add

vendor/league/flysystem-cached-adapter/src/CachedAdapter.php

@@ -0,0 +1,346 @@
+<?php
+
+namespace League\Flysystem\Cached;
+
+use League\Flysystem\AdapterInterface;
+use League\Flysystem\Config;
+
+class CachedAdapter implements AdapterInterface
+{
+    /**
+     * @var AdapterInterface
+     */
+    private $adapter;
+
+    /**
+     * @var CacheInterface
+     */
+    private $cache;
+
+    /**
+     * Constructor.
+     *
+     * @param AdapterInterface $adapter
+     * @param CacheInterface   $cache
+     */
+    public function __construct(AdapterInterface $adapter, CacheInterface $cache)
+    {
+        $this->adapter = $adapter;
+        $this->cache = $cache;
+        $this->cache->load();
+    }
+
+    /**
+     * Get the underlying Adapter implementation.
+     *
+     * @return AdapterInterface
+     */
+    public function getAdapter()
+    {
+        return $this->adapter;
+    }
+
+    /**
+     * Get the used Cache implementation.
+     *
+     * @return CacheInterface
+     */
+    public function getCache()
+    {
+        return $this->cache;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function write($path, $contents, Config $config)
+    {
+        $result = $this->adapter->write($path, $contents, $config);
+
+        if ($result !== false) {
+            $result['type'] = 'file';
+            $this->cache->updateObject($path, $result + compact('path', 'contents'), true);
+        }
+
+        return $result;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function writeStream($path, $resource, Config $config)
+    {
+        $result = $this->adapter->writeStream($path, $resource, $config);
+
+        if ($result !== false) {
+            $result['type'] = 'file';
+            $contents = false;
+            $this->cache->updateObject($path, $result + compact('path', 'contents'), true);
+        }
+
+        return $result;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function update($path, $contents, Config $config)
+    {
+        $result = $this->adapter->update($path, $contents, $config);
+
+        if ($result !== false) {
+            $result['type'] = 'file';
+            $this->cache->updateObject($path, $result + compact('path', 'contents'), true);
+        }
+
+        return $result;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function updateStream($path, $resource, Config $config)
+    {
+        $result = $this->adapter->updateStream($path, $resource, $config);
+
+        if ($result !== false) {
+            $result['type'] = 'file';
+            $contents = false;
+            $this->cache->updateObject($path, $result + compact('path', 'contents'), true);
+        }
+
+        return $result;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function rename($path, $newPath)
+    {
+        $result = $this->adapter->rename($path, $newPath);
+
+        if ($result !== false) {
+            $this->cache->rename($path, $newPath);
+        }
+
+        return $result;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function copy($path, $newpath)
+    {
+        $result = $this->adapter->copy($path, $newpath);
+
+        if ($result !== false) {
+            $this->cache->copy($path, $newpath);
+        }
+
+        return $result;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function delete($path)
+    {
+        $result = $this->adapter->delete($path);
+
+        if ($result !== false) {
+            $this->cache->delete($path);
+        }
+
+        return $result;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function deleteDir($dirname)
+    {
+        $result = $this->adapter->deleteDir($dirname);
+
+        if ($result !== false) {
+            $this->cache->deleteDir($dirname);
+        }
+
+        return $result;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function createDir($dirname, Config $config)
+    {
+        $result = $this->adapter->createDir($dirname, $config);
+
+        if ($result !== false) {
+            $type = 'dir';
+            $path = $dirname;
+            $this->cache->updateObject($dirname, compact('path', 'type'), true);
+        }
+
+        return $result;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setVisibility($path, $visibility)
+    {
+        $result = $this->adapter->setVisibility($path, $visibility);
+
+        if ($result !== false) {
+            $this->cache->updateObject($path, compact('path', 'visibility'), true);
+        }
+
+        return $result;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function has($path)
+    {
+        $cacheHas = $this->cache->has($path);
+
+        if ($cacheHas !== null) {
+            return $cacheHas;
+        }
+
+        $adapterResponse = $this->adapter->has($path);
+
+        if (! $adapterResponse) {
+            $this->cache->storeMiss($path);
+        } else {
+            $cacheEntry = is_array($adapterResponse) ? $adapterResponse : compact('path');
+            $this->cache->updateObject($path, $cacheEntry, true);
+        }
+
+        return $adapterResponse;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function read($path)
+    {
+        return $this->callWithFallback('contents', $path, 'read');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function readStream($path)
+    {
+        return $this->adapter->readStream($path);
+    }
+
+    /**
+     * Get the path prefix.
+     *
+     * @return string|null path prefix or null if pathPrefix is empty
+     */
+    public function getPathPrefix()
+    {
+        return $this->adapter->getPathPrefix();
+    }
+
+    /**
+     * Prefix a path.
+     *
+     * @param string $path
+     *
+     * @return string prefixed path
+     */
+    public function applyPathPrefix($path)
+    {
+        return $this->adapter->applyPathPrefix($path);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function listContents($directory = '', $recursive = false)
+    {
+        if ($this->cache->isComplete($directory, $recursive)) {
+            return $this->cache->listContents($directory, $recursive);
+        }
+
+        $result = $this->adapter->listContents($directory, $recursive);
+
+        if ($result !== false) {
+            $this->cache->storeContents($directory, $result, $recursive);
+        }
+
+        return $result;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getMetadata($path)
+    {
+        return $this->callWithFallback(null, $path, 'getMetadata');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getSize($path)
+    {
+        return $this->callWithFallback('size', $path, 'getSize');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getMimetype($path)
+    {
+        return $this->callWithFallback('mimetype', $path, 'getMimetype');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getTimestamp($path)
+    {
+        return $this->callWithFallback('timestamp', $path, 'getTimestamp');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getVisibility($path)
+    {
+        return $this->callWithFallback('visibility', $path, 'getVisibility');
+    }
+
+    /**
+     * Call a method and cache the response.
+     *
+     * @param string $property
+     * @param string $path
+     * @param string $method
+     *
+     * @return mixed
+     */
+    protected function callWithFallback($property, $path, $method)
+    {
+        $result = $this->cache->{$method}($path);
+
+        if ($result !== false && ($property === null || array_key_exists($property, $result))) {
+            return $result;
+        }
+
+        $result = $this->adapter->{$method}($path);
+
+        if ($result) {
+            $object = $result + compact('path');
+            $this->cache->updateObject($path, $object, true);
+        }
+
+        return $result;
+    }
+}