Enhence template of UserView and GroupView

openslides/participant/templates/participant/group_detail.html

@@ -15,6 +15,8 @@
 
 {% for member in group.user_set.all %}
     <p>{{ member }}</p>
+{% empty %}
+    <p>{% trans "This group has not any members." %}</p>
 {% endfor %}
 
 {% endblock %}

openslides/participant/templates/participant/user_detail.html

@@ -14,26 +14,38 @@
 <h2>{% trans "Groups" %}</h2>
 <p>
     {% for group in shown_user.groups.all %}
-    {{ group }},
+        {{ group }},
+    {% empty %}
+        {% trans "The participant is not member of any group." %}
     {% endfor %}
 </p>
 
-<h2>{% trans "Gender" %}</h2>
-<p>{{ shown_user.get_gender_display }}</p>
+{% if shown_user.get_gender_display %}
+    <h2>{% trans "Gender" %}</h2>
+    <p>{{ shown_user.get_gender_display }}</p>
+{% endif %}
 
+{% if shown_user.get_type_display %}
 <h2>{% trans "Type" %}</h2>
 <p>{{ shown_user.get_type_display }}</p>
+{% endif %}
 
+{% if shown_user.committee %}
 <h2>{% trans "Committee" %}</h2>
 <p>{{ shown_user.committee }}</p>
+{% endif %}
 
 {% if perms.participant.can_manage_participant %}
+    {% if shown_user.comment %}
     <h2>{% trans "Comment" %}</h2>
     <p>{{ shown_user.comment }}</p>
+    {% endif %}
 
     <h2>{% trans "Last Login" %}</h2>
     {% if shown_user.last_login > shown_user.date_joined %}
         <p>{{ shown_user.last_login }}</p>
+    {% else %}
+        <p>{% trans "The participant was not logged in yet." %}</p>
     {% endif %}
 {% endif %}