Very crude permissions

TODO: Use Symfony Voters

templates/home/index.html.twig

@@ -6,10 +6,21 @@
     <div class="has-text-centered">
         <img width="200px" src="{{ asset('img/Logo-ArCOA-def.png') }}" />
     </div>
+
     <h1 class="is-size-1 mt-6 mb-6 has-text-centered">ArCOA Digital Archive</h1>
     <h2 class="is-size-3 mb-3 has-text-centered">Archivi e Collezioni dell'Oriente Antico</h2>
     <h2 class="is-size-3 mb-6 has-text-centered">Archives and Collections of the Ancient Near East</h2>
 
+    {% for message in app.flashes('warning') %}
+        <article class="message is-warning" style="max-width: 35vw; margin: 0 auto;">
+            <div class="message-header">
+                <p>Warning</p>
+                <button class="delete" aria-label="delete"></button>
+            </div>
+            <div class="message-body">{{ message }}</div>
+        </article>
+    {% endfor %}
+
     <div class="columns" style="max-width: 35vw; margin: 0 auto;">
         <div class="column mt-6 mb-5">
             <div class="card content p-4 is-clickable">
@@ -28,5 +39,13 @@
             </div>
         </div>
     </div>
+<script type="text/javascript" defer>
+    const warning = document.querySelector('.is-warning');
 
+    if (warning) {
+        warning.querySelector('.delete').addEventListener('click', () => {
+            warning.classList.add('is-hidden');
+        });
+    }
+</script>
 {% endblock %}