i2p: django: Add shortcuts to /i2p/... URLs

This should help the user reach pages of the configuration more quickly

freedombox-team/plinth#1428 Request: I2P support

Reviewed-by: Sunil Mohan Adapa <sunil@medhas.org>

plinth/modules/i2p/templates/i2p_frame.html

@@ -0,0 +1,13 @@
+{% extends "base.html" %}
+{% block page_head %}
+    <style>
+        #i2p-frame {
+            width: 100%;
+            height: 100%;
+            min-height: 500px;
+        }
+    </style>
+{% endblock %}
+{% block content %}
+    <iframe id="i2p-frame" src="{{ path }}" frameborder="0"></iframe>
+{% endblock %}

plinth/modules/i2p/urls.py

@@ -20,15 +20,15 @@ URLs for the I2P module.
 
 from django.conf.urls import url
 
-from plinth.modules import i2p
-from plinth.views import ServiceView
+from plinth.modules.i2p import views
 
 urlpatterns = [
-    url(r'^apps/i2p/$',
-        ServiceView.as_view(
-            service_id=i2p.managed_services[0],
-            diagnostics_module_name='i2p',
-            description=i2p.description, clients=i2p.clients,
-            manual_page=i2p.manual_page, show_status_block=True),
-        name='index'),
+    url(r'^apps/i2p/$', views.I2PServiceView.as_view(), name='index'),
+    url(r'^apps/i2p/frame/tunnels/?$', views.create_i2p_frame_view(
+        "I2P Proxies and Tunnels", "i2ptunnel"
+    ), name='frame_tunnels'),
+    url(r'^apps/i2p/frame/torrent/?$', views.create_i2p_frame_view(
+        "Anonymous torrents", "i2psnark"
+    ), name='frame_torrent'),
+
 ]

plinth/modules/i2p/views.py

@@ -0,0 +1,75 @@
+#
+# This file is part of FreedomBox.
+#
+# 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.template.response import TemplateResponse
+from django.urls import reverse_lazy
+from django.utils.translation import ugettext as _
+from django.utils.translation import ugettext_lazy
+
+import plinth.modules.i2p as i2p
+from plinth.views import ServiceView
+
+subsubmenu = [{
+    'url': reverse_lazy('i2p:index'),
+    'text': ugettext_lazy('Configure')
+}, {
+    'url': reverse_lazy('i2p:frame_tunnels'),
+    'text': ugettext_lazy('Proxies')
+}, {
+    'url': reverse_lazy('i2p:frame_torrent'),
+    'text': ugettext_lazy('Anonymous torrents')
+}]
+
+
+class I2PServiceView(ServiceView):
+    """Serve configuration page."""
+    service_id = i2p.servicename
+    description = i2p.description
+    diagnostics_module_name = i2p.servicename
+    show_status_block = False
+
+    def get_context_data(self, **kwargs):
+        """Return the context data for rendering the template view."""
+        context = super().get_context_data(**kwargs)
+        context['subsubmenu'] = subsubmenu
+        context['clients'] = i2p.clients
+        return context
+
+
+def create_i2p_frame_view(title, rel_path):
+    """
+    Creates a view with an iframe to the given path
+
+    This is primarily used as a shortcut to pages under /i2p/
+
+    :param title: the page title that will have to be i18n
+    :type title: basestring
+    :param rel_path: the URL path after /i2p/<rel_path>
+    :type rel_path: basestring
+    :return: a django view
+    :rtype: callable
+    """
+    path = "/i2p/" + rel_path
+
+    def i2p_frame_view(request):
+        return TemplateResponse(
+            request, 'i2p_frame.html', {
+                'title': _(title),
+                'subsubmenu': subsubmenu,
+                'path': path
+            })
+
+    return i2p_frame_view