/usr/lib/python2.7/dist-packages/trytond/modules/account_dunning_letter/dunning.py is in tryton-modules-account-dunning-letter 3.4.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#this repository contains the full copyright notices and license terms.
from operator import attrgetter
from itertools import groupby, chain
from trytond.model import fields
from trytond.pool import PoolMeta
from trytond.wizard import StateAction
from trytond.modules.company import CompanyReport
from trytond.pool import Pool
from trytond.transaction import Transaction
from trytond.tools import grouped_slice
__all__ = ['Level', 'ProcessDunning', 'Letter']
__metaclass__ = PoolMeta
class Level:
__name__ = 'account.dunning.level'
print_on_letter = fields.Boolean('Print on Letter')
class ProcessDunning:
__name__ = 'account.dunning.process'
print_letter = StateAction('account_dunning_letter.report_letter')
@classmethod
def __setup__(cls):
super(ProcessDunning, cls).__setup__()
cls._actions.append('print_letter')
def do_print_letter(self, action):
# TODO return None if nothing to print
return action, {
'id': Transaction().context['active_id'],
'ids': Transaction().context['active_ids'],
}
def transition_print_letter(self):
return self.next_state('print_letter')
class Letter(CompanyReport):
__name__ = 'account.dunning.letter'
@classmethod
def parse(cls, report, records, data, localcontext):
pool = Pool()
Date = pool.get('ir.date')
dunnings = [d for d in records
if d.state == 'done'
and not d.blocked
and d.party
and d.level.print_on_letter]
parties = list(set((d.party for d in dunnings)))
payments = cls.get_pending_payments(parties)
key = attrgetter('party')
dunnings.sort(key=key)
dunnings = groupby(dunnings, key)
PartyLetter = cls.get_party_letter()
letters = {}
for party, current_dunnings in dunnings:
current_dunnings = list(current_dunnings)
dunning_amount = sum((d.amount for d in current_dunnings))
current_payments = list(payments.get(party, []))
payment_amount = sum((l.credit - l.debit
for l in current_payments))
if dunning_amount <= payment_amount:
continue
letters[party] = PartyLetter(dunnings=current_dunnings,
payments=current_payments)
localcontext['letters'] = letters
localcontext['today'] = Date.today()
localcontext['get_payment_amount'] = cls.get_payment_amount
localcontext['get_payment_currency'] = cls.get_payment_currency
return super(Letter, cls).parse(report, records, data, localcontext)
@staticmethod
def get_party_letter():
class PartyLetter(object):
def __init__(self, dunnings, payments):
self.dunnings = dunnings
self.payments = payments
def highest_levels(self):
'Yield each procedure and the highest level'
key = attrgetter('procedure')
dunnings = sorted(self.dunnings, key=key)
for procedure, dunnings in groupby(dunnings, key):
i = 0
for dunning in dunnings:
i = max(i, procedure.levels.index(dunning.level))
yield procedure, procedure.levels[i]
return PartyLetter
@staticmethod
def get_pending_payments(parties):
"""
Return a dictionary with party as key and the list of pending payments
as value.
"""
pool = Pool()
Line = pool.get('account.move.line')
payments = []
for sub_parties in grouped_slice(parties):
payments.append(Line.search([
('account.kind', '=', 'receivable'),
['OR',
('debit', '<', 0),
('credit', '>', 0),
],
('party', 'in', [p.id for p in sub_parties]),
('reconciliation', '=', None),
],
order=[('party', 'ASC'), ('id', 'ASC')]))
payments = list(chain(*payments))
return dict((party, list(payments))
for party, payments in groupby(payments, attrgetter('party')))
@staticmethod
def get_payment_amount(payment):
if payment.amount_second_currency:
return payment.amount_second_currency.copy_sign(
payment.credit - payment.debit)
else:
return payment.credit - payment.debit
@staticmethod
def get_payment_currency(payment):
if payment.amount_second_currency:
return payment.second_currency
else:
return payment.account.company.currency
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