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Model.php
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Model.php
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<?php
/**
* Object-relational mapper.
*
* DBO-backed object data model, for mapping database tables to CakePHP objects.
*
* PHP 5
*
* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
* Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
*
* Licensed under The MIT License
* For full copyright and license information, please see the LICENSE.txt
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
* @link http://cakephp.org CakePHP(tm) Project
* @package Cake.Model
* @since CakePHP(tm) v 0.10.0.0
* @license http://www.opensource.org/licenses/mit-license.php MIT License
*/
App::uses('ClassRegistry', 'Utility');
App::uses('Validation', 'Utility');
App::uses('String', 'Utility');
App::uses('Hash', 'Utility');
App::uses('BehaviorCollection', 'Model');
App::uses('ModelBehavior', 'Model');
App::uses('ModelValidator', 'Model');
App::uses('ConnectionManager', 'Model');
App::uses('Xml', 'Utility');
App::uses('CakeEvent', 'Event');
App::uses('CakeEventListener', 'Event');
App::uses('CakeEventManager', 'Event');
/**
* 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' primary key.
*
* @package Cake.Model
* @link http://book.cakephp.org/2.0/en/models.html
*/
class Model extends Object implements CakeEventListener {
/**
* The name of the DataSource connection that this Model uses
*
* The value must be an attribute name that you defined in `app/Config/database.php`
* or created using `ConnectionManager::create()`.
*
* @var string
* @link http://book.cakephp.org/2.0/en/models/model-attributes.html#usedbconfig
*/
public $useDbConfig = 'default';
/**
* Custom database table name, or null/false if no table association is desired.
*
* @var string
* @link http://book.cakephp.org/2.0/en/models/model-attributes.html#usetable
*/
public $useTable = null;
/**
* Custom display field name. Display fields are used by Scaffold, in SELECT boxes' OPTION elements.
*
* This field is also used in `find('list')` when called with no extra parameters in the fields list
*
* @var string
* @link http://book.cakephp.org/2.0/en/models/model-attributes.html#displayfield
*/
public $displayField = null;
/**
* Value of the primary key ID of the record that this model is currently pointing to.
* Automatically set after database insertions.
*
* @var mixed
*/
public $id = false;
/**
* Container for the data that this model gets from persistent storage (usually, a database).
*
* @var array
* @link http://book.cakephp.org/2.0/en/models/model-attributes.html#data
*/
public $data = array();
/**
* Holds physical schema/database name for this model. Automatically set during Model creation.
*
* @var string
*/
public $schemaName = null;
/**
* Table name for this Model.
*
* @var string
*/
public $table = false;
/**
* The name of the primary key field for this model.
*
* @var string
* @link http://book.cakephp.org/2.0/en/models/model-attributes.html#primaryKey
*/
public $primaryKey = null;
/**
* Field-by-field table metadata.
*
* @var array
*/
protected $_schema = null;
/**
* List of validation rules. It must be an array with the field name as key and using
* as value one of the following possibilities
*
* ### Validating using regular expressions
*
* {{{
* public $validate = array(
* 'name' => '/^[a-z].+$/i'
* );
* }}}
*
* ### Validating using methods (no parameters)
*
* {{{
* public $validate = array(
* 'name' => 'notEmpty'
* );
* }}}
*
* ### Validating using methods (with parameters)
*
* {{{
* public $validate = array(
* 'age' => array(
* 'rule' => array('between', 5, 25)
* )
* );
* }}}
*
* ### Validating using custom method
*
* {{{
* public $validate = array(
* 'password' => array(
* 'rule' => array('customValidation')
* )
* );
* public function customValidation($data) {
* // $data will contain array('password' => 'value')
* if (isset($this->data[$this->alias]['password2'])) {
* return $this->data[$this->alias]['password2'] === current($data);
* }
* return true;
* }
* }}}
*
* ### Validations with messages
*
* The messages will be used in Model::$validationErrors and can be used in the FormHelper
*
* {{{
* public $validate = array(
* 'age' => array(
* 'rule' => array('between', 5, 25),
* 'message' => array('The age must be between %d and %d.')
* )
* );
* }}}
*
* ### Multiple validations to the same field
*
* {{{
* public $validate = array(
* 'login' => array(
* array(
* 'rule' => 'alphaNumeric',
* 'message' => 'Only alphabets and numbers allowed',
* 'last' => true
* ),
* array(
* 'rule' => array('minLength', 8),
* 'message' => array('Minimum length of %d characters')
* )
* )
* );
* }}}
*
* ### Valid keys in validations
*
* - `rule`: String with method name, regular expression (started by slash) or array with method and parameters
* - `message`: String with the message or array if have multiple parameters. See http://php.net/sprintf
* - `last`: Boolean value to indicate if continue validating the others rules if the current fail [Default: true]
* - `required`: Boolean value to indicate if the field must be present on save
* - `allowEmpty`: Boolean value to indicate if the field can be empty
* - `on`: Possible values: `update`, `create`. Indicate to apply this rule only on update or create
*
* @var array
* @link http://book.cakephp.org/2.0/en/models/model-attributes.html#validate
* @link http://book.cakephp.org/2.0/en/models/data-validation.html
*/
public $validate = array();
/**
* List of validation errors.
*
* @var array
*/
public $validationErrors = array();
/**
* Name of the validation string domain to use when translating validation errors.
*
* @var string
*/
public $validationDomain = null;
/**
* Database table prefix for tables in model.
*
* @var string
* @link http://book.cakephp.org/2.0/en/models/model-attributes.html#tableprefix
*/
public $tablePrefix = null;
/**
* Plugin model belongs to.
*
* @var string
*/
public $plugin = null;
/**
* Name of the model.
*
* @var string
* @link http://book.cakephp.org/2.0/en/models/model-attributes.html#name
*/
public $name = null;
/**
* Alias name for model.
*
* @var string
*/
public $alias = null;
/**
* List of table names included in the model description. Used for associations.
*
* @var array
*/
public $tableToModel = array();
/**
* Whether or not to cache queries for this model. This enables in-memory
* caching only, the results are not stored beyond the current request.
*
* @var boolean
* @link http://book.cakephp.org/2.0/en/models/model-attributes.html#cachequeries
*/
public $cacheQueries = false;
/**
* Detailed list of belongsTo associations.
*
* ### Basic usage
*
* `public $belongsTo = array('Group', 'Department');`
*
* ### Detailed configuration
*
* {{{
* public $belongsTo = array(
* 'Group',
* 'Department' => array(
* 'className' => 'Department',
* 'foreignKey' => 'department_id'
* )
* );
* }}}
*
* ### Possible keys in association
*
* - `className`: the class name of the model being associated to the current model.
* If you're defining a 'Profile belongsTo User' relationship, the className key should equal 'User.'
* - `foreignKey`: the name of the foreign key found in the current model. This is
* especially handy if you need to define multiple belongsTo relationships. The default
* value for this key is the underscored, singular name of the other model, suffixed with '_id'.
* - `conditions`: An SQL fragment used to filter related model records. It's good
* practice to use model names in SQL fragments: 'User.active = 1' is always
* better than just 'active = 1.'
* - `type`: the type of the join to use in the SQL query, default is LEFT which
* may not fit your needs in all situations, INNER may be helpful when you want
* everything from your main and associated models or nothing at all!(effective
* when used with some conditions of course). (NB: type value is in lower case - i.e. left, inner)
* - `fields`: A list of fields to be retrieved when the associated model data is
* fetched. Returns all fields by default.
* - `order`: An SQL fragment that defines the sorting order for the returned associated rows.
* - `counterCache`: If set to true the associated Model will automatically increase or
* decrease the "[singular_model_name]_count" field in the foreign table whenever you do
* a save() or delete(). If its a string then its the field name to use. The value in the
* counter field represents the number of related rows.
* - `counterScope`: Optional conditions array to use for updating counter cache field.
*
* @var array
* @link http://book.cakephp.org/2.0/en/models/associations-linking-models-together.html#belongsto
*/
public $belongsTo = array();
/**
* Detailed list of hasOne associations.
*
* ### Basic usage
*
* `public $hasOne = array('Profile', 'Address');`
*
* ### Detailed configuration
*
* {{{
* public $hasOne = array(
* 'Profile',
* 'Address' => array(
* 'className' => 'Address',
* 'foreignKey' => 'user_id'
* )
* );
* }}}
*
* ### Possible keys in association
*
* - `className`: the class name of the model being associated to the current model.
* If you're defining a 'User hasOne Profile' relationship, the className key should equal 'Profile.'
* - `foreignKey`: the name of the foreign key found in the other model. This is
* especially handy if you need to define multiple hasOne relationships.
* The default value for this key is the underscored, singular name of the
* current model, suffixed with '_id'. In the example above it would default to 'user_id'.
* - `conditions`: An SQL fragment used to filter related model records. It's good
* practice to use model names in SQL fragments: "Profile.approved = 1" is
* always better than just "approved = 1."
* - `fields`: A list of fields to be retrieved when the associated model data is
* fetched. Returns all fields by default.
* - `order`: An SQL fragment that defines the sorting order for the returned associated rows.
* - `dependent`: When the dependent key is set to true, and the model's delete()
* method is called with the cascade parameter set to true, associated model
* records are also deleted. In this case we set it true so that deleting a
* User will also delete her associated Profile.
*
* @var array
* @link http://book.cakephp.org/2.0/en/models/associations-linking-models-together.html#hasone
*/
public $hasOne = array();
/**
* Detailed list of hasMany associations.
*
* ### Basic usage
*
* `public $hasMany = array('Comment', 'Task');`
*
* ### Detailed configuration
*
* {{{
* public $hasMany = array(
* 'Comment',
* 'Task' => array(
* 'className' => 'Task',
* 'foreignKey' => 'user_id'
* )
* );
* }}}
*
* ### Possible keys in association
*
* - `className`: the class name of the model being associated to the current model.
* If you're defining a 'User hasMany Comment' relationship, the className key should equal 'Comment.'
* - `foreignKey`: the name of the foreign key found in the other model. This is
* especially handy if you need to define multiple hasMany relationships. The default
* value for this key is the underscored, singular name of the actual model, suffixed with '_id'.
* - `conditions`: An SQL fragment used to filter related model records. It's good
* practice to use model names in SQL fragments: "Comment.status = 1" is always
* better than just "status = 1."
* - `fields`: A list of fields to be retrieved when the associated model data is
* fetched. Returns all fields by default.
* - `order`: An SQL fragment that defines the sorting order for the returned associated rows.
* - `limit`: The maximum number of associated rows you want returned.
* - `offset`: The number of associated rows to skip over (given the current
* conditions and order) before fetching and associating.
* - `dependent`: When dependent is set to true, recursive model deletion is
* possible. In this example, Comment records will be deleted when their
* associated User record has been deleted.
* - `exclusive`: When exclusive is set to true, recursive model deletion does
* the delete with a deleteAll() call, instead of deleting each entity separately.
* This greatly improves performance, but may not be ideal for all circumstances.
* - `finderQuery`: A complete SQL query CakePHP can use to fetch associated model
* records. This should be used in situations that require very custom results.
*
* @var array
* @link http://book.cakephp.org/2.0/en/models/associations-linking-models-together.html#hasmany
*/
public $hasMany = array();
/**
* Detailed list of hasAndBelongsToMany associations.
*
* ### Basic usage
*
* `public $hasAndBelongsToMany = array('Role', 'Address');`
*
* ### Detailed configuration
*
* {{{
* public $hasAndBelongsToMany = array(
* 'Role',
* 'Address' => array(
* 'className' => 'Address',
* 'foreignKey' => 'user_id',
* 'associationForeignKey' => 'address_id',
* 'joinTable' => 'addresses_users'
* )
* );
* }}}
*
* ### Possible keys in association
*
* - `className`: the class name of the model being associated to the current model.
* If you're defining a 'Recipe HABTM Tag' relationship, the className key should equal 'Tag.'
* - `joinTable`: The name of the join table used in this association (if the
* current table doesn't adhere to the naming convention for HABTM join tables).
* - `with`: Defines the name of the model for the join table. By default CakePHP
* will auto-create a model for you. Using the example above it would be called
* RecipesTag. By using this key you can override this default name. The join
* table model can be used just like any "regular" model to access the join table directly.
* - `foreignKey`: the name of the foreign key found in the current model.
* This is especially handy if you need to define multiple HABTM relationships.
* The default value for this key is the underscored, singular name of the
* current model, suffixed with '_id'.
* - `associationForeignKey`: the name of the foreign key found in the other model.
* This is especially handy if you need to define multiple HABTM relationships.
* The default value for this key is the underscored, singular name of the other
* model, suffixed with '_id'.
* - `unique`: If true (default value) cake will first delete existing relationship
* records in the foreign keys table before inserting new ones, when updating a
* record. So existing associations need to be passed again when updating.
* To prevent deletion of existing relationship records, set this key to a string 'keepExisting'.
* - `conditions`: An SQL fragment used to filter related model records. It's good
* practice to use model names in SQL fragments: "Comment.status = 1" is always
* better than just "status = 1."
* - `fields`: A list of fields to be retrieved when the associated model data is
* fetched. Returns all fields by default.
* - `order`: An SQL fragment that defines the sorting order for the returned associated rows.
* - `limit`: The maximum number of associated rows you want returned.
* - `offset`: The number of associated rows to skip over (given the current
* conditions and order) before fetching and associating.
* - `finderQuery`, A complete SQL query CakePHP
* can use to fetch associated model records. This should
* be used in situations that require very custom results.
*
* @var array
* @link http://book.cakephp.org/2.0/en/models/associations-linking-models-together.html#hasandbelongstomany-habtm
*/
public $hasAndBelongsToMany = array();
/**
* List of behaviors to load when the model object is initialized. Settings can be
* passed to behaviors by using the behavior name as index. Eg:
*
* public $actsAs = array('Translate', 'MyBehavior' => array('setting1' => 'value1'))
*
* @var array
* @link http://book.cakephp.org/2.0/en/models/behaviors.html#using-behaviors
*/
public $actsAs = null;
/**
* Holds the Behavior objects currently bound to this model.
*
* @var BehaviorCollection
*/
public $Behaviors = null;
/**
* Whitelist of fields allowed to be saved.
*
* @var array
*/
public $whitelist = array();
/**
* Whether or not to cache sources for this model.
*
* @var boolean
*/
public $cacheSources = true;
/**
* Type of find query currently executing.
*
* @var string
*/
public $findQueryType = null;
/**
* Number of associations to recurse through during find calls. Fetches only
* the first level by default.
*
* @var integer
* @link http://book.cakephp.org/2.0/en/models/model-attributes.html#recursive
*/
public $recursive = 1;
/**
* The column name(s) and direction(s) to order find results by default.
*
* public $order = "Post.created DESC";
* public $order = array("Post.view_count DESC", "Post.rating DESC");
*
* @var string
* @link http://book.cakephp.org/2.0/en/models/model-attributes.html#order
*/
public $order = null;
/**
* Array of virtual fields this model has. Virtual fields are aliased
* SQL expressions. Fields added to this property will be read as other fields in a model
* but will not be saveable.
*
* `public $virtualFields = array('two' => '1 + 1');`
*
* Is a simplistic example of how to set virtualFields
*
* @var array
* @link http://book.cakephp.org/2.0/en/models/model-attributes.html#virtualfields
*/
public $virtualFields = array();
/**
* Default list of association keys.
*
* @var array
*/
protected $_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', 'with', 'foreignKey', 'associationForeignKey', 'conditions', 'fields', 'order', 'limit', 'offset', 'unique', 'finderQuery')
);
/**
* Holds provided/generated association key names and other data for all associations.
*
* @var array
*/
protected $_associations = array('belongsTo', 'hasOne', 'hasMany', 'hasAndBelongsToMany');
// @codingStandardsIgnoreStart
/**
* Holds model associations temporarily to allow for dynamic (un)binding.
*
* @var array
*/
public $__backAssociation = array();
/**
* Back inner association
*
* @var array
*/
public $__backInnerAssociation = array();
/**
* Back original association
*
* @var array
*/
public $__backOriginalAssociation = array();
/**
* Back containable association
*
* @var array
*/
public $__backContainableAssociation = array();
// @codingStandardsIgnoreEnd
/**
* The ID of the model record that was last inserted.
*
* @var integer
*/
protected $_insertID = null;
/**
* Has the datasource been configured.
*
* @var boolean
* @see Model::getDataSource
*/
protected $_sourceConfigured = false;
/**
* List of valid finder method options, supplied as the first parameter to find().
*
* @var array
*/
public $findMethods = array(
'all' => true, 'first' => true, 'count' => true,
'neighbors' => true, 'list' => true, 'threaded' => true
);
/**
* Instance of the CakeEventManager this model is using
* to dispatch inner events.
*
* @var CakeEventManager
*/
protected $_eventManager = null;
/**
* Instance of the ModelValidator
*
* @var ModelValidator
*/
protected $_validator = null;
/**
* Constructor. Binds the model's database table to the object.
*
* If `$id` is an array it can be used to pass several options into the model.
*
* - `id`: The id to start the model on.
* - `table`: The table to use for this model.
* - `ds`: The connection name this model is connected to.
* - `name`: The name of the model eg. Post.
* - `alias`: The alias of the model, this is used for registering the instance in the `ClassRegistry`.
* eg. `ParentThread`
*
* ### Overriding Model's __construct method.
*
* When overriding Model::__construct() be careful to include and pass in all 3 of the
* arguments to `parent::__construct($id, $table, $ds);`
*
* ### Dynamically creating models
*
* You can dynamically create model instances using the $id array syntax.
*
* {{{
* $Post = new Model(array('table' => 'posts', 'name' => 'Post', 'ds' => 'connection2'));
* }}}
*
* Would create a model attached to the posts table on connection2. Dynamic model creation is useful
* when you want a model object that contains no associations or attached behaviors.
*
* @param integer|string|array $id Set this ID for this model on startup, can also be an array of options, see above.
* @param string $table Name of database table to use.
* @param string $ds DataSource connection name.
*/
public function __construct($id = false, $table = null, $ds = null) {
parent::__construct();
if (is_array($id)) {
extract(array_merge(
array(
'id' => $this->id, 'table' => $this->useTable, 'ds' => $this->useDbConfig,
'name' => $this->name, 'alias' => $this->alias, 'plugin' => $this->plugin
),
$id
));
}
if ($this->plugin === null) {
$this->plugin = (isset($plugin) ? $plugin : $this->plugin);
}
if ($this->name === null) {
$this->name = (isset($name) ? $name : get_class($this));
}
if ($this->alias === null) {
$this->alias = (isset($alias) ? $alias : $this->name);
}
if ($this->primaryKey === null) {
$this->primaryKey = 'id';
}
ClassRegistry::addObject($this->alias, $this);
$this->id = $id;
unset($id);
if ($table === false) {
$this->useTable = false;
} elseif ($table) {
$this->useTable = $table;
}
if ($ds !== null) {
$this->useDbConfig = $ds;
}
if (is_subclass_of($this, 'AppModel')) {
$merge = array('actsAs', 'findMethods');
$parentClass = get_parent_class($this);
if ($parentClass !== 'AppModel') {
$this->_mergeVars($merge, $parentClass);
}
$this->_mergeVars($merge, 'AppModel');
}
$this->_mergeVars(array('findMethods'), 'Model');
$this->Behaviors = new BehaviorCollection();
if ($this->useTable !== false) {
if ($this->useTable === null) {
$this->useTable = Inflector::tableize($this->name);
}
if (!$this->displayField) {
unset($this->displayField);
}
$this->table = $this->useTable;
$this->tableToModel[$this->table] = $this->alias;
} elseif ($this->table === false) {
$this->table = Inflector::tableize($this->name);
}
if ($this->tablePrefix === null) {
unset($this->tablePrefix);
}
$this->_createLinks();
$this->Behaviors->init($this->alias, $this->actsAs);
}
/**
* Returns a list of all events that will fire in the model during it's lifecycle.
* You can override this function to add you own listener callbacks
*
* @return array
*/
public function implementedEvents() {
return array(
'Model.beforeFind' => array('callable' => 'beforeFind', 'passParams' => true),
'Model.afterFind' => array('callable' => 'afterFind', 'passParams' => true),
'Model.beforeValidate' => array('callable' => 'beforeValidate', 'passParams' => true),
'Model.afterValidate' => array('callable' => 'afterValidate'),
'Model.beforeSave' => array('callable' => 'beforeSave', 'passParams' => true),
'Model.afterSave' => array('callable' => 'afterSave', 'passParams' => true),
'Model.beforeDelete' => array('callable' => 'beforeDelete', 'passParams' => true),
'Model.afterDelete' => array('callable' => 'afterDelete'),
);
}
/**
* Returns the CakeEventManager manager instance that is handling any callbacks.
* You can use this instance to register any new listeners or callbacks to the
* model events, or create your own events and trigger them at will.
*
* @return CakeEventManager
*/
public function getEventManager() {
if (empty($this->_eventManager)) {
$this->_eventManager = new CakeEventManager();
$this->_eventManager->attach($this->Behaviors);
$this->_eventManager->attach($this);
}
return $this->_eventManager;
}
/**
* 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 $params Parameters for the method.
* @return mixed Whatever is returned by called method
*/
public function __call($method, $params) {
$result = $this->Behaviors->dispatchMethod($this, $method, $params);
if ($result !== array('unhandled')) {
return $result;
}
return $this->getDataSource()->query($method, $params, $this);
}
/**
* Handles the lazy loading of model associations by looking in the association arrays for the requested variable
*
* @param string $name variable tested for existence in class
* @return boolean true if the variable exists (if is a not loaded model association it will be created), false otherwise
*/
public function __isset($name) {
$className = false;
foreach ($this->_associations as $type) {
if (isset($name, $this->{$type}[$name])) {
$className = empty($this->{$type}[$name]['className']) ? $name : $this->{$type}[$name]['className'];
break;
} elseif (isset($name, $this->__backAssociation[$type][$name])) {
$className = empty($this->__backAssociation[$type][$name]['className']) ?
$name : $this->__backAssociation[$type][$name]['className'];
break;
} elseif ($type === 'hasAndBelongsToMany') {
foreach ($this->{$type} as $k => $relation) {
if (empty($relation['with'])) {
continue;
}
if (is_array($relation['with'])) {
if (key($relation['with']) === $name) {
$className = $name;
}
} else {
list($plugin, $class) = pluginSplit($relation['with']);
if ($class === $name) {
$className = $relation['with'];
}
}
if ($className) {
$assocKey = $k;
$dynamic = !empty($relation['dynamicWith']);
break(2);
}
}
}
}
if (!$className) {
return false;
}
list($plugin, $className) = pluginSplit($className);
if (!ClassRegistry::isKeySet($className) && !empty($dynamic)) {
$this->{$className} = new AppModel(array(
'name' => $className,
'table' => $this->hasAndBelongsToMany[$assocKey]['joinTable'],
'ds' => $this->useDbConfig
));
} else {
$this->_constructLinkedModel($name, $className, $plugin);
}
if (!empty($assocKey)) {
$this->hasAndBelongsToMany[$assocKey]['joinTable'] = $this->{$name}->table;
if (count($this->{$name}->schema()) <= 2 && $this->{$name}->primaryKey !== false) {
$this->{$name}->primaryKey = $this->hasAndBelongsToMany[$assocKey]['foreignKey'];
}
}
return true;
}
/**
* Returns the value of the requested variable if it can be set by __isset()
*
* @param string $name variable requested for it's value or reference
* @return mixed value of requested variable if it is set
*/
public function __get($name) {
if ($name === 'displayField') {
return $this->displayField = $this->hasField(array('title', 'name', $this->primaryKey));
}
if ($name === 'tablePrefix') {
$this->setDataSource();
if (property_exists($this, 'tablePrefix') && !empty($this->tablePrefix)) {
return $this->tablePrefix;
}
return $this->tablePrefix = null;
}
if (isset($this->{$name})) {
return $this->{$name};
}
}
/**
* Bind model associations on the fly.
*
* If `$reset` is false, association will not be reset
* to the originals defined in the model
*
* Example: Add a new hasOne binding to the Profile model not
* defined in the model source code:
*
* `$this->User->bindModel( array('hasOne' => array('Profile')) );`
*
* Bindings that are not made permanent will be reset by the next Model::find() call on this
* model.
*
* @param array $params Set of bindings (indexed by binding type)
* @param boolean $reset Set to false to make the binding permanent
* @return boolean Success
* @link http://book.cakephp.org/2.0/en/models/associations-linking-models-together.html#creating-and-destroying-associations-on-the-fly
*/
public function bindModel($params, $reset = true) {
foreach ($params as $assoc => $model) {
if ($reset === true && !isset($this->__backAssociation[$assoc])) {
$this->__backAssociation[$assoc] = $this->{$assoc};
}
foreach ($model as $key => $value) {
$assocName = $key;
if (is_numeric($key)) {
$assocName = $value;
$value = array();
}
$this->{$assoc}[$assocName] = $value;
if (property_exists($this, $assocName)) {
unset($this->{$assocName});
}
if ($reset === false && isset($this->__backAssociation[$assoc])) {
$this->__backAssociation[$assoc][$assocName] = $value;
}
}
}
$this->_createLinks();
return true;
}
/**
* Turn off associations on the fly.
*
* If $reset is false, association will not be reset
* to the originals defined in the model
*
* Example: Turn off the associated Model Support request,
* to temporarily lighten the User model:
*
* `$this->User->unbindModel( array('hasMany' => array('Supportrequest')) );`
*
* unbound models that are not made permanent will reset with the next call to Model::find()
*
* @param array $params Set of bindings to unbind (indexed by binding type)
* @param boolean $reset Set to false to make the unbinding permanent
* @return boolean Success
* @link http://book.cakephp.org/2.0/en/models/associations-linking-models-together.html#creating-and-destroying-associations-on-the-fly
*/
public function unbindModel($params, $reset = true) {
foreach ($params as $assoc => $models) {
if ($reset === true && !isset($this->__backAssociation[$assoc])) {
$this->__backAssociation[$assoc] = $this->{$assoc};
}
foreach ($models as $model) {
if ($reset === false && isset($this->__backAssociation[$assoc][$model])) {
unset($this->__backAssociation[$assoc][$model]);
}
unset($this->{$assoc}[$model]);
}
}
return true;
}
/**
* Create a set of associations.
*
* @return void
*/
protected function _createLinks() {
foreach ($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}[$className] = array();
}
}
if (!empty($this->{$type})) {