List number of sessions when filtering on session list

CHANGELOG.md

@@ -1,3 +1,7 @@
+## Unreleased
+
+* List number of sessions when filtering on session list
+
 ## 0.2.0 / 2023-01-09 22:42+01:00
 
 * Show playtime total on session list (https://git.kucharczyk.xyz/lukas/timetracker/issues/6)

src/web/tracker/templates/list_sessions.html

@@ -5,7 +5,8 @@
 {% block content %}
     {% if purchase %}
         <div class="text-center text-xl mb-4 dark:text-slate-400">
-            <h1>Listing sessions only for purchase "{{ purchase }}" (total playtime: {{ total_duration }})</h1>
+            <h1>Listing sessions only for purchase "{{ purchase }}"</h1>
+            <h2>Total playtime: {{ total_duration }} over {{ dataset.count }} sessions.</h2>
             <a class="dark:text-white hover:underline" href="{% url 'list_sessions' %}">View all sessions</a>
         </div>
     {% endif %}