First commit

vendor/league/flysystem-cached-adapter/src/Storage/Predis.php

@@ -0,0 +1,75 @@
+<?php
+
+namespace League\Flysystem\Cached\Storage;
+
+use Predis\Client;
+
+class Predis extends AbstractCache
+{
+    /**
+     * @var \Predis\Client Predis Client
+     */
+    protected $client;
+
+    /**
+     * @var string storage key
+     */
+    protected $key;
+
+    /**
+     * @var int|null seconds until cache expiration
+     */
+    protected $expire;
+
+    /**
+     * Constructor.
+     *
+     * @param \Predis\Client $client predis client
+     * @param string         $key    storage key
+     * @param int|null       $expire seconds until cache expiration
+     */
+    public function __construct(Client $client = null, $key = 'flysystem', $expire = null)
+    {
+        $this->client = $client ?: new Client();
+        $this->key = $key;
+        $this->expire = $expire;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function load()
+    {
+        if (($contents = $this->executeCommand('get', [$this->key])) !== null) {
+            $this->setFromStorage($contents);
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function save()
+    {
+        $contents = $this->getForStorage();
+        $this->executeCommand('set', [$this->key, $contents]);
+
+        if ($this->expire !== null) {
+            $this->executeCommand('expire', [$this->key, $this->expire]);
+        }
+    }
+
+    /**
+     * Execute a Predis command.
+     *
+     * @param string $name
+     * @param array  $arguments
+     *
+     * @return string
+     */
+    protected function executeCommand($name, array $arguments)
+    {
+        $command = $this->client->createCommand($name, $arguments);
+
+        return $this->client->executeCommand($command);
+    }
+}