group membership invitations

- fix display of group information on user and group pages
- send, receive, accept and reject invitations

bookwyrm/templates/user/groups.html

@@ -24,7 +24,7 @@
 
 {% block panel %}
 <section class="block">
-    <form name="create-group" method="post" action="{% url 'user-groups' request.user.name %}" class="box is-hidden" id="create_group">
+    <form name="create-group" method="post" action="{% url 'user-groups' request.user.username %}" class="box is-hidden" id="create_group">
         <header class="columns">
             <h3 class="title column">{% trans "Create group" %}</h3>
             <div class="column is-narrow">
@@ -34,9 +34,9 @@
         {% include 'groups/form.html' %}
     </form>
 
-    {% include 'groups/user_groups.html' %}
+    {% include 'groups/user_groups.html' with memberships=memberships %}
 </section>
 <div>
-    {% include 'snippets/pagination.html' with page=user_groups path=path %}
+    {% include 'snippets/pagination.html' with page=user.memberships path=path %}
 </div>
 {% endblock %}

bookwyrm/templates/user/layout.html

@@ -4,6 +4,7 @@
 {% load utilities %}
 {% load markdown %}
 {% load layout %}
+{% load bookwyrm_group_tags %}
 
 {% block title %}{{ user.display_name }}{% endblock %}
 
@@ -75,7 +76,7 @@
             <a href="{{ url }}">{% trans "Lists" %}</a>
         </li>
         {% endif %}
-        {% if is_self or user.bookwyrm_groups %}
+        {% if is_self or user|has_groups %}
         {% url 'user-groups' user|username as url %}
         <li{% if url in request.path %} class="is-active"{% endif %}>
             <a href="{{ url }}">{% trans "Groups" %}</a>