Show invitation hint when user is alone on their instance

snikket_web/templates/user_home.html

@@ -6,8 +6,13 @@
 {% include "copy-snippet.html" %}
 {% endblock %}
 {% block content %}
-<h1>{% trans %}Welcome!{% endtrans %}</h1>
-<p>{% trans user_name=user_info.display_name %}Welcome home, {{ user_name }}.{% endtrans %}</p>
+{% if user_info.is_admin and metrics.users.active_1d <= 1 %}
+<aside class="box hint">
+  <header>Welcome to Snikket!</header>
+  <p>Now your Snikket instance is up and running, the next step is to invite people to join it. Family, friends, colleagues... you choose!</p>
+  <a href="/admin/invitations">{% trans %}Create new invitation{% endtrans %}</a>
+</aside>
+{% endif %}
 <nav class="welcome">
 	<ul>
 		<li class="wide">

snikket_web/user.py

@@ -97,7 +97,12 @@ class ImportAccountDataForm(BaseForm):
 @client.require_session()
 async def index() -> str:
     user_info = await client.get_user_info()
-    return await render_template("user_home.html", user_info=user_info)
+    metrics = await client.get_system_metrics()
+    return await render_template(
+        "user_home.html",
+        user_info=user_info,
+        metrics=metrics,
+    )
 
 
 @bp.route('/passwd', methods=["GET", "POST"])