tailbone/tailbone/views/common.py

240 lines
8.2 KiB
Python

# -*- coding: utf-8; -*-
################################################################################
#
# Rattail -- Retail Software Framework
# Copyright © 2010-2019 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 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 General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# Rattail. If not, see <http://www.gnu.org/licenses/>.
#
################################################################################
"""
Various common views
"""
from __future__ import unicode_literals, absolute_import
import six
import rattail
from rattail.batch import consume_batch_id
from rattail.mail import send_email
from rattail.util import OrderedDict
from rattail.files import resource_path
import colander
from pyramid import httpexceptions
from pyramid.response import Response
import tailbone
from tailbone import forms
from tailbone.db import Session
from tailbone.views import View
from tailbone.util import set_app_theme
class Feedback(colander.Schema):
"""
Form schema for user feedback.
"""
referrer = colander.SchemaNode(colander.String())
user = colander.SchemaNode(forms.types.UserType())
user_name = colander.SchemaNode(colander.String(),
missing=colander.null)
message = colander.SchemaNode(colander.String())
class CommonView(View):
"""
Base class for common views; override as needed.
"""
project_title = "Tailbone"
project_version = tailbone.__version__
robots_txt_path = resource_path('tailbone.static:robots.txt')
def home(self, mobile=False):
"""
Home page view.
"""
if not mobile and not self.request.user:
if self.rattail_config.getbool('tailbone', 'login_is_home', default=True):
raise self.redirect(self.request.route_url('login'))
image_url = self.rattail_config.get(
'tailbone', 'main_image_url',
default=self.request.static_url('tailbone:static/img/home_logo.png'))
return {'image_url': image_url}
def robots_txt(self):
"""
Returns a basic 'robots.txt' response
"""
with open(self.robots_txt_path, 'rt') as f:
content = f.read()
response = self.request.response
if six.PY3:
response.text = content
response.content_type = 'text/plain'
else:
response.body = content
response.content_type = b'text/plain'
return response
def mobile_home(self):
"""
Home page view for mobile.
"""
return self.home(mobile=True)
def exception(self):
"""
Generic exception view
"""
return {'project_title': self.project_title}
def about(self):
"""
Generic view to show "about project" info page.
"""
return {
'project_title': self.project_title,
'project_version': self.project_version,
'packages': self.get_packages(),
}
def get_packages(self):
"""
Should return the full set of packages which should be displayed on the
'about' page.
"""
return OrderedDict([
('rattail', rattail.__version__),
('Tailbone', tailbone.__version__),
])
def change_theme(self):
"""
Simple view which can change user's visible UI theme, then redirect
user back to referring page.
"""
theme = self.request.params.get('theme')
if theme:
try:
set_app_theme(self.request, theme, session=Session())
except Exception as error:
msg = "Failed to set theme: {}: {}".format(error.__class__.__name__, error)
self.request.session.flash(msg, 'error')
else:
self.request.session.flash("App theme has been changed to: {}".format(theme))
return self.redirect(self.request.get_referrer())
def feedback(self):
"""
Generic view to handle the user feedback form.
"""
form = forms.Form(schema=Feedback(), request=self.request)
if form.validate(newstyle=True):
data = dict(form.validated)
if data['user']:
data['user_url'] = self.request.route_url('users.view', uuid=data['user'].uuid)
data['client_ip'] = self.request.client_addr
send_email(self.rattail_config, 'user_feedback', data=data)
return {'ok': True}
return {'error': "Form did not validate!"}
def mobile_feedback(self):
"""
Generic view to handle the user feedback form on mobile.
"""
return self.feedback()
def consume_batch_id(self):
"""
Consume next batch ID from the PG sequence, and display via flash message.
"""
batch_id = consume_batch_id(Session())
self.request.session.flash("Batch ID has been consumed: {:08d}".format(batch_id))
return self.redirect(self.request.get_referrer())
def bogus_error(self):
"""
A special view which simply raises an error, for the sake of testing
uncaught exception handling.
"""
raise Exception("Congratulations, you have triggered a bogus error.")
@classmethod
def defaults(cls, config):
cls._defaults(config)
@classmethod
def _defaults(cls, config):
rattail_config = config.registry.settings.get('rattail_config')
# auto-correct URLs which require trailing slash
config.add_notfound_view(cls, attr='notfound', append_slash=True)
# exception
if rattail_config and rattail_config.production():
config.add_exception_view(cls, attr='exception', renderer='/exception.mako')
# permissions
config.add_tailbone_permission_group('common', "(common)", overwrite=False)
# home
config.add_route('home', '/')
config.add_view(cls, attr='home', route_name='home', renderer='/home.mako')
config.add_route('mobile.home', '/mobile/')
config.add_view(cls, attr='mobile_home', route_name='mobile.home', renderer='/mobile/home.mako')
# robots.txt
config.add_route('robots.txt', '/robots.txt')
config.add_view(cls, attr='robots_txt', route_name='robots.txt')
# about
config.add_route('about', '/about')
config.add_view(cls, attr='about', route_name='about', renderer='/about.mako')
config.add_route('mobile.about', '/mobile/about')
config.add_view(cls, attr='about', route_name='mobile.about', renderer='/mobile/about.mako')
# change theme
config.add_tailbone_permission('common', 'common.change_app_theme',
"Change global App Template Theme")
config.add_route('change_theme', '/change-theme', request_method='POST')
config.add_view(cls, attr='change_theme', route_name='change_theme')
# feedback
config.add_route('feedback', '/feedback', request_method='POST')
config.add_view(cls, attr='feedback', route_name='feedback', renderer='json')
config.add_route('mobile.feedback', '/mobile/feedback', request_method='POST')
config.add_view(cls, attr='mobile_feedback', route_name='mobile.feedback', renderer='json')
# consume batch ID
config.add_tailbone_permission('common', 'common.consume_batch_id',
"Consume new Batch ID")
config.add_route('consume_batch_id', '/consume-batch-id')
config.add_view(cls, attr='consume_batch_id', route_name='consume_batch_id')
# bogus error
config.add_route('bogus_error', '/bogus-error')
config.add_view(cls, attr='bogus_error', route_name='bogus_error', permission='errors.bogus')
def includeme(config):
CommonView.defaults(config)