86 lines
2.6 KiB
Python
86 lines
2.6 KiB
Python
# -*- coding: utf-8 -*-
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################################################################################
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#
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# Rattail -- Retail Software Framework
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# Copyright © 2010-2016 Lance Edgar
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#
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# This file is part of Rattail.
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#
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# Rattail is free software: you can redistribute it and/or modify it under the
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# terms of the GNU Affero General Public License as published by the Free
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# Software Foundation, either version 3 of the License, or (at your option)
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# any later version.
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#
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# Rattail is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
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# more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with Rattail. If not, see <http://www.gnu.org/licenses/>.
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#
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################################################################################
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"""
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Base View Class
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"""
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from __future__ import unicode_literals, absolute_import
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from rattail.db import model
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from pyramid import httpexceptions
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from pyramid.renderers import render_to_response
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from tailbone.db import Session
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class View(object):
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"""
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Base class for all class-based views.
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"""
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def __init__(self, request):
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self.request = request
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@property
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def rattail_config(self):
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"""
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Reference to the effective Rattail config object.
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"""
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return self.request.rattail_config
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def late_login_user(self):
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"""
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Returns the :class:`rattail:rattail.db.model.User` instance
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corresponding to the "late login" form data (if any), or ``None``.
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"""
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if self.request.method == 'POST':
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uuid = self.request.POST.get('late-login-user')
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if uuid:
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return Session.query(model.User).get(uuid)
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def redirect(self, url, **kwargs):
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"""
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Convenience method to return a HTTP 302 response.
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"""
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return httpexceptions.HTTPFound(location=url, **kwargs)
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def render_progress(self, kwargs):
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"""
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Render the progress page, with given kwargs as context.
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"""
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return render_to_response('/progress.mako', kwargs, request=self.request)
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def fake_error(request):
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"""
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View which raises a fake error, to test exception handling.
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"""
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raise Exception("Fake error, to test exception handling.")
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def includeme(config):
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config.add_route('fake_error', '/fake-error')
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config.add_view(fake_error, route_name='fake_error',
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permission='admin')
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