Files
tryton/sale.py
T
2014-12-03 16:14:05 +01:00

1682 lines
61 KiB
Python

# This file is part of Tryton. The COPYRIGHT file at the top level of
# this repository contains the full copyright notices and license terms.
from decimal import Decimal
from itertools import groupby, chain
from functools import partial
from sql import Table, Null
from sql.functions import Overlay, Position
from sql.operators import Concat
from trytond.model import Workflow, ModelView, ModelSQL, fields
from trytond.modules.company import CompanyReport
from trytond.wizard import Wizard, StateAction, StateView, StateTransition, \
Button
from trytond import backend
from trytond.pyson import If, Eval, Bool, PYSONEncoder, Id
from trytond.transaction import Transaction
from trytond.pool import Pool, PoolMeta
__all__ = ['Sale', 'SaleIgnoredInvoice', 'SaleRecreatedInvoice',
'SaleLine', 'SaleLineTax', 'SaleLineIgnoredMove',
'SaleLineRecreatedMove', 'SaleReport', 'OpenCustomer',
'HandleShipmentExceptionAsk', 'HandleShipmentException',
'HandleInvoiceExceptionAsk', 'HandleInvoiceException',
'ReturnSaleStart', 'ReturnSale']
__metaclass__ = PoolMeta
_ZERO = Decimal(0)
class Sale(Workflow, ModelSQL, ModelView):
'Sale'
__name__ = 'sale.sale'
_rec_name = 'reference'
company = fields.Many2One('company.company', 'Company', required=True,
states={
'readonly': (Eval('state') != 'draft') | Eval('lines', [0]),
},
domain=[
('id', If(Eval('context', {}).contains('company'), '=', '!='),
Eval('context', {}).get('company', -1)),
],
depends=['state'], select=True)
reference = fields.Char('Reference', readonly=True, select=True)
description = fields.Char('Description',
states={
'readonly': Eval('state') != 'draft',
},
depends=['state'])
state = fields.Selection([
('draft', 'Draft'),
('quotation', 'Quotation'),
('confirmed', 'Confirmed'),
('processing', 'Processing'),
('done', 'Done'),
('cancel', 'Canceled'),
], 'State', readonly=True, required=True)
sale_date = fields.Date('Sale Date',
states={
'readonly': ~Eval('state').in_(['draft', 'quotation']),
'required': ~Eval('state').in_(['draft', 'quotation', 'cancel']),
},
depends=['state'])
payment_term = fields.Many2One('account.invoice.payment_term',
'Payment Term', required=True, states={
'readonly': Eval('state') != 'draft',
},
depends=['state'])
party = fields.Many2One('party.party', 'Party', required=True, select=True,
states={
'readonly': ((Eval('state') != 'draft')
| (Eval('lines', [0]) & Eval('party'))),
},
depends=['state'])
party_lang = fields.Function(fields.Char('Party Language'),
'on_change_with_party_lang')
invoice_address = fields.Many2One('party.address', 'Invoice Address',
domain=[('party', '=', Eval('party'))], states={
'readonly': Eval('state') != 'draft',
'required': ~Eval('state').in_(['draft', 'quotation', 'cancel']),
}, depends=['state', 'party'])
shipment_address = fields.Many2One('party.address', 'Shipment Address',
domain=[('party', '=', Eval('party'))], states={
'readonly': Eval('state') != 'draft',
'required': ~Eval('state').in_(['draft', 'quotation', 'cancel']),
},
depends=['party', 'state'])
warehouse = fields.Many2One('stock.location', 'Warehouse',
domain=[('type', '=', 'warehouse')], states={
'readonly': Eval('state') != 'draft',
},
depends=['state'])
currency = fields.Many2One('currency.currency', 'Currency', required=True,
states={
'readonly': ((Eval('state') != 'draft')
| (Eval('lines', [0]) & Eval('currency', 0))),
},
depends=['state'])
currency_digits = fields.Function(fields.Integer('Currency Digits'),
'on_change_with_currency_digits')
lines = fields.One2Many('sale.line', 'sale', 'Lines', states={
'readonly': Eval('state') != 'draft',
},
depends=['party', 'state'])
comment = fields.Text('Comment')
untaxed_amount = fields.Function(fields.Numeric('Untaxed',
digits=(16, Eval('currency_digits', 2)),
depends=['currency_digits']), 'get_amount')
untaxed_amount_cache = fields.Numeric('Untaxed Cache',
digits=(16, Eval('currency_digits', 2)),
readonly=True,
depends=['currency_digits'])
tax_amount = fields.Function(fields.Numeric('Tax',
digits=(16, Eval('currency_digits', 2)),
depends=['currency_digits']), 'get_amount')
tax_amount_cache = fields.Numeric('Tax Cache',
digits=(16, Eval('currency_digits', 2)),
readonly=True,
depends=['currency_digits'])
total_amount = fields.Function(fields.Numeric('Total',
digits=(16, Eval('currency_digits', 2)),
depends=['currency_digits']), 'get_amount')
total_amount_cache = fields.Numeric('Total Tax',
digits=(16, Eval('currency_digits', 2)),
readonly=True,
depends=['currency_digits'])
invoice_method = fields.Selection([
('manual', 'Manual'),
('order', 'On Order Processed'),
('shipment', 'On Shipment Sent'),
],
'Invoice Method', required=True, states={
'readonly': Eval('state') != 'draft',
},
depends=['state'])
invoice_state = fields.Selection([
('none', 'None'),
('waiting', 'Waiting'),
('paid', 'Paid'),
('exception', 'Exception'),
], 'Invoice State', readonly=True, required=True)
invoices = fields.Function(fields.One2Many('account.invoice', None,
'Invoices'), 'get_invoices', searcher='search_invoices')
invoices_ignored = fields.Many2Many('sale.sale-ignored-account.invoice',
'sale', 'invoice', 'Ignored Invoices', readonly=True)
invoices_recreated = fields.Many2Many(
'sale.sale-recreated-account.invoice', 'sale', 'invoice',
'Recreated Invoices', readonly=True)
shipment_method = fields.Selection([
('manual', 'Manual'),
('order', 'On Order Processed'),
('invoice', 'On Invoice Paid'),
], 'Shipment Method', required=True,
states={
'readonly': Eval('state') != 'draft',
},
depends=['state'])
shipment_state = fields.Selection([
('none', 'None'),
('waiting', 'Waiting'),
('sent', 'Sent'),
('exception', 'Exception'),
], 'Shipment State', readonly=True, required=True)
shipments = fields.Function(fields.One2Many('stock.shipment.out', None,
'Shipments'), 'get_shipments', searcher='search_shipments')
shipment_returns = fields.Function(
fields.One2Many('stock.shipment.out.return', None, 'Shipment Returns'),
'get_shipment_returns', searcher='search_shipment_returns')
moves = fields.Function(fields.One2Many('stock.move', None, 'Moves'),
'get_moves')
@classmethod
def __setup__(cls):
super(Sale, cls).__setup__()
cls._order.insert(0, ('sale_date', 'DESC'))
cls._order.insert(1, ('id', 'DESC'))
cls._error_messages.update({
'invalid_method': ('Invalid combination of shipment and '
'invoicing methods on sale "%s".'),
'addresses_required': (
'Invoice and Shipment addresses must be '
'defined for the quotation of sale "%s".'),
'warehouse_required': ('Warehouse must be defined for the '
'quotation of sale "%s".'),
'missing_account_receivable': ('It misses '
'an "Account Receivable" on the party "%s".'),
'delete_cancel': ('Sale "%s" must be cancelled before '
'deletion.'),
})
cls._transitions |= set((
('draft', 'quotation'),
('quotation', 'confirmed'),
('confirmed', 'processing'),
('processing', 'processing'),
('processing', 'done'),
('done', 'processing'),
('draft', 'cancel'),
('quotation', 'cancel'),
('quotation', 'draft'),
('cancel', 'draft'),
))
cls._buttons.update({
'cancel': {
'invisible': ~Eval('state').in_(['draft', 'quotation']),
},
'draft': {
'invisible': ~Eval('state').in_(['cancel', 'quotation']),
'icon': If(Eval('state') == 'cancel', 'tryton-clear',
'tryton-go-previous'),
},
'quote': {
'invisible': Eval('state') != 'draft',
'readonly': ~Eval('lines', []),
},
'confirm': {
'invisible': Eval('state') != 'quotation',
},
'process': {
'invisible': Eval('state') != 'confirmed',
},
'handle_invoice_exception': {
'invisible': ((Eval('invoice_state') != 'exception')
| (Eval('state') == 'cancel')),
'readonly': ~Eval('groups', []).contains(
Id('sale', 'group_sale')),
},
'handle_shipment_exception': {
'invisible': ((Eval('shipment_state') != 'exception')
| (Eval('state') == 'cancel')),
'readonly': ~Eval('groups', []).contains(
Id('sale', 'group_sale')),
},
})
# The states where amounts are cached
cls._states_cached = ['confirmed', 'processing', 'done', 'cancel']
@classmethod
def __register__(cls, module_name):
pool = Pool()
SaleLine = pool.get('sale.line')
TableHandler = backend.get('TableHandler')
sale_line_invoice_line_table_name = 'sale_line_invoice_lines_rel'
Move = pool.get('stock.move')
cursor = Transaction().cursor
model_data = Table('ir_model_data')
model_field = Table('ir_model_field')
sql_table = cls.__table__()
# Migration from 1.2: packing renamed into shipment
cursor.execute(*model_data.update(
columns=[model_data.fs_id],
values=[Overlay(model_data.fs_id, 'shipment',
Position('packing', model_data.fs_id),
len('packing'))],
where=model_data.fs_id.like('%packing%')
& (model_data.module == module_name)))
cursor.execute(*model_field.update(
columns=[model_field.relation],
values=[Overlay(model_field.relation, 'shipment',
Position('packing', model_field.relation),
len('packing'))],
where=model_field.relation.like('%packing%')
& (model_field.module == module_name)))
cursor.execute(*model_field.update(
columns=[model_field.name],
values=[Overlay(model_field.name, 'shipment',
Position('packing', model_field.name),
len('packing'))],
where=model_field.name.like('%packing%')
& (model_field.module == module_name)))
table = TableHandler(cursor, cls, module_name)
table.column_rename('packing_state', 'shipment_state')
table.column_rename('packing_method', 'shipment_method')
table.column_rename('packing_address', 'shipment_address')
super(Sale, cls).__register__(module_name)
# Migration from 1.2
cursor.execute(*sql_table.update(
columns=[sql_table.invoice_method],
values=['shipment'],
where=sql_table.invoice_method == 'packing'))
table = TableHandler(cursor, cls, module_name)
# Migration from 2.2
table.not_null_action('sale_date', 'remove')
# state confirmed splitted into confirmed and processing
if (TableHandler.table_exist(cursor, SaleLine._table)
and TableHandler.table_exist(cursor,
sale_line_invoice_line_table_name)
and TableHandler.table_exist(cursor, Move._table)):
sale_line = SaleLine.__table__()
sale_line_invoice_line = \
Table(sale_line_invoice_line_table_name)
move = Move.__table__()
# Wrap subquery inside an other inner subquery because MySQL syntax
# doesn't allow update a table and select from the same table in a
# subquery.
sub_query = sql_table.join(sale_line,
condition=sale_line.sale == sql_table.id
).join(sale_line_invoice_line, 'LEFT',
condition=sale_line_invoice_line.sale_line == sale_line.id
).join(move, 'LEFT',
condition=(move.origin == Concat(SaleLine.__name__,
sale_line.id))
).select(sql_table.id,
where=(sql_table.state == 'confirmed')
& ((sale_line_invoice_line.id != Null)
| (move.id != Null)))
cursor.execute(*sql_table.update(
columns=[sql_table.state],
values=['processing'],
where=sql_table.id.in_(sub_query.select(sub_query.id))))
# Add index on create_date
table = TableHandler(cursor, cls, module_name)
table.index_action('create_date', action='add')
@classmethod
def default_payment_term(cls):
PaymentTerm = Pool().get('account.invoice.payment_term')
payment_terms = PaymentTerm.search(cls.payment_term.domain)
if len(payment_terms) == 1:
return payment_terms[0].id
@classmethod
def default_warehouse(cls):
Location = Pool().get('stock.location')
locations = Location.search(cls.warehouse.domain)
if len(locations) == 1:
return locations[0].id
@staticmethod
def default_company():
return Transaction().context.get('company')
@staticmethod
def default_state():
return 'draft'
@staticmethod
def default_currency():
Company = Pool().get('company.company')
company = Transaction().context.get('company')
if company:
return Company(company).currency.id
@staticmethod
def default_currency_digits():
Company = Pool().get('company.company')
company = Transaction().context.get('company')
if company:
return Company(company).currency.digits
return 2
@staticmethod
def default_invoice_method():
Config = Pool().get('sale.configuration')
config = Config(1)
return config.sale_invoice_method
@staticmethod
def default_invoice_state():
return 'none'
@staticmethod
def default_shipment_method():
Config = Pool().get('sale.configuration')
config = Config(1)
return config.sale_shipment_method
@staticmethod
def default_shipment_state():
return 'none'
@fields.depends('party', 'payment_term')
def on_change_party(self):
self.invoice_address = None
self.shipment_address = None
self.payment_term = self.default_payment_term()
if self.party:
self.invoice_address = self.party.address_get(type='invoice')
self.shipment_address = self.party.address_get(type='delivery')
self.payment_term = self.party.customer_payment_term
@fields.depends('currency')
def on_change_with_currency_digits(self, name=None):
if self.currency:
return self.currency.digits
return 2
def get_tax_context(self):
res = {}
if self.party and self.party.lang:
res['language'] = self.party.lang.code
return res
@fields.depends('party')
def on_change_with_party_lang(self, name=None):
Config = Pool().get('ir.configuration')
if self.party and self.party.lang:
return self.party.lang.code
return Config.get_language()
@fields.depends('lines', 'currency', 'party')
def on_change_lines(self):
pool = Pool()
Tax = pool.get('account.tax')
Invoice = pool.get('account.invoice')
Configuration = pool.get('account.configuration')
config = Configuration(1)
self.untaxed_amount = Decimal('0.0')
self.tax_amount = Decimal('0.0')
self.total_amount = Decimal('0.0')
if self.lines:
context = self.get_tax_context()
taxes = {}
def round_taxes():
if self.currency:
for key, value in taxes.iteritems():
taxes[key] = self.currency.round(value)
for line in self.lines:
if getattr(line, 'type', 'line') != 'line':
continue
self.untaxed_amount += (getattr(line, 'amount', None)
or Decimal(0))
with Transaction().set_context(context):
tax_list = Tax.compute(getattr(line, 'taxes', []),
getattr(line, 'unit_price', None) or Decimal('0.0'),
getattr(line, 'quantity', None) or 0.0)
for tax in tax_list:
key, val = Invoice._compute_tax(tax, 'out_invoice')
if key not in taxes:
taxes[key] = val['amount']
else:
taxes[key] += val['amount']
if config.tax_rounding == 'line':
round_taxes()
if config.tax_rounding == 'document':
round_taxes()
self.tax_amount = sum(taxes.itervalues(), Decimal('0.0'))
if self.currency:
self.untaxed_amount = self.currency.round(self.untaxed_amount)
self.tax_amount = self.currency.round(self.tax_amount)
self.total_amount = self.untaxed_amount + self.tax_amount
if self.currency:
self.total_amount = self.currency.round(self.total_amount)
def get_tax_amount(self):
pool = Pool()
Tax = pool.get('account.tax')
Invoice = pool.get('account.invoice')
Configuration = pool.get('account.configuration')
config = Configuration(1)
context = self.get_tax_context()
taxes = {}
def round_taxes():
for key, value in taxes.iteritems():
taxes[key] = self.currency.round(value)
for line in self.lines:
if line.type != 'line':
continue
with Transaction().set_context(context):
tax_list = Tax.compute(line.taxes, line.unit_price,
line.quantity)
for tax in tax_list:
key, val = Invoice._compute_tax(tax, 'out_invoice')
if key not in taxes:
taxes[key] = val['amount']
else:
taxes[key] += val['amount']
if config.tax_rounding == 'line':
round_taxes()
if config.tax_rounding == 'document':
round_taxes()
return sum(taxes.itervalues(), _ZERO)
@classmethod
def get_amount(cls, sales, names):
untaxed_amount = {}
tax_amount = {}
total_amount = {}
if {'tax_amount', 'total_amount'} & set(names):
compute_taxes = True
else:
compute_taxes = False
# Sort cached first and re-instanciate to optimize cache management
sales = sorted(sales, key=lambda s: s.state in cls._states_cached,
reverse=True)
sales = cls.browse(sales)
for sale in sales:
if (sale.state in cls._states_cached
and sale.untaxed_amount_cache is not None
and sale.tax_amount_cache is not None
and sale.total_amount_cache is not None):
untaxed_amount[sale.id] = sale.untaxed_amount_cache
if compute_taxes:
tax_amount[sale.id] = sale.tax_amount_cache
total_amount[sale.id] = sale.total_amount_cache
else:
untaxed_amount[sale.id] = sum(
(line.amount for line in sale.lines
if line.type == 'line'), _ZERO)
if compute_taxes:
tax_amount[sale.id] = sale.get_tax_amount()
total_amount[sale.id] = (
untaxed_amount[sale.id] + tax_amount[sale.id])
result = {
'untaxed_amount': untaxed_amount,
'tax_amount': tax_amount,
'total_amount': total_amount,
}
for key in result.keys():
if key not in names:
del result[key]
return result
def get_invoices(self, name):
invoices = set()
for line in self.lines:
for invoice_line in line.invoice_lines:
if invoice_line.invoice:
invoices.add(invoice_line.invoice.id)
return list(invoices)
@classmethod
def search_invoices(cls, name, clause):
return [('lines.invoice_lines.invoice.id',) + tuple(clause[1:])]
def get_invoice_state(self):
'''
Return the invoice state for the sale.
'''
skip_ids = set(x.id for x in self.invoices_ignored)
skip_ids.update(x.id for x in self.invoices_recreated)
invoices = [i for i in self.invoices if i.id not in skip_ids]
if invoices:
if any(i.state == 'cancel' for i in invoices):
return 'exception'
elif all(i.state == 'paid' for i in invoices):
return 'paid'
else:
return 'waiting'
return 'none'
def set_invoice_state(self):
'''
Set the invoice state.
'''
state = self.get_invoice_state()
if self.invoice_state != state:
self.write([self], {
'invoice_state': state,
})
def get_shipments_returns(model_name):
"Computes the returns or shipments"
def method(self, name):
Model = Pool().get(model_name)
shipments = set()
for line in self.lines:
for move in line.moves:
if isinstance(move.shipment, Model):
shipments.add(move.shipment.id)
return list(shipments)
return method
get_shipments = get_shipments_returns('stock.shipment.out')
get_shipment_returns = get_shipments_returns('stock.shipment.out.return')
def search_shipments_returns(model_name):
'''
Search on shipments or returns
'''
def method(self, name, clause):
return [('lines.moves.shipment.id',) + tuple(clause[1:])
+ (model_name,)]
return classmethod(method)
search_shipments = search_shipments_returns('stock.shipment.out')
search_shipment_returns = search_shipments_returns(
'stock.shipment.out.return')
def get_moves(self, name):
return [m.id for l in self.lines for m in l.moves]
def get_shipment_state(self):
'''
Return the shipment state for the sale.
'''
if self.moves:
if any(l.move_exception for l in self.lines):
return 'exception'
elif all(l.move_done for l in self.lines):
return 'sent'
else:
return 'waiting'
return 'none'
def set_shipment_state(self):
'''
Set the shipment state.
'''
state = self.get_shipment_state()
if self.shipment_state != state:
self.write([self], {
'shipment_state': state,
})
@classmethod
def validate(cls, sales):
super(Sale, cls).validate(sales)
for sale in sales:
sale.check_method()
def check_method(self):
'''
Check the methods.
'''
if (self.invoice_method == 'shipment'
and self.shipment_method in ('invoice', 'manual')):
self.raise_user_error('invalid_method', (self.rec_name,))
if (self.shipment_method == 'invoice'
and self.invoice_method in ('shipment', 'manual')):
self.raise_user_error('invalid_method', (self.rec_name,))
def get_rec_name(self, name):
return (self.reference or str(self.id)
+ ' - ' + self.party.rec_name)
@classmethod
def search_rec_name(cls, name, clause):
names = clause[2].split(' - ', 1)
res = [('reference', clause[1], names[0])]
if len(names) != 1 and names[1]:
res.append(('party', clause[1], names[1]))
return res
@classmethod
def copy(cls, sales, default=None):
if default is None:
default = {}
default = default.copy()
default['state'] = 'draft'
default['reference'] = None
default['invoice_state'] = 'none'
default['invoices_ignored'] = None
default['shipment_state'] = 'none'
default.setdefault('sale_date', None)
return super(Sale, cls).copy(sales, default=default)
def check_for_quotation(self):
if not self.invoice_address or not self.shipment_address:
self.raise_user_error('addresses_required', (self.rec_name,))
for line in self.lines:
if line.quantity >= 0:
location = line.from_location
else:
location = line.to_location
if ((not location or not line.warehouse)
and line.product
and line.product.type in ('goods', 'assets')):
self.raise_user_error('warehouse_required',
(self.rec_name,))
@classmethod
def set_reference(cls, sales):
'''
Fill the reference field with the sale sequence
'''
pool = Pool()
Sequence = pool.get('ir.sequence')
Config = pool.get('sale.configuration')
config = Config(1)
for sale in sales:
if sale.reference:
continue
reference = Sequence.get_id(config.sale_sequence.id)
cls.write([sale], {
'reference': reference,
})
@classmethod
def set_sale_date(cls, sales):
Date = Pool().get('ir.date')
for sale in sales:
if not sale.sale_date:
cls.write([sale], {
'sale_date': Date.today(),
})
@classmethod
def store_cache(cls, sales):
for sale in sales:
cls.write([sale], {
'untaxed_amount_cache': sale.untaxed_amount,
'tax_amount_cache': sale.tax_amount,
'total_amount_cache': sale.total_amount,
})
def _get_invoice_line_sale_line(self, invoice_type):
'''
Return invoice line for each sale lines according to invoice_type
'''
res = {}
for line in self.lines:
val = line.get_invoice_line(invoice_type)
if val:
res[line.id] = val
return res
def _get_invoice_sale(self, invoice_type):
'''
Return invoice of type invoice_type
'''
pool = Pool()
Invoice = pool.get('account.invoice')
Journal = pool.get('account.journal')
journals = Journal.search([
('type', '=', 'revenue'),
], limit=1)
if journals:
journal, = journals
else:
journal = None
return Invoice(
company=self.company,
type=invoice_type,
journal=journal,
party=self.party,
invoice_address=self.invoice_address,
currency=self.currency,
account=self.party.account_receivable,
payment_term=self.payment_term,
)
def create_invoice(self, invoice_type):
'''
Create and return an invoice of type invoice_type
'''
pool = Pool()
Invoice = pool.get('account.invoice')
if self.invoice_method == 'manual':
return
if not self.party.account_receivable:
self.raise_user_error('missing_account_receivable',
(self.party.rec_name,))
invoice_lines = self._get_invoice_line_sale_line(invoice_type)
if not invoice_lines:
return
invoice = self._get_invoice_sale(invoice_type)
invoice.lines = ((list(invoice.lines)
if hasattr(invoice, 'lines') else [])
+ list(chain.from_iterable(invoice_lines.itervalues())))
invoice.save()
Invoice.update_taxes([invoice])
return invoice
def _get_move_sale_line(self, shipment_type):
'''
Return move for each sale lines of the right shipment_type
'''
res = {}
for line in self.lines:
val = line.get_move(shipment_type)
if val:
res[line.id] = val
return res
def _group_shipment_key(self, moves, move):
'''
The key to group moves by shipments
move is a tuple of line id and a move
'''
SaleLine = Pool().get('sale.line')
line_id, move = move
line = SaleLine(line_id)
planned_date = max(m.planned_date for m in moves)
return (
('planned_date', planned_date),
('warehouse', line.warehouse.id),
)
_group_return_key = _group_shipment_key
def _get_shipment_sale(self, Shipment, key):
values = {
'customer': self.party.id,
'delivery_address': self.shipment_address.id,
'company': self.company.id,
}
values.update(dict(key))
return Shipment(**values)
def create_shipment(self, shipment_type):
'''
Create and return shipments of type shipment_type
'''
pool = Pool()
if self.shipment_method == 'manual':
return
moves = self._get_move_sale_line(shipment_type)
if not moves:
return
if shipment_type == 'out':
keyfunc = partial(self._group_shipment_key, moves.values())
Shipment = pool.get('stock.shipment.out')
elif shipment_type == 'return':
keyfunc = partial(self._group_return_key, moves.values())
Shipment = pool.get('stock.shipment.out.return')
moves = moves.items()
moves = sorted(moves, key=keyfunc)
shipments = []
for key, grouped_moves in groupby(moves, key=keyfunc):
shipment = self._get_shipment_sale(Shipment, key)
shipment.moves = (list(getattr(shipment, 'moves', []))
+ [x[1] for x in grouped_moves])
shipment.save()
shipments.append(shipment)
if shipment_type == 'out':
Shipment.wait(shipments)
return shipments
def is_done(self):
return ((self.invoice_state == 'paid'
or self.invoice_state == 'none')
and (self.shipment_state == 'sent'
or self.shipment_state == 'none'
or all(l.product.type == 'service'
for l in self.lines if l.product)))
@classmethod
def delete(cls, sales):
# Cancel before delete
cls.cancel(sales)
for sale in sales:
if sale.state != 'cancel':
cls.raise_user_error('delete_cancel', (sale.rec_name,))
super(Sale, cls).delete(sales)
@classmethod
@ModelView.button
@Workflow.transition('cancel')
def cancel(cls, sales):
cls.store_cache(sales)
@classmethod
@ModelView.button
@Workflow.transition('draft')
def draft(cls, sales):
pass
@classmethod
@ModelView.button
@Workflow.transition('quotation')
def quote(cls, sales):
for sale in sales:
sale.check_for_quotation()
cls.set_reference(sales)
@classmethod
@ModelView.button
@Workflow.transition('confirmed')
def confirm(cls, sales):
cls.set_sale_date(sales)
cls.store_cache(sales)
@classmethod
@ModelView.button_action('sale.wizard_invoice_handle_exception')
def handle_invoice_exception(cls, sales):
pass
@classmethod
@ModelView.button_action('sale.wizard_shipment_handle_exception')
def handle_shipment_exception(cls, sales):
pass
@classmethod
@Workflow.transition('processing')
def proceed(cls, sales):
pass
@classmethod
@Workflow.transition('done')
def do(cls, sales):
pass
@classmethod
@ModelView.button
def process(cls, sales):
done = []
process = []
for sale in sales:
if sale.state not in ('confirmed', 'processing', 'done'):
continue
sale.create_invoice('out_invoice')
sale.create_invoice('out_credit_note')
sale.set_invoice_state()
sale.create_shipment('out')
sale.create_shipment('return')
sale.set_shipment_state()
if sale.is_done():
if sale.state != 'done':
done.append(sale)
elif sale.state != 'processing':
process.append(sale)
if process:
cls.proceed(process)
if done:
cls.do(done)
class SaleIgnoredInvoice(ModelSQL):
'Sale - Ignored Invoice'
__name__ = 'sale.sale-ignored-account.invoice'
_table = 'sale_invoice_ignored_rel'
sale = fields.Many2One('sale.sale', 'Sale', ondelete='CASCADE',
select=True, required=True)
invoice = fields.Many2One('account.invoice', 'Invoice',
ondelete='RESTRICT', select=True, required=True)
class SaleRecreatedInvoice(ModelSQL):
'Sale - Recreated Invoice'
__name__ = 'sale.sale-recreated-account.invoice'
_table = 'sale_invoice_recreated_rel'
sale = fields.Many2One('sale.sale', 'Sale', ondelete='CASCADE',
select=True, required=True)
invoice = fields.Many2One('account.invoice', 'Invoice',
ondelete='RESTRICT', select=True, required=True)
class SaleLine(ModelSQL, ModelView):
'Sale Line'
__name__ = 'sale.line'
_rec_name = 'description'
sale = fields.Many2One('sale.sale', 'Sale', ondelete='CASCADE',
select=True)
sequence = fields.Integer('Sequence')
type = fields.Selection([
('line', 'Line'),
('subtotal', 'Subtotal'),
('title', 'Title'),
('comment', 'Comment'),
], 'Type', select=True, required=True)
quantity = fields.Float('Quantity',
digits=(16, Eval('unit_digits', 2)),
states={
'invisible': Eval('type') != 'line',
'required': Eval('type') == 'line',
'readonly': ~Eval('_parent_sale', {}),
},
depends=['type', 'unit_digits'])
unit = fields.Many2One('product.uom', 'Unit',
states={
'required': Bool(Eval('product')),
'invisible': Eval('type') != 'line',
'readonly': ~Eval('_parent_sale', {}),
},
domain=[
If(Bool(Eval('product_uom_category')),
('category', '=', Eval('product_uom_category')),
('category', '!=', -1)),
],
depends=['product', 'type', 'product_uom_category'])
unit_digits = fields.Function(fields.Integer('Unit Digits'),
'on_change_with_unit_digits')
product = fields.Many2One('product.product', 'Product',
domain=[('salable', '=', True)],
states={
'invisible': Eval('type') != 'line',
'readonly': ~Eval('_parent_sale', {}),
},
context={
'locations': If(Bool(Eval('_parent_sale', {}).get('warehouse')),
[Eval('_parent_sale', {}).get('warehouse', 0)], []),
'stock_date_end': Eval('_parent_sale', {}).get('sale_date'),
'stock_skip_warehouse': True,
}, depends=['type'])
product_uom_category = fields.Function(
fields.Many2One('product.uom.category', 'Product Uom Category'),
'on_change_with_product_uom_category')
unit_price = fields.Numeric('Unit Price', digits=(16, 4),
states={
'invisible': Eval('type') != 'line',
'required': Eval('type') == 'line',
}, depends=['type'])
amount = fields.Function(fields.Numeric('Amount',
digits=(16, Eval('_parent_sale', {}).get('currency_digits', 2)),
states={
'invisible': ~Eval('type').in_(['line', 'subtotal']),
'readonly': ~Eval('_parent_sale'),
},
depends=['type']), 'get_amount')
description = fields.Text('Description', size=None, required=True)
note = fields.Text('Note')
taxes = fields.Many2Many('sale.line-account.tax', 'line', 'tax', 'Taxes',
domain=[('parent', '=', None), ['OR',
('group', '=', None),
('group.kind', 'in', ['sale', 'both'])],
('company', '=',
Eval('_parent_sale', {}).get('company', -1)),
],
states={
'invisible': Eval('type') != 'line',
}, depends=['type'])
invoice_lines = fields.One2Many('account.invoice.line', 'origin',
'Invoice Lines', readonly=True)
moves = fields.One2Many('stock.move', 'origin', 'Moves', readonly=True)
moves_ignored = fields.Many2Many('sale.line-ignored-stock.move',
'sale_line', 'move', 'Ignored Moves', readonly=True)
moves_recreated = fields.Many2Many('sale.line-recreated-stock.move',
'sale_line', 'move', 'Recreated Moves', readonly=True)
move_done = fields.Function(fields.Boolean('Moves Done'), 'get_move_done')
move_exception = fields.Function(fields.Boolean('Moves Exception'),
'get_move_exception')
warehouse = fields.Function(fields.Many2One('stock.location',
'Warehouse'), 'get_warehouse')
from_location = fields.Function(fields.Many2One('stock.location',
'From Location'), 'get_from_location')
to_location = fields.Function(fields.Many2One('stock.location',
'To Location'), 'get_to_location')
delivery_date = fields.Function(fields.Date('Delivery Date',
states={
'invisible': ((Eval('type') != 'line')
| (If(Bool(Eval('quantity')), Eval('quantity', 0), 0)
<= 0)),
},
depends=['type', 'quantity']),
'on_change_with_delivery_date')
@classmethod
def __setup__(cls):
super(SaleLine, cls).__setup__()
cls._order.insert(0, ('sequence', 'ASC'))
cls._error_messages.update({
'customer_location_required': (
'Sale "%(sale)s" is missing the '
'customer location in line "%(line)s".'),
'missing_account_revenue': ('Product "%(product)s" of sale '
'%(sale)s misses a revenue account.'),
'missing_account_revenue_property': ('Sale "%(sale)s" '
'misses an "account revenue" default property.'),
})
@classmethod
def __register__(cls, module_name):
TableHandler = backend.get('TableHandler')
cursor = Transaction().cursor
sql_table = cls.__table__()
super(SaleLine, cls).__register__(module_name)
table = TableHandler(cursor, cls, module_name)
# Migration from 1.0 comment change into note
if table.column_exist('comment'):
cursor.execute(*sql_table.update(
columns=[sql_table.note],
values=[sql_table.comment]))
table.drop_column('comment', exception=True)
# Migration from 2.4: drop required on sequence
table.not_null_action('sequence', action='remove')
@staticmethod
def order_sequence(tables):
table, _ = tables[None]
return [table.sequence == Null, table.sequence]
@staticmethod
def default_type():
return 'line'
@staticmethod
def default_unit_digits():
return 2
@fields.depends('unit')
def on_change_with_unit_digits(self, name=None):
if self.unit:
return self.unit.digits
return 2
def get_move_done(self, name):
Uom = Pool().get('product.uom')
done = True
if not self.product:
return True
if self.product.type == 'service':
return True
skip_ids = set(x.id for x in self.moves_ignored)
skip_ids.update(x.id for x in self.moves_recreated)
quantity = self.quantity
for move in self.moves:
if move.state != 'done' \
and move.id not in skip_ids:
done = False
break
quantity -= Uom.compute_qty(move.uom, move.quantity, self.unit)
if done:
if quantity > 0.0:
done = False
return done
def get_move_exception(self, name):
skip_ids = set(x.id for x in self.moves_ignored)
skip_ids.update(x.id for x in self.moves_recreated)
for move in self.moves:
if move.state == 'cancel' \
and move.id not in skip_ids:
return True
return False
def _get_tax_rule_pattern(self):
'''
Get tax rule pattern
'''
return {}
def _get_context_sale_price(self):
context = {}
if getattr(self, 'sale', None):
if getattr(self.sale, 'currency', None):
context['currency'] = self.sale.currency.id
if getattr(self.sale, 'party', None):
context['customer'] = self.sale.party.id
if getattr(self.sale, 'sale_date', None):
context['sale_date'] = self.sale.sale_date
if self.unit:
context['uom'] = self.unit.id
else:
context['uom'] = self.product.sale_uom.id
return context
@fields.depends('product', 'unit', 'quantity', 'description',
'_parent_sale.party', '_parent_sale.currency',
'_parent_sale.sale_date')
def on_change_product(self):
Product = Pool().get('product.product')
if not self.product:
return
party = None
party_context = {}
if self.sale and self.sale.party:
party = self.sale.party
if party.lang:
party_context['language'] = party.lang.code
category = self.product.sale_uom.category
if not self.unit or self.unit not in category.uoms:
self.unit = self.product.sale_uom
self.unit_digits = self.product.sale_uom.digits
with Transaction().set_context(self._get_context_sale_price()):
self.unit_price = Product.get_sale_price([self.product],
self.quantity or 0)[self.product.id]
if self.unit_price:
self.unit_price = self.unit_price.quantize(
Decimal(1) / 10 ** self.__class__.unit_price.digits[1])
taxes = []
pattern = self._get_tax_rule_pattern()
for tax in self.product.customer_taxes_used:
if party and party.customer_tax_rule:
tax_ids = party.customer_tax_rule.apply(tax, pattern)
if tax_ids:
taxes.extend(tax_ids)
continue
taxes.append(tax.id)
if party and party.customer_tax_rule:
tax_ids = party.customer_tax_rule.apply(None, pattern)
if tax_ids:
taxes.extend(tax_ids)
self.taxes = taxes
if not self.description:
with Transaction().set_context(party_context):
self.description = Product(self.product.id).rec_name
self.type = 'line'
self.amount = self.on_change_with_amount()
@fields.depends('product')
def on_change_with_product_uom_category(self, name=None):
if self.product:
return self.product.default_uom_category.id
@fields.depends('product', 'quantity', 'unit',
'_parent_sale.currency', '_parent_sale.party',
'_parent_sale.sale_date')
def on_change_quantity(self):
Product = Pool().get('product.product')
if not self.product:
return
with Transaction().set_context(
self._get_context_sale_price()):
self.unit_price = Product.get_sale_price([self.product],
self.quantity or 0)[self.product.id]
if self.unit_price:
self.unit_price = self.unit_price.quantize(
Decimal(1) / 10 ** self.__class__.unit_price.digits[1])
@fields.depends('product', 'quantity', 'unit',
'_parent_sale.currency', '_parent_sale.party',
'_parent_sale.sale_date')
def on_change_unit(self):
return self.on_change_quantity()
@fields.depends('type', 'quantity', 'unit_price', 'unit',
'_parent_sale.currency')
def on_change_with_amount(self):
if self.type == 'line':
currency = self.sale.currency if self.sale else None
amount = Decimal(str(self.quantity or '0.0')) * \
(self.unit_price or Decimal('0.0'))
if currency:
return currency.round(amount)
return amount
return Decimal('0.0')
def get_amount(self, name):
if self.type == 'line':
return self.on_change_with_amount()
elif self.type == 'subtotal':
amount = Decimal('0.0')
for line2 in self.sale.lines:
if line2.type == 'line':
amount += line2.sale.currency.round(
Decimal(str(line2.quantity)) * line2.unit_price)
elif line2.type == 'subtotal':
if self == line2:
break
amount = Decimal('0.0')
return amount
return Decimal('0.0')
def get_warehouse(self, name):
return self.sale.warehouse.id if self.sale.warehouse else None
def get_from_location(self, name):
if self.quantity >= 0:
if self.warehouse:
return self.warehouse.output_location.id
else:
return self.sale.party.customer_location.id
def get_to_location(self, name):
if self.quantity >= 0:
return self.sale.party.customer_location.id
else:
if self.warehouse:
return self.warehouse.input_location.id
@fields.depends('product', 'quantity', '_parent_sale.sale_date')
def on_change_with_delivery_date(self, name=None):
if self.product and self.quantity > 0:
date = self.sale.sale_date if self.sale else None
return self.product.compute_delivery_date(date=date)
def get_invoice_line(self, invoice_type):
'''
Return a list of invoice lines for sale line according to invoice_type
'''
pool = Pool()
Uom = pool.get('product.uom')
Property = pool.get('ir.property')
InvoiceLine = pool.get('account.invoice.line')
invoice_line = InvoiceLine()
invoice_line.type = self.type
invoice_line.description = self.description
invoice_line.note = self.note
invoice_line.origin = self
if self.type != 'line':
if (self.sale.invoice_method == 'order'
and not self.invoice_lines
and ((all(l.quantity >= 0 for l in self.sale.lines
if l.type == 'line')
and invoice_type == 'out_invoice')
or (all(l.quantity <= 0 for l in self.sale.lines
if l.type == 'line')
and invoice_type == 'out_credit_note'))):
return [invoice_line]
else:
return []
if (invoice_type == 'out_invoice') != (self.quantity >= 0):
return []
stock_moves = []
if (self.sale.invoice_method == 'order'
or not self.product
or self.product.type == 'service'):
quantity = abs(self.quantity)
stock_moves = self.moves
else:
quantity = 0.0
for move in self.moves:
if move.state == 'done':
quantity += Uom.compute_qty(move.uom, move.quantity,
self.unit)
if move.invoiced_quantity < move.quantity:
stock_moves.append(move)
if self.sale.shipment_method == 'order':
invoice_line.stock_moves = stock_moves
skip_ids = set(l.id for i in self.sale.invoices_recreated
for l in i.lines)
for old_invoice_line in self.invoice_lines:
if old_invoice_line.type != 'line':
continue
if old_invoice_line.id not in skip_ids:
quantity -= Uom.compute_qty(old_invoice_line.unit,
old_invoice_line.quantity, self.unit)
rounding = self.unit.rounding if self.unit else 0.01
invoice_line.quantity = Uom.round(quantity, rounding)
if invoice_line.quantity <= 0:
return []
invoice_line.unit = self.unit
invoice_line.product = self.product
invoice_line.unit_price = self.unit_price
invoice_line.taxes = self.taxes
invoice_line.invoice_type = invoice_type
if self.product:
invoice_line.account = self.product.account_revenue_used
if not invoice_line.account:
self.raise_user_error('missing_account_revenue', {
'sale': self.sale.rec_name,
'product': self.product.rec_name,
})
else:
for model in ('product.template', 'product.category'):
invoice_line.account = Property.get('account_revenue', model)
if invoice_line.account:
break
if not invoice_line.account:
self.raise_user_error('missing_account_revenue_property', {
'sale': self.sale.rec_name,
})
return [invoice_line]
@classmethod
def copy(cls, lines, default=None):
if default is None:
default = {}
default = default.copy()
default['moves'] = None
default['moves_ignored'] = None
default['moves_recreated'] = None
default['invoice_lines'] = None
return super(SaleLine, cls).copy(lines, default=default)
def get_move(self, shipment_type):
'''
Return moves for the sale line according to shipment_type
'''
pool = Pool()
Uom = pool.get('product.uom')
Move = pool.get('stock.move')
if self.type != 'line':
return
if not self.product:
return
if self.product.type == 'service':
return
if (shipment_type == 'out') != (self.quantity >= 0):
return
invoice_lines = []
if self.sale.shipment_method == 'order':
quantity = abs(self.quantity)
if self.sale.invoice_method == 'order':
invoice_lines = self.invoice_lines
else:
quantity = 0.0
for invoice_line in self.invoice_lines:
if invoice_line.invoice.state == 'paid':
quantity += Uom.compute_qty(invoice_line.unit,
invoice_line.quantity, self.unit)
if invoice_line.moved_quantity < invoice_line.quantity:
invoice_lines.append(invoice_line)
skip_ids = set(x.id for x in self.moves_recreated)
for move in self.moves:
if move.id not in skip_ids:
quantity -= Uom.compute_qty(move.uom, move.quantity,
self.unit)
quantity = Uom.round(quantity, self.unit.rounding)
if quantity <= 0:
return
if not self.sale.party.customer_location:
self.raise_user_error('customer_location_required', {
'sale': self.sale.rec_name,
'line': self.rec_name,
})
move = Move()
move.quantity = quantity
move.uom = self.unit
move.product = self.product
move.from_location = self.from_location
move.to_location = self.to_location
move.state = 'draft'
move.company = self.sale.company
move.unit_price = self.unit_price
move.currency = self.sale.currency
move.planned_date = self.delivery_date
move.invoice_lines = invoice_lines
move.origin = self
return move
class SaleLineTax(ModelSQL):
'Sale Line - Tax'
__name__ = 'sale.line-account.tax'
_table = 'sale_line_account_tax'
line = fields.Many2One('sale.line', 'Sale Line', ondelete='CASCADE',
select=True, required=True)
tax = fields.Many2One('account.tax', 'Tax', ondelete='RESTRICT',
select=True, required=True)
class SaleLineIgnoredMove(ModelSQL):
'Sale Line - Ignored Move'
__name__ = 'sale.line-ignored-stock.move'
_table = 'sale_line_moves_ignored_rel'
sale_line = fields.Many2One('sale.line', 'Sale Line', ondelete='CASCADE',
select=True, required=True)
move = fields.Many2One('stock.move', 'Move', ondelete='RESTRICT',
select=True, required=True)
class SaleLineRecreatedMove(ModelSQL):
'Sale Line - Recreated Move'
__name__ = 'sale.line-recreated-stock.move'
_table = 'sale_line_moves_recreated_rel'
sale_line = fields.Many2One('sale.line', 'Sale Line', ondelete='CASCADE',
select=True, required=True)
move = fields.Many2One('stock.move', 'Move', ondelete='RESTRICT',
select=True, required=True)
class SaleReport(CompanyReport):
__name__ = 'sale.sale'
class OpenCustomer(Wizard):
'Open Customers'
__name__ = 'sale.open_customer'
start_state = 'open_'
open_ = StateAction('party.act_party_form')
def do_open_(self, action):
pool = Pool()
ModelData = pool.get('ir.model.data')
Wizard = pool.get('ir.action.wizard')
Sale = pool.get('sale.sale')
cursor = Transaction().cursor
sale = Sale.__table__()
cursor.execute(*sale.select(sale.party, group_by=sale.party))
customer_ids = [line[0] for line in Transaction().cursor.fetchall()]
action['pyson_domain'] = PYSONEncoder().encode(
[('id', 'in', customer_ids)])
model_data, = ModelData.search([
('fs_id', '=', 'act_open_customer'),
('module', '=', 'sale'),
], limit=1)
wizard = Wizard(model_data.db_id)
action['name'] = wizard.name
return action, {}
def transition_open_(self):
return 'end'
class HandleShipmentExceptionAsk(ModelView):
'Handle Shipment Exception'
__name__ = 'sale.handle.shipment.exception.ask'
recreate_moves = fields.Many2Many(
'stock.move', None, None, 'Recreate Moves',
domain=[('id', 'in', Eval('domain_moves'))], depends=['domain_moves'])
domain_moves = fields.Many2Many(
'stock.move', None, None, 'Domain Moves')
@classmethod
def __register__(cls, module_name):
cursor = Transaction().cursor
model = Table('ir_model')
# Migration from 1.2: packing renamed into shipment
cursor.execute(*model.update(
columns=[model.model],
values=[Overlay(model.model, 'shipment',
Position('packing', model.model),
len('packing'))],
where=model.model.like('%packing%')
& (model.module == module_name)))
super(HandleShipmentExceptionAsk, cls).__register__(module_name)
class HandleShipmentException(Wizard):
'Handle Shipment Exception'
__name__ = 'sale.handle.shipment.exception'
start_state = 'ask'
ask = StateView('sale.handle.shipment.exception.ask',
'sale.handle_shipment_exception_ask_view_form', [
Button('Cancel', 'end', 'tryton-cancel'),
Button('Ok', 'handle', 'tryton-ok', default=True),
])
handle = StateTransition()
def default_ask(self, fields):
Sale = Pool().get('sale.sale')
sale = Sale(Transaction().context.get('active_id'))
moves = []
for line in sale.lines:
skips = set(line.moves_ignored)
skips.update(line.moves_recreated)
for move in line.moves:
if move.state == 'cancel' and move not in skips:
moves.append(move.id)
return {
'recreate_moves': moves,
'domain_moves': moves,
}
def transition_handle(self):
pool = Pool()
Sale = pool.get('sale.sale')
SaleLine = pool.get('sale.line')
sale = Sale(Transaction().context['active_id'])
for line in sale.lines:
moves_ignored = []
moves_recreated = []
skips = set(line.moves_ignored)
skips.update(line.moves_recreated)
for move in line.moves:
if move not in self.ask.domain_moves or move in skips:
continue
if move in self.ask.recreate_moves:
moves_recreated.append(move.id)
else:
moves_ignored.append(move.id)
SaleLine.write([line], {
'moves_ignored': [('add', moves_ignored)],
'moves_recreated': [('add', moves_recreated)],
})
Sale.process([sale])
return 'end'
class HandleInvoiceExceptionAsk(ModelView):
'Handle Invoice Exception'
__name__ = 'sale.handle.invoice.exception.ask'
recreate_invoices = fields.Many2Many(
'account.invoice', None, None, 'Recreate Invoices',
domain=[('id', 'in', Eval('domain_invoices'))],
depends=['domain_invoices'],
help='The selected invoices will be recreated. '
'The other ones will be ignored.')
domain_invoices = fields.Many2Many(
'account.invoice', None, None, 'Domain Invoices')
class HandleInvoiceException(Wizard):
'Handle Invoice Exception'
__name__ = 'sale.handle.invoice.exception'
start_state = 'ask'
ask = StateView('sale.handle.invoice.exception.ask',
'sale.handle_invoice_exception_ask_view_form', [
Button('Cancel', 'end', 'tryton-cancel'),
Button('Ok', 'handle', 'tryton-ok', default=True),
])
handle = StateTransition()
def default_ask(self, fields):
Sale = Pool().get('sale.sale')
sale = Sale(Transaction().context['active_id'])
skips = set(sale.invoices_ignored)
skips.update(sale.invoices_recreated)
invoices = []
for invoice in sale.invoices:
if invoice.state == 'cancel' and invoice not in skips:
invoices.append(invoice.id)
return {
'recreate_invoices': invoices,
'domain_invoices': invoices,
}
def transition_handle(self):
Sale = Pool().get('sale.sale')
sale = Sale(Transaction().context['active_id'])
skips = set(sale.invoices_ignored)
skips.update(sale.invoices_recreated)
invoices_ignored = []
invoices_recreated = []
for invoice in sale.invoices:
if invoice not in self.ask.domain_invoices or invoice in skips:
continue
if invoice in self.ask.recreate_invoices:
invoices_recreated.append(invoice.id)
else:
invoices_ignored.append(invoice.id)
Sale.write([sale], {
'invoices_ignored': [('add', invoices_ignored)],
'invoices_recreated': [('add', invoices_recreated)],
})
Sale.process([sale])
return 'end'
class ReturnSaleStart(ModelView):
'Return Sale'
__name__ = 'sale.return_sale.start'
class ReturnSale(Wizard):
'Return Sale'
__name__ = 'sale.return_sale'
start = StateView('sale.return_sale.start',
'sale.return_sale_start_view_form', [
Button('Cancel', 'end', 'tryton-cancel'),
Button('Return', 'return_', 'tryton-ok', default=True),
])
return_ = StateAction('sale.act_sale_form')
def do_return_(self, action):
Sale = Pool().get('sale.sale')
sales = Sale.browse(Transaction().context['active_ids'])
return_sales = Sale.copy(sales)
for sale in return_sales:
for line in sale.lines:
if line.type == 'line':
line.quantity *= -1
line.save()
data = {'res_id': [s.id for s in return_sales]}
if len(return_sales) == 1:
action['views'].reverse()
return action, data