Add special query to reset the cache

src/Service/RequestDtoCache.php

@@ -38,8 +38,12 @@ class RequestDtoCache implements ValueResolverInterface
         $cacheData = $session->get($cacheKey, []);
         $queryData = $request->query->all();
         $params = $constructor->getParameters();
-        $args = [];
 
+        if (isset($queryData['reset'])) {
+            $queryData = $cacheData = [];
+        }
+
+        $args = [];
         foreach ($params as $param) {
             $name = $param->getName();
             if (array_key_exists($name, $queryData)) {

templates/snip/index.html.twig

@@ -28,7 +28,14 @@
 
 {% block column2 %}
     <h3>Filters</h3>
+    <div class="list-group">
+        <a href="{{ path('snip_index', {'reset': 1}) }}"
+           class="list-group-item list-group-item-action">
+            <i class="fa fa-refresh"></i> Reset
+        </a>
+    </div>
 
+    <br>
     <h5>Sort by</h5>
     <div class="list-group">
         {% for sortOption in snipSortOptions() %}