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<?php |
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/** |
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* Class Model |
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* |
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* @author Denis Shestakov <[email protected]> |
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* @copyright Copyright (c) 2017, Lan Publishing |
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* @license MIT |
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*/ |
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namespace Lan\Ebs\Sdk\Classes; |
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use Exception; |
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use Lan\Ebs\Sdk\Client; |
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use Lan\Ebs\Sdk\Common; |
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/** |
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* Абстрактный класс моделей |
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* |
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* @package Lan\Ebs |
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* @subpackage Sdk |
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* @category Classes |
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*/ |
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abstract class Model implements Common |
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{ |
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const MESSAGE_ID_REQUIRED = 'Id is required'; |
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const MESSAGE_ID_CAN_NOT_CHANGED = 'Id can not be changed'; |
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/** |
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* Инстанс клиента API |
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* |
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* @var Client |
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*/ |
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private $client; |
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/** |
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* Имена полей, подлежаших получению через API |
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* |
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* @var array |
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*/ |
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private $fields = []; |
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/** |
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* Данные модели |
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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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* Идентификатор модели |
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* |
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* @var null |
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*/ |
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private $id = null; |
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/** |
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* Статус последнего обращения по API |
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* |
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* @var int |
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*/ |
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private $lastStatus = 0; |
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/** |
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* Конструктор модели |
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* |
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* @param Client $client Инстанс клиента |
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* @param array $fields Поля для выборки |
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* |
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* Пример: |
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* ```php |
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* $token = '7c0c2193d27108a509abd8ea84a8750c82b3a520'; // токен для тестового подписчика |
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* |
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* $client = new Client($token); // инициализация клиента |
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* |
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* $book = new Book($client, []); // инициализация модели книг |
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* ``` |
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* |
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* @throws Exception |
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* |
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* @see Article::__construct |
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* @see Book::__construct |
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* @see Issue::__construct |
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* @see Journal::__construct |
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* @see User::__construct |
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*/ |
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public function __construct(Client $client, array $fields) |
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{ |
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if (!$client) { |
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throw new Exception('Клиент не инициализирован'); |
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} |
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if (!is_array($fields)) { |
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throw new Exception('Fields for model of collection mast be array'); |
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} |
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$this->client = $client; |
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$this->fields = $fields; |
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} |
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/** |
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* Загружаемые поля модели |
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* |
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* Те поля модели, которые будут получены по API |
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* |
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* @return array |
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*/ |
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public function getFields() |
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{ |
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return $this->fields; |
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} |
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/** |
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* Добавление новой записи по API |
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* |
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* @param array $data Устанавливаемые данные модели |
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* |
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* @return $this |
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* |
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* @throws Exception |
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*/ |
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public function post(array $data) |
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{ |
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$response = $this->getClient()->getResponse($this->getUrl(__FUNCTION__), $data); |
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$this->set($response['data'], $response['status']); |
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return $this; |
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} |
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/** |
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* Получение инстанса клиента |
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* |
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* @return Client |
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*/ |
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protected function getClient() |
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{ |
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return $this->client; |
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} |
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/** |
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* Установка данных модели |
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* |
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* @param array $data Данные модели |
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* @param int $status Статус полученных данных |
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* |
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* @return $this |
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* |
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* @throws Exception |
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*/ |
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public function set(array $data, $status = null) |
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{ |
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if (empty($data['id']) && empty($this->getId())) { |
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throw new Exception(Model::MESSAGE_ID_REQUIRED); |
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} |
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if (!empty($data['id']) && !empty($this->getId()) && $data['id'] != $this->getId()) { |
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throw new Exception(Model::MESSAGE_ID_CAN_NOT_CHANGED); |
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} |
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if (!empty($data['id'])) { |
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$this->setId($data['id']); |
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} |
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$this->data = array_merge((array)$this->data, $data); |
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if ($status) { |
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$this->lastStatus = $status; |
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} |
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return $this; |
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} |
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/** |
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* Получение идентификатора модели |
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* |
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* @return int |
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*/ |
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public function getId() |
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{ |
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return $this->id; |
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} |
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/** |
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* Установка идентификатора модели |
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* |
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* @param int $id Идентификатор модели |
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* |
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* @return int |
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* |
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* @throws Exception |
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*/ |
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public function setId($id) |
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{ |
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return $this->id = $id; |
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} |
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/** |
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* Обновление записи по API |
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* |
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* @param array $data Обновляемые данные |
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* |
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* @return $this |
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* |
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* @throws Exception |
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*/ |
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public function put(array $data) |
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{ |
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$this->set($data); |
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$response = $this->getClient()->getResponse($this->getUrl(__FUNCTION__, [$this->getId()]), $data); |
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$this->set($response['data'], $response['status']); |
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return $this; |
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} |
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/** |
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* Удаление модели |
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* |
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* @param int $id Идентификатор модели |
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* |
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* @return $this |
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* |
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* @throws Exception |
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*/ |
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public function delete($id = null) |
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{ |
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if (empty($this->getId())) { |
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$this->set(['id' => $id]); |
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} |
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$response = $this->getClient()->getResponse($this->getUrl(__FUNCTION__, [$this->getId()])); |
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$this->set($response['data'], $response['status']); |
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return $this; |
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} |
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/** |
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* Магический Get |
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* |
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* @param mixed $name Имя поля |
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* |
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* @return mixed |
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* |
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* @throws Exception |
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*/ |
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public function __get($name) |
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{ |
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$data = $this->get(); |
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if (!array_key_exists($name, $data)) { |
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throw new Exception('Поле ' . $name . ' не указано при создвнии объекта модели ' . get_class($this) . ' (см. 2-й аргумент)'); |
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} |
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return $data[$name]; |
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} |
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/** |
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* Получение метаданных по идентификатору модели |
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* |
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* @param int $id Идентификатор модели |
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* |
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* @return array |
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* |
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* @throws Exception |
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*/ |
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public function get($id = null) |
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{ |
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if ($id === null && $this->getId() !== null) { |
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return $this->data; |
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} |
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if (!$id) { |
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throw new Exception(Model::MESSAGE_ID_REQUIRED); |
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} |
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$this->setId($id); |
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$params = $this->fields ? ['fields' => implode(',', $this->fields)] : []; |
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$response = $this->getClient()->getResponse($this->getUrl(__FUNCTION__, [$this->getId()]), $params); |
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$this->set($response['data'], $response['status']); |
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return $this->data; |
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} |
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} |
In PHP, under loose comparison (like
==
, or!=
, orswitch
conditions), values of different types might be equal.For
integer
values, zero is a special case, in particular the following results might be unexpected: