5 files changed, 66 insertions, 1 deletions

diff --git a/application/ApplicationUtils.php b/application/ApplicationUtils.php
index 7f963e97..a0f482b0 100644
--- a/application/ApplicationUtils.php
+++ b/application/ApplicationUtils.php
@@ -150,6 +150,7 @@ class ApplicationUtils
             'inc',
             'plugins',
             $conf->get('resource.raintpl_tpl'),
+            $conf->get('resource.raintpl_tpl').'/'.$conf->get('resource.theme'),
         ) as $path) {
             if (! is_readable(realpath($path))) {
                 $errors[] = '"'.$path.'" directory is not readable';
diff --git a/application/ThemeUtils.php b/application/ThemeUtils.php
new file mode 100644
index 00000000..2718ed13
--- /dev/null
+++ b/application/ThemeUtils.php
@@ -0,0 +1,33 @@
+<?php
+
+namespace Shaarli;
+
+/**
+ * Class ThemeUtils
+ *
+ * Utility functions related to theme management.
+ *
+ * @package Shaarli
+ */
+class ThemeUtils
+{
+    /**
+     * Get a list of available themes.
+     *
+     * It will return the name of any directory present in the template folder.
+     *
+     * @param string $tplDir Templates main directory.
+     *
+     * @return array List of theme names.
+     */
+    public static function getThemes($tplDir)
+    {
+        $allTheme = glob($tplDir.'/*', GLOB_ONLYDIR);
+        $themes = [];
+        foreach ($allTheme as $value) {
+            $themes[] = str_replace($tplDir.'/', '', $value);
+        }
+
+        return $themes;
+    }
+}
diff --git a/application/Updater.php b/application/Updater.php
index 38de3350..621c7238 100644
--- a/application/Updater.php
+++ b/application/Updater.php
@@ -279,6 +279,35 @@ class Updater
         $this->conf->write($this->isLoggedIn);
         return true;
     }
+
+    /**
+     * New setting: theme name. If the default theme is used, nothing to do.
+     *
+     * If the user uses a custom theme, raintpl_tpl dir is updated to the parent directory,
+     * and the current theme is set as default in the theme setting.
+     *
+     * @return bool true if the update is successful, false otherwise.
+     */
+    public function updateMethodDefaultTheme()
+    {
+        // raintpl_tpl isn't the root template directory anymore.
+        // We run the update only if this folder still contains the template files.
+        $tplDir = $this->conf->get('resource.raintpl_tpl');
+        $tplFile = $tplDir . '/linklist.html';
+        if (! file_exists($tplFile)) {
+            return true;
+        }
+
+        $parent = dirname($tplDir);
+        $this->conf->set('resource.raintpl_tpl', $parent);
+        $this->conf->set('resource.theme', trim(str_replace($parent, '', $tplDir), '/'));
+        $this->conf->write($this->isLoggedIn);
+
+        // Dependency injection gore
+        RainTPL::$tpl_dir = $tplDir;
+
+        return true;
+    }
 }
 
 /**
diff --git a/application/config/ConfigManager.php b/application/config/ConfigManager.php
index ca8918b5..a401887c 100644
--- a/application/config/ConfigManager.php
+++ b/application/config/ConfigManager.php
@@ -299,6 +299,7 @@ class ConfigManager
         $this->setEmpty('resource.log', 'data/log.txt');
         $this->setEmpty('resource.update_check', 'data/lastupdatecheck.txt');
         $this->setEmpty('resource.raintpl_tpl', 'tpl/');
+        $this->setEmpty('resource.theme', 'default');
         $this->setEmpty('resource.raintpl_tmp', 'tmp/');
         $this->setEmpty('resource.thumbnails_cache', 'cache');
         $this->setEmpty('resource.page_cache', 'pagecache');
diff --git a/application/config/ConfigPhp.php b/application/config/ConfigPhp.php
index 9dd9a65d..d7fd4baf 100644
--- a/application/config/ConfigPhp.php
+++ b/application/config/ConfigPhp.php
@@ -41,6 +41,7 @@ class ConfigPhp implements ConfigIO
         'resource.log' => 'config.LOG_FILE',
         'resource.update_check' => 'config.UPDATECHECK_FILENAME',
         'resource.raintpl_tpl' => 'config.RAINTPL_TPL',
+        'resource.theme' => 'config.theme',
         'resource.raintpl_tmp' => 'config.RAINTPL_TMP',
         'resource.thumbnails_cache' => 'config.CACHEDIR',
         'resource.page_cache' => 'config.PAGECACHE',
@@ -99,7 +100,7 @@ class ConfigPhp implements ConfigIO
                 $configStr .= '$GLOBALS[\'' . $key . '\'] = ' . var_export($conf[$key], true) . ';' . PHP_EOL;
             }
         }
-        
+
         // Store all $conf['config']
         foreach ($conf['config'] as $key => $value) {
             $configStr .= '$GLOBALS[\'config\'][\''. $key .'\'] = '.var_export($conf['config'][$key], true).';'. PHP_EOL;