fix: sort members

jdav_web/members/models.py

@@ -104,6 +104,11 @@ class Group(models.Model):
     class Meta:
         verbose_name = _('group')
         verbose_name_plural = _('groups')
+        
+    @property
+    def sorted_members(self):
+        """Returns the members of this group sorted by their last name."""
+        return self.member_set.all().order_by('lastname')
 
     def has_time_info(self):
         # return if the group has all relevant time slot information filled

jdav_web/members/templates/members/group_checklist.tex

@@ -68,7 +68,7 @@
     & \begin{sideways} {{ dates|index:i|add:group.weekday|date_vs }} \end{sideways}
  {% endfor %} \\
 
-    {% for m in group.member_set.all %}
+    {% for m in group.sorted_members %}
     \midrule
         {{ forloop.counter }}  &
         {{ m.name|esc_all }} &