<?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\Database;
/**
* Implements default and single-use mappings for columns to their associated types
*/
class TypeMap
{
/**
* Associative array with the default fields and the related types this query might contain.
*
* Used to avoid repetition when calling multiple functions inside this class that
* may require a custom type for a specific field.
*
* @var string[]
*/
protected $_defaults = [];
/**
* Associative array with the fields and the related types that override defaults this query might contain
*
* Used to avoid repetition when calling multiple functions inside this class that
* may require a custom type for a specific field.
*
* @var string[]
*/
protected $_types = [];
/**
* Creates an instance with the given defaults
*
* @param string[] $defaults The defaults to use.
*/
public function __construct(array $defaults = [])
{
$this->setDefaults($defaults);
}
/**
* Configures a map of fields and associated type.
*
* These values will be used as the default mapping of types for every function
* in this instance that supports a `$types` param.
*
* This method is useful when you want to avoid repeating type definitions
* as setting types overwrites the last set of types.
*
* ### Example
*
* ```
* $query->setDefaults(['created' => 'datetime', 'is_visible' => 'boolean']);
* ```
*
* This method will replace all the existing default mappings with the ones provided.
* To add into the mappings use `addDefaults()`.
*
* @param string[] $defaults Associative array where keys are field names and values
* are the correspondent type.
* @return $this
*/
public function setDefaults(array $defaults)
{
$this->_defaults = $defaults;
return $this;
}
/**
* Returns the currently configured types.
*
* @return string[]
*/
public function getDefaults()
{
return $this->_defaults;
}
/**
* Configures a map of default fields and their associated types to be
* used as the default list of types for every function in this class
* with a $types param. Useful to avoid repetition when calling the same
* functions using the same fields and types.
*
* If called with no arguments it will return the currently configured types.
*
* ### Example
*
* ```
* $query->defaults(['created' => 'datetime', 'is_visible' => 'boolean']);
* ```
*
* This method will replace all the existing default mappings with the ones provided.
* To add into the mappings use addDefaults()
*
* @deprecated 3.4.0 Use setDefaults()/getDefaults() instead.
* @param array|null $defaults associative array where keys are field names and values
* are the correspondent type.
* @return $this|array
*/
public function defaults(array $defaults = null)
{
deprecationWarning(
'TypeMap::defaults() is deprecated. ' .
'Use TypeMap::setDefaults()/getDefaults() instead.'
);
if ($defaults !== null) {
return $this->setDefaults($defaults);
}
return $this->getDefaults();
}
/**
* Add additional default types into the type map.
*
* If a key already exists it will not be overwritten.
*
* @param string[] $types The additional types to add.
* @return void
*/
public function addDefaults(array $types)
{
$this->_defaults += $types;
}
/**
* Sets a map of fields and their associated types for single-use.
*
* ### Example
*
* ```
* $query->setTypes(['created' => 'time']);
* ```
*
* This method will replace all the existing type maps with the ones provided.
*
* @param string[] $types Associative array where keys are field names and values
* are the correspondent type.
* @return $this
*/
public function setTypes(array $types)
{
$this->_types = $types;
return $this;
}
/**
* Gets a map of fields and their associated types for single-use.
*
* @return string[]
*/
public function getTypes()
{
return $this->_types;
}
/**
* Sets a map of fields and their associated types for single-use.
*
* If called with no arguments it will return the currently configured types.
*
* ### Example
*
* ```
* $query->types(['created' => 'time']);
* ```
*
* This method will replace all the existing type maps with the ones provided.
*
* @deprecated 3.4.0 Use setTypes()/getTypes() instead.
* @param array|null $types associative array where keys are field names and values
* are the correspondent type.
* @return $this|array
*/
public function types(array $types = null)
{
deprecationWarning(
'TypeMap::types() is deprecated. ' .
'Use TypeMap::setTypes()/getTypes() instead.'
);
if ($types !== null) {
return $this->setTypes($types);
}
return $this->getTypes();
}
/**
* Returns the type of the given column. If there is no single use type is configured,
* the column type will be looked for inside the default mapping. If neither exist,
* null will be returned.
*
* @param string|int $column The type for a given column
* @return string|null
*/
public function type($column)
{
if (isset($this->_types[$column])) {
return $this->_types[$column];
}
if (isset($this->_defaults[$column])) {
return $this->_defaults[$column];
}
return null;
}
/**
* Returns an array of all types mapped types
*
* @return string[]
*/
public function toArray()
{
return $this->_types + $this->_defaults;
}
}