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<?php |
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/* |
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* This file is part of the Superdesk Web Publisher Templates System. |
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* |
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* Copyright 2015 Sourcefabric z.ú. and contributors. |
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* |
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* For the full copyright and license information, please see the |
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* AUTHORS and LICENSE files distributed with this source code. |
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* |
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* @copyright 2015 Sourcefabric z.ú |
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* @license http://www.superdesk.org/license |
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*/ |
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namespace SWP\Component\TemplatesSystem\Gimme\Meta; |
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use SWP\Component\TemplatesSystem\Gimme\Context\Context; |
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use SWP\Component\TemplatesSystem\Gimme\Event\MetaEvent; |
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class Meta implements MetaInterface |
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{ |
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protected $values; |
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protected $context; |
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protected $configuration; |
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private $copiedValues = []; |
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public function __construct(Context $context, $values, $configuration) |
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{ |
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$this->context = $context; |
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$this->values = $values; |
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$this->configuration = $configuration; |
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$this->context->registerMeta($this); |
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} |
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/** |
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* Use to_string property from configuration if provided, json with exposed properties otherwise. |
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* |
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* @return string |
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*/ |
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public function __toString() |
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{ |
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if (array_key_exists('to_string', $this->configuration)) { |
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$toStringProperty = $this->configuration['to_string']; |
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$this->load($toStringProperty); |
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if (isset($this->copiedValues[$toStringProperty])) { |
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return (string) $this->copiedValues[$toStringProperty]; |
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} |
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} |
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return gettype($this->values); |
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} |
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/** |
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* @param string $name |
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* |
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* @return bool |
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*/ |
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public function __isset(string $name) |
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{ |
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$this->load($name); |
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if (array_key_exists($name, $this->copiedValues)) { |
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return true; |
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} |
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return false; |
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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, $value) |
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{ |
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if ($value instanceof \Traversable || is_array($value)) { |
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$newValue = []; |
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foreach ($value as $key => $item) { |
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$newValue[$key] = $this->getValueOrMeta($item); |
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} |
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$this->copiedValues[$name] = $newValue; |
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return; |
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} |
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$this->copiedValues[$name] = $this->getValueOrMeta($value); |
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} |
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/** |
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* @param string $name |
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* |
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* @return mixed|null |
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*/ |
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public function __get(string $name) |
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{ |
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if (array_key_exists($name, $this->copiedValues)) { |
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return $this->copiedValues[$name]; |
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} |
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$this->load($name); |
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return $this->copiedValues[$name]; |
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} |
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/** |
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* @return array|object|string |
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*/ |
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public function getValues() |
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{ |
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return $this->values; |
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} |
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public function getConfiguration(): array |
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{ |
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return $this->configuration; |
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} |
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public function setConfiguration(array $configuration): void |
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{ |
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$this->configuration = $configuration; |
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} |
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public function getContext(): Context |
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{ |
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return $this->context; |
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} |
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public function __sleep() |
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{ |
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unset($this->values, $this->context, $this->configuration); |
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return array_keys(get_object_vars($this)); |
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} |
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private function fillFromArray(array $values, array $configuration, string $name): void |
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{ |
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if (isset($configuration['properties'][$name], $values[$name]) && count($values) > 0) { |
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$this->$name = $values[$name]; |
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} |
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} |
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private function fillFromObject($values, array $configuration, string $name): void |
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{ |
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if (!isset($configuration['properties'][$name])) { |
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return; |
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} |
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$event = new MetaEvent($this->getValues(), $name); |
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$this->context->dispatchMetaEvent($event); |
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if ($event->isResultSet()) { |
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$this->$name = $event->getResult(); |
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return; |
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} |
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$getterName = 'get'.ucfirst($name); |
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if ('bool' === $configuration['properties'][$name]['type']) { |
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$getterName = (0 !== strpos($name, 'is')) ? 'is'.ucfirst($name) : $name; |
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} |
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if (method_exists($values, $getterName)) { |
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$this->$name = $values->$getterName(); |
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} |
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} |
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private function isJson(string $string): bool |
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{ |
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json_decode($string, false); |
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return JSON_ERROR_NONE === json_last_error(); |
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} |
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/** |
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* @param mixed $value |
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* |
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* @return mixed|Meta |
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*/ |
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private function getValueOrMeta($value) |
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{ |
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if ($this->context->isSupported($value)) { |
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return $this->context->getMetaForValue($value); |
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} |
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return $value; |
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} |
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private function load(string $name): void |
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{ |
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if (is_array($this->values)) { |
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$this->fillFromArray($this->values, $this->configuration, $name); |
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} elseif (is_string($this->values) && $this->isJson($this->values)) { |
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$this->fillFromArray(json_decode($this->values, true), $this->configuration, $name); |
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} elseif (is_object($this->values)) { |
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$this->fillFromObject($this->values, $this->configuration, $name); |
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} |
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} |
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} |
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SuperdeskWebPublisher /
templates-system
