First step of converting legacy ExtraVar class to module

modules/extravar/controllers/Config.php

@@ -0,0 +1,64 @@
+<?php
+
+namespace Rhymix\Modules\Extravar\Controllers;
+
+use Context;
+use ModuleController;
+use ModuleModel;
+use Rhymix\Framework\Exceptions\TargetNotFound;
+use Rhymix\Framework\Storage;
+
+/**
+ * Controller for module configuration by administrator.
+ */
+class Config extends Base
+{
+	/**
+	 * Display the config page.
+	 */
+	public function dispExtravarAdminConfig()
+	{
+		// Get current module config.
+		$config = ModuleModel::getModuleConfig($this->module) ?: new \stdClass;
+		Context::set('config', $config);
+
+		// Get the list of installed skins.
+		$skins = ModuleModel::getSkins($this->module_path);
+		Context::set('skin_list', $skins);
+
+		// Set admin template path.
+		$this->setTemplatePath($this->module_path . 'views');
+		$this->setTemplateFile('config.blade.php');
+	}
+
+	/**
+	 * Save module config.
+	 */
+	public function procExtravarAdminInsertConfig()
+	{
+		// Get current module config.
+		$config = ModuleModel::getModuleConfig($this->module) ?: new \stdClass;
+
+		// Update the config object.
+		$vars = Context::getRequestVars();
+		$config->skin = trim($vars->skin ?? '');
+		if (!Storage::isDirectory(sprintf('%s/skins/%s/', rtrim($this->module_path, '/'), $config->skin)))
+		{
+			throw new TargetNotFound;
+		}
+
+		// Save the updated config.
+		$output = ModuleController::getInstance()->insertModuleConfig($this->module, $config);
+		if (!$output->toBool())
+		{
+			return $output;
+		}
+
+		// Redirect back to the config page.
+		$this->setMessage('success_updated');
+		$this->setRedirectUrl(Context::get('success_return_url') ?: getNotEncodedUrl([
+			'module' => 'admin',
+			'act' => 'dispExtravarAdminConfig',
+		]));
+	}
+}