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<?php |
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//---------------------------------------------------------------------- |
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// |
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// Copyright (C) 2015-2019 Artem Rodygin |
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// |
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// This file is part of DataTables Symfony bundle. |
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// |
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// You should have received a copy of the MIT License along with |
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// the bundle. If not, see <http://opensource.org/licenses/MIT>. |
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// |
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//---------------------------------------------------------------------- |
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namespace DataTables; |
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use Psr\Log\LoggerInterface; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\Validator\Validator\ValidatorInterface; |
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/** |
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* DataTables lookup service. |
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*/ |
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class DataTables implements DataTablesInterface |
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{ |
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protected $logger; |
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protected $validator; |
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/** @var DataTableHandlerInterface[] List of registered DataTable services. */ |
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protected $services = []; |
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/** |
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* @codeCoverageIgnore Dependency Injection constructor. |
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* |
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* @param LoggerInterface $logger |
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* @param ValidatorInterface $validator |
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*/ |
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public function __construct(LoggerInterface $logger, ValidatorInterface $validator) |
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{ |
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$this->logger = $logger; |
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$this->validator = $validator; |
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} |
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/** |
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* Registers specified DataTable handler. |
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* |
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* @param DataTableHandlerInterface $service Service of the DataTable handler. |
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* @param string $id DataTable ID. |
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*/ |
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public function addService(DataTableHandlerInterface $service, string $id = null) |
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{ |
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$service_id = $id ?? $service::ID; |
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if ($service_id !== null) { |
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$this->services[$service_id] = $service; |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function handle(Request $request, string $id): DataTableResults |
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{ |
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$this->logger->debug('Handle DataTable request', [$id]); |
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// Retrieve sent parameters. |
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$params = new Parameters(); |
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$keyParams = [ |
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'draw', |
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'start', |
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'length', |
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'search', |
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'order', |
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'columns', |
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]; |
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$params->draw = $request->get('draw'); |
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$params->start = $request->get('start'); |
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$params->length = $request->get('length'); |
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$params->search = $request->get('search'); |
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$params->order = $request->get('order') ?? []; |
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$params->columns = $request->get('columns') ?? []; |
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$allParams = $request->isMethod(Request::METHOD_POST) |
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? $request->request->all() |
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: $request->query->all(); |
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$params->customData = array_diff_key($allParams, array_flip($keyParams)); |
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// Validate sent parameters. |
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$violations = $this->validator->validate($params); |
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if (count($violations)) { |
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$message = $violations->get(0)->getMessage(); |
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$this->logger->error($message, ['request']); |
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throw new DataTableException($message); |
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} |
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// Check for valid handler is registered. |
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if (!array_key_exists($id, $this->services)) { |
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$message = 'Unknown DataTable ID.'; |
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$this->logger->error($message, [$id]); |
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throw new DataTableException($message); |
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} |
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// Convert sent parameters into data model. |
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$query = new DataTableQuery($params); |
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// Pass the data model to the handler. |
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$result = null; |
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$timer_started = microtime(true); |
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try { |
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$result = $this->services[$id]->handle($query); |
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} |
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catch (\Exception $e) { |
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$this->logger->error($e->getMessage(), [$this->services[$id]]); |
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throw new DataTableException($e->getMessage()); |
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} |
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finally { |
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$timer_stopped = microtime(true); |
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$this->logger->debug('DataTable processing time', [$timer_stopped - $timer_started, $this->services[$id]]); |
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} |
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// Validate results returned from handler. |
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$violations = $this->validator->validate($result); |
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if (count($violations)) { |
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$message = $violations->get(0)->getMessage(); |
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$this->logger->error($message, ['response']); |
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throw new DataTableException($message); |
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} |
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$reflection = new \ReflectionProperty(DataTableResults::class, 'draw'); |
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$reflection->setAccessible(true); |
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$reflection->setValue($result, $params->draw); |
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return $result; |
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} |
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} |
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webinarium /
DataTablesBundle
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