check config of available language

check that the configuration is consistent with fallback locale : the fallback locale must be comprised in chill_main.available_languages.

+tests

refs #332

DependencyInjection/ConfigConsistencyCompilerPass.php

@@ -0,0 +1,61 @@
+<?php
+
+/*
+ * Chill is a software for social workers
+ * Copyright (C) 2015 Julien Fastré <julien.fastre@champs-libres.coop>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace Chill\MainBundle\DependencyInjection;
+
+use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+
+/**
+ * Description of ConfigConsistencyCompilerPass
+ *
+ * @author Julien Fastré <julien.fastre@champs-libres.coop>
+ */
+class ConfigConsistencyCompilerPass implements CompilerPassInterface
+{
+    public function process(ContainerBuilder $container)
+    {
+        $availableLanguages = $container
+              ->getParameter('chill_main.available_languages');
+        $methodCallsTranslator = $container
+              ->findDefinition('translator.default')
+              ->getMethodCalls();
+        
+        $fallbackLocales = array();
+        foreach($methodCallsTranslator as $call) {
+            if ($call[0] === 'setFallbackLocales') {
+                $fallbackLocales = array_merge($fallbackLocales,
+                      $call[1][0]);
+            }    
+        }
+        
+        if (count($fallbackLocales) === 0) {
+            throw new \LogicException('the fallback locale are not defined. '
+                  . 'The framework config should not allow this.');
+        }
+        
+        $diff = array_diff($fallbackLocales, $availableLanguages);
+        if (count($diff) > 0) {
+            throw new \RuntimeException(sprintf('The chill_main.available_languages'
+                  . ' parameter does not contains fallback locales. The languages %s'
+                  . ' are missing.', implode(', ', $diff)));
+        }
+    }
+}