Added payloadaliasregistry

Author: dantleech

ResourceRest/PayloadAliasRegistry.php

@@ -0,0 +1,90 @@
+<?php
+
+/*
+ * This file is part of the Symfony CMF package.
+ *
+ * (c) 2011-2014 Symfony CMF
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Cmf\Bundle\ResourceRestBundle\ResourceRest;
+
+use Symfony\Cmf\Component\Resource\RepositoryFactoryInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Cmf\Component\Resource\RepositoryRegistryInterface;
+use Puli\Repository\Api\Resource\Resource;
+use Puli\Repository\Api\ResourceRepository;
+
+/**
+ * Registry for resource payload aliases
+ *
+ * @author Daniel Leech <[email protected]>
+ */
+class PayloadAliasRegistry
+{
+    /**
+     * @var array
+     */
+    private $aliasesByRepository;
+
+    /**
+     * @var RepositoryRegistryInterface
+     */
+    private $repositoryRegistry;
+
+    /**
+     * @param RepositoryRegistryInterface $repositoryRegistry
+     * @param array $aliases
+     */
+    public function __construct(
+        RepositoryRegistryInterface $repositoryRegistry,
+        array $aliases = array()
+    )
+    {
+        $this->repositoryRegistry = $repositoryRegistry;
+
+        foreach ($aliases as $alias => $config) {
+            if (!isset($this->aliasesByRepository[$config['repository']])) {
+                $this->aliasesByRepository[$config['repository']] = array();
+            }
+
+            $this->aliasesByRepository[$config['repository']][$config['type']] = $alias;
+        }
+    }
+
+    /**
+     * Return the alias for the given PHPCR resource
+     *
+     * @param Resource $resource
+     *
+     * @return string
+     */
+    public function getPayloadAlias(Resource $resource)
+    {
+        $repositoryType = $this->repositoryRegistry->getRepositoryType(
+            $resource->getRepository()
+        );
+
+        $type = $resource->getPayloadType();
+
+        if (null === $type) {
+            return null;
+        }
+
+        if (!isset($this->aliasesByRepository[$repositoryType])) {
+            throw new \RuntimeException(sprintf(
+                'No repositories registered with alias "%s". I know about "%s"',
+                $repositoryType,
+                implode('", "', array_keys($this->aliasesByRepository))
+            ));
+        }
+
+        if (!isset($this->aliasesByRepository[$repositoryType][$type])) {
+            return $type;
+        }
+
+        return $this->aliasesByRepository[$repositoryType][$type];
+    }
+}