Migrate RainLoop Webmail to use Facebook Graph API instead of FQL

rainloop/v/0.0.0/app/libraries/GuzzleHttp/Adapter/FakeParallelAdapter.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace GuzzleHttp\Adapter;
+
+use GuzzleHttp\Exception\RequestException;
+
+/**
+ * Decorates a regular AdapterInterface object and creates a
+ * ParallelAdapterInterface object that sends multiple HTTP requests serially.
+ */
+class FakeParallelAdapter implements ParallelAdapterInterface
+{
+    /** @var AdapterInterface */
+    private $adapter;
+
+    /**
+     * @param AdapterInterface $adapter Adapter used to send requests
+     */
+    public function __construct(AdapterInterface $adapter)
+    {
+        $this->adapter = $adapter;
+    }
+
+    public function sendAll(\Iterator $transactions, $parallel)
+    {
+        foreach ($transactions as $transaction) {
+            try {
+                $this->adapter->send($transaction);
+            } catch (RequestException $e) {
+                // no op for batch transaction
+            }
+        }
+    }
+}