added asset bundle class with APP_ASSET_FORCE_PUBLISH option

src/AssetBundle.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace dmstr\web;
+
+/**
+ * @link http://www.diemeisterei.de/
+ * @copyright Copyright (c) 2016 diemeisterei GmbH, Stuttgart
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+use yii\helpers\FileHelper;
+use yii\web\AssetBundle as BaseAssetBundle;
+
+/**
+ * Configuration for `backend` client script files.
+ *
+ * @since 4.0
+ */
+class AssetBundle extends BaseAssetBundle
+{
+    /**
+     * Initializes asset bundle with optional CSS/LESS development settings
+     *
+     * If `APP_ASSET_FORCE_PUBLISH` is set, touch the asset folder with the highest mtime
+     * of all contained files.
+     * This will create a new folder in web/assets for every change and request made to the app assets.
+     */
+    public function init()
+    {
+        parent::init();
+
+        if (getenv('APP_ASSET_FORCE_PUBLISH')) {
+            $path = \Yii::getAlias($this->sourcePath);
+            $files = FileHelper::findFiles($path);
+            $mtimes = [];
+            foreach ($files as $file) {
+                $mtimes[] = filemtime($file);
+            }
+            touch($path, max($mtimes));
+        }
+    }
+}