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# -*- coding: utf-8 -*-
##############################################################################
#
# Author: Nicolas Bessi
# Copyright 2012 Camptocamp SA
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
##############################################################################
from datetime import datetime
import operator
from openerp.osv.orm import Model, fields
from openerp.tools.translate import _
from openerp.addons.account_credit_control import run
class AccountAccount(Model):
"""Add a link to a credit control policy on account account"""
def _check_account_type_compatibility(self, cursor, uid, acc_ids, context=None):
"""We check that account is of type reconcile"""
if not isinstance(acc_ids, list):
acc_ids = [acc_ids]
for acc in self.browse(cursor, uid, acc_ids, context):
if acc.credit_policy_id and not acc.reconcile:
return False
return True
_inherit = "account.account"
_description = """Add a link to a credit policy"""
_columns = {'credit_policy_id': fields.many2one('credit.control.policy',
'Credit control policy',
help=("Define global credit policy"
"order is account partner invoice")),
'credit_control_line_ids': fields.one2many('credit.control.line',
'account_id',
string='Credit Lines',
readonly=True)}
_constraints = [(_check_account_type_compatibility,
_('You can not set a credit policy on a non reconciliable account'),
['credit_policy_id'])]
class AccountInvoice(Model):
"""Add a link to a credit control policy on account account"""
_inherit = "account.invoice"
_description = """Add a link to a credit policy"""
_columns = {'credit_policy_id': fields.many2one('credit.control.policy',
'Credit control policy',
help=("Define global credit policy"
"order is account partner invoice")),
'credit_control_line_ids': fields.one2many('credit.control.line',
'account_id',
string='Credit Lines',
readonly=True)}
def action_move_create(self, cursor, uid, ids, context=None):
"""We ensure writing of invoice id in move line because
Trigger field may not work without account_voucher addon"""
res = super(AccountInvoice, self).action_move_create(cursor, uid, ids, context=context)
for inv in self.browse(cursor, uid, ids, context=context):
if inv.move_id:
for line in inv.move_id.line_id:
line.write({'invoice_id': inv.id})
return res
class AccountMoveLine(Model):
"""Add a function that compute the residual amount using a follow up date
Add relation between move line and invoicex"""
_inherit = "account.move.line"
# Store fields has strange behavior with voucher module we had to overwrite invoice
# def _invoice_id(self, cursor, user, ids, name, arg, context=None):
# #Code taken from OpenERP account addon
# invoice_obj = self.pool.get('account.invoice')
# res = {}
# for line_id in ids:
# res[line_id] = False
# cursor.execute('SELECT l.id, i.id ' \
# 'FROM account_move_line l, account_invoice i ' \
# 'WHERE l.move_id = i.move_id ' \
# 'AND l.id IN %s',
# (tuple(ids),))
# invoice_ids = []
# for line_id, invoice_id in cursor.fetchall():
# res[line_id] = invoice_id
# invoice_ids.append(invoice_id)
# invoice_names = {False: ''}
# for invoice_id, name in invoice_obj.name_get(cursor, user, invoice_ids, context=context):
# invoice_names[invoice_id] = name
# for line_id in res.keys():
# invoice_id = res[line_id]
# res[line_id] = (invoice_id, invoice_names[invoice_id])
# return res
# def _get_invoice(self, cursor, uid, ids, context=None):
# result = set()
# for line in self.pool.get('account.invoice').browse(cursor, uid, ids, context=context):
# if line.move_id:
# ids = [x.id for x in line.move_id.line_id or []]
# return list(result)
# _columns = {'invoice_id': fields.function(_invoice_id, string='Invoice',
# type='many2one', relation='account.invoice',
# store={'account.invoice': (_get_invoice, ['move_id'], 20)})}
_columns = {'invoice_id': fields.many2one('account.invoice', 'Invoice')}
def _get_payment_and_credit_lines(self, moveline_array, lookup_date):
credit_lines = []
payment_lines = []
for line in moveline_array:
if self._should_exlude_line(line):
continue
if line.account_id.type == 'receivable' and line.debit:
credit_lines.append(line)
else:
if line.reconcile_partial_id:
payment_lines.append(line)
credit_lines.sort(key=operator.attrgetter('date'))
payment_lines.sort(key=operator.attrgetter('date'))
return (credit_lines, payment_lines)
def _validate_line_currencies(self, credit_lines):
"""Raise an excpetion if there is lines with different currency"""
if len(credit_lines) == 0:
return True
currency = credit_lines[0].currency_id.id
if not all(obj.currency_id.id == currency for obj in credit_lines):
raise Exception('Not all line of move line are in the same currency')
def _get_value_amount(self, mv_line_br):
if mv_line_br.currency_id:
return mv_line_br.amount_currency
else:
return mv_line_br.debit - mv_line_br.credit
def _validate_partial(self, credit_lines):
if len(credit_lines) == 0:
return True
else:
line_with_partial = 0
for line in credit_lines:
if not line.reconcile_partial_id:
line_with_partial += 1
if line_with_partial and line_with_partial != len(credit_lines):
raise Exception('Can not compute credit line if multiple'
' lines are not all linked to a partial')
def _get_applicable_payment_lines(self, credit_line, payment_lines):
applicable_payment = []
for pay_line in payment_lines:
if datetime.strptime(pay_line.date, "%Y-%m-%d").date() \
<= datetime.strptime(credit_line.date, "%Y-%m-%d").date():
applicable_payment.append(pay_line)
return applicable_payment
def _compute_partial_reconcile_residual(self, move_lines, lookup_date, move_id, memoizer):
""" Compute open amount of multiple credit lines linked to multiple payment lines"""
credit_lines, payment_lines = self._get_payment_and_credit_lines(move_lines, lookup_date, memoizer)
self._validate_line_currencies(credit_lines)
self._validate_line_currencies(payment_lines)
self._validate_partial(credit_lines)
# memoizer structure move_id : {move_line_id: open_amount}
# paymnent line and credit line are sorted by date
rest = 0.0
for credit_line in credit_lines:
applicable_payment = self._get_applicable_payment_lines(credit_line, payment_lines)
paid_amount = 0.0
for pay_line in applicable_payment:
paid_amount += self._get_value_amount(pay_line)
balance_amount = self._get_value_amount(credit_lines) - (paid_amount + rest)
memoizer[move_id][credit_line.id] = balance_amount
if balance_amount < 0.0:
rest = balance_amount
else:
rest = 0.0
return memoizer
def _compute_fully_open_amount(self, move_lines, lookup_date, move_id, memoizer):
for move_line in move_lines:
memoizer[move_id][move_line.id] = self._get_value_amount(move_line)
return memoizer
def _amount_residual_from_date(self, cursor, uid, mv_line_br, lookup_date, context=None):
"""
Code from function _amount_residual of account/account_move_line.py does not take
in account mulitple line payment and reconciliation. We have to rewrite it
Code computes residual amount at lookup date for mv_line_br in entry
"""
memoizer = run.memoizers['credit_line_residuals']
move_id = mv_line_br.move_id.id
if mv_line_br.move_id.id in memoizer:
pass # get back value
else:
memoizer[move_id] = {}
move_lines = mv_line_br.move_id.line_id
if mv_line_br.reconcile_partial_id:
self._compute_partial_reconcile_residual(move_lines, lookup_date, move_id, memoizer)
else:
self._compute_fully_open_amount(move_lines, lookup_date, move_id, memoizer)
return memoizer[move_id][mv_line_br.id]
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