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