1 files changed, 68 insertions, 0 deletions
diff --git a/lib/Controller/EntityApiSerializer.php b/lib/Controller/EntityApiSerializer.php
new file mode 100644
index 000000000..073ad5c39
--- /dev/null
+++ b/lib/Controller/EntityApiSerializer.php
@@ -0,0 +1,68 @@
+<?php
+/**
+ * ownCloud - News
+ *
+ * This file is licensed under the Affero General Public License version 3 or
+ * later. See the COPYING file.
+ *
+ * @author Bernhard Posselt <dev@bernhard-posselt.com>
+ * @copyright Bernhard Posselt 2014
+ */
+
+namespace OCA\News\Controller;
+
+use \OCA\News\Db\IAPI;
+
+
+class EntityApiSerializer {
+
+    private $level;
+
+    public function __construct($level) {
+        $this->level = $level;
+    }
+
+
+    /**
+     * Call toAPI() method on all entities. Works on
+     *
+     * @param mixed $data :
+     * * Entity
+     * * Entity[]
+     * * array('level' => Entity[])
+     * * Response
+     * @return array|mixed
+     */
+    public function serialize($data) {
+
+        if($data instanceof IAPI) {
+            return [$this->level => [$data->toAPI()]];
+        }
+
+        if(is_array($data) && array_key_exists($this->level, $data)) {
+            $data[$this->level] = $this->convert($data[$this->level]);
+        } elseif(is_array($data)) {
+            $data = [$this->level => $this->convert($data)];
+        }
+
+        return $data;
+    }
+
+
+    private function convert($entities) {
+        $converted = [];
+
+        foreach($entities as $entity) {
+            if($entity instanceof IAPI) {
+                $converted[] = $entity->toAPI();
+
+            // break if it contains anything else than entities
+            } else {
+                return $entities;
+            }
+        }
+
+        return $converted;
+    }
+
+}
+\ No newline at end of file