Paginated comments

templates/conference/show.html.twig

@@ -6,6 +6,8 @@
     <h2>{{ conference }} Conference<h2>
 
     {% if comments|length > 0 %}
+        <div>There are {{ comments|length }} comments.</div>
+
         {% for comment in comments %}
             {% if comment.photoFilename %}
                 <img src="{{ asset('uploads/photos/' ~ comment.photofilename) }}" style="max-width: 200px"/>
@@ -18,6 +20,13 @@
 
             <p>{{ comment.text }}</p>
         {% endfor %}
+
+        {% if previous >= 0 %}
+            <a href="{{ path('conference', { id: conference.id, offset: previous }) }}">Previous</a>
+        {% endif %}
+        {% if next < comments|length %}
+            <a href="{{ path('conference', { id: conference.id, offset: next }) }}">Next</a>
+        {% endif %}
     {% else %}
         <div>No comments have been posted yet for this conference.</div>
     {% endif %}