Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
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<?php
/**
* @copyright Copyright (C) 2020, Friendica
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
namespace Friendica;
use Friendica\Database\Database;
use Friendica\Network\HTTPException;
use Psr\Log\LoggerInterface;
/**
* The Model classes inheriting from this abstract class are meant to represent a single database record.
* The associated table name has to be provided in the child class, and the table is expected to have a unique `id` field.
*
* @property int id
*/
abstract class BaseModel extends BaseEntity
{
/** @var Database */
protected $dba;
/** @var LoggerInterface */
protected $logger;
/**
* Model record abstraction.
* Child classes never have to interact directly with it.
* Please use the magic getter instead.
*
* @var array
*/
private $data = [];
/**
* Used to limit/avoid updates if no data was changed.
*
* @var array
*/
private $originalData = [];
/**
* @param Database $dba
* @param LoggerInterface $logger
* @param array $data Table row attributes
*/
public function __construct(Database $dba, LoggerInterface $logger, array $data = [])
{
$this->dba = $dba;
$this->logger = $logger;
$this->data = $data;
$this->originalData = $data;
}
public function getOriginalData()
{
return $this->originalData;
}
public function resetOriginalData()
{
$this->originalData = $this->data;
}
/**
* Performance-improved model creation in a loop
*
* @param BaseModel $prototype
* @param array $data
* @return BaseModel
*/
public static function createFromPrototype(BaseModel $prototype, array $data)
{
$model = clone $prototype;
$model->data = $data;
$model->originalData = $data;
return $model;
}
/**
* Magic isset method. Returns true if the field exists, either in the data prperty array or in any of the local properties.
* Used by array_column() on an array of objects.
*
* @param $name
* @return bool
*/
public function __isset($name)
{
return in_array($name, array_merge(array_keys($this->data), array_keys(get_object_vars($this))));
}
/**
* Magic getter. This allows to retrieve model fields with the following syntax:
* - $model->field (outside of class)
* - $this->field (inside of class)
*
* @param $name
* @return mixed
* @throws HTTPException\InternalServerErrorException
*/
public function __get($name)
{
$this->checkValid();
if (!array_key_exists($name, $this->data)) {
throw new HTTPException\InternalServerErrorException('Field ' . $name . ' not found in ' . static::class);
}
return $this->data[$name];
}
/**
* @param string $name
* @param mixed $value
*/
public function __set($name, $value)
{
$this->data[$name] = $value;
}
public function toArray()
{
return $this->data;
}
protected function checkValid()
{
if (empty($this->data['id'])) {
throw new HTTPException\InternalServerErrorException(static::class . ' record uninitialized');
}
}
}