Merge pull request #14 from ray-di/ps6-local-cache

Create Psr6LocalCacheModule

src/LocalCacheProvider.php

@@ -0,0 +1,41 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Ray\PsrCacheModule;
+
+use Ray\Di\ProviderInterface;
+use Ray\PsrCacheModule\Annotation\CacheDir;
+use Ray\PsrCacheModule\Annotation\CacheNamespace;
+use Symfony\Component\Cache\Adapter\AbstractAdapter;
+
+use function sys_get_temp_dir;
+
+/**
+ * Provide APCu cache adapter if available, otherwise file cache adapter
+ *
+ * @implements ProviderInterface<ApcuAdapter|FilesystemAdapter>
+ */
+final class LocalCacheProvider implements ProviderInterface
+{
+    /** @var string  */
+    private $cacheDir;
+
+    /** @var string  */
+    private $namespace;
+
+    #[CacheDir('cacheDir')]
+    #[CacheNamespace('namespace')]
+    public function __construct(string $cacheDir = '', string $namespace = '')
+    {
+        $this->cacheDir = $cacheDir ?: sys_get_temp_dir();
+        $this->namespace = $namespace;
+    }
+
+    public function get(): AbstractAdapter
+    {
+        return ApcuAdapter::isSupported() ?
+            new ApcuAdapter($this->namespace) :
+            new FilesystemAdapter($this->namespace, 0, $this->cacheDir);
+    }
+}

src/Psr6LocalCacheModule.php

@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Ray\PsrCacheModule;
+
+use Psr\Cache\CacheItemPoolInterface;
+use Ray\Di\AbstractModule;
+use Ray\Di\Scope;
+use Ray\PsrCacheModule\Annotation\Local;
+use Ray\PsrCacheModule\Annotation\Shared;
+
+final class Psr6LocalCacheModule extends AbstractModule
+{
+    protected function configure(): void
+    {
+        $this->bind(CacheItemPoolInterface::class)->annotatedWith(Local::class)->toProvider(LocalCacheProvider::class)->in(Scope::SINGLETON);
+        $this->bind(CacheItemPoolInterface::class)->annotatedWith(Shared::class)->toProvider(LocalCacheProvider::class)->in(Scope::SINGLETON);
+    }
+}

tests/Psr6CacheTest.php

@@ -29,7 +29,14 @@ public function testArrayCacheModule(): void
     public function testCacheDirModule(): void
     {
         $module = new CacheDirModule('/tmp');
-        $cacheDir = (new Injector($module))->getInstance('', CacheDir::class); // @phpstan-ignore-line
+        $cacheDir = (new Injector($module))->getInstance('', CacheDir::class);
         $this->assertSame('/tmp', $cacheDir);
     }
+
+    public function testPsr6LocalCacheModule(): void
+    {
+        $module = new Psr6LocalCacheModule();
+        $cache = (new Injector($module))->getInstance(CacheItemPoolInterface::class, Shared::class);
+        $this->assertTrue($cache instanceof ApcuAdapter || $cache instanceof FilesystemAdapter);
+    }
 }