria SQL condition or criteria object. + * @param mixed parameter values. + * @return TActiveRecord matching record object. + */ + public function find($criteria,$parameters=array()) + { + if(is_string($criteria)) + { + if(!is_array($parameters) && func_num_args() > 1) + { + $parameters = func_get_args(); + array_shift($parameters); + } + $criteria=new TActiveRecordCriteria($criteria,$parameters); + } + $gateway = $this->getRecordManager()->getRecordGateway(); + $data = $gateway->findRecordsByCriteria($this,$criteria); + return $this->populateObject(get_class($this), $data); + } + + /** + * Same as find() but returns an array of objects. + * + * @param string|TActiveRecordCriteria SQL condition or criteria object. + * @param mixed parameter values. + * @return array matching record objects + */ + public function findAll($criteria=null,$parameters=array()) + { + if(is_string($criteria)) + { + if(!is_array($parameters) && func_num_args() > 1) + { + $parameters = func_get_args(); + array_shift($parameters); + } + $criteria=new TActiveRecordCriteria($criteria,$parameters); + } + $gateway = $this->getRecordManager()->getRecordGateway(); + $results = array(); + $class = get_class($this); + foreach($gateway->findRecordsByCriteria($this,$criteria,true) as $data) + $results[] = $this->populateObject($class,$data); + return $results; + } + + /** + * Find one record using only the primary key or composite primary keys. Usage: + * + * + * $finder->findByPk($primaryKey); + * $finder->findByPk($key1, $key2, ...); + * $finder->findByPk(array($key1,$key2,...)); + * + * + * @param mixed primary keys + * @return TActiveRecord + */ + public function findByPk($keys) + { + if(func_num_args() > 1) + $keys = func_get_args(); + $gateway = $this->getRecordManager()->getRecordGateway(); + $data = $gateway->findRecordByPK($this,$keys); + return $this->populateObject(get_class($this), $data); + } + + /** + * Find multiple records matching a list of primary or composite keys. + * + * For scalar primary keys: + * + * $finder->findAllByPk($key1, $key2, ...); + * $finder->findAllByPk(array($key1, $key2, ...)); + * + * + * For composite keys: + * + * $finder->findAllByPk(array($key1, $key2), array($key3, $key4), ...); + * $finder->findAllByPk(array(array($key1, $key2), array($key3, $key4), ...)); + * + * @param mixed primary keys + * @return array matching ActiveRecords + */ + public function findAllByPks($keys) + { + if(func_num_args() > 1) + $keys = func_get_args(); + $gateway = $this->getRecordManager()->getRecordGateway(); + $results = array(); + $class = get_class($this); + foreach($gateway->findRecordsByPks($this,(array)$keys) as $data) + $results[] = $this->populateObject($class,$data); + return $results; + } + + /** + * Find records using full SQL, returns corresponding record object. + * The names of the column retrieved must be defined in your Active Record + * class. + * @param string select SQL + * @param array $parameters + * @return array matching active records. + */ + public function findBySql($sql,$parameters=array()) + { + if(!is_array($parameters) && func_num_args() > 1) + { + $parameters = func_get_args(); + array_shift($parameters); + } + $gateway = $this->getRecordManager()->getRecordGateway(); + $data = $gateway->findRecordsBySql($this,$sql,$parameters); + $results = array(); + $class = get_class($this); + foreach($gateway->findRecordsBySql($this,$sql,$parameters) as $data) + $results[] = $this->populateObject($class,$data); + return $results; + } + + /** + * Find the number of records. + * @param string|TActiveRecordCriteria SQL condition or criteria object. + * @param mixed parameter values. + * @return int number of records. + */ + public function count($criteria=null,$parameters=array()) + { + if(is_string($criteria)) + { + if(!is_array($parameters) && func_num_args() > 1) + { + $parameters = func_get_args(); + array_shift($parameters); + } + $criteria=new TActiveRecordCriteria($criteria,$parameters); + } + $gateway = $this->getRecordManager()->getRecordGateway(); + return $gateway->countRecords($this,$criteria); + } + + /** + * Dynamic find method using parts of method name as search criteria. + * Method name starting with "findBy" only returns 1 record. + * Method name starting with "findAllBy" returns 0 or more records. + * Method name starting with "deleteBy" deletes records by the trail criteria. + * The condition is taken as part of the method name after "findBy", "findAllBy" + * or "deleteBy". + * + * The following are equivalent: + * + * $finder->findByName($name) + * $finder->find('Name = ?', $name); + * + * + * $finder->findByUsernameAndPassword($name,$pass); // OR may be used + * $finder->findBy_Username_And_Password($name,$pass); // _OR_ may be used + * $finder->find('Username = ? AND Password = ?', $name, $pass); + * + * + * $finder->findAllByAge($age); + * $finder->findAll('Age = ?', $age); + * + * + * $finder->deleteAll('Name = ?', $name); + * $finder->deleteByName($name); + * + * @return mixed single record if method name starts with "findBy", 0 or more records + * if method name starts with "findAllBy" + */ + public function __call($method,$args) + { + $delete =false; + if($findOne = substr(strtolower($method),0,6)==='findby') + $condition = $method[6]==='_' ? substr($method,7) : substr($method,6); + else if(substr(strtolower($method),0,9)==='findallby') + $condition = $method[9]==='_' ? substr($method,10) : substr($method,9); + else if($delete = substr(strtolower($method),0,8)==='deleteby') + $condition = $method[8]==='_' ? substr($method,9) : substr($method,8); + else + return null;//throw new TActiveRecordException('ar_invalid_finder_method',$method); + + $criteria = $this->createCriteriaFromString($method, $condition, $args); + if($delete) + return $this->deleteAll($criteria); + else + return $findOne ? $this->find($criteria) : $this->findAll($criteria); + } + + /** + * @param string __call method name + * @param string criteria conditions + * @param array method arguments + * @return TActiveRecordCriteria criteria created from the method name and its arguments. + */ + private function createCriteriaFromString($method, $condition, $args) + { + $fields = $this->extractMatchingConditions($method, $condition); + $args=count($args) === 1 && is_array($args[0]) ? $args[0] : $args; + if(count($fields)>count($args)) + { + throw new TActiveRecordException('ar_mismatch_args_exception', + $method,count($fields),count($args)); + } + return new TActiveRecordCriteria(implode(' ',$fields),$args); + } + + /** + * Calculates the AND/OR condition from dynamic method substrings using + * table meta data, allows for any AND-OR combinations. + * @param string dynamic method name + * @param string dynamic method search criteria + * @return array search condition substrings + */ + private function extractMatchingConditions($method, $condition) + { + $meta = $this->getRecordManager()->getRecordGateway()->getMetaData($this); + $search = implode('|', $meta->getColumnNames()); + $regexp = '/('.$search.')(and|_and_|or|_or_)?/i'; + $matches = array(); + if(!preg_match_all($regexp, strtolower($condition), $matches,PREG_SET_ORDER)) + { + throw new TActiveRecordException('ar_mismatch_column_names', + $method, implode(', ', $meta->getColumnNames()), $meta->getTableName()); + } + $fields = array(); + foreach($matches as $match) + { + $column = $meta->getColumn($match[1]); + $sql = $column->getName() . ' = ? '; + if(count($match) > 2) + $sql .= strtoupper(str_replace('_', '', $match[2])); + $fields[] = $sql; + } + return $fields; + } } -?> \ No newline at end of file + +/** + * TActiveRecordEventParameter class. + * + * @author Wei Zhuo + * @version $Id$ + * @package System.Data.ActiveRecord + * @since 3.1 + */ +class TActiveRecordEventParameter extends TEventParameter +{ + +} + + + +?> diff --git a/framework/Data/ActiveRecord/TActiveRecordManager.php b/framework/Data/ActiveRecord/TActiveRecordManager.php index bd672c3b..f7568b51 100644 --- a/framework/Data/ActiveRecord/TActiveRecordManager.php +++ b/framework/Data/ActiveRecord/TActiveRecordManager.php @@ -1,6 +1,6 @@ * @link http://www.pradosoft.com/ @@ -222,17 +222,5 @@ class TActiveRecordManager extends TComponent } } -/** - * TActiveRecordEventParameter class. - * - * @author Wei Zhuo - * @version $Id$ - * @package System.Data.ActiveRecord - * @since 3.1 - */ -class TActiveRecordEventParameter extends TEventParameter -{ - -} ?> \ No newline at end of file -- cgit v1.2.3