Add all of the potential transformers that might be needed for now.

app/Transformers/Admin/ServerVariableTransformer.php

@@ -0,0 +1,58 @@
+<?php
+/**
+ * Pterodactyl - Panel
+ * Copyright (c) 2015 - 2017 Dane Everitt <dane@daneeveritt.com>.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+namespace Pterodactyl\Transformers\Admin;
+
+use Pterodactyl\Models\ServerVariable;
+use League\Fractal\TransformerAbstract;
+
+class ServerVariableTransformer extends TransformerAbstract
+{
+    /**
+     * List of resources that can be included.
+     *
+     * @var array
+     */
+    protected $availableIncludes = ['parent'];
+
+    /**
+     * Return a generic transformed server variable array.
+     *
+     * @return array
+     */
+    public function transform(ServerVariable $variable)
+    {
+        return $variable->toArray();
+    }
+
+    /**
+     * Return the parent service variable data.
+     *
+     * @return \Leauge\Fractal\Resource\Item
+     */
+    public function includeParent(ServerVariable $variable)
+    {
+        return $this->item($variable->variable, new ServiceVariableTransformer, 'variable');
+    }
+}