Moved pagekit url creation to pagekite module

plus some minor cleanup

actions/pagekite

@@ -223,10 +223,10 @@ def subcommand_add_service(arguments):
 
     root = get_new_service_path(params['protocol'])
     # TODO: after adding a service, augeas fails writing the config;
-    # so do it manually here
+    # so add the service_on entry manually instead
     path = convert_augeas_path_to_filepath(root)
     with open(path, 'a') as servicefile:
-        line = "service_on = %s" % deconstruct_params(params)
+        line = "\nservice_on = %s\n" % deconstruct_params(params)
         servicefile.write(line)
 
 

plinth/modules/pagekite/templates/pagekite_custom_services.html

@@ -20,7 +20,7 @@
 
 {% load bootstrap %}
 
-{% load plinth_extras %}
+{% load pagekite_extras %}
 
 {% block page_head %}
   <style type="text/css">
@@ -51,14 +51,14 @@
       {% endif %}
       <div class="list-group">
         {% for service in custom_services %}
-          {% create_pagekite_service_link service kite_name as service_link %}
+          {% create_pagekite_service_url service kite_name as service_url %}
           <div class="list-group-item clearfix">
             <span class="service">
-              <span title="Forwards {{ service_link }} to {{ service.backend_host }}:{{ service.backend_port }}">
-                {% if service_link|slice:":4" == "http" %}
-                  <a href="{{ service_link }}">{{ service_link }}</a>
+              <span title="Connects {{ service_url }} to {{ service.backend_host }}:{{ service.backend_port }}">
+                {% if service_url|slice:":4" == "http" %}
+                  <a href="{{ service_url }}">{{ service_url }}</a>
                 {% else %}
-                  {{ service_link }}
+                  {{ service_url }}
                 {% endif %}
               </span>
             </span>

plinth/modules/pagekite/templatetags/pagekite_extras.py

@@ -0,0 +1,44 @@
+#
+# This file is part of Plinth.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+from django import template
+from plinth.modules.pagekite.util import prepare_service_for_display
+
+register = template.Library()
+
+
+@register.assignment_tag
+def create_pagekite_service_url(service, kite_name):
+    """Create a URL out of a pagekite service
+
+    Parameters: - service: the service params dictionary
+                - kite_name: kite name from the pagekite configuration, not
+                             from the service params
+    """
+    # add extra information if it's missing
+    if 'subdomains' not in service:
+        service = prepare_service_for_display(service)
+
+    urlparams = {'protocol': service['protocol']}
+    if service['subdomains']:
+        urlparams['kite_name'] = "*.%s" % kite_name
+    else:
+        urlparams['kite_name'] = kite_name
+    url = "{protocol}://{kite_name}".format(**urlparams)
+    if 'frontend_port' in service and service['frontend_port']:
+        url = "%s:%s" % (url, service['frontend_port'])
+    return url

plinth/modules/pagekite/util.py

@@ -71,19 +71,6 @@ def get_kite_details():
             'kite_secret': kite_details[1]}
 
 
-def prepare_params_for_display(params):
-    """Add extra information to display a custom service:
-
-    - protocol is split into 'protocol' and 'frontend_port'
-    - we try to detect whether 'subdomains' are supported (as boolean)
-    """
-    protocol = params['protocol']
-    if '/' in protocol:
-        params['protocol'], params['frontend_port'] = protocol.split('/')
-    params['subdomains'] = params['kitename'].startswith('*.')
-    return params
-
-
 def get_pagekite_config():
     """
     Return the current PageKite configuration by executing various actions.
@@ -127,10 +114,23 @@ def get_pagekite_services():
                 predefined[name] = True
                 break
         else:
-            custom.append(prepare_params_for_display(params))
+            custom.append(params)
     return predefined, custom
 
 
+def prepare_service_for_display(service):
+    """ Add extra information that is used when displaying a service
+
+    - protocol is split into 'protocol' and 'frontend_port'
+    - detect whether 'subdomains' are supported (as boolean)
+    """
+    protocol = service['protocol']
+    if '/' in protocol:
+        service['protocol'], service['frontend_port'] = protocol.split('/')
+    service['subdomains'] = service['kitename'].startswith('*.')
+    return service
+
+
 def _run(arguments, superuser=True):
     """Run a given command and raise exception if there was an error"""
     command = 'pagekite'

plinth/modules/pagekite/views.py

@@ -25,7 +25,8 @@ from django.views.generic import View, TemplateView
 from django.views.generic.edit import FormView
 
 from plinth import package
-from .util import get_pagekite_config, get_pagekite_services, get_kite_details
+from .util import get_pagekite_config, get_pagekite_services, \
+    get_kite_details, prepare_service_for_display
 from .forms import ConfigurationForm, DefaultServiceForm, CustomServiceForm
 
 subsubmenu = [{'url': reverse_lazy('pagekite:index'),
@@ -80,7 +81,8 @@ class CustomServiceView(ContextMixin, TemplateView):
         unused, custom_services = get_pagekite_services()
         for service in custom_services:
             service['form'] = CustomServiceForm(initial=service)
-        context['custom_services'] = custom_services
+        context['custom_services'] = [prepare_service_for_display(service)
+                                      for service in custom_services]
         context.update(get_kite_details())
         return context
 
@@ -91,7 +93,6 @@ class CustomServiceView(ContextMixin, TemplateView):
         return self.render_to_response(context)
 
     def post(self, request):
-        unused, custom_services = get_pagekite_services()
         form = CustomServiceForm(request.POST, prefix="custom")
         if form.is_valid():
             form.save(request)

plinth/templatetags/plinth_extras.py

@@ -15,7 +15,6 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 
-import copy
 import os
 from django import template
 
@@ -59,21 +58,3 @@ def show_subsubmenu(context, menu):
     """Mark the active menu item and display the subsubmenu"""
     menu = mark_active_menuitem(menu, context['request'].path)
     return {'subsubmenu': menu}
-
-
-@register.assignment_tag
-def create_pagekite_service_link(service, kite_name):
-    """Create a link (URL) out of a pagekite service
-
-    Parameters: - service: the params dictionary
-                - kite_name: kite name (from the pagekite configuration)
-    """
-    params = {'protocol': service['protocol']}
-    if 'subdomains' in service and service['subdomains']:
-        params['kite_name'] = "*.%s" % kite_name
-    else:
-        params['kite_name'] = kite_name
-    link = "{protocol}://{kite_name}".format(**params)
-    if 'frontend_port' in service and service['frontend_port']:
-        link = "%s:%s" % (link, service['frontend_port'])
-    return link