Add events for serializing/unserializing config values

src/Admin/Actions/ClientAction.php

@@ -16,6 +16,7 @@ use Flarum\Core\Groups\Permission;
 use Flarum\Api\Client;
 use Flarum\Core\Settings\SettingsRepository;
 use Flarum\Locale\LocaleManager;
+use Flarum\Events\UnserializeConfig;
 
 class ClientAction extends BaseClientAction
 {
@@ -48,7 +49,11 @@ class ClientAction extends BaseClientAction
     {
         $view = parent::render($request, $routeParams);
 
-        $view->setVariable('config', $this->settings->all());
+        $config = $this->settings->all();
+
+        event(new UnserializeConfig($config));
+
+        $view->setVariable('config', $config);
         $view->setVariable('permissions', Permission::map());
         $view->setVariable('extensions', app('flarum.extensions')->getInfo());
 

src/Api/Actions/ConfigAction.php

@@ -14,6 +14,7 @@ use Flarum\Api\Request;
 use Flarum\Core\Settings\SettingsRepository;
 use Flarum\Core\Groups\Permission;
 use Flarum\Core\Exceptions\PermissionDeniedException;
+use Flarum\Events\SerializeConfig;
 use Zend\Diactoros\Response\EmptyResponse;
 use Exception;
 
@@ -49,6 +50,8 @@ class ConfigAction implements Action
         }
 
         foreach ($config as $k => $v) {
+            event($event = new SerializeConfig($k, $v));
+
             $this->settings->set($k, $v);
 
             if (strpos($k, 'theme_') === 0 || $k === 'custom_less') {

src/Events/SerializeConfig.php

@@ -0,0 +1,38 @@
+<?php
+/*
+ * This file is part of Flarum.
+ *
+ * (c) Toby Zerner <toby.zerner@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Flarum\Events;
+
+class SerializeConfig
+{
+    /**
+     * The config key being saved.
+     *
+     * @var string
+     */
+    public $key;
+
+    /**
+     * The config value to save.
+     *
+     * @var string
+     */
+    public $value;
+
+    /**
+     * @param string $key The config key being saved.
+     * @param string $value The config value to save.
+     */
+    public function __construct($key, &$value)
+    {
+        $this->key = $key;
+        $this->value = &$value;
+    }
+}

src/Events/UnserializeConfig.php

@@ -0,0 +1,29 @@
+<?php
+/*
+ * This file is part of Flarum.
+ *
+ * (c) Toby Zerner <toby.zerner@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Flarum\Events;
+
+class UnserializeConfig
+{
+    /**
+     * The config array.
+     *
+     * @var array
+     */
+    public $config;
+
+    /**
+     * @param array $config The config array.
+     */
+    public function __construct(&$config)
+    {
+        $this->config = &$config;
+    }
+}