Add progress views.

tailbone/views/__init__.py

@@ -61,6 +61,7 @@ def includeme(config):
     config.include('tailbone.views.labels')
     config.include('tailbone.views.people')
     config.include('tailbone.views.products')
+    config.include('tailbone.views.progress')
     config.include('tailbone.views.roles')
     config.include('tailbone.views.stores')
     config.include('tailbone.views.subdepartments')

tailbone/views/progress.py

@@ -0,0 +1,58 @@
+#!/usr/bin/env python
+# -*- coding: utf-8  -*-
+################################################################################
+#
+#  Rattail -- Retail Software Framework
+#  Copyright © 2010-2012 Lance Edgar
+#
+#  This file is part of Rattail.
+#
+#  Rattail 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.
+#
+#  Rattail 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 Rattail.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+
+"""
+Progress Views
+"""
+
+from ..progress import get_progress_session
+
+
+def progress(request):
+    key = request.matchdict['key']
+    session = get_progress_session(request.session, key)
+    if session.get('complete'):
+        request.session.flash(session.get('success_msg', "The process has completed successfully."))
+    elif session.get('error'):
+        request.session.flash(session.get('error_msg', "An unspecified error occurred."), 'error')
+    return session
+
+
+def cancel(request):
+    key = request.matchdict['key']
+    session = get_progress_session(request.session, key)
+    session.clear()
+    session['canceled'] = True
+    session.save()
+    msg = request.params.get('cancel_msg', "The operation was canceled.")
+    request.session.flash(msg)
+    return {}
+
+
+def includeme(config):
+    config.add_route('progress', '/progress/{key}')
+    config.add_view(progress, route_name='progress', renderer='json')
+
+    config.add_route('progress.cancel', '/progress/{key}/cancel')
+    config.add_view(cancel, route_name='progress.cancel', renderer='json')