359 lines
13 KiB
Python
359 lines
13 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 © 2010-2017 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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Views for inventory batches
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"""
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from __future__ import unicode_literals, absolute_import
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import re
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import six
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from rattail import pod
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from rattail.db import model, api
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from rattail.time import localtime
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from rattail.gpc import GPC
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from rattail.util import pretty_quantity
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import formalchemy as fa
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import formencode as fe
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from tailbone import forms
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from tailbone.views.batch import BatchMasterView2 as BatchMasterView
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class InventoryBatchView(BatchMasterView):
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"""
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Master view for inventory batches.
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"""
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model_class = model.InventoryBatch
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model_title_plural = "Inventory Batches"
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default_handler_spec = 'rattail.batch.inventory:InventoryBatchHandler'
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route_prefix = 'batch.inventory'
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url_prefix = '/batch/inventory'
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creatable = False
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mobile_creatable = True
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grid_columns = [
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'id',
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'created',
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'created_by',
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'description',
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'mode',
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'rowcount',
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'total_cost',
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'executed',
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'executed_by',
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]
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model_row_class = model.InventoryBatchRow
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rows_editable = True
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row_grid_columns = [
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'sequence',
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'upc',
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'item_id',
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'brand_name',
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'description',
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'size',
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'previous_units_on_hand',
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'cases',
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'units',
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'unit_cost',
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'total_cost',
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'status_code',
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]
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def configure_grid(self, g):
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super(InventoryBatchView, self).configure_grid(g)
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g.set_enum('mode', self.enum.INVENTORY_MODE)
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g.set_type('total_cost', 'currency')
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g.set_label('mode', "Count Mode")
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def render_mobile_listitem(self, batch, i):
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return "({}) {} rows - {}, {}".format(
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batch.id_str,
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"?" if batch.rowcount is None else batch.rowcount,
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batch.created_by,
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localtime(self.request.rattail_config, batch.created, from_utc=True).strftime('%Y-%m-%d'))
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def editable_instance(self, batch):
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return True
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def mutable_batch(self, batch):
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return not batch.executed and not batch.complete and batch.mode != self.enum.INVENTORY_MODE_ZERO_ALL
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def allow_worksheet(self, batch):
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return self.mutable_batch(batch)
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def _preconfigure_fieldset(self, fs):
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super(InventoryBatchView, self)._preconfigure_fieldset(fs)
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fs.mode.set(renderer=forms.renderers.EnumFieldRenderer(self.enum.INVENTORY_MODE),
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label="Count Mode", required=True, attrs={'auto-enhance': 'true'})
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fs.total_cost.set(readonly=True, renderer=forms.renderers.CurrencyFieldRenderer)
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fs.append(fa.Field('handheld_batches', renderer=forms.renderers.HandheldBatchesFieldRenderer, readonly=True,
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value=lambda b: b._handhelds))
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def configure_fieldset(self, fs):
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fs.configure(
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include=[
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fs.id,
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fs.description,
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fs.created,
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fs.created_by,
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fs.handheld_batches,
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fs.mode,
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fs.reason_code,
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fs.rowcount,
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fs.complete,
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fs.executed,
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fs.executed_by,
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])
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if not self.creating:
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fs.mode.set(readonly=True)
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def row_editable(self, row):
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return self.mutable_batch(row.batch)
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def row_deletable(self, row):
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return self.mutable_batch(row.batch)
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def save_edit_row_form(self, form):
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row = form.fieldset.model
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batch = row.batch
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if batch.total_cost is not None and row.total_cost is not None:
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batch.total_cost -= row.total_cost
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return super(InventoryBatchView, self).save_edit_row_form(form)
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def delete_row(self):
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row = self.Session.query(model.InventoryBatchRow).get(self.request.matchdict['uuid'])
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if not row:
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raise self.notfound()
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batch = row.batch
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if batch.total_cost is not None and row.total_cost is not None:
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batch.total_cost -= row.total_cost
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return super(InventoryBatchView, self).delete_row()
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def configure_mobile_fieldset(self, fs):
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fs.configure(include=[
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fs.mode,
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fs.reason_code,
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fs.rowcount,
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fs.complete,
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fs.executed,
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fs.executed_by,
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])
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batch = fs.model
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if self.creating:
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del fs.rowcount
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if not batch.executed:
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del [fs.executed, fs.executed_by]
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if not batch.complete:
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del fs.complete
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else:
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del fs.complete
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# TODO: this view can create new rows, with only a GET query. that should
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# probably be changed to require POST; for now we just require the "create
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# batch row" perm and call it good..
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def mobile_row_from_upc(self):
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"""
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Locate and/or create a row within the batch, according to the given
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product UPC, then redirect to the row view page.
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"""
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batch = self.get_instance()
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row = None
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upc = self.request.GET.get('upc', '').strip()
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upc = re.sub(r'\D', '', upc)
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if upc:
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# try to locate general product by UPC; add to batch either way
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provided = GPC(upc, calc_check_digit=False)
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checked = GPC(upc, calc_check_digit='upc')
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product = api.get_product_by_upc(self.Session(), provided)
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if not product:
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product = api.get_product_by_upc(self.Session(), checked)
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row = model.InventoryBatchRow()
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if product:
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row.product = product
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row.upc = product.upc
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else:
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row.upc = provided # TODO: why not 'checked' instead? how to choose?
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row.description = "(unknown product)"
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self.handler.add_row(batch, row)
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self.Session.flush()
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return self.redirect(self.mobile_row_route_url('view', uuid=row.uuid))
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def template_kwargs_view_row(self, **kwargs):
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row = kwargs['instance']
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kwargs['product_image_url'] = pod.get_image_url(self.rattail_config, row.upc)
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return kwargs
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def get_batch_kwargs(self, batch, mobile=False):
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kwargs = super(InventoryBatchView, self).get_batch_kwargs(batch, mobile=False)
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kwargs['mode'] = batch.mode
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kwargs['complete'] = False
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kwargs['reason_code'] = batch.reason_code
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return kwargs
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def get_mobile_row_data(self, batch):
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# we want newest on top, for inventory batch rows
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return self.get_row_data(batch)\
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.order_by(self.model_row_class.sequence.desc())
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# TODO: ugh, the hackiness. needs a refactor fo sho
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def mobile_view_row(self):
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"""
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Mobile view for inventory batch rows. Note that this also handles
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updating a row...ugh.
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"""
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self.viewing = True
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row = self.get_row_instance()
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form = self.make_mobile_row_form(row)
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context = {
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'row': row,
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'instance': row,
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'instance_title': self.get_row_instance_title(row),
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'parent_model_title': self.get_model_title(),
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'product_image_url': pod.get_image_url(self.rattail_config, row.upc),
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'form': form,
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}
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if self.request.has_perm('{}.edit'.format(self.get_row_permission_prefix())):
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update_form = forms.SimpleForm(self.request, schema=InventoryForm)
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if update_form.validate():
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row = update_form.data['row']
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cases = update_form.data['cases']
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units = update_form.data['units']
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if cases:
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row.cases = cases
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row.units = None
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elif units:
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row.cases = None
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row.units = units
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self.handler.refresh_row(row)
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return self.redirect(self.request.route_url('mobile.{}.view'.format(self.get_route_prefix()), uuid=row.batch_uuid))
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return self.render_to_response('view_row', context, mobile=True)
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def configure_row_grid(self, g):
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super(InventoryBatchView, self).configure_row_grid(g)
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g.set_type('previous_units_on_hand', 'quantity')
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g.set_type('cases', 'quantity')
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g.set_type('units', 'quantity')
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g.set_type('unit_cost', 'currency')
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g.set_type('total_cost', 'currency')
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# TODO: i guess row grids don't support this properly yet?
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# g.set_link('upc')
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# g.set_link('item_id')
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# g.set_link('description')
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g.set_label('upc', "UPC")
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g.set_label('brand_name', "Brand")
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g.set_label('status_code', "Status")
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g.set_label('previous_units_on_hand', "Prev. On Hand")
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def row_grid_extra_class(self, row, i):
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if row.status_code == row.STATUS_PRODUCT_NOT_FOUND:
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return 'warning'
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def render_mobile_row_listitem(self, row, i):
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description = row.product.full_description if row.product else row.description
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unit_uom = 'LB' if row.product and row.product.weighed else 'EA'
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qty = "{} {}".format(pretty_quantity(row.cases or row.units), 'CS' if row.cases else unit_uom)
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return "({}) {} - {}".format(row.upc.pretty(), description, qty)
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def _preconfigure_row_fieldset(self, fs):
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super(InventoryBatchView, self)._preconfigure_row_fieldset(fs)
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fs.upc.set(readonly=True, label="UPC", renderer=forms.renderers.GPCFieldRenderer,
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attrs={'link': lambda r: self.request.route_url('products.view', uuid=r.product_uuid)})
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fs.item_id.set(readonly=True)
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fs.brand_name.set(readonly=True)
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fs.description.set(readonly=True)
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fs.size.set(readonly=True)
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fs.previous_units_on_hand.set(label="Prev. On Hand")
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fs.cases.set(renderer=forms.renderers.QuantityFieldRenderer)
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fs.units.set(renderer=forms.renderers.QuantityFieldRenderer)
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fs.unit_cost.set(readonly=True, renderer=forms.renderers.CurrencyFieldRenderer)
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fs.total_cost.set(readonly=True, renderer=forms.renderers.CurrencyFieldRenderer)
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def configure_row_fieldset(self, fs):
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fs.configure(
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include=[
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fs.sequence,
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fs.upc,
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fs.brand_name,
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fs.description,
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fs.size,
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fs.status_code,
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fs.previous_units_on_hand,
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fs.cases,
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fs.units,
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fs.unit_cost,
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fs.total_cost,
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])
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@classmethod
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def defaults(cls, config):
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cls._inventory_defaults(config)
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cls._batch_defaults(config)
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cls._defaults(config)
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@classmethod
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def _inventory_defaults(cls, config):
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model_key = cls.get_model_key()
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route_prefix = cls.get_route_prefix()
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url_prefix = cls.get_url_prefix()
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row_permission_prefix = cls.get_row_permission_prefix()
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# mobile - make new row from UPC
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config.add_route('mobile.{}.row_from_upc'.format(route_prefix), '/mobile{}/{{{}}}/row-from-upc'.format(url_prefix, model_key))
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config.add_view(cls, attr='mobile_row_from_upc', route_name='mobile.{}.row_from_upc'.format(route_prefix),
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permission='{}.create'.format(row_permission_prefix))
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class ValidBatchRow(forms.validators.ModelValidator):
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model_class = model.InventoryBatchRow
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def _to_python(self, value, state):
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row = super(ValidBatchRow, self)._to_python(value, state)
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if row.batch.executed:
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raise fe.Invalid("Batch has already been executed", value, state)
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return row
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class InventoryForm(forms.Schema):
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allow_extra_fields = True
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filter_extra_fields = True
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row = ValidBatchRow()
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cases = fe.validators.Number()
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units = fe.validators.Number()
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def includeme(config):
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InventoryBatchView.defaults(config)
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