401 lines
15 KiB
Python
401 lines
15 KiB
Python
# -*- coding: utf-8; -*-
|
|
################################################################################
|
|
#
|
|
# Rattail -- Retail Software Framework
|
|
# Copyright © 2010-2019 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/>.
|
|
#
|
|
################################################################################
|
|
"""
|
|
Views for 'ordering' (purchasing) batches
|
|
"""
|
|
|
|
from __future__ import unicode_literals, absolute_import
|
|
|
|
import os
|
|
|
|
import six
|
|
import openpyxl
|
|
from sqlalchemy import orm
|
|
|
|
from rattail.db import model, api
|
|
from rattail.core import Object
|
|
from rattail.time import localtime
|
|
|
|
from webhelpers2.html import tags
|
|
|
|
from tailbone.views.purchasing import PurchasingBatchView
|
|
|
|
|
|
class OrderingBatchView(PurchasingBatchView):
|
|
"""
|
|
Master view for purchase order batches.
|
|
"""
|
|
route_prefix = 'ordering'
|
|
url_prefix = '/ordering'
|
|
model_title = "Ordering Batch"
|
|
model_title_plural = "Ordering Batches"
|
|
index_title = "Ordering"
|
|
mobile_creatable = True
|
|
rows_editable = True
|
|
mobile_rows_creatable = True
|
|
mobile_rows_quickable = True
|
|
mobile_rows_editable = True
|
|
mobile_rows_deletable = True
|
|
has_worksheet = True
|
|
|
|
mobile_form_fields = [
|
|
'vendor',
|
|
'department',
|
|
'date_ordered',
|
|
'po_number',
|
|
'po_total',
|
|
'created',
|
|
'created_by',
|
|
'notes',
|
|
'status_code',
|
|
'complete',
|
|
'executed',
|
|
'executed_by',
|
|
]
|
|
|
|
row_grid_columns = [
|
|
'sequence',
|
|
'upc',
|
|
# 'item_id',
|
|
'brand_name',
|
|
'description',
|
|
'size',
|
|
'cases_ordered',
|
|
'units_ordered',
|
|
# 'cases_received',
|
|
# 'units_received',
|
|
'po_total',
|
|
# 'invoice_total',
|
|
# 'credits',
|
|
'status_code',
|
|
]
|
|
|
|
order_form_header_columns = [
|
|
"UPC",
|
|
"Brand",
|
|
"Description",
|
|
"Case",
|
|
"Vend. Code",
|
|
"Pref.",
|
|
"Unit Cost",
|
|
]
|
|
|
|
@property
|
|
def batch_mode(self):
|
|
return self.enum.PURCHASE_BATCH_MODE_ORDERING
|
|
|
|
def configure_form(self, f):
|
|
super(OrderingBatchView, self).configure_form(f)
|
|
|
|
# purchase
|
|
f.remove_field('purchase')
|
|
|
|
def get_batch_kwargs(self, batch, mobile=False):
|
|
kwargs = super(OrderingBatchView, self).get_batch_kwargs(batch, mobile=mobile)
|
|
kwargs['ship_method'] = batch.ship_method
|
|
kwargs['notes_to_vendor'] = batch.notes_to_vendor
|
|
return kwargs
|
|
|
|
def worksheet(self):
|
|
"""
|
|
View for editing batch row data as an order form worksheet.
|
|
"""
|
|
batch = self.get_instance()
|
|
if batch.executed:
|
|
return self.redirect(self.get_action_url('view', batch))
|
|
|
|
# organize existing batch rows by product
|
|
order_items = {}
|
|
for row in batch.active_rows():
|
|
order_items[row.product_uuid] = row
|
|
|
|
# organize vendor catalog costs by dept / subdept
|
|
departments = {}
|
|
costs = self.get_order_form_costs(batch.vendor)
|
|
costs = self.sort_order_form_costs(costs)
|
|
for cost in costs:
|
|
|
|
department = cost.product.department
|
|
if department:
|
|
departments.setdefault(department.uuid, department)
|
|
else:
|
|
if None not in departments:
|
|
department = Object(name='', number=None)
|
|
departments[None] = department
|
|
department = departments[None]
|
|
|
|
subdepartments = getattr(department, '_order_subdepartments', None)
|
|
if subdepartments is None:
|
|
subdepartments = department._order_subdepartments = {}
|
|
|
|
subdepartment = cost.product.subdepartment
|
|
if subdepartment:
|
|
subdepartments.setdefault(subdepartment.uuid, subdepartment)
|
|
else:
|
|
if None not in subdepartments:
|
|
subdepartment = Object(name=None, number=None)
|
|
subdepartments[None] = subdepartment
|
|
subdepartment = subdepartments[None]
|
|
|
|
subdept_costs = getattr(subdepartment, '_order_costs', None)
|
|
if subdept_costs is None:
|
|
subdept_costs = subdepartment._order_costs = []
|
|
subdept_costs.append(cost)
|
|
cost._batchrow = order_items.get(cost.product_uuid)
|
|
|
|
# do anything else needed to satisfy template display requirements etc.
|
|
self.decorate_order_form_cost(cost)
|
|
|
|
# fetch recent purchase history, sort/pad for template convenience
|
|
history = self.get_order_form_history(batch, costs, 6)
|
|
for i in range(6 - len(history)):
|
|
history.append(None)
|
|
history = list(reversed(history))
|
|
|
|
title = self.get_instance_title(batch)
|
|
order_date = batch.date_ordered
|
|
if not order_date:
|
|
order_date = localtime(self.rattail_config).date()
|
|
return self.render_to_response('worksheet', {
|
|
'batch': batch,
|
|
'order_date': order_date,
|
|
'instance': batch,
|
|
'instance_title': title,
|
|
'instance_url': self.get_action_url('view', batch),
|
|
'vendor': batch.vendor,
|
|
'departments': departments,
|
|
'history': history,
|
|
'get_upc': lambda p: p.upc.pretty() if p.upc else '',
|
|
'header_columns': self.order_form_header_columns,
|
|
'ignore_cases': not self.handler.allow_cases(),
|
|
})
|
|
|
|
def get_order_form_history(self, batch, costs, count):
|
|
|
|
# fetch last 6 purchases for this vendor, organize line items by product
|
|
history = []
|
|
purchases = self.Session.query(model.Purchase)\
|
|
.filter(model.Purchase.vendor == batch.vendor)\
|
|
.filter(model.Purchase.status >= self.enum.PURCHASE_STATUS_ORDERED)\
|
|
.order_by(model.Purchase.date_ordered.desc(), model.Purchase.created.desc())\
|
|
.options(orm.joinedload(model.Purchase.items))
|
|
for purchase in purchases[:count]:
|
|
items = {}
|
|
for item in purchase.items:
|
|
items[item.product_uuid] = item
|
|
history.append({'purchase': purchase, 'items': items})
|
|
|
|
return history
|
|
|
|
def get_order_form_costs(self, vendor):
|
|
return self.Session.query(model.ProductCost)\
|
|
.join(model.Product)\
|
|
.outerjoin(model.Brand)\
|
|
.filter(model.ProductCost.vendor == vendor)\
|
|
.options(orm.joinedload(model.ProductCost.product)\
|
|
.joinedload(model.Product.department))\
|
|
.options(orm.joinedload(model.ProductCost.product)\
|
|
.joinedload(model.Product.subdepartment))
|
|
|
|
def sort_order_form_costs(self, costs):
|
|
return costs.order_by(model.Brand.name,
|
|
model.Product.description,
|
|
model.Product.size)
|
|
|
|
def decorate_order_form_cost(self, cost):
|
|
pass
|
|
|
|
def worksheet_update(self):
|
|
"""
|
|
Handles AJAX requests to update current batch, from Order Form view.
|
|
"""
|
|
batch = self.get_instance()
|
|
|
|
cases_ordered = self.request.POST.get('cases_ordered', '0')
|
|
if not cases_ordered or not cases_ordered.isdigit():
|
|
return {'error': "Invalid value for cases ordered: {}".format(cases_ordered)}
|
|
cases_ordered = int(cases_ordered)
|
|
if cases_ordered >= 100000: # TODO: really this depends on underlying column
|
|
return {'error': "Invalid value for cases ordered: {}".format(cases_ordered)}
|
|
|
|
units_ordered = self.request.POST.get('units_ordered', '0')
|
|
if not units_ordered or not units_ordered.isdigit():
|
|
return {'error': "Invalid value for units ordered: {}".format(units_ordered)}
|
|
units_ordered = int(units_ordered)
|
|
if units_ordered >= 100000: # TODO: really this depends on underlying column
|
|
return {'error': "Invalid value for units ordered: {}".format(units_ordered)}
|
|
|
|
uuid = self.request.POST.get('product_uuid')
|
|
product = self.Session.query(model.Product).get(uuid) if uuid else None
|
|
if not product:
|
|
return {'error': "Product not found"}
|
|
|
|
row = None
|
|
rows = [r for r in batch.data_rows if r.product_uuid == uuid]
|
|
if rows:
|
|
assert len(rows) == 1
|
|
row = rows[0]
|
|
if row.po_total and not row.removed:
|
|
batch.po_total -= row.po_total
|
|
if cases_ordered or units_ordered:
|
|
row.cases_ordered = cases_ordered or None
|
|
row.units_ordered = units_ordered or None
|
|
if row.removed:
|
|
row.removed = False
|
|
batch.rowcount += 1
|
|
self.handler.refresh_row(row)
|
|
if row.po_unit_cost:
|
|
row.po_total = row.po_unit_cost * self.handler.get_units_ordered(row)
|
|
batch.po_total = (batch.po_total or 0) + row.po_total
|
|
else:
|
|
row.removed = True
|
|
|
|
elif cases_ordered or units_ordered:
|
|
row = model.PurchaseBatchRow()
|
|
row.product = product
|
|
row.cases_ordered = cases_ordered or None
|
|
row.units_ordered = units_ordered or None
|
|
self.handler.add_row(batch, row)
|
|
if row.po_unit_cost:
|
|
row.po_total = row.po_unit_cost * self.handler.get_units_ordered(row)
|
|
batch.po_total = (batch.po_total or 0) + row.po_total
|
|
|
|
return {
|
|
'row_cases_ordered': '' if not row or row.removed else int(row.cases_ordered or 0),
|
|
'row_units_ordered': '' if not row or row.removed else int(row.units_ordered or 0),
|
|
'row_po_total': '' if not row or row.removed else '${:0,.2f}'.format(row.po_total or 0),
|
|
'batch_po_total': '${:0,.2f}'.format(batch.po_total or 0),
|
|
}
|
|
|
|
def render_mobile_listitem(self, batch, i):
|
|
return "({}) {} on {} for ${:0,.2f}".format(batch.id_str, batch.vendor,
|
|
batch.date_ordered, batch.po_total or 0)
|
|
|
|
def mobile_create(self):
|
|
"""
|
|
Mobile view for creating a new ordering batch
|
|
"""
|
|
mode = self.batch_mode
|
|
data = {'mode': mode}
|
|
|
|
vendor = None
|
|
if self.request.method == 'POST' and self.request.POST.get('vendor'):
|
|
vendor = self.Session.query(model.Vendor).get(self.request.POST['vendor'])
|
|
if vendor:
|
|
|
|
# fetch first to avoid flush below
|
|
store = self.rattail_config.get_store(self.Session())
|
|
|
|
batch = self.model_class()
|
|
batch.mode = mode
|
|
batch.vendor = vendor
|
|
batch.store = store
|
|
batch.buyer = self.request.user.employee
|
|
batch.created_by = self.request.user
|
|
batch.po_total = 0
|
|
kwargs = self.get_batch_kwargs(batch, mobile=True)
|
|
batch = self.handler.make_batch(self.Session(), **kwargs)
|
|
if self.handler.should_populate(batch):
|
|
self.handler.populate(batch)
|
|
return self.redirect(self.request.route_url('mobile.ordering.view', uuid=batch.uuid))
|
|
|
|
data['index_title'] = self.get_index_title()
|
|
data['index_url'] = self.get_index_url(mobile=True)
|
|
data['mode_title'] = self.enum.PURCHASE_BATCH_MODE[mode].capitalize()
|
|
|
|
data['vendor_use_autocomplete'] = self.rattail_config.getbool(
|
|
'rattail', 'vendor.use_autocomplete', default=True)
|
|
if not data['vendor_use_autocomplete']:
|
|
vendors = self.Session.query(model.Vendor)\
|
|
.order_by(model.Vendor.name)
|
|
options = [(tags.Option(vendor.name, vendor.uuid))
|
|
for vendor in vendors]
|
|
options.insert(0, tags.Option("(please choose)", ''))
|
|
data['vendor_options'] = options
|
|
|
|
return self.render_to_response('create', data, mobile=True)
|
|
|
|
def configure_mobile_row_form(self, f):
|
|
super(OrderingBatchView, self).configure_mobile_row_form(f)
|
|
if self.editing:
|
|
# TODO: probably should take `allow_cases` into account here...
|
|
f.focus_spec = '[name="units_ordered"]'
|
|
|
|
def download_excel(self):
|
|
"""
|
|
Download ordering batch as Excel spreadsheet.
|
|
"""
|
|
batch = self.get_instance()
|
|
|
|
# populate Excel worksheet
|
|
workbook = openpyxl.Workbook()
|
|
worksheet = workbook.active
|
|
worksheet.title = "Purchase Order"
|
|
worksheet.append(["Store", "Vendor", "Date ordered"])
|
|
worksheet.append([batch.store.name, batch.vendor.name, batch.date_ordered.strftime('%m/%d/%Y')])
|
|
worksheet.append([])
|
|
worksheet.append(['vendor_code', 'upc', 'brand_name', 'description', 'cases_ordered', 'units_ordered'])
|
|
for row in batch.active_rows():
|
|
worksheet.append([row.vendor_code, six.text_type(row.upc), row.brand_name,
|
|
'{} {}'.format(row.description, row.size),
|
|
row.cases_ordered, row.units_ordered])
|
|
|
|
# write Excel file to batch data dir
|
|
filedir = batch.filedir(self.rattail_config)
|
|
if not os.path.exists(filedir):
|
|
os.makedirs(filedir)
|
|
filename = 'PO.{}.xlsx'.format(batch.id_str)
|
|
path = batch.filepath(self.rattail_config, filename)
|
|
workbook.save(path)
|
|
|
|
return self.file_response(path)
|
|
|
|
@classmethod
|
|
def _ordering_defaults(cls, config):
|
|
route_prefix = cls.get_route_prefix()
|
|
url_prefix = cls.get_url_prefix()
|
|
permission_prefix = cls.get_permission_prefix()
|
|
model_title = cls.get_model_title()
|
|
model_title_plural = cls.get_model_title_plural()
|
|
|
|
# fix permission group label
|
|
config.add_tailbone_permission_group(permission_prefix, model_title_plural)
|
|
|
|
# download as Excel
|
|
config.add_route('{}.download_excel'.format(route_prefix), '{}/{{uuid}}/excel'.format(url_prefix))
|
|
config.add_view(cls, attr='download_excel', route_name='{}.download_excel'.format(route_prefix),
|
|
permission='{}.download_excel'.format(permission_prefix))
|
|
config.add_tailbone_permission(permission_prefix, '{}.download_excel'.format(permission_prefix),
|
|
"Download {} as Excel".format(model_title))
|
|
|
|
@classmethod
|
|
def defaults(cls, config):
|
|
cls._ordering_defaults(config)
|
|
cls._purchasing_defaults(config)
|
|
cls._batch_defaults(config)
|
|
cls._defaults(config)
|
|
|
|
|
|
def includeme(config):
|
|
OrderingBatchView.defaults(config)
|