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<?php |
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/* |
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* This file is part of the CRUDlex package. |
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* |
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* (c) Philip Lehmann-Böhm <[email protected]> |
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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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namespace CRUDlex; |
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use Pimple\Container; |
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use Pimple\ServiceProviderInterface; |
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use Silex\Api\BootableProviderInterface; |
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use Silex\Application; |
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use Silex\Provider\LocaleServiceProvider; |
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use Silex\Provider\SessionServiceProvider; |
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use Silex\Provider\TranslationServiceProvider; |
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use Silex\Provider\TwigServiceProvider; |
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use Symfony\Component\Translation\Loader\YamlFileLoader; |
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use Symfony\Component\Translation\Translator; |
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use Symfony\Component\Yaml\Yaml; |
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/** |
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* The ServiceProvider setups and initializes the whole CRUD system. |
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* After adding it to your Silex-setup, it offers access to {@see AbstractData} |
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* instances, one for each defined entity off the CRUD YAML file. |
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*/ |
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class ServiceProvider implements ServiceProviderInterface, BootableProviderInterface { |
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/** |
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* Holds the {@see AbstractData} instances. |
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*/ |
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protected $datas; |
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/** |
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* Holds whether we manage the i18n. |
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*/ |
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protected $manageI18n; |
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/** |
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* Reads and returns the contents of the given Yaml file. If |
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* it goes wrong, it throws an exception. |
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* |
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* @param string $fileName |
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* the file to read |
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* |
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* @return array |
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* the file contents |
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* |
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* @throws \RuntimeException |
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* thrown if the file could not be read or parsed |
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*/ |
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protected function readYaml($fileName) { |
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try { |
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$fileContent = file_get_contents($fileName); |
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$parsedYaml = Yaml::parse($fileContent); |
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if (!is_array($parsedYaml)) { |
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$parsedYaml = []; |
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} |
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return $parsedYaml; |
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} catch (\Exception $e) { |
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throw new \RuntimeException('Could not open CRUD file '.$fileName, $e->getCode(), $e); |
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} |
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} |
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/** |
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* Initializes needed but yet missing service providers. |
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* |
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* @param Container $app |
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* the application container |
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*/ |
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protected function initMissingServiceProviders(Container $app) { |
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if (!$app->offsetExists('translator')) { |
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$app->register(new LocaleServiceProvider()); |
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$app->register(new TranslationServiceProvider(), [ |
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'locale_fallbacks' => ['en'], |
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]); |
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} |
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if (!$app->offsetExists('session')) { |
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$app->register(new SessionServiceProvider()); |
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} |
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if (!$app->offsetExists('twig')) { |
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$app->register(new TwigServiceProvider()); |
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} |
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$app['twig.loader.filesystem']->addPath(__DIR__.'/../views/', 'crud'); |
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} |
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/** |
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* Initializes the available locales. |
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* |
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* @param Container $app |
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* the application container |
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* |
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* @return array |
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* the available locales |
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*/ |
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protected function initLocales(Container $app) { |
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$locales = $this->getLocales(); |
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$localeDir = __DIR__.'/../locales'; |
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$app['translator']->addLoader('yaml', new YamlFileLoader()); |
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foreach ($locales as $locale) { |
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$app['translator']->addResource('yaml', $localeDir.'/'.$locale.'.yml', $locale); |
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} |
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return $locales; |
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} |
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/** |
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* Initializes the children of the data entries. |
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*/ |
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protected function initChildren() { |
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foreach ($this->datas as $name => $data) { |
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$fields = $data->getDefinition()->getFieldNames(); |
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foreach ($fields as $field) { |
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if ($data->getDefinition()->getType($field) == 'reference') { |
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$this->datas[$data->getDefinition()->getSubTypeField($field, 'reference', 'entity')]->getDefinition()->addChild($data->getDefinition()->getTable(), $field, $name); |
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} |
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} |
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} |
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} |
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/** |
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* Gets a map with localized entity labels from the CRUD YML. |
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* |
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* @param array $locales |
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* the available locales |
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* @param array $crud |
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* the CRUD entity map |
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* |
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* @return array |
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* the map with localized entity labels |
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*/ |
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protected function getLocaleLabels($locales, $crud) { |
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$localeLabels = []; |
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foreach ($locales as $locale) { |
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if (array_key_exists('label_'.$locale, $crud)) { |
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$localeLabels[$locale] = $crud['label_'.$locale]; |
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} |
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} |
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return $localeLabels; |
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} |
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/** |
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* Configures the EntityDefinition according to the given |
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* CRUD entity map. |
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* |
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* @param EntityDefinition $definition |
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* the definition to configure |
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* @param array $crud |
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* the CRUD entity map |
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*/ |
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protected function configureDefinition(EntityDefinition $definition, array $crud) { |
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$toConfigure = [ |
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'deleteCascade', |
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'listFields', |
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'filter', |
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'childrenLabelFields', |
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'pageSize', |
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'initialSortField', |
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'initialSortAscending' |
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]; |
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foreach ($toConfigure as $field) { |
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if (array_key_exists($field, $crud)) { |
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$function = 'set'.ucfirst($field); |
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$definition->$function($crud[$field]); |
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} |
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} |
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} |
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/** |
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* Creates and setups an EntityDefinition instance. |
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* |
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* @param Container $app |
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* the application container |
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* @param array $locales |
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* the available locales |
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* @param array $crud |
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* the parsed YAML of a CRUD entity |
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* @param string $name |
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* the name of the entity |
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* |
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* @return EntityDefinition |
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* the EntityDefinition good to go |
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*/ |
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protected function createDefinition(Container $app, array $locales, array $crud, $name) { |
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$label = array_key_exists('label', $crud) ? $crud['label'] : $name; |
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$localeLabels = $this->getLocaleLabels($locales, $crud); |
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$standardFieldLabels = [ |
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'id' => $app['translator']->trans('crudlex.label.id'), |
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'created_at' => $app['translator']->trans('crudlex.label.created_at'), |
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'updated_at' => $app['translator']->trans('crudlex.label.updated_at') |
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]; |
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$factory = $app->offsetExists('crud.entitydefinitionfactory') ? $app['crud.entitydefinitionfactory'] : new EntityDefinitionFactory(); |
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$definition = $factory->createEntityDefinition( |
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$crud['table'], |
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$crud['fields'], |
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$label, |
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$localeLabels, |
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$standardFieldLabels, |
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$this |
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); |
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$this->configureDefinition($definition, $crud); |
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return $definition; |
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} |
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/** |
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* Validates the parsed entity definition. |
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* |
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* @param Container $app |
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* the application container |
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* @param array $entityDefinition |
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* the entity definition to validate |
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*/ |
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protected function validateEntityDefinition(Container $app, array $entityDefinition) { |
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$doValidate = !$app->offsetExists('crud.validateentitydefinition') || $app['crud.validateentitydefinition'] === true; |
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if ($doValidate) { |
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$validator = $app->offsetExists('crud.entitydefinitionvalidator') |
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? $app['crud.entitydefinitionvalidator'] |
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: new EntityDefinitionValidator(); |
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$validator->validate($entityDefinition); |
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} |
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} |
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/** |
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* Initializes the instance. |
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* |
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* @param DataFactoryInterface $dataFactory |
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* the factory to create the concrete AbstractData instances |
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* @param string $crudFile |
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* the CRUD YAML file to parse |
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* @param FileProcessorInterface $fileProcessor |
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* the file processor used for file fields |
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* @param boolean $manageI18n |
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* holds whether we manage the i18n |
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* @param Container $app |
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* the application container |
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*/ |
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public function init(DataFactoryInterface $dataFactory, $crudFile, FileProcessorInterface $fileProcessor, $manageI18n, Container $app) { |
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$parsedYaml = $this->readYaml($crudFile); |
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$this->validateEntityDefinition($app, $parsedYaml); |
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$this->initMissingServiceProviders($app); |
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$this->manageI18n = $manageI18n; |
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$locales = $this->initLocales($app); |
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$this->datas = []; |
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foreach ($parsedYaml as $name => $crud) { |
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$definition = $this->createDefinition($app, $locales, $crud, $name); |
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$this->datas[$name] = $dataFactory->createData($definition, $fileProcessor); |
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} |
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$twigExtensions = new TwigExtensions(); |
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$twigExtensions->registerTwigExtensions($app); |
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$this->initChildren(); |
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} |
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/** |
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* Implements ServiceProviderInterface::register() registering $app['crud']. |
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* $app['crud'] contains an instance of the ServiceProvider afterwards. |
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* |
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* @param Container $app |
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* the Container instance of the Silex application |
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*/ |
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public function register(Container $app) { |
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$app['crud'] = function() use ($app) { |
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$result = new static(); |
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return $result; |
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}; |
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} |
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/** |
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* Initializes the crud service right after boot. |
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* |
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* @param Application $app |
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* the Container instance of the Silex application |
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*/ |
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public function boot(Application $app) { |
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$fileProcessor = $app->offsetExists('crud.fileprocessor') ? $app['crud.fileprocessor'] : new SimpleFilesystemFileProcessor(); |
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$manageI18n = $app->offsetExists('crud.manageI18n') ? $app['crud.manageI18n'] : true; |
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$app['crud']->init($app['crud.datafactory'], $app['crud.file'], $fileProcessor, $manageI18n, $app); |
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} |
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/** |
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* Getter for the {@see AbstractData} instances. |
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* |
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* @param string $name |
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* the entity name of the desired Data instance |
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* |
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* @return AbstractData |
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* the AbstractData instance or null on invalid name |
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*/ |
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public function getData($name) { |
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if (!array_key_exists($name, $this->datas)) { |
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return null; |
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} |
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return $this->datas[$name]; |
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} |
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/** |
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* Getter for all available entity names. |
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* |
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* @return string[] |
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* a list of all available entity names |
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*/ |
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public function getEntities() { |
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return array_keys($this->datas); |
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} |
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/** |
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* Determines the Twig template to use for the given parameters depending on |
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* the existance of certain keys in the Container $app in this order: |
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* |
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* crud.$section.$action.$entity |
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* crud.$section.$action |
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* crud.$section |
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* |
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* If nothing exists, this string is returned: "@crud/<action>.twig" |
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* |
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* @param Container $app |
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* the Silex application |
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* @param string $section |
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* the section of the template, either "layout" or "template" |
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* @param string $action |
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* the current calling action like "create" or "show" |
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* @param string $entity |
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* the current calling entity |
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* |
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* @return string |
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* the best fitting template |
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*/ |
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public function getTemplate(Container $app, $section, $action, $entity) { |
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$crudSection = 'crud.'.$section; |
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$crudSectionAction = $crudSection.'.'.$action; |
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$offsets = [ |
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$crudSectionAction.'.'.$entity, |
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$crudSection.'.'.$entity, |
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$crudSectionAction, |
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$crudSection |
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]; |
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foreach ($offsets as $offset) { |
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if ($app->offsetExists($offset)) { |
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return $app[$offset]; |
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} |
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} |
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return '@crud/'.$action.'.twig'; |
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} |
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/** |
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* Gets whether CRUDlex manages the i18n system. |
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* |
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* @return boolean |
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* true if CRUDlex manages the i18n system |
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*/ |
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public function isManagingI18n() { |
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return $this->manageI18n; |
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} |
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/** |
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* Sets the locale to be used. |
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* |
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|
|
* @param string $locale |
375
|
|
|
* the locale to be used. |
376
|
|
|
*/ |
377
|
|
|
public function setLocale($locale) { |
378
|
|
|
foreach ($this->datas as $data) { |
379
|
|
|
$data->getDefinition()->setLocale($locale); |
380
|
|
|
} |
381
|
|
|
} |
382
|
|
|
|
383
|
|
|
/** |
384
|
|
|
* Gets the available locales. |
385
|
|
|
* |
386
|
|
|
* @return array |
387
|
|
|
* the available locales |
388
|
|
|
*/ |
389
|
|
|
public function getLocales() { |
390
|
|
|
$localeDir = __DIR__.'/../locales'; |
391
|
|
|
$languageFiles = scandir($localeDir); |
392
|
|
|
$locales = []; |
393
|
|
|
foreach ($languageFiles as $languageFile) { |
394
|
|
|
if (in_array($languageFile, ['.', '..'])) { |
395
|
|
|
continue; |
396
|
|
|
} |
397
|
|
|
$extensionPos = strpos($languageFile, '.yml'); |
398
|
|
|
if ($extensionPos !== false) { |
399
|
|
|
$locale = substr($languageFile, 0, $extensionPos); |
400
|
|
|
$locales[] = $locale; |
401
|
|
|
} |
402
|
|
|
} |
403
|
|
|
sort($locales); |
404
|
|
|
return $locales; |
405
|
|
|
} |
406
|
|
|
|
407
|
|
|
} |
408
|
|
|
|
This check looks for multiple assignments in successive lines of code. It will report an issue if the operators are not in a straight line.
To visualize
will produce issues in the first and second line, while this second example
will produce no issues.