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vendor/php-flasher/flasher/Response/Resource/ResourceManager.php

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+<?php
+
+/*
+ * This file is part of the PHPFlasher package.
+ * (c) Younes KHOUBZA <younes.khoubza@gmail.com>
+ */
+
+namespace Flasher\Prime\Response\Resource;
+
+use Flasher\Prime\Config\Config;
+use Flasher\Prime\Config\ConfigInterface;
+use Flasher\Prime\Notification\Envelope;
+use Flasher\Prime\Response\Response;
+use Flasher\Prime\Stamp\HandlerStamp;
+use Flasher\Prime\Stamp\ViewStamp;
+use Flasher\Prime\Template\TemplateEngineInterface;
+
+final class ResourceManager implements ResourceManagerInterface
+{
+    /**
+     * @var ConfigInterface
+     */
+    private $config;
+
+    /**
+     * @var TemplateEngineInterface|null
+     */
+    private $templateEngine;
+
+    /**
+     * @var array<string, string[]>
+     */
+    private $scripts = array();
+
+    /**
+     * @var array<string, string[]>
+     */
+    private $styles = array();
+
+    /**
+     * @var array<string, array<string, mixed>>
+     */
+    private $options = array();
+
+    public function __construct(ConfigInterface $config = null, TemplateEngineInterface $templateEngine = null)
+    {
+        $this->config = $config ?: new Config();
+        $this->templateEngine = $templateEngine;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function buildResponse(Response $response)
+    {
+        $rootScript = $this->selectAssets($this->config->get('root_script'));
+        $rootScript = is_string($rootScript) ? $rootScript : null;
+
+        $response->setRootScript($rootScript);
+
+        $handlers = array();
+        foreach ($response->getEnvelopes() as $envelope) {
+            $handler = $this->resolveHandler($envelope);
+            if (null === $handler || \in_array($handler, $handlers, true)) {
+                continue;
+            }
+            $handlers[] = $handler;
+
+            $this->populateResponse($response, $handler);
+        }
+
+        return $response;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function addScripts($handler, array $scripts)
+    {
+        $this->scripts[$handler] = $scripts;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function addStyles($handler, array $styles)
+    {
+        $this->styles[$handler] = $styles;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function addOptions($handler, array $options)
+    {
+        $this->options[$handler] = $options;
+    }
+
+    /**
+     * @return ConfigInterface
+     */
+    public function getConfig()
+    {
+        return $this->config;
+    }
+
+    /**
+     * @param mixed $assets
+     *
+     * @return string[]|string
+     */
+    private function selectAssets($assets)
+    {
+        $use = $this->config->get('use_cdn', true) ? 'cdn' : 'local';
+
+        return is_array($assets) && array_key_exists($use, $assets) ? $assets[$use] : $assets;
+    }
+
+    /**
+     * @return string|null
+     */
+    private function resolveHandler(Envelope $envelope)
+    {
+        $handlerStamp = $envelope->get('Flasher\Prime\Stamp\HandlerStamp');
+        if (!$handlerStamp instanceof HandlerStamp) {
+            return null;
+        }
+
+        $handler = $handlerStamp->getHandler();
+        if ('flasher' !== $handler && 0 !== strpos($handler, 'theme.')) {
+            return $handler;
+        }
+
+        $theme = $this->getTheme($handler);
+        if (null === $theme) {
+            return $handler;
+        }
+
+        if (!isset($this->scripts[$handler])) {
+            $scripts = $this->config->get('themes.'.$theme.'.scripts', array());
+            $this->addScripts('theme.'.$theme, (array) $scripts);
+        }
+
+        if (!isset($this->styles[$handler])) {
+            $styles = $this->config->get('themes.'.$theme.'.styles', array());
+            $this->addStyles('theme.'.$theme, (array) $styles);
+        }
+
+        if (!isset($this->options[$handler])) {
+            $options = $this->config->get('themes.'.$theme.'.options', array());
+            $this->addOptions('theme.'.$theme, $options);
+        }
+
+        if ('flasher' === $theme) {
+            $scripts = $this->config->get('scripts', array());
+
+            if (isset($this->scripts['theme.flasher'])) {
+                $scripts = array_merge($this->scripts['theme.flasher'], $scripts);
+            }
+
+            if (isset($this->scripts['flasher'])) {
+                $scripts = array_merge($this->scripts['flasher'], $scripts);
+            }
+
+            $this->addScripts('theme.flasher', (array) $scripts);
+
+            $styles = $this->config->get('styles', array());
+            if (isset($this->styles['theme.flasher'])) {
+                $styles = array_merge($this->styles['theme.flasher'], $styles);
+            }
+            if (isset($this->scripts['flasher'])) {
+                $styles = array_merge($this->styles['flasher'], $styles);
+            }
+            $this->addStyles('theme.flasher', (array) $styles);
+
+            $options = $this->config->get('options', array());
+            if (isset($this->options['theme.flasher'])) {
+                $options = array_merge($this->options['theme.flasher'], $options);
+            }
+            if (isset($this->options['flasher'])) {
+                $options = array_merge($this->options['flasher'], $options);
+            }
+            $this->addOptions('theme.flasher', $options);
+        }
+
+        /** @var string|null $view */
+        $view = $this->config->get('themes.'.$theme.'.view');
+        if (null === $view || null === $this->templateEngine) {
+            return 'theme.'.$theme;
+        }
+
+        $compiled = $this->templateEngine->render($view, array('envelope' => $envelope));
+        $envelope->withStamp(new ViewStamp($compiled));
+
+        return 'theme.'.$theme;
+    }
+
+    /**
+     * @param string $handler
+     *
+     * @return string|null
+     */
+    private function getTheme($handler)
+    {
+        if ('flasher' === $handler) {
+            return 'flasher';
+        }
+
+        if (0 === strpos($handler, 'theme.')) {
+            return substr($handler, \strlen('theme.'));
+        }
+
+        return null;
+    }
+
+    /**
+     * @param string $handler
+     *
+     * @return void
+     */
+    private function populateResponse(Response $response, $handler)
+    {
+        if (isset($this->scripts[$handler])) {
+            $scripts = $this->selectAssets($this->scripts[$handler]);
+            $scripts = is_array($scripts) ? $scripts : array();
+
+            $response->addScripts($scripts);
+        }
+
+        if (isset($this->styles[$handler])) {
+            $styles = $this->selectAssets($this->styles[$handler]);
+            $styles = is_array($styles) ? $styles : array();
+
+            $response->addStyles($styles);
+        }
+
+        if (isset($this->options[$handler])) {
+            $response->addOptions($handler, $this->options[$handler]);
+        }
+    }
+}