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<?php |
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/** |
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* This file is part of the Drest package. |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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* |
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* @author Lee Davis |
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* @copyright Copyright (c) Lee Davis <@leedavis81> |
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* @link https://github.com/leedavis81/drest/blob/master/LICENSE |
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* @license http://opensource.org/licenses/MIT The MIT X License (MIT) |
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*/ |
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namespace Drest\Tools\Console\Command; |
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use Drest\ClassGenerator; |
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use Guzzle\Http\Client; |
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use Guzzle\Http\Message\RequestInterface; |
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use Symfony\Component\Console\Command\Command; |
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use Symfony\Component\Console\Input\InputArgument; |
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use Symfony\Component\Console\Input\InputInterface; |
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use Symfony\Component\Console\Input\InputOption; |
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use Symfony\Component\Console\Output\OutputInterface; |
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use Symfony\Component\Console; |
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/** |
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* Check Drest definitions |
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*/ |
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class GenerateClasses extends Command |
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{ |
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/** |
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* @see Console\Command\Command |
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*/ |
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protected function configure() |
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{ |
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$this |
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->setName('classes:generate') |
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->setDescription('Generate client classes to interact with a Drest endpoint.') |
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->setDefinition( |
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[ |
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new InputArgument( |
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'endpoint', InputArgument::REQUIRED, 'The location of the drest API endpoint.' |
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), |
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new InputOption( |
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'dest-path', null, InputOption::VALUE_OPTIONAL, |
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'The path to generate your client classes too. If not provided classes are put in the execution path.' |
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), |
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new InputOption( |
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'namespace', null, InputOption::VALUE_OPTIONAL, |
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'The namespace you would like applied to the classes. This would be prepended to any existing namespaces the classes have' |
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) |
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] |
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) |
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->setHelp( |
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<<<EOT |
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Generate the classes required to interact with a Drest API endpoint. |
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Example usage: |
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classes:generate http://api.endpoint.com --dest-path "{/home/me/classes}" |
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EOT |
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); |
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} |
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/** |
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* @see Console\Command\Command |
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* @param InputInterface $input |
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* @param OutputInterface $output |
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* @throws \Exception |
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* @return void |
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*/ |
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protected function execute(InputInterface $input, OutputInterface $output) |
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{ |
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$endpoint = $input->getArgument('endpoint'); |
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if (($endpoint = filter_var($endpoint, FILTER_VALIDATE_URL)) === false) { |
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throw new \Exception('Invalid endpoint URI provided'); |
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} |
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$client = new Client($endpoint); |
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$request = $client->createRequest( |
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RequestInterface::OPTIONS, |
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null, |
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[ClassGenerator::HEADER_PARAM => 'true'] |
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); |
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$response = $client->send($request); |
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if (!$response->isSuccessful()) { |
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throw new \Exception('Invalid response from provided endpoint.'); |
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} |
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// Process destination directory |
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if (($path = $input->getOption('dest-path')) === null) { |
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$path = getcwd(); |
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} |
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if (!is_dir($path)) { |
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mkdir($path, 0755, true); |
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} |
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$path = realpath($path); |
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if (!file_exists($path)) { |
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throw new \Exception('Destination path doesn\'t exist and couldn\'t be created'); |
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} else { |
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if (!is_writable($path)) { |
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throw new \Exception('Cannot write to destination path'); |
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} |
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} |
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$classes = unserialize($response->getBody(true)); |
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if (!is_array($classes)) { |
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throw new \Exception('Unexpected response from HTTP endpoint. Array of class objects was expected'); |
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} |
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$classes = array_filter( |
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$classes, |
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function ($item) { |
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return (get_class($item) == 'Zend\Code\Generator\ClassGenerator'); |
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} |
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); |
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if (sizeof($classes) === 0) { |
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throw new \Exception('No classes to be generated'); |
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} |
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$output->write( |
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PHP_EOL . sprintf('Generating client classes....') . PHP_EOL |
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); |
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$clientNamespace = trim($input->getOption('namespace'), '\\'); |
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foreach ($classes as $class) { |
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/* @var \Zend\Code\Generator\ClassGenerator $class */ |
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$dir = $path; |
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$namespace = $class->getNamespaceName(); |
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if (!empty($namespace)) { |
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$dir .= DIRECTORY_SEPARATOR . str_replace('\\', DIRECTORY_SEPARATOR, trim($namespace, '\\')); |
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} |
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if (!is_dir($dir)) { |
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mkdir($dir, 0755, true); |
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} |
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$classPath = $dir . DIRECTORY_SEPARATOR . $class->getName() . '.php'; |
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// Prepend any client supplied namespace |
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if (!is_null($clientNamespace)) { |
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$class->setNamespaceName($clientNamespace . '\\' . $class->getNamespaceName()); |
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} |
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$handle = @fopen($classPath, 'w'); |
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if (!is_resource($handle)) { |
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throw new \Exception('Unable to create a file handle for client class ' . $classPath); |
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} |
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fwrite($handle, "<?php\n" . $class->generate()); |
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fclose($handle); |
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$output->write( |
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sprintf('Successfully wrote client class "<info>%s</info>"', $classPath) . PHP_EOL |
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); |
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} |
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$output->write( |
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PHP_EOL . sprintf('Client classes have been successfully generated at "<info>%s</info>"', $path) . PHP_EOL |
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); |
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} |
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} |
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leedavis81 /
drest
