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msd2/tracking/piwik/plugins/API/Renderer/Original.php

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+<?php
+/**
+ * Piwik - free/libre analytics platform
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ *
+ */
+namespace Piwik\Plugins\API\Renderer;
+
+use Piwik\API\ApiRenderer;
+use Piwik\Common;
+use Piwik\DataTable;
+use Piwik\DataTable\DataTableInterface;
+
+class Original extends ApiRenderer
+{
+    public function renderSuccess($message)
+    {
+        return true;
+    }
+
+    /**
+     * @param $message
+     * @param \Exception|\Throwable $exception
+     * @throws \Exception|\Throwable
+     * @return string
+     */
+    public function renderException($message, $exception)
+    {
+        if ($this->shouldSerialize()) {
+            return serialize([
+                'result' => 'error',
+                'message' => $message,
+            ]);
+        }
+
+        throw $exception;
+    }
+
+    public function renderDataTable($dataTable)
+    {
+        return $this->serializeIfNeeded($dataTable);
+    }
+
+    public function renderArray($array)
+    {
+        return $this->serializeIfNeeded($array);
+    }
+
+    public function renderScalar($scalar)
+    {
+        return $this->serializeIfNeeded($scalar);
+    }
+
+    public function renderObject($object)
+    {
+        return $this->serializeIfNeeded($object);
+    }
+
+    public function renderResource($resource)
+    {
+        return $resource;
+    }
+
+    public function sendHeader()
+    {
+        if ($this->shouldSerialize()) {
+            Common::sendHeader('Content-Type: text/plain; charset=utf-8');
+        }
+    }
+
+    /**
+     * Returns true if the user requested to serialize the output data (&serialize=1 in the request)
+     *
+     * @return bool
+     */
+    private function shouldSerialize()
+    {
+        $serialize = Common::getRequestVar('serialize', 0, 'int', $this->request);
+
+        return !empty($serialize);
+    }
+
+    private function serializeIfNeeded($response)
+    {
+        if ($this->shouldSerialize()) {
+            if ($response instanceof DataTableInterface) {
+                // remove COLUMN_AGGREGATION_OPS_METADATA_NAME metadata since it can have closures
+                $response->filter(function (DataTable $table) {
+                    $allMetadata = $table->getAllTableMetadata();
+                    unset($allMetadata[DataTable::COLUMN_AGGREGATION_OPS_METADATA_NAME]);
+                    $table->setAllTableMetadata($allMetadata);
+                });
+            }
+
+            return serialize($response);
+        }
+        return $response;
+    }
+}