cakephp2-php8/cake/libs/model/model.php
2007-05-01 03:52:28 +00:00

2138 lines
55 KiB
PHP

<?php
/* SVN FILE: $Id$ */
/**
* Object-relational mapper.
*
* DBO-backed object data model, for mapping database tables to Cake objects.
*
* PHP versions 5
*
* CakePHP(tm) : Rapid Development Framework <http://www.cakephp.org/>
* Copyright 2005-2007, Cake Software Foundation, Inc.
* 1785 E. Sahara Avenue, Suite 490-204
* Las Vegas, Nevada 89104
*
* Licensed under The MIT License
* Redistributions of files must retain the above copyright notice.
*
* @filesource
* @copyright Copyright 2005-2007, Cake Software Foundation, Inc.
* @link http://www.cakefoundation.org/projects/info/cakephp CakePHP(tm) Project
* @package cake
* @subpackage cake.cake.libs.model
* @since CakePHP(tm) v 0.10.0.0
* @version $Revision$
* @modifiedby $LastChangedBy$
* @lastmodified $Date$
* @license http://www.opensource.org/licenses/mit-license.php The MIT License
*/
/**
* Included libs
*/
uses('class_registry', 'validation', 'overloadable', 'model' . DS . 'behavior', 'model' . DS . 'connection_manager', 'set');
/**
* Object-relational mapper.
*
* DBO-backed object data model.
* Automatically selects a database table name based on a pluralized lowercase object class name
* (i.e. class 'User' => table 'users'; class 'Man' => table 'men')
* The table is required to have at least 'id auto_increment', 'created datetime',
* and 'modified datetime' fields.
*
* @package cake
* @subpackage cake.cake.libs.model
*/
class Model extends Overloadable {
/**
* The name of the DataSource connection that this Model uses
*
* @var string
* @access public
*/
var $useDbConfig = 'default';
/**
* Enter description here... Still used?
*
* @var unknown_type
* @access public
* @todo Is this still used? -OJ 22 nov 2006
*/
var $parent = false;
/**
* Custom database table name.
*
* @var string
* @access public
*/
var $useTable = null;
/**
* Custom display field name. Display fields are used by Scaffold, in SELECT boxes' OPTION elements.
*
* @var string
* @access public
*/
var $displayField = null;
/**
* Value of the primary key ID of the record that this model is currently pointing to
*
* @var integer
* @access public
*/
var $id = false;
/**
* Container for the data that this model gets from persistent storage (the database).
*
* @var array
* @access public
*/
var $data = array();
/**
* Table name for this Model.
*
* @var string
* @access public
*/
var $table = false;
/**
* The name of the ID field for this Model.
*
* @var string
* @access public
*/
var $primaryKey = null;
/**
* Table metadata
*
* @var array
* @access private
*/
var $_tableInfo = null;
/**
* List of validation rules. Append entries for validation as ('field_name' => '/^perl_compat_regexp$/')
* that have to match with preg_match(). Use these rules with Model::validate()
*
* @var array
* @access public
*/
var $validate = array();
/**
* Errors in validation
* @var array
* @access public
*/
var $validationErrors = array();
/**
* Database table prefix for tables in model.
*
* @var string
* @access public
*/
var $tablePrefix = null;
/**
* Name of the model.
*
* @var string
*/
var $name = null;
/**
* Name of the current model.
*
* @var string
*/
var $currentModel = null;
/**
* List of table names included in the Model description. Used for associations.
*
* @var array
* @access public
*/
var $tableToModel = array();
/**
* List of Model names by used tables. Used for associations.
*
* @var array
* @access public
*/
var $modelToTable = array();
/**
* List of Foreign Key names to used tables. Used for associations.
*
* @var array
* @access public
*/
var $keyToTable = array();
/**
* Alias table names for model, for use in SQL JOIN statements.
*
* @var array
* @access public
*/
var $alias = array();
/**
* Whether or not transactions for this model should be logged
*
* @var boolean
* @access public
*/
var $logTransactions = false;
/**
* Whether or not to enable transactions for this model (i.e. BEGIN/COMMIT/ROLLBACK)
*
* @var boolean
* @access public
*/
var $transactional = false;
/**
* Whether or not to cache queries for this model. This enables in-memory
* caching only, the results are not stored beyond this execution.
*
* @var boolean
* @access public
*/
var $cacheQueries = false;
/**
* belongsTo association
*
* @var array
* @access public
*/
var $belongsTo = array();
/**
* hasOne association
*
* @var array
* @access public
*/
var $hasOne = array();
/**
* hasMany association
*
* @var array
* @access public
*/
var $hasMany = array();
/**
* hasAndBelongsToMany association
*
* @var array
* @access public
*/
var $hasAndBelongsToMany = array();
/**
* List of behaviors to use
*
* @var array
*/
var $actsAs = null;
/**
* Behavior objects
*
* @var array
*/
var $behaviors = array();
/**
* Enter description here...
*
* @var boolean
*/
var $cacheSources = true;
/**
* Mapped behavior methods
*
* @var array
* @access private
*/
var $__behaviorMethods = array();
/**
* Depth of recursive association
*
* @var integer
* @access public
*/
var $recursive = 1;
/**
* Default ordering of model records
*
* @var mixed
*/
var $order = null;
/**
* Default association keys
*
* @var array
* @access protected
*/
var $__associationKeys = array(
'belongsTo' => array('className', 'foreignKey', 'conditions', 'fields', 'order', 'counterCache'),
'hasOne' => array('className', 'foreignKey','conditions', 'fields','order', 'dependent'),
'hasMany' => array('className', 'foreignKey', 'conditions', 'fields', 'order', 'limit', 'offset', 'dependent', 'exclusive', 'finderQuery', 'counterQuery'),
'hasAndBelongsToMany' => array('className', 'joinTable', 'foreignKey', 'associationForeignKey', 'conditions', 'fields', 'order', 'limit', 'offset', 'unique', 'finderQuery', 'deleteQuery', 'insertQuery')
);
/**
* Holds provided/generated association key names and other data for all associations
*
* @var array
* @access protected
*/
var $__associations = array('belongsTo', 'hasOne', 'hasMany', 'hasAndBelongsToMany');
/**
* Holds association data to be reverted to
*
* @var array
* @access protected
*/
var $__backAssociation = array();
/**
* The last inserted ID of the data that this model created
*
* @var integer
* @access protected
*/
var $__insertID = null;
/**
* The number of records returned by the last query
*
* @var integer
* @access protected
*/
var $__numRows = null;
/**
* The number of records affected by the last query
*
* @var integer
* @access protected
*/
var $__affectedRows = null;
/**
* Constructor. Binds the Model's database table to the object.
*
* @param integer $id
* @param string $table Name of database table to use.
* @param DataSource $ds DataSource connection object.
*/
function __construct($id = false, $table = null, $ds = null) {
parent::__construct();
if ($this->name === null) {
$this->name = get_class($this);
}
if ($this->primaryKey === null) {
$this->primaryKey = 'id';
}
$this->currentModel = Inflector::underscore($this->name);
ClassRegistry::addObject($this->currentModel, $this);
ClassRegistry::map($this->currentModel, $this->currentModel);
$this->id = $id;
if ($this->useTable !== false) {
$this->setDataSource($ds);
if ($table) {
$tableName = $table;
} else {
if ($this->useTable) {
$tableName = $this->useTable;
} else {
$tableName = Inflector::tableize($this->name);
}
}
if (in_array('settableprefix', get_class_methods($this))) {
$this->setTablePrefix();
}
$this->setSource($tableName);
$this->__createLinks();
if ($this->displayField == null) {
if ($this->hasField('title')) {
$this->displayField = 'title';
}
if ($this->hasField('name')) {
$this->displayField = 'name';
}
if ($this->displayField == null) {
$this->displayField = $this->primaryKey;
}
}
}
if ($this->actsAs !== null && empty($this->behaviors)) {
$callbacks = array('setup', 'beforeFind', 'afterFind', 'beforeSave', 'afterSave', 'beforeDelete', 'afterDelete', 'afterError');
$this->actsAs = Set::normalize($this->actsAs);
foreach ($this->actsAs as $behavior => $config) {
$className = $behavior . 'Behavior';
if (!loadBehavior($behavior)) {
// Raise an error
} else {
if (ClassRegistry::isKeySet($className)) {
if (PHP5) {
$this->behaviors[$behavior] = ClassRegistry::getObject($className);
} else {
$this->behaviors[$behavior] =& ClassRegistry::getObject($className);
}
} else {
if (PHP5) {
$this->behaviors[$behavior] = new $className;
} else {
$this->behaviors[$behavior] =& new $className;
}
ClassRegistry::addObject($className, $this->behaviors[$behavior]);
}
$this->behaviors[$behavior]->setup($this, $config);
$methods = $this->behaviors[$behavior]->mapMethods;
foreach ($methods as $method => $alias) {
if (!array_key_exists($method, $this->__behaviorMethods)) {
$this->__behaviorMethods[$method] = array($alias, $behavior);
}
}
$methods = get_class_methods($this->behaviors[$behavior]);
$parentMethods = get_class_methods('ModelBehavior');
foreach ($methods as $m) {
if (!in_array($m, $parentMethods)) {
if (strpos($m, '_') !== 0 && !array_key_exists($m, $this->__behaviorMethods) && !in_array($m, $callbacks)) {
$this->__behaviorMethods[$m] = array($m, $behavior);
}
}
}
}
}
}
}
/**
* Handles custom method calls, like findBy<field> for DB models,
* and custom RPC calls for remote data sources.
*
* @param string $method Name of method to call.
* @param array $params Parameters for the method.
* @return unknown
* @access protected
*/
function call__($method, $params) {
$db =& ConnectionManager::getDataSource($this->useDbConfig);
$methods = array_map('strtolower', array_keys($this->__behaviorMethods));
$call = array_values($this->__behaviorMethods);
$map = array();
if (!empty($methods) && !empty($call)) {
$map = array_combine($methods, $call);
}
$count = count($call);
$pass = array(&$this);
if (!in_array(low($method), $methods)) {
$pass[] = $method;
}
foreach ($params as $param) {
$pass[] = $param;
}
if (in_array(low($method), $methods)) {
$it = $map[low($method)];
return call_user_func_array(array(&$this->behaviors[$it[1]], $it[0]), $pass);
return $this->behaviors[$it[1]]->{$it[0]}($this, $params);
}
for($i = 0; $i < $count; $i++) {
if (strpos($methods[$i], '/') === 0 && preg_match($methods[$i] . 'i', $method)) {
return call_user_func_array(array($this->behaviors[$call[$i][1]], $call[$i][0]), $pass);
}
}
$return = $db->query($method, $params, $this);
if (!PHP5) {
if (!empty($this->__backAssociation)) {
$this->__resetAssociations();
}
}
return $return;
}
/**
* Bind model associations on the fly.
*
* If $permanent is true, association will not be reset
* to the originals defined in the model
*
* @param array $params
* @param boolean $permanent
* @return void
*/
function bind($model, $options, $permanent = true) {
if (!is_array($model)) {
$model = array($model => $options);
}
foreach($model as $name => $options) {
if (isset($options['type'])) {
$assoc = $options['type'];
} elseif (isset($options[0])) {
$assoc = $options[0];
}
if(!$permanent) {
$this->__backAssociation[$assoc] = $this->{$assoc};
}
foreach($model as $key => $value) {
$assocName = $key;
$modelName = $key;
if (isset($value['className'])) {
$modelName = $value['className'];
}
$this->__constructLinkedModel($assocName, $modelName);
$this->{$assoc}[$assocName] = $model[$assocName];
$this->__generateAssociation($assoc);
}
}
}
/**
* Bind model associations on the fly.
*
* If $reset is false, association will not be reset
* to the originals defined in the model
*
* @param array $params
* @param boolean $reset
* @return boolean Always true
*/
function bindModel($params, $reset = true) {
foreach($params as $assoc => $model) {
if($reset === true) {
$this->__backAssociation[$assoc] = $this->{$assoc};
}
foreach($model as $key => $value) {
$assocName = $key;
if (is_numeric($key)) {
$assocName = $value;
$value = array();
}
$modelName = $assocName;
$this->{$assoc}[$assocName] = $value;
}
}
$this->__createLinks();
return true;
}
/**
* Turn off associations on the fly.
*
* If $reset is false, association will not be reset
* to the originals defined in the model
*
* Example: Turn off the associated Model Support request,
* to temporarily lighten the User model:
* <code>
* $this->User->unbindModel( array('hasMany' => array('Supportrequest')) );
* </code>
*
* @param array $params
* @param boolean $reset
* @return boolean Always true
*/
function unbindModel($params, $reset = true) {
foreach($params as $assoc => $models) {
if($reset === true) {
$this->__backAssociation[$assoc] = $this->{$assoc};
}
foreach($models as $model) {
$this->__backAssociation = array_merge($this->__backAssociation, $this->{$assoc});
unset ($this->{$assoc}[$model]);
}
}
return true;
}
/**
* Private helper method to create a set of associations.
*
* @access private
*/
function __createLinks() {
// Convert all string-based associations to array based
foreach($this->__associations as $type) {
if (!is_array($this->{$type})) {
$this->{$type} = explode(',', $this->{$type});
foreach($this->{$type} as $i => $className) {
$className = trim($className);
unset ($this->{$type}[$i]);
$this->{$type}[$className] = array();
}
}
foreach($this->{$type} as $assoc => $value) {
if (is_numeric($assoc)) {
unset ($this->{$type}[$assoc]);
$assoc = $value;
$value = array();
$this->{$type}[$assoc] = $value;
}
$className = $assoc;
if (isset($value['className']) && !empty($value['className'])) {
$className = $value['className'];
}
$this->__constructLinkedModel($assoc, $className);
if (isset($value['with']) && !empty($value['with'])) {
$this->__constructLinkedModel($value['with'], $value['with']);
}
}
$this->__generateAssociation($type);
}
}
/**
* Private helper method to create associated models of given class.
* @param string $assoc
* @param string $className Class name
* @param mixed $id Primary key ID of linked model
* @param string $table Database table associated with linked model
* @param string $ds Name of DataSource the model should be bound to
* @access private
*/
function __constructLinkedModel($assoc, $className, $id = false, $table = null, $ds = null) {
$colKey = Inflector::underscore($className);
if(!class_exists($className)) {
if (!loadModel($className)) {
return $this->cakeError('missingModel', array(array('className' => $className)));
}
}
if (ClassRegistry::isKeySet($colKey)) {
if (!PHP5) {
$this->{$assoc} =& ClassRegistry::getObject($colKey);
$this->{$className} =& $this->{$assoc};
ClassRegistry::map($assoc, $colKey);
} else {
$this->{$assoc} = ClassRegistry::getObject($colKey);
$this->{$className} = $this->{$assoc};
ClassRegistry::map($assoc, $colKey);
}
} else {
if (!PHP5) {
$this->{$assoc} =& new $className($id, $table, $ds);
$this->{$className} =& $this->{$assoc};
} else {
$this->{$assoc} = new $className($id, $table, $ds);
$this->{$className} = $this->{$assoc};
}
}
$this->alias[$assoc] = $this->{$assoc}->table;
$this->tableToModel[$this->{$assoc}->table] = $className;
$this->modelToTable[$assoc] = $this->{$assoc}->table;
}
/**
* Build array-based association from string.
*
* @param string $type 'belongsTo', 'hasOne', 'hasMany', 'hasAndBelongsToMany'
* @access private
*/
function __generateAssociation($type) {
foreach($this->{$type} as $assocKey => $assocData) {
$class = $assocKey;
foreach($this->__associationKeys[$type] as $key) {
if (!isset($this->{$type}[$assocKey][$key]) || $this->{$type}[$assocKey][$key] == null) {
$data = '';
switch($key) {
case 'fields':
$data = '';
break;
case 'foreignKey':
$data = ife($type == 'belongsTo', Inflector::underscore($assocKey) . '_id', Inflector::singularize($this->table) . '_id');
break;
case 'associationForeignKey':
$data = Inflector::singularize($this->{$class}->table) . '_id';
break;
case 'joinTable':
$tables = array($this->table, $this->{$class}->table);
sort ($tables);
$data = $tables[0] . '_' . $tables[1];
break;
case 'className':
$data = $class;
break;
}
$this->{$type}[$assocKey][$key] = $data;
}
if ($key == 'foreignKey' && !isset($this->keyToTable[$this->{$type}[$assocKey][$key]])) {
$this->keyToTable[$this->{$type}[$assocKey][$key]][0] = $this->{$class}->table;
$this->keyToTable[$this->{$type}[$assocKey][$key]][1] = $this->{$class}->name;
}
}
if (isset($this->{$type}[$assocKey]['with'])) {
$with = $this->{$type}[$assocKey]['with'];
$this->{$type}[$assocKey]['joinTable'] = $this->{$with}->table;
}
}
}
/**
* Sets a custom table for your controller class. Used by your controller to select a database table.
*
* @param string $tableName Name of the custom table
*/
function setSource($tableName) {
$this->setDataSource($this->useDbConfig);
$db =& ConnectionManager::getDataSource($this->useDbConfig);
$db->cacheSources = $this->cacheSources;
if ($db->isInterfaceSupported('listSources')) {
$sources = $db->listSources();
if (is_array($sources) && !in_array(low($this->tablePrefix . $tableName), array_map('low', $sources))) {
return $this->cakeError('missingTable', array(array(
'className' => $this->name,
'table' => $this->tablePrefix . $tableName
)));
} else {
$this->table = $tableName;
$this->tableToModel[$this->table] = $this->name;
$this->_tableInfo = null;
$this->loadInfo();
}
} else {
$this->table = $tableName;
$this->tableToModel[$this->table] = $this->name;
$this->loadInfo();
}
}
/**
* This function does two things: 1) it scans the array $one for the primary key,
* and if that's found, it sets the current id to the value of $one[id].
* For all other keys than 'id' the keys and values of $one are copied to the 'data' property of this object.
* 2) Returns an array with all of $one's keys and values.
* (Alternative indata: two strings, which are mangled to
* a one-item, two-dimensional array using $one for a key and $two as its value.)
*
* @param mixed $one Array or string of data
* @param string $two Value string for the alternative indata method
* @return unknown
*/
function set($one, $two = null) {
if (is_object($one)) {
if (is_a($one, 'xmlnode') || is_a($one, 'XMLNode')) {
if ($one->name != Inflector::underscore($this->name)) {
if (is_object($one->child(Inflector::underscore($this->name)))) {
$one = $one->child(Inflector::underscore($this->name));
$one = $one->attributes;
} else {
return null;
}
}
} elseif (is_a($one, 'stdclass') || is_a($one, 'stdClass')) {
$one = get_object_vars($one);
$keys = array_keys($one);
$count = count($keys);
for ($i = 0; $i < $count; $i++) {
if ($keys[$i] == '__identity__' || is_array($one[$keys[$i]]) || is_object($one[$keys[$i]])) {
unset($one[$keys[$i]]);
}
}
}
}
if (is_array($one)) {
if (Set::countDim($one) == 1) {
$data = array($this->name => $one);
} else {
$data = $one;
}
} else {
$data = array($this->name => array($one => $two));
}
foreach($data as $n => $v) {
if (is_array($v)) {
foreach($v as $x => $y) {
if ($n == $this->name) {
if (isset($this->validationErrors[$x])) {
unset ($this->validationErrors[$x]);
}
if ($x == $this->primaryKey) {
$this->id = $y;
}
}
$this->data[$n][$x] = $y;
}
}
}
return $data;
}
/**
* Returns an array of table metadata (column names and types) from the database.
*
* @return array Array of table metadata
*/
function loadInfo($clear = false) {
if (!is_object($this->_tableInfo) || $clear) {
$db =& ConnectionManager::getDataSource($this->useDbConfig);
$db->cacheSources = $this->cacheSources;
if ($db->isInterfaceSupported('describe') && $this->useTable !== false) {
$this->_tableInfo = new Set($db->describe($this, $clear));
} elseif ($this->useTable === false) {
$this->_tableInfo = new Set();
}
}
return $this->_tableInfo;
}
/**
* Returns an associative array of field names and column types.
*
* @return array
*/
function getColumnTypes() {
$columns = $this->loadInfo();
return array_combine($columns->extract('{n}.name'), $columns->extract('{n}.type'));
}
/**
* Returns the column type of a column in the model
*
* @param string $column The name of the model column
* @return string Column type
*/
function getColumnType($column) {
$cols = $this->getColumnTypes();
if (isset($cols[$column])) {
return $cols[$column];
}
return null;
}
/**
* Returns true if this Model has given field in its database table.
*
* @param string $name Name of field to look for
* @return boolean
*/
function hasField($name) {
if (is_array($name)) {
foreach ($name as $n) {
if ($this->hasField($n)) {
return $n;
}
}
return false;
}
if (empty($this->_tableInfo)) {
$this->loadInfo();
}
if ($this->_tableInfo != null) {
return in_array($name, $this->_tableInfo->extract('{n}.name'));
}
return false;
}
/**
* Initializes the model for writing a new record.
*
* @param array $data Optional data to assign to the model after it is created
* @return array The current data of the model
*/
function create($data = array()) {
$this->id = false;
$this->data = array();
$defaults = array();
$cols = $this->loadInfo();
$names = $cols->extract('{n}.name');
$values = $cols->extract('{n}.default');
if (!empty($names) && !empty($values)) {
$count = count($names);
for ($i = 0; $i < $count; $i++) {
if ($names[$i] != $this->primaryKey) {
$defaults[$names[$i]] = $values[$i];
}
}
}
$this->validationErrors = array();
$this->set(array_filter($defaults));
$this->set($data);
return $this->data;
}
/**
* Returns a list of fields from the database
*
* @param mixed $id The ID of the record to read
* @param mixed $fields String of single fieldname, or an array of fieldnames.
* @return array Array of database fields
*/
function read($fields = null, $id = null) {
$this->validationErrors = array();
if ($id != null) {
$this->id = $id;
}
$id = $this->id;
if (is_array($this->id)) {
$id = $this->id[0];
}
if ($this->id !== null && $this->id !== false) {
$this->data = $this->find(array($this->name . '.' . $this->primaryKey => $id), $fields);
return $this->data;
} else {
return false;
}
}
/**
* Returns contents of a field in a query matching given conditions.
*
* @param string $name Name of field to get
* @param array $conditions SQL conditions (defaults to NULL)
* @param string $order SQL ORDER BY fragment
* @return field contents
*/
function field($name, $conditions = null, $order = null) {
if ($conditions === null) {
$conditions = array($this->name . '.' . $this->primaryKey => $this->id);
}
if($this->recursive >= 1) {
$recursive = -1;
} else {
$recursive = $this->recursive;
}
if ($data = $this->find($conditions, $name, $order, $recursive)) {
if (strpos($name, '.') === false) {
if (isset($data[$this->name][$name])) {
return $data[$this->name][$name];
}
} else {
$name = explode('.', $name);
if (isset($data[$name[0]][$name[1]])) {
return $data[$name[0]][$name[1]];
}
}
if (isset($data[0]) && count($data[0]) > 0) {
$name = key($data[0]);
return $data[0][$name];
}
} else {
return false;
}
}
/**
* Saves a single field to the database.
*
* @param string $name Name of the table field
* @param mixed $value Value of the field
* @param boolean $validate Whether or not this model should validate before saving (defaults to false)
* @return boolean True on success save
*/
function saveField($name, $value, $validate = false) {
return $this->save(array($this->name => array($name => $value)), $validate, array($name));
}
/**
* Saves model data to the database.
* By default, validation occurs before save.
*
* @param array $data Data to save.
* @param boolean $validate If set, validation will be done before the save
* @param array $fieldList List of fields to allow to be written
* @return boolean success
*/
function save($data = null, $validate = true, $fieldList = array()) {
$db =& ConnectionManager::getDataSource($this->useDbConfig);
$this->set($data);
$whitelist = !(empty($fieldList) || count($fieldList) == 0);
if ($validate && !$this->validates()) {
return false;
}
if (!empty($this->behaviors)) {
$behaviors = array_keys($this->behaviors);
$ct = count($behaviors);
for ($i = 0; $i < $ct; $i++) {
if ($this->behaviors[$behaviors[$i]]->beforeSave($this) === false) {
return false;
}
}
}
if (!$this->beforeSave()) {
return false;
}
$fields = $values = array();
$count = 0;
if (count($this->data) > 1) {
$weHaveMulti = true;
$joined = false;
} else {
$weHaveMulti = false;
}
$newID = null;
foreach($this->data as $n => $v) {
if (isset($weHaveMulti) && isset($v[$n]) && $count > 0 && count($this->hasAndBelongsToMany) > 0) {
$joined[] = $v;
} else {
if ($n === $this->name) {
foreach (array('created', 'updated', 'modified') as $field) {
if (array_key_exists($field, $v) && (empty($v[$field]) || $v[$field] === null)) {
unset($v[$field]);
}
}
foreach($v as $x => $y) {
if ($this->hasField($x) && ($whitelist && in_array($x, $fieldList) || !$whitelist)) {
$fields[] = $x;
$values[] = $y;
if ($x == $this->primaryKey && !empty($y)) {
$newID = $y;
}
}
}
}
}
$count++;
}
$exists = $this->exists();
if (!$exists && $this->hasField('created') && !in_array('created', $fields) && ($whitelist && in_array('created', $fieldList) || !$whitelist)) {
$colType = am(array('formatter' => 'date'), $db->columns[$this->getColumnType('created')]);
$fields[] = 'created';
$values[] = $colType['formatter']($colType['format']);
}
foreach (array('modified', 'updated') as $updateCol) {
if ($this->hasField($updateCol) && !in_array($updateCol, $fields) && ($whitelist && in_array($updateCol, $fieldList) || !$whitelist)) {
$colType = am(array('formatter' => 'date'), $db->columns[$this->getColumnType($updateCol)]);
$fields[] = $updateCol;
$values[] = $colType['formatter']($colType['format']);
}
}
if (!$exists) {
$this->id = false;
}
$success = false;
$created = false;
if (count($fields)) {
if (!empty($this->id)) {
if ($db->update($this, $fields, $values)) {
if (!empty($joined)) {
$this->__saveMulti($joined, $this->id);
}
$success = true;
}
} else {
if ($db->create($this, $fields, $values)) {
if (!empty($this->belongsTo)) {
foreach ($this->belongsTo as $parent => $assoc) {
if (isset($assoc['counterCache']) && !empty($assoc['counterCache'])) {
$parentObj =& $this->{$assoc['className']};
}
}
}
if (!empty($joined)) {
$this->__saveMulti($joined, $this->id);
}
$success = $created = true;
}
}
if ($success) {
if (!empty($this->behaviors)) {
$behaviors = array_keys($this->behaviors);
$ct = count($behaviors);
for ($i = 0; $i < $ct; $i++) {
$this->behaviors[$behaviors[$i]]->afterSave($this, $created);
}
}
$this->afterSave($created);
$this->data = false;
$this->_clearCache();
$this->validationErrors = array();
return true;
}
}
return $success;
}
/**
* Saves model hasAndBelongsToMany data to the database.
*
* @param array $joined Data to save.
* @param string $id
* @return
* @access private
*/
function __saveMulti($joined, $id) {
$db =& ConnectionManager::getDataSource($this->useDbConfig);
foreach($joined as $x => $y) {
foreach($y as $assoc => $value) {
if (isset($this->hasAndBelongsToMany[$assoc])) {
$joinTable[$assoc] = $this->hasAndBelongsToMany[$assoc]['joinTable'];
$mainKey[$assoc] = $this->hasAndBelongsToMany[$assoc]['foreignKey'];
$keys[] = $this->hasAndBelongsToMany[$assoc]['foreignKey'];
$keys[] = $this->hasAndBelongsToMany[$assoc]['associationForeignKey'];
$fields[$assoc] = join(',', $keys);
unset($keys);
foreach($value as $update) {
if (!empty($update)) {
$values[] = $db->value($id, $this->getColumnType($this->primaryKey));
$values[] = $db->value($update);
$values = join(',', $values);
$newValues[] = "({$values})";
unset ($values);
}
}
if (!empty($newValues)) {
$newValue[$assoc] = $newValues;
unset($newValues);
} else {
$newValue[$assoc] = array();
}
}
}
}
if (isset($joinTable)) {
$total = count($joinTable);
if(is_array($newValue)) {
foreach ($newValue as $loopAssoc => $val) {
$db =& ConnectionManager::getDataSource($this->useDbConfig);
$table = $db->name($db->fullTableName($joinTable[$loopAssoc]));
$db->query("DELETE FROM {$table} WHERE {$mainKey[$loopAssoc]} = '{$id}'");
if (!empty($newValue[$loopAssoc])) {
$secondCount = count($newValue[$loopAssoc]);
for($x = 0; $x < $secondCount; $x++) {
$db->query("INSERT INTO {$table} ({$fields[$loopAssoc]}) VALUES {$newValue[$loopAssoc][$x]}");
}
}
}
}
}
}
/**
* Allows model records to be updated based on a set of conditions
*
* @param mixed $conditions
* @param mixed $fields
* @return boolean True on success, false on failure
*/
function updateAll($fields, $conditions = true) {
$db =& ConnectionManager::getDataSource($this->useDbConfig);
return $db->update($this, $fields, null, $conditions);
}
/**
* Synonym for del().
*
* @param mixed $id
* @see function del
* @return boolean True on success
*/
function remove($id = null, $cascade = true) {
return $this->del($id, $cascade);
}
/**
* Removes record for given id. If no id is given, the current id is used. Returns true on success.
*
* @param mixed $id Id of record to delete
* @return boolean True on success
*/
function del($id = null, $cascade = true) {
if (!empty($id)) {
$this->id = $id;
}
$id = $this->id;
if ($this->exists() && $this->beforeDelete()) {
$db =& ConnectionManager::getDataSource($this->useDbConfig);
if (!empty($this->behaviors)) {
$behaviors = array_keys($this->behaviors);
$ct = count($behaviors);
for ($i = 0; $i < $ct; $i++) {
if ($this->behaviors[$behaviors[$i]]->beforeDelete($this) === false) {
return false;
}
}
}
$this->_deleteDependent($id, $cascade);
$this->_deleteLinks($id);
$this->id = $id;
if ($db->delete($this)) {
if (!empty($this->behaviors)) {
for ($i = 0; $i < $ct; $i++) {
$this->behaviors[$behaviors[$i]]->afterDelete($this);
}
}
$this->afterDelete();
$this->_clearCache();
$this->id = false;
return true;
}
}
return false;
}
/**
* Alias for del()
*
* @param mixed $id Id of record to delete
* @return boolean True on success
*/
function delete($id = null, $cascade = true) {
return $this->del($id, $cascade);
}
/**
* Cascades model deletes to hasMany and hasOne relationships.
*
* @param string $id
* @return null
* @access protected
*/
function _deleteDependent($id, $cascade) {
if (!empty($this->__backAssociation)) {
$savedAssociatons = $this->__backAssociation;
$this->__backAssociation = array();
}
foreach(am($this->hasMany, $this->hasOne) as $assoc => $data) {
if ($data['dependent'] === true && $cascade === true) {
$model =& $this->{$assoc};
$field = $model->escapeField($data['foreignKey']);
$model->recursive = -1;
$records = $model->findAll(array($field => $id), $model->primaryKey);
if(!empty($records)) {
foreach($records as $record) {
$model->delete($record[$model->name][$model->primaryKey]);
}
}
}
}
if (isset($savedAssociatons)) {
$this->__backAssociation = $savedAssociatons;
}
}
/**
* Cascades model deletes to HABTM join keys.
*
* @param string $id
* @return null
* @access protected
*/
function _deleteLinks($id) {
$db =& ConnectionManager::getDataSource($this->useDbConfig);
foreach($this->hasAndBelongsToMany as $assoc => $data) {
if (isset($data['with'])) {
$model =& $this->{$data['with']};
$records = $model->findAll(array($data['foreignKey'] => $id), $model->primaryKey, null, null, null, -1);
if (!empty($records)) {
foreach($records as $record) {
$model->delete($record[$model->name][$model->primaryKey]);
}
}
} else {
$table = $db->name($db->fullTableName($data['joinTable']));
$conditions = $db->name($data['foreignKey']) . ' = ' . $db->value($id);
$db->query("DELETE FROM {$table} WHERE {$conditions}");
}
}
}
/**
* Allows model records to be deleted based on a set of conditions
*
* @param mixed $conditions
* @param mixed $fields
* @return boolean True on success, false on failure
*/
function deleteAll($conditions, $cascade = true) {
if (empty($conditions)) {
return false;
}
$records = $this->findAll($conditions, array($this->escapeField()), null, null, null, 0);
if (empty($records)) {
return false;
}
$ids = Set::extract($records, "{n}.{$this->name}.{$this->primaryKey}");
foreach ($ids as $id) {
$this->_deleteLinks($id);
$this->_deleteDependent($id, $cascade);
}
$db =& ConnectionManager::getDataSource($this->useDbConfig);
return $db->delete($this, $conditions);
}
/**
* Returns true if a record with set id exists.
*
* @return boolean True if such a record exists
*/
function exists() {
if ($this->getID() === false) {
return false;
}
return ($this->findCount(array($this->name . '.' . $this->primaryKey => $this->getID()), -1) > 0);
}
/**
* Returns true if a record that meets given conditions exists
*
* @param array $conditions SQL conditions array
* @return boolean True if such a record exists
*/
function hasAny($conditions = null) {
return ($this->findCount($conditions) != false);
}
/**
* Return a single row as a resultset array.
* By using the $recursive parameter, the call can access further "levels of association" than
* the ones this model is directly associated to.
*
* @param array $conditions SQL conditions array
* @param mixed $fields Either a single string of a field name, or an array of field names
* @param string $order SQL ORDER BY conditions (e.g. "price DESC" or "name ASC")
* @param int $recursive The number of levels deep to fetch associated records
* @return array Array of records
*/
function find($conditions = null, $fields = null, $order = null, $recursive = null) {
$data = $this->findAll($conditions, $fields, $order, 1, null, $recursive);
if (empty($data[0])) {
return false;
}
return $data[0];
}
/**
* Returns a resultset array with specified fields from database matching given conditions.
* By using the $recursive parameter, the call can access further "levels of association" than
* the ones this model is directly associated to.
*
* @param mixed $conditions SQL conditions as a string or as an array('field' =>'value',...)
* @param mixed $fields Either a single string of a field name, or an array of field names
* @param string $order SQL ORDER BY conditions (e.g. "price DESC" or "name ASC")
* @param int $limit SQL LIMIT clause, for calculating items per page.
* @param int $page Page number, for accessing paged data
* @param int $recursive The number of levels deep to fetch associated records
* @return array Array of records
*/
function findAll($conditions = null, $fields = null, $order = null, $limit = null, $page = 1, $recursive = null) {
$db =& ConnectionManager::getDataSource($this->useDbConfig);
$this->id = $this->getID();
$offset = null;
if (empty($page) || !is_numeric($page) || intval($page) < 1) {
$page = 1;
}
if ($page > 1 && $limit != null) {
$offset = ($page - 1) * $limit;
}
if ($order == null && $order !== false) {
if ($this->order == null) {
$order = array();
} else {
$order = array($this->order);
}
} else {
$order = array($order);
}
$queryData = array(
'conditions' => $conditions,
'fields' => $fields,
'joins' => array(),
'limit' => $limit,
'offset' => $offset,
'order' => $order
);
if (!empty($this->behaviors)) {
$behaviors = array_keys($this->behaviors);
$ct = count($behaviors);
for ($i = 0; $i < $ct; $i++) {
$ret = $this->behaviors[$behaviors[$i]]->beforeFind($this, $queryData);
if (is_array($ret)) {
$queryData = $ret;
} elseif ($ret === false) {
return null;
}
}
}
$ret = $this->beforeFind($queryData);
if (is_array($ret)) {
$queryData = $ret;
} elseif ($ret === false) {
return null;
}
$results = $db->read($this, $queryData, $recursive);
if (!empty($this->behaviors)) {
$b = array_keys($this->behaviors);
$c = count($b);
for ($i = 0; $i < $c; $i++) {
$ret = $this->behaviors[$b[$i]]->afterFind($this, $results, true);
if (is_array($ret)) {
$results = $ret;
}
}
}
$return = $this->afterFind($results, true);
if (!empty($this->__backAssociation)) {
$this->__resetAssociations();
}
return $return;
}
/**
* Method is called only when bindTo<ModelName>() is used.
* This resets the association arrays for the model back
* to the original as set in the model.
*
* @return unknown
* @access private
*/
function __resetAssociations() {
foreach($this->__associations as $type) {
if (isset($this->__backAssociation[$type])) {
$this->{$type} = $this->__backAssociation[$type];
}
}
$this->__backAssociation = array();
return true;
}
/**
* Runs a direct query against the bound DataSource, and returns the result.
*
* @param string $data Query data
* @return array
*/
function execute($data) {
$db =& ConnectionManager::getDataSource($this->useDbConfig);
$data = $db->fetchAll($data, $this->cacheQueries);
foreach($data as $key => $value) {
foreach($this->tableToModel as $key1 => $value1) {
if (isset($data[$key][$key1])) {
$newData[$key][$value1] = $data[$key][$key1];
}
}
}
if (!empty($newData)) {
return $newData;
}
return $data;
}
/**
* Returns number of rows matching given SQL condition.
*
* @param array $conditions SQL conditions array for findAll
* @param int $recursize The number of levels deep to fetch associated records
* @return int Number of matching rows
* @see Model::findAll
*/
function findCount($conditions = null, $recursive = 0) {
list($data) = $this->findAll($conditions, 'COUNT(*) AS count', false, null, 1, $recursive);
if (isset($data[0]['count'])) {
return $data[0]['count'];
} elseif (isset($data[$this->name]['count'])) {
return $data[$this->name]['count'];
}
return false;
}
/**
* False if any fields passed match any (by default, all if $or = false) of their matching values.
*
* @param array $fields Field/value pairs to search (if no values specified, they are pulled from $this->data)
* @param boolean $or If false, all fields specified must match in order for a false return value
* @return boolean False if any records matching any fields are found
*/
function isUnique($fields, $or = true) {
if (!is_array($fields)) {
$fields = func_get_args();
if (is_bool($fields[count($fields) - 1])) {
$or = $fields[count($fields) - 1];
unset($fields[count($fields) - 1]);
}
}
foreach ($fields as $field => $value) {
if (is_numeric($field)) {
unset($fields[$field]);
$field = $value;
if (isset($this->data[$this->name][$field])) {
$value = $this->data[$this->name][$field];
} else {
$value = null;
}
}
if (strpos($field, '.') === false) {
unset($fields[$field]);
$fields[$this->name . '.' . $field] = $value;
}
}
if ($or) {
$fields = array('or' => $fields);
}
return ($this->findCount($fields) == 0);
}
/**
* Special findAll variation for tables joined to themselves.
* The table needs the fields id and parent_id to work.
*
* @param array $conditions Conditions for the findAll() call
* @param array $fields Fields for the findAll() call
* @param string $sort SQL ORDER BY statement
* @return array
* @todo Perhaps create a Component with this logic
*/
function findAllThreaded($conditions = null, $fields = null, $sort = null) {
return $this->__doThread(Model::findAll($conditions, $fields, $sort), null);
}
/**
* Private, recursive helper method for findAllThreaded.
*
* @param array $data
* @param string $root NULL or id for root node of operation
* @return array
* @access private
* @see findAllThreaded
*/
function __doThread($data, $root) {
$out = array();
$sizeOf = sizeof($data);
for($ii = 0; $ii < $sizeOf; $ii++) {
if (($data[$ii][$this->name]['parent_id'] == $root) || (($root === null) && ($data[$ii][$this->name]['parent_id'] == '0'))) {
$tmp = $data[$ii];
if (isset($data[$ii][$this->name][$this->primaryKey])) {
$tmp['children'] = $this->__doThread($data, $data[$ii][$this->name][$this->primaryKey]);
} else {
$tmp['children'] = null;
}
$out[] = $tmp;
}
}
return $out;
}
/**
* Returns an array with keys "prev" and "next" that holds the id's of neighbouring data,
* which is useful when creating paged lists.
*
* @param string $conditions SQL conditions for matching rows
* @param string $field Field name (parameter for findAll)
* @param unknown_type $value
* @return array Array with keys "prev" and "next" that holds the id's
*/
function findNeighbours($conditions = null, $field, $value) {
$db =& ConnectionManager::getDataSource($this->useDbConfig);
if (!is_null($conditions)) {
$conditions = $conditions . ' AND ';
}
@list($prev) = Model::findAll($conditions . $field . ' < ' . $db->value($value), $field, $field . ' DESC', 1, null, 0);
@list($next) = Model::findAll($conditions . $field . ' > ' . $db->value($value), $field, $field . ' ASC', 1, null, 0);
if (!isset($prev)) {
$prev = null;
}
if (!isset($next)) {
$next = null;
}
return array('prev' => $prev, 'next' => $next);
}
/**
* Returns a resultset for given SQL statement. Generic SQL queries should be made with this method.
*
* @param string $sql SQL statement
* @return array Resultset
*/
function query() {
$params = func_get_args();
$db =& ConnectionManager::getDataSource($this->useDbConfig);
return call_user_func_array(array(&$db, 'query'), $params);
}
/**
* Returns true if all fields pass validation, otherwise false.
*
* @return boolean True if there are no errors
*/
function validates($data = array()) {
if (!empty($data)) {
trigger_error(__('(Model::validates) Parameter usage is deprecated, set the $data property instead', true), E_USER_WARNING);
}
$errors = $this->invalidFields($data);
if (is_array($errors)) {
return count($errors) === 0;
}
return $errors;
}
/**
* Returns an array of invalid fields.
*
* @param array $data
* @return array Array of invalid fields or boolean case any error occurs
*/
function invalidFields($data = array()) {
if (!$this->beforeValidate()) {
return $this->validationErrors;
}
if (empty($data)) {
$data = $this->data;
} else {
trigger_error(__('(Model::invalidFields) Parameter usage is deprecated, set the $data property instead', true), E_USER_WARNING);
}
if (!isset($this->validate) || empty($this->validate)) {
return $this->validationErrors;
}
if (isset($data[$this->name])) {
$data = $data[$this->name];
}
$Validation = new Validation();
foreach($this->validate as $fieldName => $ruleSet) {
if (!is_array($ruleSet) || (is_array($ruleSet) && isset($ruleSet['rule']))) {
$ruleSet = array($ruleSet);
}
foreach ($ruleSet as $index => $validator) {
if (!is_array($validator)) {
$validator = array('rule' => $validator);
}
$validator = am(array(
'allowEmpty' => null,
'required' => null,
'rule' => 'blank',
'last' => false,
'on' => null
), $validator);
if (isset($validator['message'])) {
$message = $validator['message'];
} else {
$message = 'This field cannot be left blank';
}
if (empty($validator['on']) || ($validator['on'] == 'create' && !$this->exists()) || ($validator['on'] == 'update' && $this->exists())) {
if ((!isset($data[$fieldName]) && $validator['required'] === true) || (isset($data[$fieldName]) && (empty($data[$fieldName]) && $data[$fieldName] != 0) && $validator['allowEmpty'] === false)) {
$this->invalidate($fieldName, $message);
} elseif (isset($data[$fieldName])) {
if(empty($data[$fieldName]) && $validator['allowEmpty'] === true) {
break;
}
if (is_array($validator['rule'])) {
$rule = $validator['rule'][0];
unset($validator['rule'][0]);
$ruleParams = am(array($data[$fieldName]), array_values($validator['rule']));
} else {
$rule = $validator['rule'];
$ruleParams = array($data[$fieldName]);
}
$valid = true;
if (method_exists($this, $rule)) {
$valid = call_user_func_array(array(&$this, $rule), $ruleParams);
} elseif (method_exists($Validation, $rule)) {
$valid = call_user_func_array(array(&$Validation, $rule), $ruleParams);
} elseif (!is_array($validator['rule'])) {
$valid = preg_match($rule, $data[$fieldName]);
}
if (!$valid) {
if (!isset($validator['message'])) {
$validator['message'] = ife(is_string($index) || (is_numeric($index) && count($ruleSet) > 1), $index, $message);
}
$this->invalidate($fieldName, $validator['message']);
}
}
}
}
}
return $this->validationErrors;
}
/**
* Sets a field as invalid
*
* @param string $field The name of the field to invalidate
* @param mixed $value
* @return void
*/
function invalidate($field, $value = null) {
if (!is_array($this->validationErrors)) {
$this->validationErrors = array();
}
if (empty($value)) {
$value = true;
}
$this->validationErrors[$field] = $value;
}
/**
* Returns true if given field name is a foreign key in this Model.
*
* @param string $field Returns true if the input string ends in "_id"
* @return True if the field is a foreign key listed in the belongsTo array.
*/
function isForeignKey($field) {
$foreignKeys = array();
if (count($this->belongsTo)) {
foreach($this->belongsTo as $assoc => $data) {
$foreignKeys[] = $data['foreignKey'];
}
}
return (bool)(in_array($field, $foreignKeys));
}
/**
* Gets the display field for this model
*
* @return string The name of the display field for this Model (i.e. 'name', 'title').
*/
function getDisplayField() {
return $this->displayField;
}
/**
* Returns a resultset array with specified fields from database matching given conditions.
* Method can be used to generate option lists for SELECT elements.
*
* @param mixed $conditions SQL conditions as a string or as an array('field' =>'value',...)
* @param string $order SQL ORDER BY conditions (e.g. "price DESC" or "name ASC")
* @param int $limit SQL LIMIT clause, for calculating items per page
* @param string $keyPath A string path to the key, i.e. "{n}.Post.id"
* @param string $valuePath A string path to the value, i.e. "{n}.Post.title"
* @param string $groupPath A string path to a value to group the elements by, i.e. "{n}.Post.category_id"
* @return array An associative array of records, where the id is the key, and the display field is the value
*/
function generateList($conditions = null, $order = null, $limit = null, $keyPath = null, $valuePath = null, $groupPath = null) {
if ($keyPath == null && $valuePath == null && $groupPath == null && $this->hasField($this->displayField)) {
$fields = array($this->primaryKey, $this->displayField);
} else {
$fields = null;
}
$recursive = $this->recursive;
if($groupPath == null && $recursive >= 1) {
$this->recursive = -1;
} else if($groupPath && $recursive >= 1){
$this->recursive = 0;
}
$result = $this->findAll($conditions, $fields, $order, $limit);
$this->recursive = $recursive;
if(!$result) {
return false;
}
if ($keyPath == null) {
$keyPath = '{n}.' . $this->name . '.' . $this->primaryKey;
}
if ($valuePath == null) {
$valuePath = '{n}.' . $this->name . '.' . $this->displayField;
}
$keys = Set::extract($result, $keyPath);
$vals = Set::extract($result, $valuePath);
if (!empty($keys) && !empty($vals)) {
$out = array();
if ($groupPath != null) {
$group = Set::extract($result, $groupPath);
if (!empty($group)) {
$c = count($keys);
for ($i = 0; $i < $c; $i++) {
if(!isset($group[$i])) {
$group[$i] = 0;
}
if (!isset($out[$group[$i]])) {
$out[$group[$i]] = array();
}
$out[$group[$i]][$keys[$i]] = $vals[$i];
}
return $out;
}
}
$return = array_combine($keys, $vals);
return $return;
}
return null;
}
/**
* Escapes the field name and prepends the model name. Escaping will be done according to the current database driver's rules.
*
* @param unknown_type $field
* @return string The name of the escaped field for this Model (i.e. id becomes `Post`.`id`).
*/
function escapeField($field = null, $alias = null) {
if (empty($alias)) {
$alias = $this->name;
}
if (empty($field)) {
$field = $this->primaryKey;
}
$db =& ConnectionManager::getDataSource($this->useDbConfig);
return $db->name($alias) . '.' . $db->name($field);
}
/**
* Returns the current record's ID
*
* @param unknown_type $list
* @return mixed The ID of the current record
*/
function getID($list = 0) {
if (empty($this->id) || (is_array($this->id) && isset($this->id[0]) && empty($this->id[0]))) {
return false;
}
if (!is_array($this->id)) {
return $this->id;
}
if (count($this->id) == 0) {
return false;
}
if (isset($this->id[$list]) && !empty($this->id[$list])) {
return $this->id[$list];
} elseif (isset($this->id[$list])) {
return false;
}
foreach($this->id as $id) {
return $id;
}
return false;
}
/**
* Returns the ID of the last record this Model inserted
*
* @return mixed
*/
function getLastInsertID() {
return $this->getInsertID();
}
/**
* Returns the ID of the last record this Model inserted
*
* @return mixed
*/
function getInsertID() {
return $this->__insertID;
}
/**
* Sets the ID of the last record this Model inserted
*
* @param mixed $id
* @return void
*/
function setInsertID($id) {
$this->__insertID = $id;
}
/**
* Returns the number of rows returned from the last query
*
* @return int
*/
function getNumRows() {
//return $this->__numRows;
$db =& ConnectionManager::getDataSource($this->useDbConfig);
return $db->lastNumRows();
}
/**
* Returns the number of rows affected by the last query
*
* @return int
*/
function getAffectedRows() {
//return $this->__affectedRows;
$db =& ConnectionManager::getDataSource($this->useDbConfig);
return $db->lastAffected();
}
/**
* Sets the DataSource to which this model is bound
*
* @param string $dataSource The name of the DataSource, as defined in Connections.php
* @return boolean True on success
*/
function setDataSource($dataSource = null) {
if ($dataSource != null) {
$this->useDbConfig = $dataSource;
}
$db =& ConnectionManager::getDataSource($this->useDbConfig);
if (!empty($db->config['prefix']) && $this->tablePrefix == null) {
$this->tablePrefix = $db->config['prefix'];
}
if (empty($db) || $db == null || !is_object($db)) {
return $this->cakeError('missingConnection', array(array('className' => $this->name)));
}
}
/**
* Gets the DataSource to which this model is bound.
* Not safe for use with some versions of PHP4, because this class is overloaded.
*
* @return DataSource A DataSource object
*/
function &getDataSource() {
$db =& ConnectionManager::getDataSource($this->useDbConfig);
return $db;
}
/**
* Gets all the models with which this model is associated
*
* @param string $type
* @return array
*/
function getAssociated($type = null) {
if ($type == null) {
$associated = array();
foreach ($this->__associations as $assoc) {
if (!empty($this->{$assoc})) {
$models = array_keys($this->{$assoc});
foreach ($models as $m) {
$associated[$m] = $assoc;
}
}
}
return $associated;
} elseif (in_array($type, $this->__associations)) {
if (empty($this->{$type})) {
return array();
}
return array_keys($this->{$type});
} else {
$assoc = am($this->hasOne, $this->hasMany, $this->belongsTo, $this->hasAndBelongsToMany);
if (array_key_exists($type, $assoc)) {
foreach ($this->__associations as $a) {
if (isset($this->{$a}[$type])) {
$assoc[$type]['association'] = $a;
break;
}
}
return $assoc[$type];
}
return null;
}
}
/**
* Before find callback
*
* @param array $queryData Data used to execute this query, i.e. conditions, order, etc.
* @return boolean True if the operation should continue, false if it should abort
*/
function beforeFind($queryData) {
return true;
}
/**
* After find callback. Can be used to modify any results returned by find and findAll.
*
* @param mixed $results The results of the find operation
* @param boolean $primary Whether this model is being queried directly (vs. being queried as an association)
* @return mixed Result of the find operation
*/
function afterFind($results, $primary = false) {
return $results;
}
/**
* Before save callback
*
* @return boolean True if the operation should continue, false if it should abort
*/
function beforeSave() {
return true;
}
/**
* After save callback
*
* @param boolean $created True if this save created a new record
* @return void
*/
function afterSave($created) {
}
/**
* Before delete callback
*
* @return boolean True if the operation should continue, false if it should abort
*/
function beforeDelete() {
return true;
}
/**
* After delete callback
*
* @return void
*/
function afterDelete() {
}
/**
* Before validate callback
*
* @return True if validate operation should continue, false to abort
*/
function beforeValidate() {
return true;
}
/**
* DataSource error callback
*
* @return void
*/
function onError() {
}
/**
* Private method. Clears cache for this model
*
* @param string $type If null this deletes cached views if CACHE_CHECK is true
* Will be used to allow deleting query cache also
* @return boolean true on delete
*/
function _clearCache($type = null) {
if ($type === null) {
if (defined('CACHE_CHECK') && CACHE_CHECK === true) {
$assoc[] = strtolower(Inflector::pluralize($this->name));
foreach($this->__associations as $key => $association) {
foreach($this->$association as $key => $className) {
$check = strtolower(Inflector::pluralize($className['className']));
if (!in_array($check, $assoc)) {
$assoc[] = strtolower(Inflector::pluralize($className['className']));
}
}
}
clearCache($assoc);
return true;
}
} else {
//Will use for query cache deleting
}
}
/**
* Called when serializing a model
*
* @return array
*/
function __sleep() {
$return = array_keys(get_object_vars($this));
return $return;
}
/**
* Called when unserializing a model
*
* @return void
*/
function __wakeup() {
}
}
if (!defined('CAKEPHP_UNIT_TEST_EXECUTION')) {
Overloadable::overload('Model');
}
?>