Files
account-financial-tools/__unported__/account_credit_control/run.py

170 lines
7.3 KiB
Python

# -*- coding: utf-8 -*-
##############################################################################
#
# Author: Nicolas Bessi, Guewen Baconnier
# 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/>.
#
##############################################################################
import logging
from openerp.osv import orm, fields
from openerp.tools.translate import _
logger = logging.getLogger('credit.control.run')
class CreditControlRun(orm.Model):
"""Credit Control run generate all credit control lines and reject"""
_name = "credit.control.run"
_rec_name = 'date'
_description = """Credit control line generator"""
_columns = {
'date': fields.date('Controlling Date', required=True),
'policy_ids':
fields.many2many('credit.control.policy',
rel="credit_run_policy_rel",
id1='run_id', id2='policy_id',
string='Policies',
readonly=True,
states={'draft': [('readonly', False)]}),
'report': fields.text('Report', readonly=True),
'state': fields.selection([('draft', 'Draft'),
('done', 'Done')],
string='State',
required=True,
readonly=True),
'manual_ids':
fields.many2many('account.move.line',
rel="credit_runreject_rel",
string='Lines to handle manually',
help=('If a credit control line has been generated'
'on a policy and the policy has been changed '
'in the meantime, it has to be handled '
'manually'),
readonly=True),
}
def copy_data(self, cr, uid, id, default=None, context=None):
if default is None:
default = {}
else:
default = default.copy()
default.update({
'report': False,
'manual_ids': False,
})
return super(CreditControlRun, self).copy_data(
cr, uid, id, default=default, context=context)
def _get_policies(self, cr, uid, context=None):
return self.pool['credit.control.policy'].search(cr, uid, [], context=context)
_defaults = {'state': 'draft',
'policy_ids': _get_policies}
def _check_run_date(self, cr, uid, ids, controlling_date, context=None):
"""Ensure that there is no credit line in the future using controlling_date"""
run_obj = self.pool['credit.control.run']
runs = run_obj.search(cr, uid, [('date', '>', controlling_date)],
order='date DESC', limit=1, context=context)
if runs:
run = run_obj.browse(cr, uid, runs[0], context=context)
raise orm.except_orm(_('Error'),
_('A run has already been executed more '
'recently than %s') % (run.date))
line_obj = self.pool['credit.control.line']
lines = line_obj.search(cr, uid, [('date', '>', controlling_date)],
order='date DESC', limit=1, context=context)
if lines:
line = line_obj.browse(cr, uid, lines[0], context=context)
raise orm.except_orm(_('Error'),
_('A credit control line more '
'recent than %s exists at %s') %
(controlling_date, line.date))
return True
def _generate_credit_lines(self, cr, uid, run_id, context=None):
""" Generate credit control lines. """
cr_line_obj = self.pool.get('credit.control.line')
assert not (isinstance(run_id, list) and len(run_id) > 1), \
"run_id: only one id expected"
if isinstance(run_id, list):
run_id = run_id[0]
run = self.browse(cr, uid, run_id, context=context)
manually_managed_lines = set() # line who changed policy
credit_line_ids = [] # generated lines
run._check_run_date(run.date, context=context)
policies = run.policy_ids
if not policies:
raise orm.except_orm(_('Error'),
_('Please select a policy'))
report = ''
generated_ids = []
for policy in policies:
if policy.do_nothing:
continue
lines = policy._get_move_lines_to_process(run.date, context=context)
manual_lines = policy._lines_different_policy(lines, context=context)
lines.difference_update(manual_lines)
manually_managed_lines.update(manual_lines)
policy_generated_ids = []
if lines:
# policy levels are sorted by level so iteration is in the correct order
for level in reversed(policy.level_ids):
level_lines = level.get_level_lines(run.date, lines, context=context)
policy_generated_ids += cr_line_obj.create_or_update_from_mv_lines(
cr, uid, [], list(level_lines), level.id, run.date, context=context)
generated_ids.extend(policy_generated_ids)
if policy_generated_ids:
report += _("Policy \"%s\" has generated %d Credit Control Lines.\n") % \
(policy.name, len(policy_generated_ids))
credit_line_ids += policy_generated_ids
else:
report += _("Policy \"%s\" has not generated any Credit Control Lines.\n" %
policy.name)
vals = {'state': 'done',
'report': report,
'manual_ids': [(6, 0, manually_managed_lines)]}
run.write(vals, context=context)
return generated_ids
def generate_credit_lines(self, cr, uid, run_id, context=None):
"""Generate credit control lines
Lock the ``credit_control_run`` Postgres table to avoid concurrent
calls of this method.
"""
try:
cr.execute('SELECT id FROM credit_control_run'
' LIMIT 1 FOR UPDATE NOWAIT')
except Exception as exc:
# in case of exception openerp will do a rollback for us and free the lock
raise orm.except_orm(_('Error'),
_('A credit control run is already running'
' in background, please try later.'))
self._generate_credit_lines(cr, uid, run_id, context)
return True