symfony · GromNaN · Apr 6, 2020 · May 6, 2020
diff --git a/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Configuration.php b/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Configuration.php
@@ -580,6 +580,7 @@ private function addAssetsSection(ArrayNodeDefinition $rootNode)
                         ->scalarNode('version')->defaultNull()->end()
                         ->scalarNode('version_format')->defaultValue('%%s?%%s')->end()
                         ->scalarNode('json_manifest_path')->defaultNull()->end()
+                        ->booleanNode('cache')->defaultFalse()->end()
                         ->scalarNode('base_path')->defaultValue('')->end()
                         ->arrayNode('base_urls')
                             ->requiresAtLeastOneElement()
@@ -622,6 +623,7 @@ private function addAssetsSection(ArrayNodeDefinition $rootNode)
                                     ->end()
                                     ->scalarNode('version_format')->defaultNull()->end()
                                     ->scalarNode('json_manifest_path')->defaultNull()->end()
+                                    ->scalarNode('cache')->defaultFalse()->end()
                                     ->scalarNode('base_path')->defaultValue('')->end()
                                     ->arrayNode('base_urls')
                                         ->requiresAtLeastOneElement()

diff --git a/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php b/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php
@@ -996,6 +996,10 @@ private function registerAssetsConfiguration(array $config, ContainerBuilder $co
             $defaultVersion = $this->createVersion($container, $config['version'], $config['version_format'], $config['json_manifest_path'], '_default');
         }
 
+        if ($config['cache']) {
+            $defaultVersion = $this->decorateVersionStrategyWithCache($container, $defaultVersion);
+        }
+
         $defaultPackage = $this->createPackageDefinition($config['base_path'], $config['base_urls'], $defaultVersion);
         $container->setDefinition('assets._default_package', $defaultPackage);
 
@@ -1011,6 +1015,9 @@ private function registerAssetsConfiguration(array $config, ContainerBuilder $co
                 $format = $package['version_format'] ?: $config['version_format'];
                 $version = isset($package['version']) ? $package['version'] : null;
                 $version = $this->createVersion($container, $version, $format, $package['json_manifest_path'], $name);
+                if ($package['cache']) {
+                    $version = $this->decorateVersionStrategyWithCache($container, $version);
+                }
             }
 
             $container->setDefinition('assets._package_'.$name, $this->createPackageDefinition($package['base_path'], $package['base_urls'], $version));
@@ -1073,6 +1080,16 @@ private function createVersion(ContainerBuilder $container, ?string $version, ?s
         return new Reference('assets.empty_version_strategy');
     }
 
+    private function decorateVersionStrategyWithCache(ContainerBuilder $container, Reference $reference): Reference
+    {
+        $cachedReference = new Reference($reference.'.cached');
+        $cached = new ChildDefinition('assets.cached_version_strategy');
+        $cached->replaceArgument(0, $reference);
+        $container->setDefinition($cachedReference, $cached);
+
+        return $cachedReference;
+    }
+
     private function registerTranslatorConfiguration(array $config, ContainerBuilder $container, LoaderInterface $loader, string $defaultLocale)
     {
         if (!$this->isConfigEnabled($container, $config)) {

diff --git a/src/Symfony/Bundle/FrameworkBundle/Resources/config/assets.xml b/src/Symfony/Bundle/FrameworkBundle/Resources/config/assets.xml
@@ -55,5 +55,10 @@
             <argument /> <!-- manifest url -->
             <argument type="service" id="http_client" />
         </service>
+
+        <service id="assets.cached_version_strategy" class="Symfony\Component\Asset\VersionStrategy\CachedVersionStrategy" abstract="true">
+            <argument /> <!-- decorated version strategy -->
+            <argument type="service" id="cache.assets" />
+        </service>
     </services>
 </container>
diff --git a/src/Symfony/Bundle/FrameworkBundle/Resources/config/cache.xml b/src/Symfony/Bundle/FrameworkBundle/Resources/config/cache.xml
@@ -15,6 +15,10 @@
             <argument type="service" id="cache.app" />
         </service>
 
+        <service id="cache.assets" parent="cache.system" public="false">
+            <tag name="cache.pool" />
+        </service>
+
         <service id="cache.system" parent="cache.adapter.system" public="true">
             <tag name="cache.pool" />
         </service>

diff --git a/src/Symfony/Bundle/FrameworkBundle/Resources/config/schema/symfony-1.0.xsd b/src/Symfony/Bundle/FrameworkBundle/Resources/config/schema/symfony-1.0.xsd
@@ -144,6 +144,7 @@
         <xsd:attribute name="version" type="xsd:string" />
         <xsd:attribute name="version-format" type="xsd:string" />
         <xsd:attribute name="json-manifest-path" type="xsd:string" />
+        <xsd:attribute name="cache" type="xsd:string" />
     </xsd:complexType>
 
     <xsd:complexType name="package">
@@ -157,6 +158,7 @@
         <xsd:attribute name="version" type="xsd:string" />
         <xsd:attribute name="version-format" type="xsd:string" />
         <xsd:attribute name="json-manifest-path" type="xsd:string" />
+        <xsd:attribute name="cache" type="xsd:string" />
     </xsd:complexType>
 
     <xsd:complexType name="form-resources">

diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/ConfigurationTest.php b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/ConfigurationTest.php
@@ -86,6 +86,7 @@ public function testAssetsCanBeEnabled()
             'base_urls' => [],
             'packages' => [],
             'json_manifest_path' => null,
+            'cache' => false,
         ];
 
         $this->assertEquals($defaultConfig, $config['assets']);
@@ -439,6 +440,7 @@ protected static function getBundleDefaultConfig()
                 'base_urls' => [],
                 'packages' => [],
                 'json_manifest_path' => null,
+                'cache' => false,
             ],
             'cache' => [
                 'pools' => [],

diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/php/assets.php b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/php/assets.php
@@ -30,6 +30,10 @@
             'remote_manifest' => [
                 'json_manifest_path' => 'https://cdn.example.com/manifest.json',
             ],
+            'cached' => [
+                'json_manifest_path' => 'https://cdn.example.com/manifest.json',
+                'cache' => true,
+            ],
         ],
     ],
 ]);
diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/xml/assets.xml b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/xml/assets.xml
@@ -23,6 +23,7 @@
             </framework:package>
             <framework:package name="json_manifest_strategy" json-manifest-path="/path/to/manifest.json" />
             <framework:package name="remote_manifest" json-manifest-path="https://cdn.example.com/manifest.json" />
+            <framework:package name="cached" json-manifest-path="https://cdn.example.com/manifest.json" cache="true" />
         </framework:assets>
     </framework:config>
 </container>
diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/yml/assets.yml b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/yml/assets.yml
@@ -21,3 +21,6 @@ framework:
                 json_manifest_path: '/path/to/manifest.json'
             remote_manifest:
                 json_manifest_path: 'https://cdn.example.com/manifest.json'
+            cached:
+                json_manifest_path: 'https://cdn.example.com/manifest.json'
+                cache: true
diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/FrameworkExtensionTest.php b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/FrameworkExtensionTest.php
@@ -535,7 +535,7 @@ public function testAssets()
 
         // packages
         $packages = $packages->getArgument(1);
-        $this->assertCount(7, $packages);
+        $this->assertCount(8, $packages);
 
         $package = $container->getDefinition((string) $packages['images_path']);
         $this->assertPathPackage($container, $package, '/foo', 'SomeVersionScheme', '%%s?version=%%s');
@@ -561,6 +561,10 @@ public function testAssets()
         $versionStrategy = $container->getDefinition($package->getArgument(1));
         $this->assertSame('assets.remote_json_manifest_version_strategy', $versionStrategy->getParent());
         $this->assertSame('https://cdn.example.com/manifest.json', $versionStrategy->getArgument(0));
+
+        $package = $container->getDefinition($packages['cached']);
+        $versionStrategy = $container->getDefinition($package->getArgument(1));
+        $this->assertSame('assets.cached_version_strategy', $versionStrategy->getParent());
     }
 
     public function testAssetsDefaultVersionStrategyAsService()

diff --git a/src/Symfony/Component/Asset/Tests/VersionStrategy/CachedVersionStrategyTest.php b/src/Symfony/Component/Asset/Tests/VersionStrategy/CachedVersionStrategyTest.php
@@ -0,0 +1,54 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Asset\Tests\VersionStrategy;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Asset\VersionStrategy\CachedVersionStrategy;
+use Symfony\Component\Asset\VersionStrategy\VersionStrategyInterface;
+use Symfony\Component\Cache\Adapter\ArrayAdapter;
+
+class CachedVersionStrategyTest extends TestCase
+{
+    public function testGetVersion()
+    {
+        $value = '1.0.0';
+        $strategy = $this->getMockBuilder(VersionStrategyInterface::class)->getMock();
+        $strategy
+            ->expects($this->once())
+            ->method('getVersion')
+            ->willReturn($value);
+
+        $cache = new ArrayAdapter();
+        $cachedVersionStrategy = new CachedVersionStrategy($strategy, $cache);
+        $path = 'test-path';
+
+        $this->assertSame($value, $cachedVersionStrategy->getVersion($path));
+        $this->assertSame($value, $cachedVersionStrategy->getVersion($path), '2nd call is cached');
+    }
+
+    public function testApplyVersion()
+    {
+        $value = 'test/path/1.0.0';
+        $strategy = $this->getMockBuilder(VersionStrategyInterface::class)->getMock();
+        $strategy
+            ->expects($this->once())
+            ->method('applyVersion')
+            ->willReturn($value);
+
+        $cache = new ArrayAdapter();
+        $cachedVersionStrategy = new CachedVersionStrategy($strategy, $cache);
+        $path = 'test/path';
+
+        $this->assertSame($value, $cachedVersionStrategy->applyVersion($path));
+        $this->assertSame($value, $cachedVersionStrategy->applyVersion($path), '2nd call is cached');
+    }
+}
diff --git a/src/Symfony/Component/Asset/VersionStrategy/CachedVersionStrategy.php b/src/Symfony/Component/Asset/VersionStrategy/CachedVersionStrategy.php
@@ -0,0 +1,52 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Asset\VersionStrategy;
+
+use Symfony\Contracts\Cache\CacheInterface;
+
+/**
+ * Cache generated versions and path of any version strategy.
+ *
+ * @author Jérôme TAMARELLE <jerome@tamarelle.net>
+ */
+class CachedVersionStrategy implements VersionStrategyInterface
+{
+    private $strategy;
+
+    private $cache;
+
+    public function __construct(VersionStrategyInterface $strategy, CacheInterface $cache)
+    {
+        $this->strategy = $strategy;
+        $this->cache = $cache;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getVersion(string $path)
+    {
+        return $this->cache->get('v_'.rawurlencode($path), function () use ($path) {
+            return $this->strategy->getVersion($path);
+        });
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function applyVersion(string $path)
+    {
+        return $this->cache->get('p_'.rawurlencode($path), function () use ($path) {
+            return $this->strategy->applyVersion($path);
+        });
+    }
+}
diff --git a/src/Symfony/Component/Asset/composer.json b/src/Symfony/Component/Asset/composer.json
@@ -24,7 +24,8 @@
     "require-dev": {
         "symfony/http-client": "^4.4|^5.0",
         "symfony/http-foundation": "^4.4|^5.0",
-        "symfony/http-kernel": "^4.4|^5.0"
+        "symfony/http-kernel": "^4.4|^5.0",
+        "symfony/cache": "^4.4|^5.0"
     },
     "autoload": {
         "psr-4": { "Symfony\\Component\\Asset\\": "" },