Add rapsys tree bundle configuration

[treebundle] / DependencyInjection / RapsysTreeExtension.php

diff --git a/DependencyInjection/RapsysTreeExtension.php b/DependencyInjection/RapsysTreeExtension.php
new file mode 100644 (file)
index 0000000..09fcb90
--- /dev/null
+++ b/DependencyInjection/RapsysTreeExtension.php
@@ -0,0 +1,112 @@
+<?php declare(strict_types=1);
+
+/*
+ * This file is part of the Rapsys TreeBundle package.
+ *
+ * (c) Raphaël Gertz <symfony@rapsys.eu>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Rapsys\TreeBundle\DependencyInjection;
+
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Extension\Extension;
+use Symfony\Component\DependencyInjection\Extension\PrependExtensionInterface;
+use Symfony\Component\Translation\Loader\ArrayLoader;
+
+use Rapsys\TreeBundle\RapsysTreeBundle;
+
+/**
+ * This is the class that loads and manages your bundle configuration.
+ *
+ * @link http://symfony.com/doc/current/cookbook/bundles/extension.html
+ */
+class RapsysTreeExtension extends Extension implements PrependExtensionInterface {
+       /**
+        * {@inheritdoc}
+        *
+        * Prepend the configuration
+        *
+        * Preload the configuration to allow sourcing as parameters
+        */
+       public function prepend(ContainerBuilder $container): void {
+               //Process the configuration
+               $configs = $container->getExtensionConfig($alias = RapsysTreeBundle::getAlias());
+
+               //Load configuration
+               $configuration = $this->getConfiguration($configs, $container);
+
+               //Process the configuration to get merged config
+               $config = $this->processConfiguration($configuration, $configs);
+
+               //Detect when no user configuration is provided
+               if ($configs === [[]]) {
+                       //Prepend default config
+                       $container->prependExtensionConfig($alias, $config);
+               }
+
+               //Save configuration in parameters
+               $container->setParameter($alias, $config);
+
+               //Store flattened array in parameters
+               //XXX: don't flatten rapsystree.site.png key which is required to be an array
+               foreach($this->flatten($config, $alias, 10, '.', ['rapsystree.copy', 'rapsystree.icon', 'rapsystree.icon.png', 'rapsystree.logo', 'rapsystree.facebook.apps', 'rapsystree.locales', 'rapsystree.languages']) as $k => $v) {
+                       $container->setParameter($k, $v);
+               }
+
+               //Set rapsystree.alias key
+               $container->setParameter($alias.'.alias', $alias);
+
+               //Set rapsystree.version key
+               $container->setParameter($alias.'.version', RapsysTreeBundle::getVersion());
+       }
+
+       /**
+        * {@inheritdoc}
+        */
+       public function load(array $configs, ContainerBuilder $container): void {
+       }
+
+       /**
+        * The function that parses the array to flatten it into a one level depth array
+        *
+        * @param $array        The config values array
+        * @param $path         The current key path
+        * @param $depth        The maxmium depth
+        * @param $sep          The separator string
+        * @param $skip         The skipped paths array
+        */
+       protected function flatten($array, $path = '', $depth = 10, $sep = '.', $skip = []) {
+               //Init res
+               $res = array();
+
+               //Detect numerical only array
+               //count(array_filter($array, function($k) { return !is_numeric($k); }, ARRAY_FILTER_USE_KEY)) == 0
+               //array_reduce(array_keys($array), function($c, $k) { return $c += !is_numeric($k); }, 0)
+
+               //Flatten hashed array until depth reach zero
+               if ($depth && is_array($array) && $array !== [] && !in_array($path, $skip)) {
+                       foreach($array as $k => $v) {
+                               $sub = $path ? $path.$sep.$k:$k;
+                               $res += $this->flatten($v, $sub, $depth - 1, $sep, $skip);
+                       }
+               //Pass scalar value directly
+               } else {
+                       $res[$path] = $array;
+               }
+
+               //Return result
+               return $res;
+       }
+
+       /**
+        * {@inheritdoc}
+        *
+        * @xxx Required by kernel to load renamed alias configuration
+        */
+       public function getAlias(): string {
+               return RapsysTreeBundle::getAlias();
+       }
+}