[11.14] GraphQL API

src/Api/AbstractApi.php

@@ -36,7 +36,7 @@ abstract class AbstractApi
      *
      * @var string
      */
-    private const URI_PREFIX = '/api/v4/';
+    protected const URI_PREFIX = '/api/v4/';
 
     /**
      * The access levels for groups and projects
@@ -264,7 +264,7 @@ private static function prepareUri(string $uri, array $query = []): string
             return null !== $value;
         });
 
-        return \sprintf('%s%s%s', self::URI_PREFIX, $uri, QueryStringBuilder::build($query));
+        return \sprintf('%s%s%s', static::URI_PREFIX, $uri, QueryStringBuilder::build($query));
     }
 
     /**

src/Api/GraphQL.php

@@ -0,0 +1,52 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the Gitlab API library.
+ *
+ * (c) Matt Humphrey <[email protected]>
+ * (c) Graham Campbell <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Gitlab\Api;
+
+class GraphQL extends AbstractApi
+{
+    /**
+     * {@inheritDoc}
+     */
+    protected const URI_PREFIX = '/api/';
+
+    /**
+     * @param string $query
+     * @param array  $variables
+     *
+     * @return array
+     */
+    public function execute(string $query, array $variables = [])
+    {
+        $params = [
+            'query' => $query,
+        ];
+        if (!empty($variables)) {
+            $params['variables'] = \json_encode($variables);
+        }
+
+        return $this->post('/graphql', $params);
+    }
+
+    /**
+     * @param string $file
+     * @param array  $variables
+     *
+     * @return array
+     */
+    public function fromFile(string $file, array $variables = [])
+    {
+        return $this->execute(\file_get_contents($file), $variables);
+    }
+}