radicale: Add description of web interface

Signed-off-by: James Valleroy <jvalleroy@mailbox.org>
Reviewed-by: Sunil Mohan Adapa <sunil@medhas.org>

plinth/modules/radicale/__init__.py

@@ -24,7 +24,6 @@ from distutils.version import LooseVersion as LV
 
 from apt.cache import Cache
 import augeas
-from django.urls import reverse_lazy
 from django.utils.translation import ugettext_lazy as _
 
 from plinth import action_utils, actions, cfg, frontpage
@@ -53,6 +52,10 @@ description = [
           '<a href="http://radicale.org/clients/">supported client '
           'application</a> is needed. Radicale can be accessed by any user '
           'with a {box_name} login.'), box_name=_(cfg.box_name)),
+
+    _('Radicale provides a basic web interface, which only supports creating '
+      'new calendars and addressbooks. It does not support adding events or '
+      'contacts, which must be done using a separate client.'),
 ]
 
 clients = clients
@@ -124,10 +127,9 @@ def setup(helper, old_version=None):
 
 
 def add_shortcut():
-    frontpage.add_shortcut(
-        'radicale', name, short_description=short_description,
-        details=description, configure_url=reverse_lazy('radicale:index'),
-        login_required=True)
+    frontpage.add_shortcut('radicale', name,
+                           short_description=short_description,
+                           url='/radicale/', login_required=True)
 
 
 def get_package_version():

plinth/modules/radicale/manifest.py

@@ -85,6 +85,13 @@ clients = validate([{
         'format': 'deb',
         'name': 'evolution'
     }]
+}, {
+    'name':
+        _('Radicale'),
+    'platforms': [{
+        'type': 'web',
+        'url': '/radicale/'
+    }]
 }])
 
 backup = validate_backup({