owncloud: Use new setup mechanism

- Also reorganize views.

plinth/modules/owncloud/__init__.py

@@ -19,15 +19,60 @@
 Plinth module to configure ownCloud
 """
 
-from . import owncloud
-from .owncloud import init
+from django.utils.translation import ugettext_lazy as _
 
+from plinth import actions
 from plinth import action_utils
+from plinth import cfg
+from plinth import service as service_module
 
-__all__ = ['owncloud', 'init']
+version = 1
 
 depends = ['apps']
 
+title = _('File Hosting (ownCloud)')
+
+description = [
+    _('ownCloud gives you universal access to your files through a web '
+      'interface or WebDAV. It also provides a platform to easily view '
+      '& sync your contacts, calendars and bookmarks across all your '
+      'devices and enables basic editing right on the web. Installation '
+      'has minimal server requirements, doesn\'t need special '
+      'permissions and is quick. ownCloud is extendable via a simple '
+      'but powerful API for applications and plugins.'),
+
+    _('When enabled, the ownCloud installation will be available '
+      'from <a href="/owncloud">/owncloud</a> path on the web server. '
+      'Visit this URL to set up the initial administration account for '
+      'ownCloud.')
+]
+
+service = None
+
+
+def init():
+    """Initialize the ownCloud module"""
+    menu = cfg.main_menu.get('apps:index')
+    menu.add_urlname(title, 'glyphicon-picture', 'owncloud:index', 700)
+
+    global service
+    service = service_module.Service(
+        'owncloud', title, ['http', 'https'], is_external=True,
+        enabled=is_enabled())
+
+
+def setup(helper, old_version=None):
+    """Install and configure the module."""
+    helper.install(['postgresql', 'php5-pgsql', 'owncloud'])
+    helper.call('post', actions.superuser_run, 'owncloud-setup', ['enable'])
+    helper.call('post', service.notify_enabled, None, True)
+
+
+def is_enabled():
+    """Return whether the module is enabled."""
+    output = actions.run('owncloud-setup', ['status'])
+    return 'enable' in output.split()
+
 
 def diagnose():
     """Run diagnostics and return the results."""

plinth/modules/owncloud/forms.py

@@ -0,0 +1,30 @@
+#
+# 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/>.
+#
+
+"""
+Forms for configuring ownCloud.
+"""
+
+from django import forms
+from django.utils.translation import ugettext_lazy as _
+
+
+class OwnCloudForm(forms.Form):  # pylint: disable-msg=W0232
+    """ownCloud configuration form"""
+    enabled = forms.BooleanField(
+        label=_('Enable ownCloud'),
+        required=False)

plinth/modules/owncloud/templates/owncloud.html

@@ -1,4 +1,4 @@
-{% extends "base.html" %}
+{% extends "app.html" %}
 {% comment %}
 #
 # This file is part of Plinth.
@@ -21,30 +21,7 @@
 {% load bootstrap %}
 {% load i18n %}
 
-{% block content %}
-
-  <h2>{% trans "File Hosting (ownCloud)" %}</h2>
-
-  <p>
-    {% blocktrans trimmed %}
-      ownCloud gives you universal access to your files through a web
-      interface or WebDAV. It also provides a platform to easily view
-      & sync your contacts, calendars and bookmarks across all your
-      devices and enables basic editing right on the web. Installation
-      has minimal server requirements, doesn't need special
-      permissions and is quick. ownCloud is extendable via a simple
-      but powerful API for applications and plugins.
-    {% endblocktrans %}
-  </p>
-
-  <p>
-    {% blocktrans trimmed %}
-      When enabled, the ownCloud installation will be available
-      from <a href="/owncloud">/owncloud</a> path on the web server.
-      Visit this URL to set up the initial administration account for
-      ownCloud.
-    {% endblocktrans %}
-  </p>
+{% block configuration %}
 
   {% include "diagnostics_button.html" with module="owncloud" %}
 

plinth/modules/owncloud/urls.py

@@ -21,7 +21,7 @@ URLs for the ownCloud module
 
 from django.conf.urls import url
 
-from . import owncloud as views
+from . import views
 
 
 urlpatterns = [

plinth/modules/owncloud/views.py

@@ -19,47 +19,15 @@
 Plinth module for configuring ownCloud.
 """
 
-from django import forms
 from django.contrib import messages
 from django.template.response import TemplateResponse
 from django.utils.translation import ugettext_lazy as _
 
+from .forms import OwnCloudForm
 from plinth import actions
-from plinth import cfg
-from plinth import package
-from plinth import service as service_module
+from plinth.modules import owncloud
 
 
-service = None
-
-
-class OwnCloudForm(forms.Form):  # pylint: disable-msg=W0232
-    """ownCloud configuration form"""
-    enabled = forms.BooleanField(label=_('Enable ownCloud'), required=False)
-
-
-def init():
-    """Initialize the ownCloud module"""
-    menu = cfg.main_menu.get('apps:index')
-    menu.add_urlname(_('File Hosting (ownCloud)'), 'glyphicon-picture',
-                     'owncloud:index', 700)
-
-    status = get_status()
-
-    global service  # pylint: disable-msg=W0603
-    service = service_module.Service(
-        'owncloud', _('ownCloud'), ['http', 'https'], is_external=True,
-        enabled=status['enabled'])
-
-
-def on_install():
-    """Tasks to run after package install."""
-    actions.superuser_run('owncloud-setup', ['enable'])
-    service.notify_enabled(None, True)
-
-
-@package.required(['postgresql', 'php5-pgsql', 'owncloud'],
-                  on_install=on_install)
 def index(request):
     """Serve the ownCloud configuration page"""
     status = get_status()
@@ -77,14 +45,14 @@ def index(request):
         form = OwnCloudForm(initial=status, prefix='owncloud')
 
     return TemplateResponse(request, 'owncloud.html',
-                            {'title': _('ownCloud'),
+                            {'title': owncloud.title,
+                             'description': owncloud.description,
                              'form': form})
 
 
 def get_status():
     """Return the current status"""
-    output = actions.run('owncloud-setup', ['status'])
-    return {'enabled': 'enable' in output.split()}
+    return {'enabled': owncloud.is_enabled()}
 
 
 def _apply_changes(request, old_status, new_status):
@@ -104,4 +72,4 @@ def _apply_changes(request, old_status, new_status):
 
     # Send a signal to other modules that the service is
     # enabled/disabled
-    service.notify_enabled(None, new_status['enabled'])
+    owncloud.service.notify_enabled(None, new_status['enabled'])