tailbone-corepos/tailbone_corepos/views/purchases.py
Lance Edgar 6da1568ea2 Convert master view overrides into view supplements
this fixes for all of the core/native tables.  still have a custom
view for purchases though..
2022-12-10 09:16:15 -06:00

135 lines
5 KiB
Python

# -*- coding: utf-8; -*-
################################################################################
#
# Rattail -- Retail Software Framework
# Copyright © 2010-2022 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/>.
#
################################################################################
"""
Purchase views
"""
import csv
import os
from rattail.util import pretty_quantity
from rattail_corepos.config import core_office_url
from tailbone.views.purchases import core as base
class PurchaseView(base.PurchaseView):
"""
Expose some extra features per CORE-POS integration.
"""
def template_kwargs_view(self, **kwargs):
kwargs = super(PurchaseView, self).template_kwargs_view(**kwargs)
url = core_office_url(self.rattail_config)
if url:
url = '{}/purchasing/ImportPurchaseOrder.php'.format(url)
kwargs['corepos_import_url'] = url
return kwargs
def download_for_corepos(self):
"""
View for downloading a Purchase data file for import to CORE-POS.
"""
purchase = self.get_instance()
app = self.get_rattail_app()
tmpdir = app.make_temp_dir()
path = os.path.join(tmpdir, 'Purchase {}.csv'.format(purchase.id_str))
fields = [
'sku',
'cost_total',
'quantity_units',
'quantity_cases',
'units_per_case',
'unit_size',
'brand',
'description',
'upc_without_check',
'upc_with_check',
]
rows = []
def collect(item, i):
upc = item.upc
if upc:
# TODO: i am still confused by what really is expected for the
# 'Unit Size' field here. CORE *behavior* seems to prefer what
# logically maps to Rattail `Product.unit_size` (e.g. 12) but
# the data type for CORE `PurchaseOrderItems.unitSize` is varchar
# and code comments imply e.g. '12 OZ' would also be expected.
# for now i am being "conservative" and mimicking CORE *behavior*.
unit_size = None
if item.product:
unit_size = pretty_quantity(item.product.unit_size)
rows.append({
'sku': item.vendor_code,
'cost_total': item.po_total,
'quantity_units': pretty_quantity(item.units_ordered),
'quantity_cases': pretty_quantity(item.cases_ordered),
'units_per_case': pretty_quantity(item.case_quantity),
'unit_size': unit_size,
'brand': item.brand_name,
'description': item.description,
'upc_without_check': str(upc)[:-1],
'upc_with_check': str(upc),
})
self.progress_loop(collect, purchase.items, None, # TODO
message="Converting data to CSV")
with open(path, 'w') as f:
writer = csv.DictWriter(f, fields)
# note, the CORE importer does not really need or expect a header
# TODO: seems like it should? b/c would be more helpful for humans
#writer.writeheader()
writer.writerows(rows)
return self.file_response(path)
@classmethod
def defaults(cls, config):
cls._corepos_purchase_defaults(config)
cls._purchase_defaults(config)
cls._defaults(config)
@classmethod
def _corepos_purchase_defaults(cls, config):
route_prefix = cls.get_route_prefix()
instance_url_prefix = cls.get_instance_url_prefix()
permission_prefix = cls.get_permission_prefix()
model_title = cls.get_model_title()
# download for core-pos
config.add_route('{}.download_for_corepos'.format(route_prefix), '{}/download-for-corepos'.format(instance_url_prefix))
config.add_view(cls, attr='download_for_corepos', route_name='{}.download_for_corepos'.format(route_prefix),
permission='{}.download_for_corepos'.format(permission_prefix))
config.add_tailbone_permission(permission_prefix, '{}.download_for_corepos'.format(permission_prefix),
"Download {} for import to CORE-POS".format(model_title))
def includeme(config):
base.defaults(config, **{'PurchaseView': PurchaseView})