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<?php
namespace MailPoetVendor\Paris;
if (!defined('ABSPATH')) exit;
use Exception;
use MailPoetVendor\Idiorm\ORM;
/**
*
* Paris
*
* http://github.com/j4mie/paris/
*
* A simple Active Record implementation built on top of Idiorm
* ( http://github.com/j4mie/idiorm/ ).
*
* You should include Idiorm before you include this file:
* require_once 'your/path/to/idiorm.php';
*
* BSD Licensed.
*
* Copyright (c) 2010, Jamie Matthews
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
/**
* Subclass of Idiorm's ORM class that supports
* returning instances of a specified class rather
* than raw instances of the ORM class.
*
* You shouldn't need to interact with this class
* directly. It is used internally by the Model base
* class.
*
*
* The methods documented below are magic methods that conform to PSR-1.
* This documentation exposes these methods to doc generators and IDEs.
* @see http://www.php-fig.org/psr/psr-1/
*
* @method void setClassName($class_name)
* @method static \ORMWrapper forTable($table_name, $connection_name = parent::DEFAULT_CONNECTION)
* @method \Model findOne($id=null)
* @method Array|\MailPoetVendor\Idiorm\IdiormResultSet findMany()
*/
class ORMWrapper extends ORM {
/**
* The wrapped find_one and find_many classes will
* return an instance or instances of this class.
*
* @var string $_class_name
*/
protected $_class_name;
/**
* Set the name of the class which the wrapped
* methods should return instances of.
*
* @param string $class_name
* @return void
*/
public function set_class_name($class_name) {
$this->_class_name = $class_name;
}
/**
* Add a custom filter to the method chain specified on the
* model class. This allows custom queries to be added
* to models. The filter should take an instance of the
* ORM wrapper as its first argument and return an instance
* of the ORM wrapper. Any arguments passed to this method
* after the name of the filter will be passed to the called
* filter function as arguments after the ORM class.
*
* @return ORMWrapper
*/
public function filter() {
$args = func_get_args();
$filter_function = array_shift($args);
array_unshift($args, $this);
if (method_exists($this->_class_name, $filter_function)) {
return call_user_func_array(array($this->_class_name, $filter_function), $args);
}
}
/**
* Factory method, return an instance of this
* class bound to the supplied table name.
*
* A repeat of content in parent::for_table, so that
* created class is ORMWrapper, not ORM
*
* @param string $table_name
* @param string $connection_name
* @return ORMWrapper
*/
public static function for_table($table_name, $connection_name = parent::DEFAULT_CONNECTION) {
self::_setup_db($connection_name);
return new self($table_name, array(), $connection_name);
}
/**
* Method to create an instance of the model class
* associated with this wrapper and populate
* it with the supplied Idiorm instance.
*
* @param ORM $orm
* @return bool|Model
*/
protected function _create_model_instance($orm) {
if ($orm === false) {
return false;
}
$model = new $this->_class_name();
$model->set_orm($orm);
return $model;
}
/**
* Wrap Idiorm's find_one method to return
* an instance of the class associated with
* this wrapper instead of the raw ORM class.
*
* @param null|integer $id
* @return Model
*/
public function find_one($id=null) {
return $this->_create_model_instance(parent::find_one($id));
}
/**
* Wrap Idiorm's find_many method to return
* an array of instances of the class associated
* with this wrapper instead of the raw ORM class.
*
* @return Array
*/
public function find_many() {
$results = parent::find_many();
foreach($results as $key => $result) {
$results[$key] = $this->_create_model_instance($result);
}
return $results;
}
/**
* Wrap Idiorm's create method to return an
* empty instance of the class associated with
* this wrapper instead of the raw ORM class.
*
* @return ORMWrapper|bool
*/
public function create($data=null) {
return $this->_create_model_instance(parent::create($data));
}
}
/**
* Model base class. Your model objects should extend
* this class. A minimal subclass would look like:
*
* class Widget extends Model {
* }
*
*
* The methods documented below are magic methods that conform to PSR-1.
* This documentation exposes these methods to doc generators and IDEs.
* @see http://www.php-fig.org/psr/psr-1/
*
* @method void setOrm($orm)
* @method $this setExpr($property, $value = null)
* @method bool isDirty($property)
* @method bool isNew()
* @method Array asArray()
*/
class Model {
// Default ID column for all models. Can be overridden by adding
// a public static _id_column property to your model classes.
const DEFAULT_ID_COLUMN = 'id';
// Default foreign key suffix used by relationship methods
const DEFAULT_FOREIGN_KEY_SUFFIX = '_id';
/**
* Set a prefix for model names. This can be a namespace or any other
* abitrary prefix such as the PEAR naming convention.
*
* @example Model::$auto_prefix_models = 'MyProject_MyModels_'; //PEAR
* @example Model::$auto_prefix_models = '\MyProject\MyModels\'; //Namespaces
*
* @var string $auto_prefix_models
*/
public static $auto_prefix_models = null;
/**
* Set true to to ignore namespace information when computing table names
* from class names.
*
* @example Model::$short_table_names = true;
* @example Model::$short_table_names = false; // default
*
* @var bool $short_table_names
*/
public static $short_table_names = false;
/**
* The ORM instance used by this model
* instance to communicate with the database.
*
* @var ORM $orm
*/
public $orm;
/**
* Retrieve the value of a static property on a class. If the
* class or the property does not exist, returns the default
* value supplied as the third argument (which defaults to null).
*
* @param string $class_name
* @param string $property
* @param null|string $default
* @return string
*/
protected static function _get_static_property($class_name, $property, $default=null) {
if (!class_exists($class_name) || !property_exists($class_name, $property)) {
return $default;
}
$properties = get_class_vars($class_name);
return $properties[$property];
}
/**
* Static method to get a table name given a class name.
* If the supplied class has a public static property
* named $_table, the value of this property will be
* returned.
*
* If not, the class name will be converted using
* the _class_name_to_table_name method method.
*
* If Model::$short_table_names == true or public static
* property $_table_use_short_name == true then $class_name passed
* to _class_name_to_table_name is stripped of namespace information.
*
* @param string $class_name
*
*@return string
*/
protected static function _get_table_name($class_name) {
$specified_table_name = self::_get_static_property($class_name, '_table');
$use_short_class_name = self::_use_short_table_name($class_name);
if ($use_short_class_name) {
$exploded_class_name = explode('\\', $class_name);
$class_name = end($exploded_class_name);
}
if (is_null($specified_table_name)) {
return self::_class_name_to_table_name($class_name);
}
return $specified_table_name;
}
/**
* Should short table names, disregarding class namespaces, be computed?
*
* $class_property overrides $global_option, unless $class_property is null
*
* @param string $class_name
* @return bool
*/
protected static function _use_short_table_name($class_name) {
$global_option = self::$short_table_names;
$class_property = self::_get_static_property($class_name, '_table_use_short_name');
return is_null($class_property) ? $global_option : $class_property;
}
/**
* Convert a namespace to the standard PEAR underscore format.
*
* Then convert a class name in CapWords to a table name in
* lowercase_with_underscores.
*
* Finally strip doubled up underscores
*
* For example, CarTyre would be converted to car_tyre. And
* Project\Models\CarTyre would be project_models_car_tyre.
*
* @param string $class_name
* @return string
*/
protected static function _class_name_to_table_name($class_name) {
return strtolower(preg_replace(
array('/\\\\/', '/(?<=[a-z])([A-Z])/', '/__/'),
array('_', '_$1', '_'),
ltrim($class_name, '\\')
));
}
/**
* Return the ID column name to use for this class. If it is
* not set on the class, returns null.
*
* @param string $class_name
* @return string|null
*/
protected static function _get_id_column_name($class_name) {
return self::_get_static_property($class_name, '_id_column', self::DEFAULT_ID_COLUMN);
}
/**
* Build a foreign key based on a table name. If the first argument
* (the specified foreign key column name) is null, returns the second
* argument (the name of the table) with the default foreign key column
* suffix appended.
*
* @param string $specified_foreign_key_name
* @param string $table_name
* @return string
*/
protected static function _build_foreign_key_name($specified_foreign_key_name, $table_name) {
if (!is_null($specified_foreign_key_name)) {
return $specified_foreign_key_name;
}
return $table_name . self::DEFAULT_FOREIGN_KEY_SUFFIX;
}
/**
* Factory method used to acquire instances of the given class.
* The class name should be supplied as a string, and the class
* should already have been loaded by PHP (or a suitable autoloader
* should exist). This method actually returns a wrapped ORM object
* which allows a database query to be built. The wrapped ORM object is
* responsible for returning instances of the correct class when
* its find_one or find_many methods are called.
*
* @param string $class_name
* @param null|string $connection_name
* @return ORMWrapper
*/
public static function factory($class_name, $connection_name = null) {
$class_name = self::$auto_prefix_models . $class_name;
$table_name = self::_get_table_name($class_name);
if ($connection_name == null) {
$connection_name = self::_get_static_property(
$class_name,
'_connection_name',
ORMWrapper::DEFAULT_CONNECTION
);
}
$wrapper = ORMWrapper::for_table($table_name, $connection_name);
$wrapper->set_class_name($class_name);
$wrapper->use_id_column(self::_get_id_column_name($class_name));
return $wrapper;
}
/**
* Internal method to construct the queries for both the has_one and
* has_many methods. These two types of association are identical; the
* only difference is whether find_one or find_many is used to complete
* the method chain.
*
* @param string $associated_class_name
* @param null|string $foreign_key_name
* @param null|string $foreign_key_name_in_current_models_table
* @param null|string $connection_name
* @return ORMWrapper
*/
protected function _has_one_or_many($associated_class_name, $foreign_key_name=null, $foreign_key_name_in_current_models_table=null, $connection_name=null) {
$base_table_name = self::_get_table_name(get_class($this));
$foreign_key_name = self::_build_foreign_key_name($foreign_key_name, $base_table_name);
$where_value = ''; //Value of foreign_table.{$foreign_key_name} we're
//looking for. Where foreign_table is the actual
//database table in the associated model.
if(is_null($foreign_key_name_in_current_models_table)) {
//Match foreign_table.{$foreign_key_name} with the value of
//{$this->_table}.{$this->id()}
$where_value = $this->id();
} else {
//Match foreign_table.{$foreign_key_name} with the value of
//{$this->_table}.{$foreign_key_name_in_current_models_table}
$where_value = $this->$foreign_key_name_in_current_models_table;
}
return self::factory($associated_class_name, $connection_name)->where($foreign_key_name, $where_value);
}
/**
* Helper method to manage one-to-one relations where the foreign
* key is on the associated table.
*
* @param string $associated_class_name
* @param null|string $foreign_key_name
* @param null|string $foreign_key_name_in_current_models_table
* @param null|string $connection_name
* @return ORMWrapper
*/
protected function has_one($associated_class_name, $foreign_key_name=null, $foreign_key_name_in_current_models_table=null, $connection_name=null) {
return $this->_has_one_or_many($associated_class_name, $foreign_key_name, $foreign_key_name_in_current_models_table, $connection_name);
}
/**
* Helper method to manage one-to-many relations where the foreign
* key is on the associated table.
*
* @param string $associated_class_name
* @param null|string $foreign_key_name
* @param null|string $foreign_key_name_in_current_models_table
* @param null|string $connection_name
* @return ORMWrapper
*/
protected function has_many($associated_class_name, $foreign_key_name=null, $foreign_key_name_in_current_models_table=null, $connection_name=null) {
return $this->_has_one_or_many($associated_class_name, $foreign_key_name, $foreign_key_name_in_current_models_table, $connection_name);
}
/**
* Helper method to manage one-to-one and one-to-many relations where
* the foreign key is on the base table.
*
* @param string $associated_class_name
* @param null|string $foreign_key_name
* @param null|string $foreign_key_name_in_associated_models_table
* @param null|string $connection_name
* @return $this|null
*/
protected function belongs_to($associated_class_name, $foreign_key_name=null, $foreign_key_name_in_associated_models_table=null, $connection_name=null) {
$associated_table_name = self::_get_table_name(self::$auto_prefix_models . $associated_class_name);
$foreign_key_name = self::_build_foreign_key_name($foreign_key_name, $associated_table_name);
$associated_object_id = $this->$foreign_key_name;
$desired_record = null;
if( is_null($foreign_key_name_in_associated_models_table) ) {
//"{$associated_table_name}.primary_key = {$associated_object_id}"
//NOTE: primary_key is a placeholder for the actual primary key column's name
//in $associated_table_name
$desired_record = self::factory($associated_class_name, $connection_name)->where_id_is($associated_object_id);
} else {
//"{$associated_table_name}.{$foreign_key_name_in_associated_models_table} = {$associated_object_id}"
$desired_record = self::factory($associated_class_name, $connection_name)->where($foreign_key_name_in_associated_models_table, $associated_object_id);
}
return $desired_record;
}
/**
* Helper method to manage many-to-many relationships via an intermediate model. See
* README for a full explanation of the parameters.
*
* @param string $associated_class_name
* @param null|string $join_class_name
* @param null|string $key_to_base_table
* @param null|string $key_to_associated_table
* @param null|string $key_in_base_table
* @param null|string $key_in_associated_table
* @param null|string $connection_name
* @return ORMWrapper
*/
protected function has_many_through($associated_class_name, $join_class_name=null, $key_to_base_table=null, $key_to_associated_table=null, $key_in_base_table=null, $key_in_associated_table=null, $connection_name=null) {
$base_class_name = get_class($this);
// The class name of the join model, if not supplied, is
// formed by concatenating the names of the base class
// and the associated class, in alphabetical order.
if (is_null($join_class_name)) {
$base_model = explode('\\', $base_class_name);
$base_model_name = end($base_model);
if (substr($base_model_name, 0, strlen(self::$auto_prefix_models)) == self::$auto_prefix_models) {
$base_model_name = substr($base_model_name, strlen(self::$auto_prefix_models), strlen($base_model_name));
}
// Paris wasn't checking the name settings for the associated class.
$associated_model = explode('\\', $associated_class_name);
$associated_model_name = end($associated_model);
if (substr($associated_model_name, 0, strlen(self::$auto_prefix_models)) == self::$auto_prefix_models) {
$associated_model_name = substr($associated_model_name, strlen(self::$auto_prefix_models), strlen($associated_model_name));
}
$class_names = array($base_model_name, $associated_model_name);
sort($class_names, SORT_STRING);
$join_class_name = implode('', $class_names);
}
// Get table names for each class
$base_table_name = self::_get_table_name($base_class_name);
$associated_table_name = self::_get_table_name(self::$auto_prefix_models . $associated_class_name);
$join_table_name = self::_get_table_name(self::$auto_prefix_models . $join_class_name);
// Get ID column names
$base_table_id_column = (is_null($key_in_base_table)) ?
self::_get_id_column_name($base_class_name) :
$key_in_base_table;
$associated_table_id_column = (is_null($key_in_associated_table)) ?
self::_get_id_column_name(self::$auto_prefix_models . $associated_class_name) :
$key_in_associated_table;
// Get the column names for each side of the join table
$key_to_base_table = self::_build_foreign_key_name($key_to_base_table, $base_table_name);
$key_to_associated_table = self::_build_foreign_key_name($key_to_associated_table, $associated_table_name);
/*
" SELECT {$associated_table_name}.*
FROM {$associated_table_name} JOIN {$join_table_name}
ON {$associated_table_name}.{$associated_table_id_column} = {$join_table_name}.{$key_to_associated_table}
WHERE {$join_table_name}.{$key_to_base_table} = {$this->$base_table_id_column} ;"
*/
return self::factory($associated_class_name, $connection_name)
->select("{$associated_table_name}.*")
->join($join_table_name, array("{$associated_table_name}.{$associated_table_id_column}", '=', "{$join_table_name}.{$key_to_associated_table}"))
->where("{$join_table_name}.{$key_to_base_table}", $this->$base_table_id_column); ;
}
/**
* Set the wrapped ORM instance associated with this Model instance.
*
* @param ORM $orm
* @return void
*/
public function set_orm($orm) {
$this->orm = $orm;
}
/**
* Magic getter method, allows $model->property access to data.
*
* @param string $property
* @return null|string
*/
public function __get($property) {
return $this->orm->get($property);
}
/**
* Magic setter method, allows $model->property = 'value' access to data.
*
* @param string $property
* @param string $value
* @return void
*/
public function __set($property, $value) {
$this->orm->set($property, $value);
}
/**
* Magic unset method, allows unset($model->property)
*
* @param string $property
* @return void
*/
public function __unset($property) {
$this->orm->__unset($property);
}
/**
* Magic isset method, allows isset($model->property) to work correctly.
*
* @param string $property
* @return bool
*/
public function __isset($property) {
return $this->orm->__isset($property);
}
/**
* Getter method, allows $model->get('property') access to data
*
* @param string $property
* @return string
*/
public function get($property) {
return $this->orm->get($property);
}
/**
* Setter method, allows $model->set('property', 'value') access to data.
*
* @param string|array $property
* @param string|null $value
* @return Model
*/
public function set($property, $value = null) {
$this->orm->set($property, $value);
return $this;
}
/**
* Setter method, allows $model->set_expr('property', 'value') access to data.
*
* @param string|array $property
* @param string|null $value
* @return Model
*/
public function set_expr($property, $value = null) {
$this->orm->set_expr($property, $value);
return $this;
}
/**
* Check whether the given field has changed since the object was created or saved
*
* @param string $property
* @return bool
*/
public function is_dirty($property) {
return $this->orm->is_dirty($property);
}
/**
* Check whether the model was the result of a call to create() or not
*
* @return bool
*/
public function is_new() {
return $this->orm->is_new();
}
/**
* Wrapper for Idiorm's as_array method.
*
* @return Array
*/
public function as_array() {
$args = func_get_args();
return call_user_func_array(array($this->orm, 'as_array'), $args);
}
/**
* Save the data associated with this model instance to the database.
*
* @return null
*/
public function save() {
return $this->orm->save();
}
/**
* Delete the database row associated with this model instance.
*
* @return null
*/
public function delete() {
return $this->orm->delete();
}
/**
* Get the database ID of this model instance.
*
* @return integer
*/
public function id() {
return $this->orm->id();
}
/**
* Hydrate this model instance with an associative array of data.
* WARNING: The keys in the array MUST match with columns in the
* corresponding database table. If any keys are supplied which
* do not match up with columns, the database will throw an error.
*
* @param Array $data
* @return void
*/
public function hydrate($data) {
$this->orm->hydrate($data)->force_all_dirty();
}
/**
* Calls static methods directly on the ORMWrapper
*
* @param string $method
* @param Array $parameters
* @return Array
*/
public static function __callStatic($method, $parameters) {
if(function_exists('get_called_class')) {
$model = self::factory(get_called_class());
return call_user_func_array(array($model, $method), $parameters);
}
}
/**
* Magic method to capture calls to undefined class methods.
* In this case we are attempting to convert camel case formatted
* methods into underscore formatted methods.
*
* This allows us to call methods using camel case and remain
* backwards compatible.
*
* @param string $name
* @param array $arguments
* @throws ParisMethodMissingException
* @return bool|ORMWrapper
*/
public function __call($name, $arguments) {
$method = strtolower(preg_replace('/([a-z])([A-Z])/', '$1_$2', $name));
if (method_exists($this, $method)) {
return call_user_func_array(array($this, $method), $arguments);
} else {
throw new ParisMethodMissingException("Method $name() does not exist in class " . get_class($this));
}
}
}
class ParisMethodMissingException extends Exception {}