Refactor pre/post composer script class.

composer.json

@@ -86,8 +86,14 @@
         "behat/mink-selenium2-driver": "*"
     },
     "scripts": {
+        "pre-update-cmd": [
+            "Chamilo\\CoreBundle\\Composer\\ScriptHandler::deleteOldFilesFrom19x"
+        ],
         "post-update-cmd": [
-            "Chamilo\\CoreBundle\\Component\\Theme\\DumpTheme::dumpCssFiles"
+            "Chamilo\\CoreBundle\\Composer\\ScriptHandler::dumpCssFiles"
+        ],
+        "pre-install-cmd": [
+            "Chamilo\\CoreBundle\\Composer\\ScriptHandler::deleteOldFilesFrom19x"
         ],
         "post-install-cmd": [
             "Chamilo\\CoreBundle\\Component\\Theme\\DumpTheme::dumpCssFiles"

src/Chamilo/CoreBundle/Component/Theme/DumpTheme.php

@@ -1,23 +0,0 @@
-<?php
-/* For licensing terms, see /license.txt */
-
-namespace Chamilo\CoreBundle\Component\Theme;
-
-use Symfony\Component\Filesystem\Filesystem;
-
-/**
- * Class DumpTheme
- */
-class DumpTheme
-{
-    /**
-     * Dump files
-     */
-    public static function dumpCssFiles()
-    {
-        $fs = new Filesystem();
-        $appCss = __DIR__.'/../../../../../app/Resources/public/css';
-        $newPath = __DIR__.'/../../../../../web/css';
-        $fs->mirror($appCss, $newPath);
-    }
-}

src/Chamilo/CoreBundle/Composer/ScriptHandler.php

@@ -0,0 +1,33 @@
+<?php
+/* For licensing terms, see /license.txt */
+
+namespace Chamilo\CoreBundle\Composer;
+
+use Symfony\Component\Filesystem\Filesystem;
+
+/**
+ * Class DumpTheme
+ */
+class ScriptHandler
+{
+    /**
+     * Dump files to the web/css folder
+     */
+    public static function dumpCssFiles()
+    {
+        $appCss = __DIR__.'/../../../../app/Resources/public/css';
+        $newPath = __DIR__.'/../../../../web/css';
+        $fs = new Filesystem();
+        $fs->mirror($appCss, $newPath);
+    }
+
+    /**
+     * Delete old symfony folder before update (generates conflicts with composer)
+     */
+    public static function deleteOldFilesFrom19x()
+    {
+        $path = __DIR__.'/../../../../main/inc/lib/symfony/';
+        $fs = new Filesystem();
+        $fs->remove($path);
+    }
+}