From b6a77e523ca5af97052ccecbfe4dd1f12c04bac2 Mon Sep 17 00:00:00 2001
From: Johannes Meyer <johannes.meyer@icinga.com>
Date: Mon, 4 Nov 2019 17:42:29 +0100
Subject: [PATCH] Automatically load css/js assets from ipl-libs

---
 AssetLoader.php | 52 +++++++++++++++++++++++++++++++++++++++++++++++++
 composer.json   |  8 ++++++++
 2 files changed, 60 insertions(+)
 create mode 100644 AssetLoader.php

diff --git a/AssetLoader.php b/AssetLoader.php
new file mode 100644
index 0000000..3b7fb33
--- /dev/null
+++ b/AssetLoader.php
@@ -0,0 +1,52 @@
+<?php
+
+class AssetLoader
+{
+    public static function update()
+    {
+        if (is_dir('asset')) {
+            // Check for removed files
+            $fs = new Composer\Util\Filesystem();
+            $assets = new RecursiveIteratorIterator(new RecursiveDirectoryIterator(
+                'asset',
+                FilesystemIterator::CURRENT_AS_FILEINFO | FilesystemIterator::SKIP_DOTS
+            ), RecursiveIteratorIterator::CHILD_FIRST);
+            foreach ($assets as $asset) {
+                /** @var SplFileInfo $asset */
+                if ($asset->isDir()) {
+                    if ($fs->isDirEmpty($asset->getPathname())) {
+                        rmdir($asset);
+                    }
+                } elseif (! $asset->isReadable()) {
+                    unlink($asset);
+                }
+            }
+        }
+
+        // Check for new files
+        $vendorLibs = new FilesystemIterator('vendor/ipl');
+        foreach ($vendorLibs as $vendorLib) {
+            /** @var SplFileInfo $vendorLib */
+            $assetDir = join(DIRECTORY_SEPARATOR, [$vendorLib->getRealPath(), 'asset']);
+            if (is_readable($assetDir) && is_dir($assetDir)) {
+                $libAssets = new RecursiveIteratorIterator(new RecursiveDirectoryIterator(
+                    $assetDir,
+                    FilesystemIterator::CURRENT_AS_FILEINFO | FilesystemIterator::SKIP_DOTS
+                ), RecursiveIteratorIterator::SELF_FIRST);
+                foreach ($libAssets as $asset) {
+                    /** @var SplFileInfo $asset */
+                    $relativePath = ltrim(substr($asset->getPathname(), strlen($vendorLib->getRealPath())), '/\\');
+                    if (file_exists($relativePath)) {
+                        continue;
+                    }
+
+                    if ($asset->isDir()) {
+                        mkdir($relativePath, 0755, true);
+                    } elseif ($asset->isFile()) {
+                        symlink($asset->getPathname(), $relativePath);
+                    }
+                }
+            }
+        }
+    }
+}
diff --git a/composer.json b/composer.json
index be5a835..10fdcee 100644
--- a/composer.json
+++ b/composer.json
@@ -24,5 +24,13 @@
         "ipl/web": "dev-master"
     },
     "require-dev": {
+    },
+    "autoload": {
+        "psr-0": { "AssetLoader": "" }
+    },
+    "scripts": {
+        "post-update-cmd": [
+            "AssetLoader::update"
+        ]
     }
 }