Enable self-service account signup

core/admin/mailu/ui/templates/sidebar.html

@@ -100,10 +100,17 @@
     </li>
     {% else %}
     <li>
-      <a href="#">
+      <a href="{{ url_for('.login') }}">
         <i class="fa fa-sign-in"></i> <span>{% trans %}Sign in{% endtrans %}</span>
       </a>
     </li>
+    {% if signup_domains %}
+    <li>
+      <a href="{{ url_for('.user_signup') }}">
+        <i class="fa fa-user-plus"></i> <span>{% trans %}Sign up{% endtrans %}</span>
+      </a>
+    </li>
+    {% endif %}
     {% endif %}
   </ul>
 </section>

core/admin/mailu/ui/templates/user/signup.html

@@ -0,0 +1,20 @@
+{% extends "base.html" %}
+
+{% block title %}
+{% trans %}Sign up{% endtrans %}
+{% endblock %}
+
+{% block subtitle %}
+{{ domain }}
+{% endblock %}
+
+{% block content %}
+<form class="form" method="post" role="form">
+  {{ form.hidden_tag() }}
+  {% call macros.box() %}
+  {{ macros.form_field(form.localpart, append='<span class="input-group-addon">@'+domain.name+'</span>') }}
+  {{ macros.form_fields((form.pw, form.pw2)) }}
+  {{ macros.form_field(form.submit) }}
+  {% endcall %}
+</form>
+{% endblock %}

core/admin/mailu/ui/templates/user/signup_domain.html

@@ -0,0 +1,26 @@
+{% extends "base.html" %}
+
+{% block title %}
+{% trans %}Sign up{% endtrans %}
+{% endblock %}
+
+{% block subtitle %}
+{% trans %}pick a domain for the new account{% endtrans %}
+{% endblock %}
+
+{% block content %}
+{% call macros.table() %}
+<tr>
+  <th>{% trans %}Domain{% endtrans %}</th>
+  <th>{% trans %}Available slots{% endtrans %}</th>
+  <th>{% trans %}Quota{% endtrans %}</th>
+</tr>
+{% for domain_name, domain in available_domains.items() %}
+<tr>
+  <td><a href="{{ url_for('.user_signup', domain_name=domain_name) }}">{{ domain_name }}</a></td>
+  <td>{{ domain.max_users - domain.users if domain.max_users else '∞' }}</td>
+  <td>{{ domain.max_quota_bytes or config['DEFAULT_QUOTA'] | filesizeformat }}</td>
+</tr>
+{% endfor %}
+{% endcall %}
+{% endblock %}