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<?php
/**
* CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
* Copyright (c) Cake Software Foundation, Inc. (https://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. (https://cakefoundation.org)
* @link https://cakephp.org CakePHP(tm) Project
* @since 3.0.0
* @license https://opensource.org/licenses/mit-license.php MIT License
*/
namespace Cake\ORM;
use ArrayObject;
use BadMethodCallException;
use Cake\Core\App;
use Cake\Database\Schema\TableSchema;
use Cake\Database\Type;
use Cake\Datasource\ConnectionInterface;
use Cake\Datasource\EntityInterface;
use Cake\Datasource\Exception\InvalidPrimaryKeyException;
use Cake\Datasource\RepositoryInterface;
use Cake\Datasource\RulesAwareTrait;
use Cake\Event\EventDispatcherInterface;
use Cake\Event\EventDispatcherTrait;
use Cake\Event\EventListenerInterface;
use Cake\Event\EventManager;
use Cake\ORM\Association\BelongsTo;
use Cake\ORM\Association\BelongsToMany;
use Cake\ORM\Association\HasMany;
use Cake\ORM\Association\HasOne;
use Cake\ORM\Exception\MissingEntityException;
use Cake\ORM\Exception\PersistenceFailedException;
use Cake\ORM\Exception\RolledbackTransactionException;
use Cake\ORM\Rule\IsUnique;
use Cake\Utility\Inflector;
use Cake\Validation\ValidatorAwareInterface;
use Cake\Validation\ValidatorAwareTrait;
use InvalidArgumentException;
use RuntimeException;
/**
* Represents a single database table.
*
* Exposes methods for retrieving data out of it, and manages the associations
* this table has to other tables. Multiple instances of this class can be created
* for the same database table with different aliases, this allows you to address
* your database structure in a richer and more expressive way.
*
* ### Retrieving data
*
* The primary way to retrieve data is using Table::find(). See that method
* for more information.
*
* ### Dynamic finders
*
* In addition to the standard find($type) finder methods, CakePHP provides dynamic
* finder methods. These methods allow you to easily set basic conditions up. For example
* to filter users by username you would call
*
* ```
* $query = $users->findByUsername('mark');
* ```
*
* You can also combine conditions on multiple fields using either `Or` or `And`:
*
* ```
* $query = $users->findByUsernameOrEmail('mark', 'mark@example.org');
* ```
*
* ### Bulk updates/deletes
*
* You can use Table::updateAll() and Table::deleteAll() to do bulk updates/deletes.
* You should be aware that events will *not* be fired for bulk updates/deletes.
*
* ### Callbacks/events
*
* Table objects provide a few callbacks/events you can hook into to augment/replace
* find operations. Each event uses the standard event subsystem in CakePHP
*
* - `beforeFind(Event $event, Query $query, ArrayObject $options, boolean $primary)`
* Fired before each find operation. By stopping the event and supplying a
* return value you can bypass the find operation entirely. Any changes done
* to the $query instance will be retained for the rest of the find. The
* $primary parameter indicates whether or not this is the root query,
* or an associated query.
*
* - `buildValidator(Event $event, Validator $validator, string $name)`
* Allows listeners to modify validation rules for the provided named validator.
*
* - `buildRules(Event $event, RulesChecker $rules)`
* Allows listeners to modify the rules checker by adding more rules.
*
* - `beforeRules(Event $event, EntityInterface $entity, ArrayObject $options, string $operation)`
* Fired before an entity is validated using the rules checker. By stopping this event,
* you can return the final value of the rules checking operation.
*
* - `afterRules(Event $event, EntityInterface $entity, ArrayObject $options, bool $result, string $operation)`
* Fired after the rules have been checked on the entity. By stopping this event,
* you can return the final value of the rules checking operation.
*
* - `beforeSave(Event $event, EntityInterface $entity, ArrayObject $options)`
* Fired before each entity is saved. Stopping this event will abort the save
* operation. When the event is stopped the result of the event will be returned.
*
* - `afterSave(Event $event, EntityInterface $entity, ArrayObject $options)`
* Fired after an entity is saved.
*
* - `afterSaveCommit(Event $event, EntityInterface $entity, ArrayObject $options)`
* Fired after the transaction in which the save operation is wrapped has been committed.
* It’s also triggered for non atomic saves where database operations are implicitly committed.
* The event is triggered only for the primary table on which save() is directly called.
* The event is not triggered if a transaction is started before calling save.
*
* - `beforeDelete(Event $event, EntityInterface $entity, ArrayObject $options)`
* Fired before an entity is deleted. By stopping this event you will abort
* the delete operation.
*
* - `afterDelete(Event $event, EntityInterface $entity, ArrayObject $options)`
* Fired after an entity has been deleted.
*
* @see \Cake\Event\EventManager for reference on the events system.
*/
class Table implements RepositoryInterface, EventListenerInterface, EventDispatcherInterface, ValidatorAwareInterface
{
use EventDispatcherTrait;
use RulesAwareTrait;
use ValidatorAwareTrait;
/**
* The alias this object is assigned to validators as.
*
* @var string
*/
const VALIDATOR_PROVIDER_NAME = 'table';
/**
* The name of the event dispatched when a validator has been built.
*
* @var string
*/
const BUILD_VALIDATOR_EVENT = 'Model.buildValidator';
/**
* The rules class name that is used.
*
* @var string
*/
const RULES_CLASS = 'Cake\ORM\RulesChecker';
/**
* Name of the table as it can be found in the database
*
* @var string
*/
protected $_table;
/**
* Human name giving to this particular instance. Multiple objects representing
* the same database table can exist by using different aliases.
*
* @var string
*/
protected $_alias;
/**
* Connection instance
*
* @var \Cake\Database\Connection
*/
protected $_connection;
/**
* The schema object containing a description of this table fields
*
* @var \Cake\Database\Schema\TableSchema
*/
protected $_schema;
/**
* The name of the field that represents the primary key in the table
*
* @var string|array
*/
protected $_primaryKey;
/**
* The name of the field that represents a human readable representation of a row
*
* @var string
*/
protected $_displayField;
/**
* The associations container for this Table.
*
* @var \Cake\ORM\AssociationCollection
*/
protected $_associations;
/**
* BehaviorRegistry for this table
*
* @var \Cake\ORM\BehaviorRegistry
*/
protected $_behaviors;
/**
* The name of the class that represent a single row for this table
*
* @var string
*/
protected $_entityClass;
/**
* Registry key used to create this table object
*
* @var string
*/
protected $_registryAlias;
/**
* Initializes a new instance
*
* The $config array understands the following keys:
*
* - table: Name of the database table to represent
* - alias: Alias to be assigned to this table (default to table name)
* - connection: The connection instance to use
* - entityClass: The fully namespaced class name of the entity class that will
* represent rows in this table.
* - schema: A \Cake\Database\Schema\TableSchema object or an array that can be
* passed to it.
* - eventManager: An instance of an event manager to use for internal events
* - behaviors: A BehaviorRegistry. Generally not used outside of tests.
* - associations: An AssociationCollection instance.
* - validator: A Validator instance which is assigned as the "default"
* validation set, or an associative array, where key is the name of the
* validation set and value the Validator instance.
*
* @param array $config List of options for this table
*/
public function __construct(array $config = [])
{
if (!empty($config['registryAlias'])) {
$this->setRegistryAlias($config['registryAlias']);
}
if (!empty($config['table'])) {
$this->setTable($config['table']);
}
if (!empty($config['alias'])) {
$this->setAlias($config['alias']);
}
if (!empty($config['connection'])) {
$this->setConnection($config['connection']);
}
if (!empty($config['schema'])) {
$this->setSchema($config['schema']);
}
if (!empty($config['entityClass'])) {
$this->setEntityClass($config['entityClass']);
}
$eventManager = $behaviors = $associations = null;
if (!empty($config['eventManager'])) {
$eventManager = $config['eventManager'];
}
if (!empty($config['behaviors'])) {
$behaviors = $config['behaviors'];
}
if (!empty($config['associations'])) {
$associations = $config['associations'];
}
if (!empty($config['validator'])) {
if (!is_array($config['validator'])) {
$this->setValidator(static::DEFAULT_VALIDATOR, $config['validator']);
} else {
foreach ($config['validator'] as $name => $validator) {
$this->setValidator($name, $validator);
}
}
}
$this->_eventManager = $eventManager ?: new EventManager();
$this->_behaviors = $behaviors ?: new BehaviorRegistry();
$this->_behaviors->setTable($this);
$this->_associations = $associations ?: new AssociationCollection();
$this->initialize($config);
$this->_eventManager->on($this);
$this->dispatchEvent('Model.initialize');
}
/**
* Get the default connection name.
*
* This method is used to get the fallback connection name if an
* instance is created through the TableLocator without a connection.
*
* @return string
* @see \Cake\ORM\Locator\TableLocator::get()
*/
public static function defaultConnectionName()
{
return 'default';
}
/**
* Initialize a table instance. Called after the constructor.
*
* You can use this method to define associations, attach behaviors
* define validation and do any other initialization logic you need.
*
* ```
* public function initialize(array $config)
* {
* $this->belongsTo('Users');
* $this->belongsToMany('Tagging.Tags');
* $this->setPrimaryKey('something_else');
* }
* ```
*
* @param array $config Configuration options passed to the constructor
* @return void
*/
public function initialize(array $config)
{
}
/**
* Sets the database table name.
*
* @param string $table Table name.
* @return $this
*/
public function setTable($table)
{
$this->_table = $table;
return $this;
}
/**
* Returns the database table name.
*
* @return string
*/
public function getTable()
{
if ($this->_table === null) {
$table = namespaceSplit(get_class($this));
$table = substr(end($table), 0, -5);
if (!$table) {
$table = $this->getAlias();
}
$this->_table = Inflector::underscore($table);
}
return $this->_table;
}
/**
* Returns the database table name or sets a new one.
*
* @deprecated 3.4.0 Use setTable()/getTable() instead.
* @param string|null $table the new table name
* @return string
*/
public function table($table = null)
{
deprecationWarning(
get_called_class() . '::table() is deprecated. ' .
'Use setTable()/getTable() instead.'
);
if ($table !== null) {
$this->setTable($table);
}
return $this->getTable();
}
/**
* Sets the table alias.
*
* @param string $alias Table alias
* @return $this
*/
public function setAlias($alias)
{
$this->_alias = $alias;
return $this;
}
/**
* Returns the table alias.
*
* @return string
*/
public function getAlias()
{
if ($this->_alias === null) {
$alias = namespaceSplit(get_class($this));
$alias = substr(end($alias), 0, -5) ?: $this->_table;
$this->_alias = $alias;
}
return $this->_alias;
}
/**
* {@inheritDoc}
* @deprecated 3.4.0 Use setAlias()/getAlias() instead.
*/
public function alias($alias = null)
{
deprecationWarning(
get_called_class() . '::alias() is deprecated. ' .
'Use setAlias()/getAlias() instead.'
);
if ($alias !== null) {
$this->setAlias($alias);
}
return $this->getAlias();
}
/**
* Alias a field with the table's current alias.
*
* If field is already aliased it will result in no-op.
*
* @param string $field The field to alias.
* @return string The field prefixed with the table alias.
*/
public function aliasField($field)
{
if (strpos($field, '.') !== false) {
return $field;
}
return $this->getAlias() . '.' . $field;
}
/**
* Sets the table registry key used to create this table instance.
*
* @param string $registryAlias The key used to access this object.
* @return $this
*/
public function setRegistryAlias($registryAlias)
{
$this->_registryAlias = $registryAlias;
return $this;
}
/**
* Returns the table registry key used to create this table instance.
*
* @return string
*/
public function getRegistryAlias()
{
if ($this->_registryAlias === null) {
$this->_registryAlias = $this->getAlias();
}
return $this->_registryAlias;
}
/**
* Returns the table registry key used to create this table instance or sets one.
*
* @deprecated 3.4.0 Use setRegistryAlias()/getRegistryAlias() instead.
* @param string|null $registryAlias the key used to access this object
* @return string
*/
public function registryAlias($registryAlias = null)
{
deprecationWarning(
get_called_class() . '::registryAlias() is deprecated. ' .
'Use setRegistryAlias()/getRegistryAlias() instead.'
);
if ($registryAlias !== null) {
$this->setRegistryAlias($registryAlias);
}
return $this->getRegistryAlias();
}
/**
* Sets the connection instance.
*
* @param \Cake\Database\Connection|\Cake\Datasource\ConnectionInterface $connection The connection instance
* @return $this
*/
public function setConnection(ConnectionInterface $connection)
{
$this->_connection = $connection;
return $this;
}
/**
* Returns the connection instance.
*
* @return \Cake\Database\Connection
*/
public function getConnection()
{
return $this->_connection;
}
/**
* Returns the connection instance or sets a new one
*
* @deprecated 3.4.0 Use setConnection()/getConnection() instead.
* @param \Cake\Datasource\ConnectionInterface|null $connection The new connection instance
* @return \Cake\Datasource\ConnectionInterface
*/
public function connection(ConnectionInterface $connection = null)
{
deprecationWarning(
get_called_class() . '::connection() is deprecated. ' .
'Use setConnection()/getConnection() instead.'
);
if ($connection !== null) {
$this->setConnection($connection);
}
return $this->getConnection();
}
/**
* Returns the schema table object describing this table's properties.
*
* @return \Cake\Database\Schema\TableSchema
*/
public function getSchema()
{
if ($this->_schema === null) {
$this->_schema = $this->_initializeSchema(
$this->getConnection()
->getSchemaCollection()
->describe($this->getTable())
);
}
return $this->_schema;
}
/**
* Sets the schema table object describing this table's properties.
*
* If an array is passed, a new TableSchema will be constructed
* out of it and used as the schema for this table.
*
* @param array|\Cake\Database\Schema\TableSchema $schema Schema to be used for this table
* @return $this
*/
public function setSchema($schema)
{
if (is_array($schema)) {
$constraints = [];
if (isset($schema['_constraints'])) {
$constraints = $schema['_constraints'];
unset($schema['_constraints']);
}
$schema = new TableSchema($this->getTable(), $schema);
foreach ($constraints as $name => $value) {
$schema->addConstraint($name, $value);
}
}
$this->_schema = $schema;
return $this;
}
/**
* Returns the schema table object describing this table's properties.
*
* If a TableSchema is passed, it will be used for this table
* instead of the default one.
*
* If an array is passed, a new TableSchema will be constructed
* out of it and used as the schema for this table.
*
* @deprecated 3.4.0 Use setSchema()/getSchema() instead.
* @param array|\Cake\Database\Schema\TableSchema|null $schema New schema to be used for this table
* @return \Cake\Database\Schema\TableSchema
*/
public function schema($schema = null)
{
deprecationWarning(
get_called_class() . '::schema() is deprecated. ' .
'Use setSchema()/getSchema() instead.'
);
if ($schema !== null) {
$this->setSchema($schema);
}
return $this->getSchema();
}
/**
* Override this function in order to alter the schema used by this table.
* This function is only called after fetching the schema out of the database.
* If you wish to provide your own schema to this table without touching the
* database, you can override schema() or inject the definitions though that
* method.
*
* ### Example:
*
* ```
* protected function _initializeSchema(\Cake\Database\Schema\TableSchema $schema) {
* $schema->setColumnType('preferences', 'json');
* return $schema;
* }
* ```
*
* @param \Cake\Database\Schema\TableSchema $schema The table definition fetched from database.
* @return \Cake\Database\Schema\TableSchema the altered schema
*/
protected function _initializeSchema(TableSchema $schema)
{
return $schema;
}
/**
* Test to see if a Table has a specific field/column.
*
* Delegates to the schema object and checks for column presence
* using the Schema\Table instance.
*
* @param string $field The field to check for.
* @return bool True if the field exists, false if it does not.
*/
public function hasField($field)
{
$schema = $this->getSchema();
return $schema->getColumn($field) !== null;
}
/**
* Sets the primary key field name.
*
* @param string|array $key Sets a new name to be used as primary key
* @return $this
*/
public function setPrimaryKey($key)
{
$this->_primaryKey = $key;
return $this;
}
/**
* Returns the primary key field name.
*
* @return string|array
*/
public function getPrimaryKey()
{
if ($this->_primaryKey === null) {
$key = (array)$this->getSchema()->primaryKey();
if (count($key) === 1) {
$key = $key[0];
}
$this->_primaryKey = $key;
}
return $this->_primaryKey;
}
/**
* Returns the primary key field name or sets a new one
*
* @deprecated 3.4.0 Use setPrimaryKey()/getPrimaryKey() instead.
* @param string|array|null $key Sets a new name to be used as primary key
* @return string|array
*/
public function primaryKey($key = null)
{
deprecationWarning(
get_called_class() . '::primaryKey() is deprecated. ' .
'Use setPrimaryKey()/getPrimaryKey() instead.'
);
if ($key !== null) {
$this->setPrimaryKey($key);
}
return $this->getPrimaryKey();
}
/**
* Sets the display field.
*
* @param string $key Name to be used as display field.
* @return $this
*/
public function setDisplayField($key)
{
$this->_displayField = $key;
return $this;
}
/**
* Returns the display field.
*
* @return string
*/
public function getDisplayField()
{
if ($this->_displayField === null) {
$schema = $this->getSchema();
$primary = (array)$this->getPrimaryKey();
$this->_displayField = array_shift($primary);
if ($schema->getColumn('title')) {
$this->_displayField = 'title';
}
if ($schema->getColumn('name')) {
$this->_displayField = 'name';
}
}
return $this->_displayField;
}
/**
* Returns the display field or sets a new one
*
* @deprecated 3.4.0 Use setDisplayField()/getDisplayField() instead.
* @param string|null $key sets a new name to be used as display field
* @return string
*/
public function displayField($key = null)
{
deprecationWarning(
get_called_class() . '::displayField() is deprecated. ' .
'Use setDisplayField()/getDisplayField() instead.'
);
if ($key !== null) {
$this->setDisplayField($key);
return $key;
}
return $this->getDisplayField();
}
/**
* Returns the class used to hydrate rows for this table.
*
* @return string
*/
public function getEntityClass()
{
if (!$this->_entityClass) {
$default = Entity::class;
$self = get_called_class();
$parts = explode('\\', $self);
if ($self === __CLASS__ || count($parts) < 3) {
return $this->_entityClass = $default;
}
$alias = Inflector::singularize(substr(array_pop($parts), 0, -5));
$name = implode('\\', array_slice($parts, 0, -1)) . '\\Entity\\' . $alias;
if (!class_exists($name)) {
return $this->_entityClass = $default;
}
$class = App::className($name, 'Model/Entity');
if (!$class) {
throw new MissingEntityException([$name]);
}
$this->_entityClass = $class;
}
return $this->_entityClass;
}
/**
* Sets the class used to hydrate rows for this table.
*
* @param string $name The name of the class to use
* @throws \Cake\ORM\Exception\MissingEntityException when the entity class cannot be found
* @return $this
*/
public function setEntityClass($name)
{
$class = App::className($name, 'Model/Entity');
if (!$class) {
throw new MissingEntityException([$name]);
}
$this->_entityClass = $class;
return $this;
}
/**
* Returns the class used to hydrate rows for this table or sets
* a new one
*
* @deprecated 3.4.0 Use setEntityClass()/getEntityClass() instead.
* @param string|null $name The name of the class to use
* @throws \Cake\ORM\Exception\MissingEntityException when the entity class cannot be found
* @return string
*/
public function entityClass($name = null)
{
deprecationWarning(
get_called_class() . '::entityClass() is deprecated. ' .
'Use setEntityClass()/getEntityClass() instead.'
);
if ($name !== null) {
$this->setEntityClass($name);
}
return $this->getEntityClass();
}
/**
* Add a behavior.
*
* Adds a behavior to this table's behavior collection. Behaviors
* provide an easy way to create horizontally re-usable features
* that can provide trait like functionality, and allow for events
* to be listened to.
*
* Example:
*
* Load a behavior, with some settings.
*
* ```
* $this->addBehavior('Tree', ['parent' => 'parentId']);
* ```
*
* Behaviors are generally loaded during Table::initialize().
*
* @param string $name The name of the behavior. Can be a short class reference.
* @param array $options The options for the behavior to use.
* @return $this
* @throws \RuntimeException If a behavior is being reloaded.
* @see \Cake\ORM\Behavior
*/
public function addBehavior($name, array $options = [])
{
$this->_behaviors->load($name, $options);
return $this;
}
/**
* Adds an array of behaviors to the table's behavior collection.
*
* Example:
*
* ```
* $this->addBehaviors([
* 'Timestamp',
* 'Tree' => ['level' => 'level'],
* ]);
* ```
*
* @param array $behaviors All of the behaviors to load.
* @return $this
* @throws \RuntimeException If a behavior is being reloaded.
*/
public function addBehaviors(array $behaviors)
{
foreach ($behaviors as $name => $options) {
if (is_int($name)) {
$name = $options;
$options = [];
}
$this->addBehavior($name, $options);
}
return $this;
}
/**
* Removes a behavior from this table's behavior registry.
*
* Example:
*
* Remove a behavior from this table.
*
* ```
* $this->removeBehavior('Tree');
* ```
*
* @param string $name The alias that the behavior was added with.
* @return $this
* @see \Cake\ORM\Behavior
*/
public function removeBehavior($name)
{
$this->_behaviors->unload($name);
return $this;
}
/**
* Returns the behavior registry for this table.
*
* @return \Cake\ORM\BehaviorRegistry The BehaviorRegistry instance.
*/
public function behaviors()
{
return $this->_behaviors;
}
/**
* Get a behavior from the registry.
*
* @param string $name The behavior alias to get from the registry.
* @return \Cake\ORM\Behavior
* @throws \InvalidArgumentException If the behavior does not exist.
*/
public function getBehavior($name)
{
/** @var \Cake\ORM\Behavior $behavior */
$behavior = $this->_behaviors->get($name);
if ($behavior === null) {
throw new InvalidArgumentException(sprintf(
'The %s behavior is not defined on %s.',
$name,
get_class($this)
));
}
return $behavior;
}
/**
* Check if a behavior with the given alias has been loaded.
*
* @param string $name The behavior alias to check.
* @return bool Whether or not the behavior exists.
*/
public function hasBehavior($name)
{
return $this->_behaviors->has($name);
}
/**
* Returns an association object configured for the specified alias if any.
*
* @deprecated 3.6.0 Use getAssociation() and Table::hasAssocation() instead.
* @param string $name the alias used for the association.
* @return \Cake\ORM\Association|null Either the association or null.
*/
public function association($name)
{
deprecationWarning('Use Table::getAssociation() and Table::hasAssocation() instead.');
return $this->findAssociation($name);
}
/**
* Returns an association object configured for the specified alias.
*
* The name argument also supports dot syntax to access deeper associations.
*
* ```
* $users = $this->getAssociation('Articles.Comments.Users');
* ```
*
* Note that this method requires the association to be present or otherwise
* throws an exception.
* If you are not sure, use hasAssociation() before calling this method.
*
* @param string $name The alias used for the association.
* @return \Cake\ORM\Association The association.
* @throws \InvalidArgumentException
*/
public function getAssociation($name)
{
$association = $this->findAssociation($name);
if (!$association) {
throw new InvalidArgumentException("The {$name} association is not defined on {$this->getAlias()}.");
}
return $association;
}
/**
* Checks whether a specific association exists on this Table instance.
*
* The name argument also supports dot syntax to access deeper associations.
*
* ```
* $hasUsers = $this->hasAssociation('Articles.Comments.Users');
* ```
*
* @param string $name The alias used for the association.
* @return bool
*/
public function hasAssociation($name)
{
return $this->findAssociation($name) !== null;
}
/**
* Returns an association object configured for the specified alias if any.
*
* The name argument also supports dot syntax to access deeper associations.
*
* ```
* $users = $this->getAssociation('Articles.Comments.Users');
* ```
*
* @param string $name The alias used for the association.
* @return \Cake\ORM\Association|null Either the association or null.
*/
protected function findAssociation($name)
{
if (strpos($name, '.') === false) {
return $this->_associations->get($name);
}
list($name, $next) = array_pad(explode('.', $name, 2), 2, null);
$result = $this->_associations->get($name);
if ($result !== null && $next !== null) {
$result = $result->getTarget()->getAssociation($next);
}
return $result;
}
/**
* Get the associations collection for this table.
*
* @return \Cake\ORM\AssociationCollection|\Cake\ORM\Association[] The collection of association objects.
*/
public function associations()
{
return $this->_associations;
}
/**
* Setup multiple associations.
*
* It takes an array containing set of table names indexed by association type
* as argument:
*
* ```
* $this->Posts->addAssociations([
* 'belongsTo' => [
* 'Users' => ['className' => 'App\Model\Table\UsersTable']
* ],
* 'hasMany' => ['Comments'],
* 'belongsToMany' => ['Tags']
* ]);
* ```
*
* Each association type accepts multiple associations where the keys
* are the aliases, and the values are association config data. If numeric
* keys are used the values will be treated as association aliases.
*
* @param array $params Set of associations to bind (indexed by association type)
* @return $this
* @see \Cake\ORM\Table::belongsTo()
* @see \Cake\ORM\Table::hasOne()
* @see \Cake\ORM\Table::hasMany()
* @see \Cake\ORM\Table::belongsToMany()
*/
public function addAssociations(array $params)
{
foreach ($params as $assocType => $tables) {
foreach ($tables as $associated => $options) {
if (is_numeric($associated)) {
$associated = $options;
$options = [];
}
$this->{$assocType}($associated, $options);
}
}
return $this;
}
/**
* Creates a new BelongsTo association between this table and a target
* table. A "belongs to" association is a N-1 relationship where this table
* is the N side, and where there is a single associated record in the target
* table for each one in this table.
*
* Target table can be inferred by its name, which is provided in the
* first argument, or you can either pass the to be instantiated or
* an instance of it directly.
*
* The options array accept the following keys:
*
* - className: The class name of the target table object
* - targetTable: An instance of a table object to be used as the target table
* - foreignKey: The name of the field to use as foreign key, if false none
* will be used
* - conditions: array with a list of conditions to filter the join with
* - joinType: The type of join to be used (e.g. INNER)
* - strategy: The loading strategy to use. 'join' and 'select' are supported.
* - finder: The finder method to use when loading records from this association.
* Defaults to 'all'. When the strategy is 'join', only the fields, containments,
* and where conditions will be used from the finder.
*
* This method will return the association object that was built.
*
* @param string $associated the alias for the target table. This is used to
* uniquely identify the association
* @param array $options list of options to configure the association definition
* @return \Cake\ORM\Association\BelongsTo
*/
public function belongsTo($associated, array $options = [])
{
$options += ['sourceTable' => $this];
/** @var \Cake\ORM\Association\BelongsTo $association */
$association = $this->_associations->load(BelongsTo::class, $associated, $options);
return $association;
}
/**
* Creates a new HasOne association between this table and a target
* table. A "has one" association is a 1-1 relationship.
*
* Target table can be inferred by its name, which is provided in the
* first argument, or you can either pass the class name to be instantiated or
* an instance of it directly.
*
* The options array accept the following keys:
*
* - className: The class name of the target table object
* - targetTable: An instance of a table object to be used as the target table
* - foreignKey: The name of the field to use as foreign key, if false none
* will be used
* - dependent: Set to true if you want CakePHP to cascade deletes to the
* associated table when an entity is removed on this table. The delete operation
* on the associated table will not cascade further. To get recursive cascades enable
* `cascadeCallbacks` as well. Set to false if you don't want CakePHP to remove
* associated data, or when you are using database constraints.
* - cascadeCallbacks: Set to true if you want CakePHP to fire callbacks on
* cascaded deletes. If false the ORM will use deleteAll() to remove data.
* When true records will be loaded and then deleted.
* - conditions: array with a list of conditions to filter the join with
* - joinType: The type of join to be used (e.g. LEFT)
* - strategy: The loading strategy to use. 'join' and 'select' are supported.
* - finder: The finder method to use when loading records from this association.
* Defaults to 'all'. When the strategy is 'join', only the fields, containments,
* and where conditions will be used from the finder.
*
* This method will return the association object that was built.
*
* @param string $associated the alias for the target table. This is used to
* uniquely identify the association
* @param array $options list of options to configure the association definition
* @return \Cake\ORM\Association\HasOne
*/
public function hasOne($associated, array $options = [])
{
$options += ['sourceTable' => $this];
/** @var \Cake\ORM\Association\HasOne $association */
$association = $this->_associations->load(HasOne::class, $associated, $options);
return $association;
}
/**
* Creates a new HasMany association between this table and a target
* table. A "has many" association is a 1-N relationship.
*
* Target table can be inferred by its name, which is provided in the
* first argument, or you can either pass the class name to be instantiated or
* an instance of it directly.
*
* The options array accept the following keys:
*
* - className: The class name of the target table object
* - targetTable: An instance of a table object to be used as the target table
* - foreignKey: The name of the field to use as foreign key, if false none
* will be used
* - dependent: Set to true if you want CakePHP to cascade deletes to the
* associated table when an entity is removed on this table. The delete operation
* on the associated table will not cascade further. To get recursive cascades enable
* `cascadeCallbacks` as well. Set to false if you don't want CakePHP to remove
* associated data, or when you are using database constraints.
* - cascadeCallbacks: Set to true if you want CakePHP to fire callbacks on
* cascaded deletes. If false the ORM will use deleteAll() to remove data.
* When true records will be loaded and then deleted.
* - conditions: array with a list of conditions to filter the join with
* - sort: The order in which results for this association should be returned
* - saveStrategy: Either 'append' or 'replace'. When 'append' the current records
* are appended to any records in the database. When 'replace' associated records
* not in the current set will be removed. If the foreign key is a null able column
* or if `dependent` is true records will be orphaned.
* - strategy: The strategy to be used for selecting results Either 'select'
* or 'subquery'. If subquery is selected the query used to return results
* in the source table will be used as conditions for getting rows in the
* target table.
* - finder: The finder method to use when loading records from this association.
* Defaults to 'all'.
*
* This method will return the association object that was built.
*
* @param string $associated the alias for the target table. This is used to
* uniquely identify the association
* @param array $options list of options to configure the association definition
* @return \Cake\ORM\Association\HasMany
*/
public function hasMany($associated, array $options = [])
{
$options += ['sourceTable' => $this];
/** @var \Cake\ORM\Association\HasMany $association */
$association = $this->_associations->load(HasMany::class, $associated, $options);
return $association;
}
/**
* Creates a new BelongsToMany association between this table and a target
* table. A "belongs to many" association is a M-N relationship.
*
* Target table can be inferred by its name, which is provided in the
* first argument, or you can either pass the class name to be instantiated or
* an instance of it directly.
*
* The options array accept the following keys:
*
* - className: The class name of the target table object.
* - targetTable: An instance of a table object to be used as the target table.
* - foreignKey: The name of the field to use as foreign key.
* - targetForeignKey: The name of the field to use as the target foreign key.
* - joinTable: The name of the table representing the link between the two
* - through: If you choose to use an already instantiated link table, set this
* key to a configured Table instance containing associations to both the source
* and target tables in this association.
* - dependent: Set to false, if you do not want junction table records removed
* when an owning record is removed.
* - cascadeCallbacks: Set to true if you want CakePHP to fire callbacks on
* cascaded deletes. If false the ORM will use deleteAll() to remove data.
* When true join/junction table records will be loaded and then deleted.
* - conditions: array with a list of conditions to filter the join with.
* - sort: The order in which results for this association should be returned.
* - strategy: The strategy to be used for selecting results Either 'select'
* or 'subquery'. If subquery is selected the query used to return results
* in the source table will be used as conditions for getting rows in the
* target table.
* - saveStrategy: Either 'append' or 'replace'. Indicates the mode to be used
* for saving associated entities. The former will only create new links
* between both side of the relation and the latter will do a wipe and
* replace to create the links between the passed entities when saving.
* - strategy: The loading strategy to use. 'select' and 'subquery' are supported.
* - finder: The finder method to use when loading records from this association.
* Defaults to 'all'.
*
* This method will return the association object that was built.
*
* @param string $associated the alias for the target table. This is used to
* uniquely identify the association
* @param array $options list of options to configure the association definition
* @return \Cake\ORM\Association\BelongsToMany
*/
public function belongsToMany($associated, array $options = [])
{
$options += ['sourceTable' => $this];
/** @var \Cake\ORM\Association\BelongsToMany $association */
$association = $this->_associations->load(BelongsToMany::class, $associated, $options);
return $association;
}
/**
* {@inheritDoc}
*
* ### Model.beforeFind event
*
* Each find() will trigger a `Model.beforeFind` event for all attached
* listeners. Any listener can set a valid result set using $query
*
* By default, `$options` will recognize the following keys:
*
* - fields
* - conditions
* - order
* - limit
* - offset
* - page
* - group
* - having
* - contain
* - join
*
* ### Usage
*
* Using the options array:
*
* ```
* $query = $articles->find('all', [
* 'conditions' => ['published' => 1],
* 'limit' => 10,
* 'contain' => ['Users', 'Comments']
* ]);
* ```
*
* Using the builder interface:
*
* ```
* $query = $articles->find()
* ->where(['published' => 1])
* ->limit(10)
* ->contain(['Users', 'Comments']);
* ```
*
* ### Calling finders
*
* The find() method is the entry point for custom finder methods.
* You can invoke a finder by specifying the type:
*
* ```
* $query = $articles->find('published');
* ```
*
* Would invoke the `findPublished` method.
*
* @return \Cake\ORM\Query The query builder
*/
public function find($type = 'all', $options = [])
{
$query = $this->query();
$query->select();
return $this->callFinder($type, $query, $options);
}
/**
* Returns the query as passed.
*
* By default findAll() applies no conditions, you
* can override this method in subclasses to modify how `find('all')` works.
*
* @param \Cake\ORM\Query $query The query to find with
* @param array $options The options to use for the find
* @return \Cake\ORM\Query The query builder
*/
public function findAll(Query $query, array $options)
{
return $query;
}
/**
* Sets up a query object so results appear as an indexed array, useful for any
* place where you would want a list such as for populating input select boxes.
*
* When calling this finder, the fields passed are used to determine what should
* be used as the array key, value and optionally what to group the results by.
* By default the primary key for the model is used for the key, and the display
* field as value.
*
* The results of this finder will be in the following form:
*
* ```
* [
* 1 => 'value for id 1',
* 2 => 'value for id 2',
* 4 => 'value for id 4'
* ]
* ```
*
* You can specify which property will be used as the key and which as value
* by using the `$options` array, when not specified, it will use the results
* of calling `primaryKey` and `displayField` respectively in this table:
*
* ```
* $table->find('list', [
* 'keyField' => 'name',
* 'valueField' => 'age'
* ]);
* ```
*
* Results can be put together in bigger groups when they share a property, you
* can customize the property to use for grouping by setting `groupField`:
*
* ```
* $table->find('list', [
* 'groupField' => 'category_id',
* ]);
* ```
*
* When using a `groupField` results will be returned in this format:
*
* ```
* [
* 'group_1' => [
* 1 => 'value for id 1',
* 2 => 'value for id 2',
* ]
* 'group_2' => [
* 4 => 'value for id 4'
* ]
* ]
* ```
*
* @param \Cake\ORM\Query $query The query to find with
* @param array $options The options for the find
* @return \Cake\ORM\Query The query builder
*/
public function findList(Query $query, array $options)
{
$options += [
'keyField' => $this->getPrimaryKey(),
'valueField' => $this->getDisplayField(),
'groupField' => null
];
if (isset($options['idField'])) {
$options['keyField'] = $options['idField'];
unset($options['idField']);
deprecationWarning('Option "idField" is deprecated, use "keyField" instead.');
}
if (!$query->clause('select') &&
!is_object($options['keyField']) &&
!is_object($options['valueField']) &&
!is_object($options['groupField'])
) {
$fields = array_merge(
(array)$options['keyField'],
(array)$options['valueField'],
(array)$options['groupField']
);
$columns = $this->getSchema()->columns();
if (count($fields) === count(array_intersect($fields, $columns))) {
$query->select($fields);
}
}
$options = $this->_setFieldMatchers(
$options,
['keyField', 'valueField', 'groupField']
);
return $query->formatResults(function ($results) use ($options) {
/** @var \Cake\Collection\CollectionInterface $results */
return $results->combine(
$options['keyField'],
$options['valueField'],
$options['groupField']
);
});
}
/**
* Results for this finder will be a nested array, and is appropriate if you want
* to use the parent_id field of your model data to build nested results.
*
* Values belonging to a parent row based on their parent_id value will be
* recursively nested inside the parent row values using the `children` property
*
* You can customize what fields are used for nesting results, by default the
* primary key and the `parent_id` fields are used. If you wish to change
* these defaults you need to provide the keys `keyField`, `parentField` or `nestingKey` in
* `$options`:
*
* ```
* $table->find('threaded', [
* 'keyField' => 'id',
* 'parentField' => 'ancestor_id'
* 'nestingKey' => 'children'
* ]);
* ```
*
* @param \Cake\ORM\Query $query The query to find with
* @param array $options The options to find with
* @return \Cake\ORM\Query The query builder
*/
public function findThreaded(Query $query, array $options)
{
$options += [
'keyField' => $this->getPrimaryKey(),
'parentField' => 'parent_id',
'nestingKey' => 'children'
];
if (isset($options['idField'])) {
$options['keyField'] = $options['idField'];
unset($options['idField']);
deprecationWarning('Option "idField" is deprecated, use "keyField" instead.');
}
$options = $this->_setFieldMatchers($options, ['keyField', 'parentField']);
return $query->formatResults(function ($results) use ($options) {
/** @var \Cake\Collection\CollectionInterface $results */
return $results->nest($options['keyField'], $options['parentField'], $options['nestingKey']);
});
}
/**
* Out of an options array, check if the keys described in `$keys` are arrays
* and change the values for closures that will concatenate the each of the
* properties in the value array when passed a row.
*
* This is an auxiliary function used for result formatters that can accept
* composite keys when comparing values.
*
* @param array $options the original options passed to a finder
* @param array $keys the keys to check in $options to build matchers from
* the associated value
* @return array
*/
protected function _setFieldMatchers($options, $keys)
{
foreach ($keys as $field) {
if (!is_array($options[$field])) {
continue;
}
if (count($options[$field]) === 1) {
$options[$field] = current($options[$field]);
continue;
}
$fields = $options[$field];
$options[$field] = function ($row) use ($fields) {
$matches = [];
foreach ($fields as $field) {
$matches[] = $row[$field];
}
return implode(';', $matches);
};
}
return $options;
}
/**
* {@inheritDoc}
*
* ### Usage
*
* Get an article and some relationships:
*
* ```
* $article = $articles->get(1, ['contain' => ['Users', 'Comments']]);
* ```
*
* @throws \Cake\Datasource\Exception\InvalidPrimaryKeyException When $primaryKey has an
* incorrect number of elements.
*/
public function get($primaryKey, $options = [])
{
$key = (array)$this->getPrimaryKey();
$alias = $this->getAlias();
foreach ($key as $index => $keyname) {
$key[$index] = $alias . '.' . $keyname;
}
$primaryKey = (array)$primaryKey;
if (count($key) !== count($primaryKey)) {
$primaryKey = $primaryKey ?: [null];
$primaryKey = array_map(function ($key) {
return var_export($key, true);
}, $primaryKey);
throw new InvalidPrimaryKeyException(sprintf(
'Record not found in table "%s" with primary key [%s]',
$this->getTable(),
implode($primaryKey, ', ')
));
}
$conditions = array_combine($key, $primaryKey);
$cacheConfig = isset($options['cache']) ? $options['cache'] : false;
$cacheKey = isset($options['key']) ? $options['key'] : false;
$finder = isset($options['finder']) ? $options['finder'] : 'all';
unset($options['key'], $options['cache'], $options['finder']);
$query = $this->find($finder, $options)->where($conditions);
if ($cacheConfig) {
if (!$cacheKey) {
$cacheKey = sprintf(
'get:%s.%s%s',
$this->getConnection()->configName(),
$this->getTable(),
json_encode($primaryKey)
);
}
$query->cache($cacheKey, $cacheConfig);
}
return $query->firstOrFail();
}
/**
* Handles the logic executing of a worker inside a transaction.
*
* @param callable $worker The worker that will run inside the transaction.
* @param bool $atomic Whether to execute the worker inside a database transaction.
* @return mixed
*/
protected function _executeTransaction(callable $worker, $atomic = true)
{
if ($atomic) {
return $this->getConnection()->transactional(function () use ($worker) {
return $worker();
});
}
return $worker();
}
/**
* Checks if the caller would have executed a commit on a transaction.
*
* @param bool $atomic True if an atomic transaction was used.
* @param bool $primary True if a primary was used.
* @return bool Returns true if a transaction was committed.
*/
protected function _transactionCommitted($atomic, $primary)
{
return !$this->getConnection()->inTransaction() && ($atomic || (!$atomic && $primary));
}
/**
* Finds an existing record or creates a new one.
*
* A find() will be done to locate an existing record using the attributes
* defined in $search. If records matches the conditions, the first record
* will be returned.
*
* If no record can be found, a new entity will be created
* with the $search properties. If a callback is provided, it will be
* called allowing you to define additional default values. The new
* entity will be saved and returned.
*
* If your find conditions require custom order, associations or conditions, then the $search
* parameter can be a callable that takes the Query as the argument, or a \Cake\ORM\Query object passed
* as the $search parameter. Allowing you to customize the find results.
*
* ### Options
*
* The options array is passed to the save method with exception to the following keys:
*
* - atomic: Whether to execute the methods for find, save and callbacks inside a database
* transaction (default: true)
* - defaults: Whether to use the search criteria as default values for the new entity (default: true)
*
* @param array|\Cake\ORM\Query $search The criteria to find existing
* records by. Note that when you pass a query object you'll have to use
* the 2nd arg of the method to modify the entity data before saving.
* @param callable|null $callback A callback that will be invoked for newly
* created entities. This callback will be called *before* the entity
* is persisted.
* @param array $options The options to use when saving.
* @return \Cake\Datasource\EntityInterface An entity.
*/
public function findOrCreate($search, callable $callback = null, $options = [])
{
$options += [
'atomic' => true,
'defaults' => true
];
return $this->_executeTransaction(function () use ($search, $callback, $options) {
return $this->_processFindOrCreate($search, $callback, $options);
}, $options['atomic']);
}
/**
* Performs the actual find and/or create of an entity based on the passed options.
*
* @param array|callable $search The criteria to find an existing record by, or a callable tha will
* customize the find query.
* @param callable|null $callback A callback that will be invoked for newly
* created entities. This callback will be called *before* the entity
* is persisted.
* @param array $options The options to use when saving.
* @return \Cake\Datasource\EntityInterface An entity.
*/
protected function _processFindOrCreate($search, callable $callback = null, $options = [])
{
if (is_callable($search)) {
$query = $this->find();
$search($query);
} elseif (is_array($search)) {
$query = $this->find()->where($search);
} elseif ($search instanceof Query) {
$query = $search;
} else {
throw new InvalidArgumentException('Search criteria must be an array, callable or Query');
}
$row = $query->first();
if ($row !== null) {
return $row;
}
$entity = $this->newEntity();
if ($options['defaults'] && is_array($search)) {
$entity->set($search, ['guard' => false]);
}
if ($callback !== null) {
$entity = $callback($entity) ?: $entity;
}
unset($options['defaults']);
return $this->save($entity, $options) ?: $entity;
}
/**
* Gets the query object for findOrCreate().
*
* @param array|\Cake\ORM\Query|string $search The criteria to find existing records by.
* @return \Cake\ORM\Query
*/
protected function _getFindOrCreateQuery($search)
{
if ($search instanceof Query) {
return $search;
}
return $this->find()->where($search);
}
/**
* {@inheritDoc}
*/
public function query()
{
return new Query($this->getConnection(), $this);
}
/**
* {@inheritDoc}
*/
public function updateAll($fields, $conditions)
{
$query = $this->query();
$query->update()
->set($fields)
->where($conditions);
$statement = $query->execute();
$statement->closeCursor();
return $statement->rowCount();
}
/**
* {@inheritDoc}
*/
public function deleteAll($conditions)
{
$query = $this->query()
->delete()
->where($conditions);
$statement = $query->execute();
$statement->closeCursor();
return $statement->rowCount();
}
/**
* {@inheritDoc}
*/
public function exists($conditions)
{
return (bool)count(
$this->find('all')
->select(['existing' => 1])
->where($conditions)
->limit(1)
->enableHydration(false)
->toArray()
);
}
/**
* {@inheritDoc}
*
* ### Options
*
* The options array accepts the following keys:
*
* - atomic: Whether to execute the save and callbacks inside a database
* transaction (default: true)
* - checkRules: Whether or not to check the rules on entity before saving, if the checking
* fails, it will abort the save operation. (default:true)
* - associated: If `true` it will save 1st level associated entities as they are found
* in the passed `$entity` whenever the property defined for the association
* is marked as dirty. If an array, it will be interpreted as the list of associations
* to be saved. It is possible to provide different options for saving on associated
* table objects using this key by making the custom options the array value.
* If `false` no associated records will be saved. (default: `true`)
* - checkExisting: Whether or not to check if the entity already exists, assuming that the
* entity is marked as not new, and the primary key has been set.
*
* ### Events
*
* When saving, this method will trigger four events:
*
* - Model.beforeRules: Will be triggered right before any rule checking is done
* for the passed entity if the `checkRules` key in $options is not set to false.
* Listeners will receive as arguments the entity, options array and the operation type.
* If the event is stopped the rules check result will be set to the result of the event itself.
* - Model.afterRules: Will be triggered right after the `checkRules()` method is
* called for the entity. Listeners will receive as arguments the entity,
* options array, the result of checking the rules and the operation type.
* If the event is stopped the checking result will be set to the result of
* the event itself.
* - Model.beforeSave: Will be triggered just before the list of fields to be
* persisted is calculated. It receives both the entity and the options as
* arguments. The options array is passed as an ArrayObject, so any changes in
* it will be reflected in every listener and remembered at the end of the event
* so it can be used for the rest of the save operation. Returning false in any
* of the listeners will abort the saving process. If the event is stopped
* using the event API, the event object's `result` property will be returned.
* This can be useful when having your own saving strategy implemented inside a
* listener.
* - Model.afterSave: Will be triggered after a successful insert or save,
* listeners will receive the entity and the options array as arguments. The type
* of operation performed (insert or update) can be determined by checking the
* entity's method `isNew`, true meaning an insert and false an update.
* - Model.afterSaveCommit: Will be triggered after the transaction is commited
* for atomic save, listeners will receive the entity and the options array
* as arguments.
*
* This method will determine whether the passed entity needs to be
* inserted or updated in the database. It does that by checking the `isNew`
* method on the entity. If the entity to be saved returns a non-empty value from
* its `errors()` method, it will not be saved.
*
* ### Saving on associated tables
*
* This method will by default persist entities belonging to associated tables,
* whenever a dirty property matching the name of the property name set for an
* association in this table. It is possible to control what associations will
* be saved and to pass additional option for saving them.
*
* ```
* // Only save the comments association
* $articles->save($entity, ['associated' => ['Comments']);
*
* // Save the company, the employees and related addresses for each of them.
* // For employees do not check the entity rules
* $companies->save($entity, [
* 'associated' => [
* 'Employees' => [
* 'associated' => ['Addresses'],
* 'checkRules' => false
* ]
* ]
* ]);
*
* // Save no associations
* $articles->save($entity, ['associated' => false]);
* ```
*
* @throws \Cake\ORM\Exception\RolledbackTransactionException If the transaction
* is aborted in the afterSave event.
*/
public function save(EntityInterface $entity, $options = [])
{
if ($options instanceof SaveOptionsBuilder) {
$options = $options->toArray();
}
$options = new ArrayObject($options + [
'atomic' => true,
'associated' => true,
'checkRules' => true,
'checkExisting' => true,
'_primary' => true
]);
if ($entity->getErrors()) {
return false;
}
if ($entity->isNew() === false && !$entity->isDirty()) {
return $entity;
}
$success = $this->_executeTransaction(function () use ($entity, $options) {
return $this->_processSave($entity, $options);
}, $options['atomic']);
if ($success) {
if ($this->_transactionCommitted($options['atomic'], $options['_primary'])) {
$this->dispatchEvent('Model.afterSaveCommit', compact('entity', 'options'));
}
if ($options['atomic'] || $options['_primary']) {
$entity->clean();
$entity->isNew(false);
$entity->setSource($this->getRegistryAlias());
}
}
return $success;
}
/**
* Try to save an entity or throw a PersistenceFailedException if the application rules checks failed,
* the entity contains errors or the save was aborted by a callback.
*
* @param \Cake\Datasource\EntityInterface $entity the entity to be saved
* @param array|\ArrayAccess $options The options to use when saving.
* @return \Cake\Datasource\EntityInterface
* @throws \Cake\ORM\Exception\PersistenceFailedException When the entity couldn't be saved
* @see \Cake\ORM\Table::save()
*/
public function saveOrFail(EntityInterface $entity, $options = [])
{
$saved = $this->save($entity, $options);
if ($saved === false) {
throw new PersistenceFailedException($entity, ['save']);
}
return $saved;
}
/**
* Performs the actual saving of an entity based on the passed options.
*
* @param \Cake\Datasource\EntityInterface $entity the entity to be saved
* @param \ArrayObject $options the options to use for the save operation
* @return \Cake\Datasource\EntityInterface|bool
* @throws \RuntimeException When an entity is missing some of the primary keys.
* @throws \Cake\ORM\Exception\RolledbackTransactionException If the transaction
* is aborted in the afterSave event.
*/
protected function _processSave($entity, $options)
{
$primaryColumns = (array)$this->getPrimaryKey();
if ($options['checkExisting'] && $primaryColumns && $entity->isNew() && $entity->has($primaryColumns)) {
$alias = $this->getAlias();
$conditions = [];
foreach ($entity->extract($primaryColumns) as $k => $v) {
$conditions["$alias.$k"] = $v;
}
$entity->isNew(!$this->exists($conditions));
}
$mode = $entity->isNew() ? RulesChecker::CREATE : RulesChecker::UPDATE;
if ($options['checkRules'] && !$this->checkRules($entity, $mode, $options)) {
return false;
}
$options['associated'] = $this->_associations->normalizeKeys($options['associated']);
$event = $this->dispatchEvent('Model.beforeSave', compact('entity', 'options'));
if ($event->isStopped()) {
return $event->getResult();
}
$saved = $this->_associations->saveParents(
$this,
$entity,
$options['associated'],
['_primary' => false] + $options->getArrayCopy()
);
if (!$saved && $options['atomic']) {
return false;
}
$data = $entity->extract($this->getSchema()->columns(), true);
$isNew = $entity->isNew();
if ($isNew) {
$success = $this->_insert($entity, $data);
} else {
$success = $this->_update($entity, $data);
}
if ($success) {
$success = $this->_onSaveSuccess($entity, $options);
}
if (!$success && $isNew) {
$entity->unsetProperty($this->getPrimaryKey());
$entity->isNew(true);
}
return $success ? $entity : false;
}
/**
* Handles the saving of children associations and executing the afterSave logic
* once the entity for this table has been saved successfully.
*
* @param \Cake\Datasource\EntityInterface $entity the entity to be saved
* @param \ArrayObject $options the options to use for the save operation
* @return bool True on success
* @throws \Cake\ORM\Exception\RolledbackTransactionException If the transaction
* is aborted in the afterSave event.
*/
protected function _onSaveSuccess($entity, $options)
{
$success = $this->_associations->saveChildren(
$this,
$entity,
$options['associated'],
['_primary' => false] + $options->getArrayCopy()
);
if (!$success && $options['atomic']) {
return false;
}
$this->dispatchEvent('Model.afterSave', compact('entity', 'options'));
if ($options['atomic'] && !$this->getConnection()->inTransaction()) {
throw new RolledbackTransactionException(['table' => get_class($this)]);
}
if (!$options['atomic'] && !$options['_primary']) {
$entity->clean();
$entity->isNew(false);
$entity->setSource($this->getRegistryAlias());
}
return true;
}
/**
* Auxiliary function to handle the insert of an entity's data in the table
*
* @param \Cake\Datasource\EntityInterface $entity the subject entity from were $data was extracted
* @param array $data The actual data that needs to be saved
* @return \Cake\Datasource\EntityInterface|bool
* @throws \RuntimeException if not all the primary keys where supplied or could
* be generated when the table has composite primary keys. Or when the table has no primary key.
*/
protected function _insert($entity, $data)
{
$primary = (array)$this->getPrimaryKey();
if (empty($primary)) {
$msg = sprintf(
'Cannot insert row in "%s" table, it has no primary key.',
$this->getTable()
);
throw new RuntimeException($msg);
}
$keys = array_fill(0, count($primary), null);
$id = (array)$this->_newId($primary) + $keys;
// Generate primary keys preferring values in $data.
$primary = array_combine($primary, $id);
$primary = array_intersect_key($data, $primary) + $primary;
$filteredKeys = array_filter($primary, 'strlen');
$data += $filteredKeys;
if (count($primary) > 1) {
$schema = $this->getSchema();
foreach ($primary as $k => $v) {
if (!isset($data[$k]) && empty($schema->getColumn($k)['autoIncrement'])) {
$msg = 'Cannot insert row, some of the primary key values are missing. ';
$msg .= sprintf(
'Got (%s), expecting (%s)',
implode(', ', $filteredKeys + $entity->extract(array_keys($primary))),
implode(', ', array_keys($primary))
);
throw new RuntimeException($msg);
}
}
}
$success = false;
if (empty($data)) {
return $success;
}
$statement = $this->query()->insert(array_keys($data))
->values($data)
->execute();
if ($statement->rowCount() !== 0) {
$success = $entity;
$entity->set($filteredKeys, ['guard' => false]);
$schema = $this->getSchema();
$driver = $this->getConnection()->getDriver();
foreach ($primary as $key => $v) {
if (!isset($data[$key])) {
$id = $statement->lastInsertId($this->getTable(), $key);
$type = $schema->getColumnType($key);
$entity->set($key, Type::build($type)->toPHP($id, $driver));
break;
}
}
}
$statement->closeCursor();
return $success;
}
/**
* Generate a primary key value for a new record.
*
* By default, this uses the type system to generate a new primary key
* value if possible. You can override this method if you have specific requirements
* for id generation.
*
* Note: The ORM will not generate primary key values for composite primary keys.
* You can overwrite _newId() in your table class.
*
* @param array $primary The primary key columns to get a new ID for.
* @return null|string|array Either null or the primary key value or a list of primary key values.
*/
protected function _newId($primary)
{
if (!$primary || count((array)$primary) > 1) {
return null;
}
$typeName = $this->getSchema()->getColumnType($primary[0]);
$type = Type::build($typeName);
return $type->newId();
}
/**
* Auxiliary function to handle the update of an entity's data in the table
*
* @param \Cake\Datasource\EntityInterface $entity the subject entity from were $data was extracted
* @param array $data The actual data that needs to be saved
* @return \Cake\Datasource\EntityInterface|bool
* @throws \InvalidArgumentException When primary key data is missing.
*/
protected function _update($entity, $data)
{
$primaryColumns = (array)$this->getPrimaryKey();
$primaryKey = $entity->extract($primaryColumns);
$data = array_diff_key($data, $primaryKey);
if (empty($data)) {
return $entity;
}
if (count($primaryColumns) === 0) {
$entityClass = get_class($entity);
$table = $this->getTable();
$message = "Cannot update `$entityClass`. The `$table` has no primary key.";
throw new InvalidArgumentException($message);
}
if (!$entity->has($primaryColumns)) {
$message = 'All primary key value(s) are needed for updating, ';
$message .= get_class($entity) . ' is missing ' . implode(', ', $primaryColumns);
throw new InvalidArgumentException($message);
}
$query = $this->query();
$statement = $query->update()
->set($data)
->where($primaryKey)
->execute();
$success = false;
if ($statement->errorCode() === '00000') {
$success = $entity;
}
$statement->closeCursor();
return $success;
}
/**
* Persists multiple entities of a table.
*
* The records will be saved in a transaction which will be rolled back if
* any one of the records fails to save due to failed validation or database
* error.
*
* @param \Cake\Datasource\EntityInterface[]|\Cake\ORM\ResultSet $entities Entities to save.
* @param array|\ArrayAccess $options Options used when calling Table::save() for each entity.
* @return bool|\Cake\Datasource\EntityInterface[]|\Cake\ORM\ResultSet False on failure, entities list on success.
*/
public function saveMany($entities, $options = [])
{
$isNew = [];
$return = $this->getConnection()->transactional(
function () use ($entities, $options, &$isNew) {
foreach ($entities as $key => $entity) {
$isNew[$key] = $entity->isNew();
if ($this->save($entity, $options) === false) {
return false;
}
}
}
);
if ($return === false) {
foreach ($entities as $key => $entity) {
if (isset($isNew[$key]) && $isNew[$key]) {
$entity->unsetProperty($this->getPrimaryKey());
$entity->isNew(true);
}
}
return false;
}
return $entities;
}
/**
* {@inheritDoc}
*
* For HasMany and HasOne associations records will be removed based on
* the dependent option. Join table records in BelongsToMany associations
* will always be removed. You can use the `cascadeCallbacks` option
* when defining associations to change how associated data is deleted.
*
* ### Options
*
* - `atomic` Defaults to true. When true the deletion happens within a transaction.
* - `checkRules` Defaults to true. Check deletion rules before deleting the record.
*
* ### Events
*
* - `Model.beforeDelete` Fired before the delete occurs. If stopped the delete
* will be aborted. Receives the event, entity, and options.
* - `Model.afterDelete` Fired after the delete has been successful. Receives
* the event, entity, and options.
* - `Model.afterDeleteCommit` Fired after the transaction is committed for
* an atomic delete. Receives the event, entity, and options.
*
* The options argument will be converted into an \ArrayObject instance
* for the duration of the callbacks, this allows listeners to modify
* the options used in the delete operation.
*
*/
public function delete(EntityInterface $entity, $options = [])
{
$options = new ArrayObject($options + [
'atomic' => true,
'checkRules' => true,
'_primary' => true,
]);
$success = $this->_executeTransaction(function () use ($entity, $options) {
return $this->_processDelete($entity, $options);
}, $options['atomic']);
if ($success && $this->_transactionCommitted($options['atomic'], $options['_primary'])) {
$this->dispatchEvent('Model.afterDeleteCommit', [
'entity' => $entity,
'options' => $options
]);
}
return $success;
}
/**
* Try to delete an entity or throw a PersistenceFailedException if the entity is new,
* has no primary key value, application rules checks failed or the delete was aborted by a callback.
*
* @param \Cake\Datasource\EntityInterface $entity The entity to remove.
* @param array|\ArrayAccess $options The options for the delete.
* @return bool success
* @throws \Cake\ORM\Exception\PersistenceFailedException
* @see \Cake\ORM\Table::delete()
*/
public function deleteOrFail(EntityInterface $entity, $options = [])
{
$deleted = $this->delete($entity, $options);
if ($deleted === false) {
throw new PersistenceFailedException($entity, ['delete']);
}
return $deleted;
}
/**
* Perform the delete operation.
*
* Will delete the entity provided. Will remove rows from any
* dependent associations, and clear out join tables for BelongsToMany associations.
*
* @param \Cake\Datasource\EntityInterface $entity The entity to delete.
* @param \ArrayObject $options The options for the delete.
* @throws \InvalidArgumentException if there are no primary key values of the
* passed entity
* @return bool success
*/
protected function _processDelete($entity, $options)
{
if ($entity->isNew()) {
return false;
}
$primaryKey = (array)$this->getPrimaryKey();
if (!$entity->has($primaryKey)) {
$msg = 'Deleting requires all primary key values.';
throw new InvalidArgumentException($msg);
}
if ($options['checkRules'] && !$this->checkRules($entity, RulesChecker::DELETE, $options)) {
return false;
}
$event = $this->dispatchEvent('Model.beforeDelete', [
'entity' => $entity,
'options' => $options
]);
if ($event->isStopped()) {
return $event->getResult();
}
$this->_associations->cascadeDelete(
$entity,
['_primary' => false] + $options->getArrayCopy()
);
$query = $this->query();
$conditions = (array)$entity->extract($primaryKey);
$statement = $query->delete()
->where($conditions)
->execute();
$success = $statement->rowCount() > 0;
if (!$success) {
return $success;
}
$this->dispatchEvent('Model.afterDelete', [
'entity' => $entity,
'options' => $options
]);
return $success;
}
/**
* Returns true if the finder exists for the table
*
* @param string $type name of finder to check
*
* @return bool
*/
public function hasFinder($type)
{
$finder = 'find' . $type;
return method_exists($this, $finder) || ($this->_behaviors && $this->_behaviors->hasFinder($type));
}
/**
* Calls a finder method directly and applies it to the passed query,
* if no query is passed a new one will be created and returned
*
* @param string $type name of the finder to be called
* @param \Cake\ORM\Query $query The query object to apply the finder options to
* @param array $options List of options to pass to the finder
* @return \Cake\ORM\Query
* @throws \BadMethodCallException
*/
public function callFinder($type, Query $query, array $options = [])
{
$query->applyOptions($options);
$options = $query->getOptions();
$finder = 'find' . $type;
if (method_exists($this, $finder)) {
return $this->{$finder}($query, $options);
}
if ($this->_behaviors && $this->_behaviors->hasFinder($type)) {
return $this->_behaviors->callFinder($type, [$query, $options]);
}
throw new BadMethodCallException(
sprintf('Unknown finder method "%s"', $type)
);
}
/**
* Provides the dynamic findBy and findByAll methods.
*
* @param string $method The method name that was fired.
* @param array $args List of arguments passed to the function.
* @return mixed
* @throws \BadMethodCallException when there are missing arguments, or when
* and & or are combined.
*/
protected function _dynamicFinder($method, $args)
{
$method = Inflector::underscore($method);
preg_match('/^find_([\w]+)_by_/', $method, $matches);
if (empty($matches)) {
// find_by_ is 8 characters.
$fields = substr($method, 8);
$findType = 'all';
} else {
$fields = substr($method, strlen($matches[0]));
$findType = Inflector::variable($matches[1]);
}
$hasOr = strpos($fields, '_or_');
$hasAnd = strpos($fields, '_and_');
$makeConditions = function ($fields, $args) {
$conditions = [];
if (count($args) < count($fields)) {
throw new BadMethodCallException(sprintf(
'Not enough arguments for magic finder. Got %s required %s',
count($args),
count($fields)
));
}
foreach ($fields as $field) {
$conditions[$this->aliasField($field)] = array_shift($args);
}
return $conditions;
};
if ($hasOr !== false && $hasAnd !== false) {
throw new BadMethodCallException(
'Cannot mix "and" & "or" in a magic finder. Use find() instead.'
);
}
$conditions = [];
if ($hasOr === false && $hasAnd === false) {
$conditions = $makeConditions([$fields], $args);
} elseif ($hasOr !== false) {
$fields = explode('_or_', $fields);
$conditions = [
'OR' => $makeConditions($fields, $args)
];
} elseif ($hasAnd !== false) {
$fields = explode('_and_', $fields);
$conditions = $makeConditions($fields, $args);
}
return $this->find($findType, [
'conditions' => $conditions,
]);
}
/**
* Handles behavior delegation + dynamic finders.
*
* If your Table uses any behaviors you can call them as if
* they were on the table object.
*
* @param string $method name of the method to be invoked
* @param array $args List of arguments passed to the function
* @return mixed
* @throws \BadMethodCallException
*/
public function __call($method, $args)
{
if ($this->_behaviors && $this->_behaviors->hasMethod($method)) {
return $this->_behaviors->call($method, $args);
}
if (preg_match('/^find(?:\w+)?By/', $method) > 0) {
return $this->_dynamicFinder($method, $args);
}
throw new BadMethodCallException(
sprintf('Unknown method "%s"', $method)
);
}
/**
* Returns the association named after the passed value if exists, otherwise
* throws an exception.
*
* @param string $property the association name
* @return \Cake\ORM\Association
* @throws \RuntimeException if no association with such name exists
*/
public function __get($property)
{
$association = $this->_associations->get($property);
if (!$association) {
throw new RuntimeException(sprintf(
'Table "%s" is not associated with "%s"',
get_class($this),
$property
));
}
return $association;
}
/**
* Returns whether an association named after the passed value
* exists for this table.
*
* @param string $property the association name
* @return bool
*/
public function __isset($property)
{
return $this->_associations->has($property);
}
/**
* Get the object used to marshal/convert array data into objects.
*
* Override this method if you want a table object to use custom
* marshalling logic.
*
* @return \Cake\ORM\Marshaller
* @see \Cake\ORM\Marshaller
*/
public function marshaller()
{
return new Marshaller($this);
}
/**
* {@inheritDoc}
*
* By default all the associations on this table will be hydrated. You can
* limit which associations are built, or include deeper associations
* using the options parameter:
*
* ```
* $article = $this->Articles->newEntity(
* $this->request->getData(),
* ['associated' => ['Tags', 'Comments.Users']]
* );
* ```
*
* You can limit fields that will be present in the constructed entity by
* passing the `fieldList` option, which is also accepted for associations:
*
* ```
* $article = $this->Articles->newEntity($this->request->getData(), [
* 'fieldList' => ['title', 'body', 'tags', 'comments'],
* 'associated' => ['Tags', 'Comments.Users' => ['fieldList' => 'username']]
* ]
* );
* ```
*
* The `fieldList` option lets remove or restrict input data from ending up in
* the entity. If you'd like to relax the entity's default accessible fields,
* you can use the `accessibleFields` option:
*
* ```
* $article = $this->Articles->newEntity(
* $this->request->getData(),
* ['accessibleFields' => ['protected_field' => true]]
* );
* ```
*
* By default, the data is validated before being passed to the new entity. In
* the case of invalid fields, those will not be present in the resulting object.
* The `validate` option can be used to disable validation on the passed data:
*
* ```
* $article = $this->Articles->newEntity(
* $this->request->getData(),
* ['validate' => false]
* );
* ```
*
* You can also pass the name of the validator to use in the `validate` option.
* If `null` is passed to the first param of this function, no validation will
* be performed.
*
* You can use the `Model.beforeMarshal` event to modify request data
* before it is converted into entities.
*/
public function newEntity($data = null, array $options = [])
{
if ($data === null) {
$class = $this->getEntityClass();
return new $class([], ['source' => $this->getRegistryAlias()]);
}
if (!isset($options['associated'])) {
$options['associated'] = $this->_associations->keys();
}
$marshaller = $this->marshaller();
return $marshaller->one($data, $options);
}
/**
* {@inheritDoc}
*
* By default all the associations on this table will be hydrated. You can
* limit which associations are built, or include deeper associations
* using the options parameter:
*
* ```
* $articles = $this->Articles->newEntities(
* $this->request->getData(),
* ['associated' => ['Tags', 'Comments.Users']]
* );
* ```
*
* You can limit fields that will be present in the constructed entities by
* passing the `fieldList` option, which is also accepted for associations:
*
* ```
* $articles = $this->Articles->newEntities($this->request->getData(), [
* 'fieldList' => ['title', 'body', 'tags', 'comments'],
* 'associated' => ['Tags', 'Comments.Users' => ['fieldList' => 'username']]
* ]
* );
* ```
*
* You can use the `Model.beforeMarshal` event to modify request data
* before it is converted into entities.
*/
public function newEntities(array $data, array $options = [])
{
if (!isset($options['associated'])) {
$options['associated'] = $this->_associations->keys();
}
$marshaller = $this->marshaller();
return $marshaller->many($data, $options);
}
/**
* {@inheritDoc}
*
* When merging HasMany or BelongsToMany associations, all the entities in the
* `$data` array will appear, those that can be matched by primary key will get
* the data merged, but those that cannot, will be discarded.
*
* You can limit fields that will be present in the merged entity by
* passing the `fieldList` option, which is also accepted for associations:
*
* ```
* $article = $this->Articles->patchEntity($article, $this->request->getData(), [
* 'fieldList' => ['title', 'body', 'tags', 'comments'],
* 'associated' => ['Tags', 'Comments.Users' => ['fieldList' => 'username']]
* ]
* );
* ```
*
* By default, the data is validated before being passed to the entity. In
* the case of invalid fields, those will not be assigned to the entity.
* The `validate` option can be used to disable validation on the passed data:
*
* ```
* $article = $this->patchEntity($article, $this->request->getData(),[
* 'validate' => false
* ]);
* ```
*
* You can use the `Model.beforeMarshal` event to modify request data
* before it is converted into entities.
*
* When patching scalar values (null/booleans/string/integer/float), if the property
* presently has an identical value, the setter will not be called, and the
* property will not be marked as dirty. This is an optimization to prevent unnecessary field
* updates when persisting entities.
*/
public function patchEntity(EntityInterface $entity, array $data, array $options = [])
{
if (!isset($options['associated'])) {
$options['associated'] = $this->_associations->keys();
}
$marshaller = $this->marshaller();
return $marshaller->merge($entity, $data, $options);
}
/**
* {@inheritDoc}
*
* Those entries in `$entities` that cannot be matched to any record in
* `$data` will be discarded. Records in `$data` that could not be matched will
* be marshalled as a new entity.
*
* When merging HasMany or BelongsToMany associations, all the entities in the
* `$data` array will appear, those that can be matched by primary key will get
* the data merged, but those that cannot, will be discarded.
*
* You can limit fields that will be present in the merged entities by
* passing the `fieldList` option, which is also accepted for associations:
*
* ```
* $articles = $this->Articles->patchEntities($articles, $this->request->getData(), [
* 'fieldList' => ['title', 'body', 'tags', 'comments'],
* 'associated' => ['Tags', 'Comments.Users' => ['fieldList' => 'username']]
* ]
* );
* ```
*
* You can use the `Model.beforeMarshal` event to modify request data
* before it is converted into entities.
*/
public function patchEntities($entities, array $data, array $options = [])
{
if (!isset($options['associated'])) {
$options['associated'] = $this->_associations->keys();
}
$marshaller = $this->marshaller();
return $marshaller->mergeMany($entities, $data, $options);
}
/**
* Validator method used to check the uniqueness of a value for a column.
* This is meant to be used with the validation API and not to be called
* directly.
*
* ### Example:
*
* ```
* $validator->add('email', [
* 'unique' => ['rule' => 'validateUnique', 'provider' => 'table']
* ])
* ```
*
* Unique validation can be scoped to the value of another column:
*
* ```
* $validator->add('email', [
* 'unique' => [
* 'rule' => ['validateUnique', ['scope' => 'site_id']],
* 'provider' => 'table'
* ]
* ]);
* ```
*
* In the above example, the email uniqueness will be scoped to only rows having
* the same site_id. Scoping will only be used if the scoping field is present in
* the data to be validated.
*
* @param mixed $value The value of column to be checked for uniqueness.
* @param array $options The options array, optionally containing the 'scope' key.
* May also be the validation context, if there are no options.
* @param array|null $context Either the validation context or null.
* @return bool True if the value is unique, or false if a non-scalar, non-unique value was given.
*/
public function validateUnique($value, array $options, array $context = null)
{
if ($context === null) {
$context = $options;
}
$entity = new Entity(
$context['data'],
[
'useSetters' => false,
'markNew' => $context['newRecord'],
'source' => $this->getRegistryAlias()
]
);
$fields = array_merge(
[$context['field']],
isset($options['scope']) ? (array)$options['scope'] : []
);
$values = $entity->extract($fields);
foreach ($values as $field) {
if ($field !== null && !is_scalar($field)) {
return false;
}
}
$rule = new IsUnique($fields, $options);
return $rule($entity, ['repository' => $this]);
}
/**
* Get the Model callbacks this table is interested in.
*
* By implementing the conventional methods a table class is assumed
* to be interested in the related event.
*
* Override this method if you need to add non-conventional event listeners.
* Or if you want you table to listen to non-standard events.
*
* The conventional method map is:
*
* - Model.beforeMarshal => beforeMarshal
* - Model.buildValidator => buildValidator
* - Model.beforeFind => beforeFind
* - Model.beforeSave => beforeSave
* - Model.afterSave => afterSave
* - Model.afterSaveCommit => afterSaveCommit
* - Model.beforeDelete => beforeDelete
* - Model.afterDelete => afterDelete
* - Model.afterDeleteCommit => afterDeleteCommit
* - Model.beforeRules => beforeRules
* - Model.afterRules => afterRules
*
* @return array
*/
public function implementedEvents()
{
$eventMap = [
'Model.beforeMarshal' => 'beforeMarshal',
'Model.buildValidator' => 'buildValidator',
'Model.beforeFind' => 'beforeFind',
'Model.beforeSave' => 'beforeSave',
'Model.afterSave' => 'afterSave',
'Model.afterSaveCommit' => 'afterSaveCommit',
'Model.beforeDelete' => 'beforeDelete',
'Model.afterDelete' => 'afterDelete',
'Model.afterDeleteCommit' => 'afterDeleteCommit',
'Model.beforeRules' => 'beforeRules',
'Model.afterRules' => 'afterRules',
];
$events = [];
foreach ($eventMap as $event => $method) {
if (!method_exists($this, $method)) {
continue;
}
$events[$event] = $method;
}
return $events;
}
/**
* {@inheritDoc}
*
* @param \Cake\ORM\RulesChecker $rules The rules object to be modified.
* @return \Cake\ORM\RulesChecker
*/
public function buildRules(RulesChecker $rules)
{
return $rules;
}
/**
* Gets a SaveOptionsBuilder instance.
*
* @param array $options Options to parse by the builder.
* @return \Cake\ORM\SaveOptionsBuilder
*/
public function getSaveOptionsBuilder(array $options = [])
{
return new SaveOptionsBuilder($this, $options);
}
/**
* Loads the specified associations in the passed entity or list of entities
* by executing extra queries in the database and merging the results in the
* appropriate properties.
*
* ### Example:
*
* ```
* $user = $usersTable->get(1);
* $user = $usersTable->loadInto($user, ['Articles.Tags', 'Articles.Comments']);
* echo $user->articles[0]->title;
* ```
*
* You can also load associations for multiple entities at once
*
* ### Example:
*
* ```
* $users = $usersTable->find()->where([...])->toList();
* $users = $usersTable->loadInto($users, ['Articles.Tags', 'Articles.Comments']);
* echo $user[1]->articles[0]->title;
* ```
*
* The properties for the associations to be loaded will be overwritten on each entity.
*
* @param \Cake\Datasource\EntityInterface|array $entities a single entity or list of entities
* @param array $contain A `contain()` compatible array.
* @see \Cake\ORM\Query::contain()
* @return \Cake\Datasource\EntityInterface|array
*/
public function loadInto($entities, array $contain)
{
return (new LazyEagerLoader)->loadInto($entities, $contain, $this);
}
/**
* {@inheritDoc}
*/
protected function validationMethodExists($method)
{
return method_exists($this, $method) || $this->behaviors()->hasMethod($method);
}
/**
* Returns an array that can be used to describe the internal state of this
* object.
*
* @return array
*/
public function __debugInfo()
{
$conn = $this->getConnection();
$associations = $this->_associations;
$behaviors = $this->_behaviors;
return [
'registryAlias' => $this->getRegistryAlias(),
'table' => $this->getTable(),
'alias' => $this->getAlias(),
'entityClass' => $this->getEntityClass(),
'associations' => $associations ? $associations->keys() : false,
'behaviors' => $behaviors ? $behaviors->loaded() : false,
'defaultConnection' => static::defaultConnectionName(),
'connectionName' => $conn ? $conn->configName() : null
];
}
}