421 lines
15 KiB
Python
421 lines
15 KiB
Python
# This file is part of the sale_payment module for Tryton.
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# The COPYRIGHT file at the top level of this repository contains the full
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# copyright notices and license terms.
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from decimal import Decimal
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from sql import For, Literal
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from sql.operators import And
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from sql.aggregate import Sum
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from sql.conditionals import Coalesce
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from trytond.model import ModelView, fields
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from trytond.pool import PoolMeta, Pool
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from trytond.pyson import Bool, Eval, Not
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from trytond.transaction import Transaction
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from trytond.wizard import Wizard, StateView, StateTransition, Button
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from trytond.i18n import gettext
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from trytond.exceptions import UserError
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from trytond.modules.currency.fields import Monetary
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__all__ = ['Sale', 'SalePaymentForm', 'WizardSalePayment',
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'WizardSaleReconcile']
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class Sale(metaclass=PoolMeta):
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__name__ = 'sale.sale'
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payments = fields.One2Many('account.statement.line', 'sale', 'Payments')
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paid_amount = fields.Function(fields.Numeric('Paid Amount', readonly=True),
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'get_paid_amount')
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residual_amount = fields.Function(fields.Numeric('Residual Amount'),
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'get_residual_amount',
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searcher='search_residual_amount')
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sale_device = fields.Many2One('sale.device', 'Sale Device',
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domain=[('shop', '=', Eval('shop'))],
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depends=['shop'], states={
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'readonly': Eval('state') != 'draft',
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})
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@classmethod
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def __setup__(cls):
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super(Sale, cls).__setup__()
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cls._buttons.update({
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'wizard_sale_payment': {
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'invisible': Eval('state') == 'done',
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'readonly': Not(Bool(Eval('lines'))),
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},
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'wizard_change_payment_method': {},
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})
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@staticmethod
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def default_sale_device():
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User = Pool().get('res.user')
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user = User(Transaction().user)
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return user.sale_device and user.sale_device.id or None
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def set_basic_values_to_invoice(self, invoice):
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pool = Pool()
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Date = pool.get('ir.date')
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today = Date.today()
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if not getattr(invoice, 'invoice_date', False):
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invoice.invoice_date = today
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if not getattr(invoice, 'accounting_date', False):
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invoice.accounting_date = today
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invoice.description = self.reference
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@classmethod
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def set_invoices_to_be_posted(cls, sales):
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pool = Pool()
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Invoice = pool.get('account.invoice')
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invoices = []
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to_post = set()
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for sale in sales:
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grouping = getattr(sale.party, 'sale_invoice_grouping_method',
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False)
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if Transaction().context.get('skip_grouping', False):
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grouping = None
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if getattr(sale, 'invoices', None) and not grouping:
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for invoice in sale.invoices:
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if not invoice.state == 'draft':
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continue
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sale.set_basic_values_to_invoice(invoice)
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invoices.extend(([invoice], invoice._save_values()))
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to_post.add(invoice)
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if to_post:
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Invoice.write(*invoices)
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return list(to_post)
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@classmethod
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@ModelView.button
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def process(cls, sales):
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states = {'confirmed', 'processing', 'done'}
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sales = [s for s in sales if s.state in states]
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cls._process_invoice(sales)
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cls._process_shipment(sales)
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cls._process_invoice_shipment_states(sales)
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cls._process_state(sales)
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@classmethod
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def workflow_to_end(cls, sales):
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pool = Pool()
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StatementLine = pool.get('account.statement.line')
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Invoice = pool.get('account.invoice')
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for sale in sales:
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if sale.state == 'draft':
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cls.quote([sale])
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if sale.state == 'quotation':
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cls.confirm([sale])
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if sale.state == 'confirmed':
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cls.process([sale])
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if not sale.invoices and sale.invoice_method == 'order':
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raise UserError(
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gettext(
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'sale_payment.not_customer_invoice',
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reference=sale.reference
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))
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to_post = cls.set_invoices_to_be_posted(sales)
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if to_post:
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with Transaction().set_context(_skip_warnings=True):
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Invoice.post(to_post)
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to_save = []
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to_do = []
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for sale in sales:
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posted_invoice = None
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for invoice in sale.invoices:
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if invoice.state == 'posted':
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posted_invoice = invoice
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break
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if posted_invoice:
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for payment in sale.payments:
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# Because of account_invoice_party_without_vat module
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# could be installed, invoice party may be different of
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# payment party if payment party has not any vat
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# and both parties must be the same
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if payment.party != invoice.party:
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payment.party = invoice.party
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payment.invoice = posted_invoice
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to_save.append(payment)
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if sale.is_done():
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to_do.append(sale)
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StatementLine.save(to_save)
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if to_do:
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cls.do(to_do)
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@classmethod
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def get_paid_amount(cls, sales, names):
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result = {n: {s.id: Decimal(0) for s in sales} for n in names}
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for name in names:
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for sale in sales:
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for payment in sale.payments:
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result[name][sale.id] += payment.amount
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return result
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@classmethod
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def get_residual_amount(cls, sales, name):
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return {s.id: s.total_amount - s.paid_amount if s.state != 'cancelled'
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else Decimal(0) for s in sales}
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@classmethod
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def search_residual_amount(cls, name, clause):
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pool = Pool()
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Sale = pool.get('sale.sale')
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StatementLine = pool.get('account.statement.line')
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sale = Sale.__table__()
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payline = StatementLine.__table__()
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Operator = fields.SQL_OPERATORS[clause[1]]
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value = clause[2]
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query = sale.join(
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payline,
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type_='LEFT',
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condition=(sale.id == payline.sale)
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).select(
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sale.id,
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where=(And([
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sale.total_amount_cache is not None,
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sale.state.in_([
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'draft',
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'quotation',
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'confirmed',
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'processing',
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'done'])])),
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group_by=(sale.id),
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having=(Operator(
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sale.total_amount_cache - Sum(
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Coalesce(payline.amount, 0)), value)
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))
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return [('id', 'in', query)]
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@classmethod
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@ModelView.button_action('sale_payment.wizard_sale_payment')
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def wizard_sale_payment(cls, sales):
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pass
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@classmethod
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@ModelView.button_action('sale_payment.wizard_sale_change_payment_method')
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def wizard_change_payment_method(cls, sales):
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pass
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@classmethod
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def copy(cls, sales, default=None):
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if default is None:
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default = {}
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default['payments'] = None
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return super(Sale, cls).copy(sales, default)
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class ChangePaymentMethodForm(ModelView):
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'Change Payments Method form'
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__name__ = 'sale.change_payment_method.form'
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sale = fields.Many2One('sale.sale', "Sale", required=True)
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statement = fields.Many2One('account.statement', 'Statement Journal',
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domain=[
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('id', 'in', Eval('statements', [])),
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], required=True)
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statements = fields.One2Many('account.statement', None,
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'Allowed Statement', readonly=True)
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payment = fields.Many2One(
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'account.statement.line', "Payment", required=True,
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domain=[('sale', '=', Eval('sale'))])
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class ChangePaymentMethod(Wizard):
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'Change Payments Method for the sale'
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__name__ = 'sale.change_payment_method'
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start = StateView('sale.change_payment_method.form',
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'sale_payment.sale_change_payment_method_view_form', [
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Button('Cancel', 'end', 'tryton-cancel'),
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Button('Modify', 'modify_payments_', 'tryton-ok',
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default=True),])
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modify_payments_ = StateTransition()
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def default_start(self, fields):
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pool = Pool()
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Sale = pool.get('sale.sale')
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User = pool.get('res.user')
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Statement = pool.get('account.statement')
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sale = Sale(Transaction().context['active_id'])
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user = User(Transaction().user)
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device = user.sale_device
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if device:
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journals = [j.id for j in device.journals]
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draft_statements = Statement.search([
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('journal', 'in', journals),
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('state', '=', 'draft'),
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], order=[
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('create_date', 'ASC'),
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])
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return {
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'sale': sale.id,
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'statements': [statement.id for statement in draft_statements],
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}
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def transition_modify_payments_(self):
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self.start.payment.statement = self.start.statement.id
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self.start.payment.save()
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return 'end'
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class SalePaymentForm(ModelView):
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'Sale Payment Form'
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__name__ = 'sale.payment.form'
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journal = fields.Many2One('account.statement.journal', 'Statement Journal',
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domain=[
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('id', 'in', Eval('journals', [])),
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],
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depends=['journals'], required=True)
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journals = fields.One2Many('account.statement.journal', None,
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'Allowed Statement Journals')
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payment_amount = Monetary('Payment amount', required=True,
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currency='currency', digits='currency')
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party = fields.Many2One('party.party', 'Party', readonly=True)
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currency = fields.Many2One('currency.currency', 'Currency', readonly=True)
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class WizardSalePayment(Wizard):
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'Wizard Sale Payment'
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__name__ = 'sale.payment'
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start = StateView('sale.payment.form',
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'sale_payment.sale_payment_view_form', [
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Button('Cancel', 'end', 'tryton-cancel'),
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Button('Pay', 'pay_', 'tryton-ok', default=True),
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])
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pay_ = StateTransition()
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def default_start(self, fields):
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pool = Pool()
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Sale = pool.get('sale.sale')
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User = pool.get('res.user')
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sale = Sale(Transaction().context['active_id'])
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user = User(Transaction().user)
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sale_device = sale.sale_device or user.sale_device or False
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if user.id != 0 and not sale_device:
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raise UserError(gettext('sale_payment.not_sale_device'))
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return {
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'journal': sale_device.journal.id
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if sale_device.journal else None,
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'journals': [j.id for j in sale_device.journals],
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'payment_amount': sale.total_amount - sale.paid_amount
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if sale.paid_amount else sale.total_amount,
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'currency': sale.currency and sale.currency.id,
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'party': sale.party.id,
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}
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def get_statement_line(self, sale):
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pool = Pool()
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Date = pool.get('ir.date')
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Sale = pool.get('sale.sale')
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Statement = pool.get('account.statement')
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StatementLine = pool.get('account.statement.line')
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form = self.start
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statements = Statement.search([
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('journal', '=', form.journal),
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('state', '=', 'draft'),
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], order=[('date', 'DESC')])
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if not statements:
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raise UserError(gettext('sale_payment.not_draft_statement',
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journal=form.journal.name))
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if not sale.number:
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Sale.set_number([sale])
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with Transaction().set_context(date=Date.today()):
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account = sale.party.account_receivable_used
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if not account:
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raise UserError(gettext(
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'sale_payment.party_without_account_receivable',
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party=sale.party.name))
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if form.payment_amount:
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return StatementLine(
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statement=statements[0],
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date=Date.today(),
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amount=form.payment_amount,
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party=sale.party,
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account=account,
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description=sale.number,
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sale=sale,
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)
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def transition_pay_(self):
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pool = Pool()
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Sale = pool.get('sale.sale')
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sale = Sale(Transaction().context['active_id'])
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transaction = Transaction()
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database = transaction.database
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connection = transaction.connection
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if database.has_select_for():
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table = Sale.__table__()
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query = table.select(
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Literal(1),
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where=(table.id == sale.id),
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for_=For('UPDATE', nowait=True))
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with connection.cursor() as cursor:
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cursor.execute(*query)
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else:
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Sale.lock()
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line = self.get_statement_line(sale)
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if line:
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line.save()
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if sale.total_amount != sale.paid_amount:
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return 'start'
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if sale.state not in ('draft', 'quotation', 'confirmed'):
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return 'end'
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sale.description = sale.reference
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sale.save()
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Sale.workflow_to_end([sale])
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return 'end'
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class WizardSaleReconcile(Wizard):
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'Reconcile Sales'
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__name__ = 'sale.reconcile'
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start = StateTransition()
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reconcile = StateTransition()
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def transition_start(self):
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pool = Pool()
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Sale = pool.get('sale.sale')
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Line = pool.get('account.move.line')
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for sale in Sale.browse(Transaction().context['active_ids']):
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account = sale.party.account_receivable
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lines = []
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amount = Decimal('0.0')
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for invoice in sale.invoices:
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for line in invoice.lines_to_pay:
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if not line.reconciliation:
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lines.append(line)
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amount += line.debit - line.credit
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for payment in sale.payments:
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if not payment.move:
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continue
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for line in payment.move.lines:
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if (not line.reconciliation and (
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line.account == account)):
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lines.append(line)
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amount += line.debit - line.credit
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if lines and amount == Decimal('0.0'):
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Line.reconcile(lines)
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return 'end'
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