135 lines
5 KiB
Python
135 lines
5 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 © 2010-2023 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 General Public License as published by the Free Software
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# Foundation, either version 3 of the License, or (at your option) any later
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# 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 General Public License for more
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# details.
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#
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# You should have received a copy of the GNU General Public License along with
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# 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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Purchase views
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"""
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import csv
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import os
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from tailbone.views.purchases import core as base
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class PurchaseView(base.PurchaseView):
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"""
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Expose some extra features per CORE-POS integration.
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"""
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def template_kwargs_view(self, **kwargs):
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kwargs = super().template_kwargs_view(**kwargs)
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app = self.get_rattail_app()
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corepos = app.get_corepos_handler()
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url = corepos.get_office_url()
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if url:
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url = f'{url}/purchasing/ImportPurchaseOrder.php'
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kwargs['corepos_import_url'] = url
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return kwargs
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def download_for_corepos(self):
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"""
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View for downloading a Purchase data file for import to CORE-POS.
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"""
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purchase = self.get_instance()
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app = self.get_rattail_app()
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tmpdir = app.make_temp_dir()
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path = os.path.join(tmpdir, 'Purchase {}.csv'.format(purchase.id_str))
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fields = [
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'sku',
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'cost_total',
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'quantity_units',
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'quantity_cases',
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'units_per_case',
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'unit_size',
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'brand',
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'description',
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'upc_without_check',
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'upc_with_check',
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]
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rows = []
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def collect(item, i):
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upc = item.upc
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if upc:
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# TODO: i am still confused by what really is expected for the
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# 'Unit Size' field here. CORE *behavior* seems to prefer what
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# logically maps to Rattail `Product.unit_size` (e.g. 12) but
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# the data type for CORE `PurchaseOrderItems.unitSize` is varchar
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# and code comments imply e.g. '12 OZ' would also be expected.
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# for now i am being "conservative" and mimicking CORE *behavior*.
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unit_size = None
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if item.product:
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unit_size = app.render_quantity(item.product.unit_size)
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rows.append({
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'sku': item.vendor_code,
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'cost_total': item.po_total,
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'quantity_units': app.render_quantity(item.units_ordered),
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'quantity_cases': app.render_quantity(item.cases_ordered),
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'units_per_case': app.render_quantity(item.case_quantity),
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'unit_size': unit_size,
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'brand': item.brand_name,
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'description': item.description,
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'upc_without_check': str(upc)[:-1],
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'upc_with_check': str(upc),
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})
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self.progress_loop(collect, purchase.items, None, # TODO
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message="Converting data to CSV")
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with open(path, 'w') as f:
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writer = csv.DictWriter(f, fields)
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# note, the CORE importer does not really need or expect a header
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# TODO: seems like it should? b/c would be more helpful for humans
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#writer.writeheader()
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writer.writerows(rows)
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return self.file_response(path)
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@classmethod
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def defaults(cls, config):
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cls._corepos_purchase_defaults(config)
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cls._purchase_defaults(config)
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cls._defaults(config)
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@classmethod
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def _corepos_purchase_defaults(cls, config):
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route_prefix = cls.get_route_prefix()
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instance_url_prefix = cls.get_instance_url_prefix()
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permission_prefix = cls.get_permission_prefix()
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model_title = cls.get_model_title()
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# download for core-pos
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config.add_route('{}.download_for_corepos'.format(route_prefix), '{}/download-for-corepos'.format(instance_url_prefix))
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config.add_view(cls, attr='download_for_corepos', route_name='{}.download_for_corepos'.format(route_prefix),
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permission='{}.download_for_corepos'.format(permission_prefix))
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config.add_tailbone_permission(permission_prefix, '{}.download_for_corepos'.format(permission_prefix),
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"Download {} for import to CORE-POS".format(model_title))
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def includeme(config):
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base.defaults(config, **{'PurchaseView': PurchaseView})
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config.include('tailbone.views.purchases.credits')
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