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<?php |
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/** |
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* This file is part of the Disqus Helper package. |
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* |
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* Copyright (c) Nikola Posa <[email protected]> |
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* |
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* For full copyright and license information, please refer to the LICENSE file, |
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* located at the package root folder. |
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*/ |
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namespace DisqusHelper; |
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use DisqusHelper\Widget\WidgetLocatorInterface; |
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use DisqusHelper\Widget\WidgetManager; |
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/** |
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* @author Nikola Posa <[email protected]> |
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*/ |
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final class Disqus |
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{ |
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/** |
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* @var string |
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*/ |
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private $shortName; |
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/** |
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* @var array |
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*/ |
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private $config; |
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/** |
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* @var WidgetLocatorInterface |
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*/ |
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private $widgetLocator; |
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/** |
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* @var Code |
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*/ |
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private $code; |
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public function __construct() |
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{ |
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} |
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/** |
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* @param string $shortName Unique identifier of some Disqus website. |
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* @param array $config OPTIONAL Any additional Disqus configuration (https://help.disqus.com/customer/portal/articles/472098-javascript-configuration-variables). |
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* @param WidgetLocatorInterface $widgetLocator OPTIONAL |
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* |
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* @return Disqus |
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*/ |
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public static function create( |
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string $shortName, |
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array $config = [], |
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WidgetLocatorInterface $widgetLocator = null |
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) : Disqus { |
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$disqusHelper = new self(); |
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$disqusHelper->shortName = $shortName; |
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$disqusHelper->config = $config; |
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if (is_null($widgetLocator)) { |
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$widgetLocator = WidgetManager::createWithDefaultWidgets(); |
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} |
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$disqusHelper->widgetLocator = $widgetLocator; |
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$disqusHelper->code = Code::create() |
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->setConfigVariable('shortname', $shortName) |
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->mergeConfig($config); |
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return $disqusHelper; |
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} |
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public function getShortName() : string |
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{ |
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return $this->shortName; |
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} |
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public function getConfig() : array |
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{ |
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return $this->config; |
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} |
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/** |
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* Proxies calls to some Disqus widget and returns HTML output. |
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* |
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* @param string $widgetId |
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* @param array $args |
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* |
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* @throws Exception\InvalidArgumentException |
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* |
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* @return string |
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*/ |
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public function __call($widgetId, $args) : string |
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{ |
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$widget = $this->widgetLocator->get($widgetId); |
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if (($options = array_shift($args)) !== null) { |
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if (!is_array($options)) { |
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throw new Exception\InvalidArgumentException("Widget options argument should be array"); |
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} |
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} |
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if (($config = array_shift($args)) !== null) { |
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if (!is_array($config)) { |
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throw new Exception\InvalidArgumentException("Disqus configuration argument should be array"); |
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} |
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$this->code->mergeConfig($config); |
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} |
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$widget->visit($this->code); |
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return $widget->render($options ?: []); |
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} |
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/** |
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* Builds JS code which loads configuration and necessary assets. |
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* |
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* This method should be called after using and rendering widgets, usually before closing </body> tag. |
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* |
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* @return string |
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*/ |
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public function getCode() : string |
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{ |
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return $this->code->toHtml(); |
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} |
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public function __toString() : string |
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{ |
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return $this->getCode(); |
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} |
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} |
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