[add] link to empty cache in config screen, #454

inc/poche/Poche.class.php

@@ -1057,4 +1057,20 @@ class Poche
         $feed->genarateFeed();
         exit;
     }
+
+    public function emptyCache() {
+        $files = new RecursiveIteratorIterator(
+            new RecursiveDirectoryIterator(CACHE, RecursiveDirectoryIterator::SKIP_DOTS),
+            RecursiveIteratorIterator::CHILD_FIRST
+        );
+
+        foreach ($files as $fileinfo) {
+            $todo = ($fileinfo->isDir() ? 'rmdir' : 'unlink');
+            $todo($fileinfo->getRealPath());
+        }
+
+        Tools::logm('empty cache');
+        $this->messages->add('s', _('Cache deleted.'));
+        Tools::redirect();
+    }
 }

index.php

@@ -65,7 +65,9 @@ if (isset($_GET['login'])) {
 } elseif (isset($_GET['import'])) {
     $import = $poche->import($_GET['from']);
 } elseif (isset($_GET['download'])) {
-    Tools::download_db();;
+    Tools::download_db();
+} elseif (isset($_GET['empty-cache'])) {
+    $poche->emptyCache();
 } elseif (isset($_GET['export'])) {
     $poche->export();
 } elseif (isset($_GET['updatetheme'])) {

themes/baggy/config.twig

@@ -116,4 +116,8 @@
             {% if constant('STORAGE') == 'sqlite' %}
             <p><a href="?download" target="_blank">{% trans "Click here" %}</a> {% trans "to download your database." %}</p>{% endif %}
             <p><a href="?export" target="_blank">{% trans "Click here" %}</a> {% trans "to export your wallabag data." %}</p>
+
+            <h2>{% trans "Cache" %}</h2>
+            <p><a href="?empty-cache">{% trans "Click here" %}</a> {% trans "to delete cache." %}</p>
+
 {% endblock %}