tailbone/rattail/pyramid/views/departments.py

#!/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/>.
#
################################################################################

"""
``rattail.pyramid.views.departments`` -- Department Views
"""

# import transaction
# from pyramid.httpexceptions import HTTPFound
# from pyramid.view import view_config

# from edbob.pyramid import Session
from edbob.pyramid.views import SearchableAlchemyGridView, AlchemyGridView

import rattail


# @view_config(route_name='department.delete')
# def delete_department(context, request):
#     uuid = request.matchdict['uuid']
#     dept = Session.query(rattail.Department).get(uuid) if uuid else None
#     assert dept
#     with transaction.manager:
#         q = Session.query(rattail.Product)
#         q = q.filter(rattail.Product.department_uuid == dept.uuid)
#         if q.count():
#             q.update({'department_uuid': None}, synchronize_session=False)
#         Session.delete(dept)
#     return HTTPFound(location=request.route_url('departments.list'))


class DepartmentsGrid(SearchableAlchemyGridView):

    mapped_class = rattail.Department
    route_name = 'departments'
    route_url = '/departments'
    renderer = '/departments/index.mako'
    permission = 'departments.list'
    sort = 'name'

    def filter_map(self):
        return self.make_filter_map(ilike=['name'])

    def filter_config(self):
        return self.make_filter_config(
            include_filter_name=True,
            filter_type_name='lk')

    def sort_map(self):
        return self.make_sort_map('number', 'name')

    def grid(self):
        g = self.make_grid()
        g.configure(
            include=[
                g.number,
                g.name,
                ],
            readonly=True)
        return g


class DepartmentsByVendorGrid(AlchemyGridView):

    mapped_class = rattail.Department
    route_name = 'departments.by_vendor'
    route_url = '/departments/by-vendor'
    checkboxes = True
    partial_only = True

    def query(self):
        q = self.make_query()
        q = q.outerjoin(rattail.Product)
        q = q.join(rattail.ProductCost)
        q = q.join(rattail.Vendor)
        q = q.filter(rattail.Vendor.uuid == self.request.params['uuid'])
        q = q.distinct()
        q = q.order_by(rattail.Department.name)
        return q

    def grid(self):
        g = self.make_grid()
        g.configure(
            include=[
                g.name,
                ],
            readonly=True)
        return g


def includeme(config):
    # config.add_route('department.delete', '/department/{uuid}/delete')
    # config.scan(__name__)

    DepartmentsGrid.add_route(config)
    DepartmentsByVendorGrid.add_route(config)