252 lines
11 KiB
Python
252 lines
11 KiB
Python
# -*- coding: utf-8 -*-
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##############################################################################
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#
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# OpenERP, Open Source Management Solution
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# Copyright (C) 2004-2010 Tiny SPRL (<http://tiny.be>).
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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##############################################################################
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import time
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from osv import osv, fields
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from tools.translate import _
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class account_automatic_reconcile(osv.osv_memory):
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_name = 'account.automatic.reconcile'
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_description = 'Automatic Reconcile'
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_columns = {
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'account_ids': fields.many2many('account.account', 'reconcile_account_rel', 'reconcile_id', 'account_id', 'Accounts to Reconcile', domain = [('reconcile','=',1)],),
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'writeoff_acc_id': fields.many2one('account.account', 'Account'),
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'journal_id': fields.many2one('account.journal', 'Journal'),
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'period_id': fields.many2one('account.period', 'Period'),
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'max_amount': fields.float('Maximum write-off amount'),
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'power': fields.selection([(p, str(p)) for p in range(2, 5)], 'Power', required=True, help='Number of partial amounts that can be combined to find a balance point can be chosen as the power of the automatic reconciliation'),
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'reconciled': fields.integer('Reconciled transactions', readonly=True),
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'unreconciled': fields.integer('Not reconciled transactions', readonly=True),
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'allow_write_off': fields.boolean('Allow write off')
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}
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def _get_reconciled(self, cr, uid, context=None):
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if context is None:
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context = {}
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return context.get('reconciled', 0)
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def _get_unreconciled(self, cr, uid, context=None):
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if context is None:
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context = {}
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return context.get('unreconciled', 0)
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_defaults = {
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'reconciled': _get_reconciled,
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'unreconciled': _get_unreconciled,
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'power': 2
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}
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#TODO: cleanup and comment this code... For now, it is awfulllll
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# (way too complex, and really slow)...
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def do_reconcile(self, cr, uid, credits, debits, max_amount, power, writeoff_acc_id, period_id, journal_id, context=None):
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# for one value of a credit, check all debits, and combination of them
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# depending on the power. It starts with a power of one and goes up
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# to the max power allowed
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move_line_obj = self.pool.get('account.move.line')
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if context is None:
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context = {}
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def check2(value, move_list, power):
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def check(value, move_list, power):
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for i in range(len(move_list)):
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move = move_list[i]
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if power == 1:
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if abs(value - move[1]) <= max_amount + 0.00001:
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return [move[0]]
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else:
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del move_list[i]
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res = check(value - move[1], move_list, power-1)
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move_list[i:i] = [move]
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if res:
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res.append(move[0])
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return res
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return False
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for p in range(1, power+1):
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res = check(value, move_list, p)
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if res:
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return res
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return False
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# for a list of credit and debit and a given power, check if there
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# are matching tuples of credit and debits, check all debits, and combination of them
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# depending on the power. It starts with a power of one and goes up
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# to the max power allowed
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def check4(list1, list2, power):
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def check3(value, list1, list2, list1power, power):
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for i in range(len(list1)):
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move = list1[i]
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if list1power == 1:
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res = check2(value + move[1], list2, power - 1)
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if res:
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return ([move[0]], res)
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else:
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del list1[i]
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res = check3(value + move[1], list1, list2, list1power-1, power-1)
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list1[i:i] = [move]
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if res:
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x, y = res
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x.append(move[0])
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return (x, y)
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return False
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for p in range(1, power):
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res = check3(0, list1, list2, p, power)
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if res:
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return res
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return False
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def check5(list1, list2, max_power):
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for p in range(2, max_power+1):
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res = check4(list1, list2, p)
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if res:
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return res
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ok = True
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reconciled = 0
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while credits and debits and ok:
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res = check5(credits, debits, power)
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if res:
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move_line_obj.reconcile(cr, uid, res[0] + res[1], 'auto', writeoff_acc_id, period_id, journal_id, context)
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reconciled += len(res[0]) + len(res[1])
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credits = [(id, credit) for (id, credit) in credits if id not in res[0]]
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debits = [(id, debit) for (id, debit) in debits if id not in res[1]]
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else:
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ok = False
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return (reconciled, len(credits)+len(debits))
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def reconcile(self, cr, uid, ids, context=None):
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move_line_obj = self.pool.get('account.move.line')
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obj_model = self.pool.get('ir.model.data')
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if context is None:
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context = {}
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form = self.browse(cr, uid, ids, context=context)[0]
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max_amount = form.max_amount or 0.0
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power = form.power
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allow_write_off = form.allow_write_off
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reconciled = unreconciled = 0
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if not form.account_ids:
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raise osv.except_osv(_('User Error!'), _('You must select accounts to reconcile.'))
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for account_id in form.account_ids:
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params = (account_id.id,)
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if not allow_write_off:
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query = """SELECT partner_id FROM account_move_line WHERE account_id=%s AND reconcile_id IS NULL
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AND state <> 'draft' GROUP BY partner_id
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HAVING ABS(SUM(debit-credit)) = 0.0 AND count(*)>0"""
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else:
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query = """SELECT partner_id FROM account_move_line WHERE account_id=%s AND reconcile_id IS NULL
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AND state <> 'draft' GROUP BY partner_id
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HAVING ABS(SUM(debit-credit)) < %s AND count(*)>0"""
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params += (max_amount,)
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# reconcile automatically all transactions from partners whose balance is 0
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cr.execute(query, params)
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partner_ids = [id for (id,) in cr.fetchall()]
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for partner_id in partner_ids:
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cr.execute(
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"SELECT id " \
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"FROM account_move_line " \
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"WHERE account_id=%s " \
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"AND partner_id=%s " \
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"AND state <> 'draft' " \
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"AND reconcile_id IS NULL",
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(account_id.id, partner_id))
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line_ids = [id for (id,) in cr.fetchall()]
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if line_ids:
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reconciled += len(line_ids)
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if allow_write_off:
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move_line_obj.reconcile(cr, uid, line_ids, 'auto', form.writeoff_acc_id.id, form.period_id.id, form.journal_id.id, context)
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else:
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move_line_obj.reconcile_partial(cr, uid, line_ids, 'manual', context=context)
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# get the list of partners who have more than one unreconciled transaction
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cr.execute(
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"SELECT partner_id " \
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"FROM account_move_line " \
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"WHERE account_id=%s " \
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"AND reconcile_id IS NULL " \
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"AND state <> 'draft' " \
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"AND partner_id IS NOT NULL " \
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"GROUP BY partner_id " \
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"HAVING count(*)>1",
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(account_id.id,))
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partner_ids = [id for (id,) in cr.fetchall()]
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#filter?
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for partner_id in partner_ids:
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# get the list of unreconciled 'debit transactions' for this partner
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cr.execute(
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"SELECT id, debit " \
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"FROM account_move_line " \
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"WHERE account_id=%s " \
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"AND partner_id=%s " \
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"AND reconcile_id IS NULL " \
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"AND state <> 'draft' " \
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"AND debit > 0 " \
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"ORDER BY date_maturity",
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(account_id.id, partner_id))
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debits = cr.fetchall()
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# get the list of unreconciled 'credit transactions' for this partner
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cr.execute(
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"SELECT id, credit " \
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"FROM account_move_line " \
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"WHERE account_id=%s " \
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"AND partner_id=%s " \
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"AND reconcile_id IS NULL " \
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"AND state <> 'draft' " \
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"AND credit > 0 " \
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"ORDER BY date_maturity",
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(account_id.id, partner_id))
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credits = cr.fetchall()
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(rec, unrec) = self.do_reconcile(cr, uid, credits, debits, max_amount, power, form.writeoff_acc_id.id, form.period_id.id, form.journal_id.id, context)
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reconciled += rec
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unreconciled += unrec
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# add the number of transactions for partners who have only one
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# unreconciled transactions to the unreconciled count
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partner_filter = partner_ids and 'AND partner_id not in (%s)' % ','.join(map(str, filter(None, partner_ids))) or ''
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cr.execute(
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"SELECT count(*) " \
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"FROM account_move_line " \
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"WHERE account_id=%s " \
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"AND reconcile_id IS NULL " \
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"AND state <> 'draft' " + partner_filter,
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(account_id.id,))
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additional_unrec = cr.fetchone()[0]
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unreconciled = unreconciled + additional_unrec
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context.update({'reconciled': reconciled, 'unreconciled': unreconciled})
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model_data_ids = obj_model.search(cr,uid,[('model','=','ir.ui.view'),('name','=','account_automatic_reconcile_view1')])
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resource_id = obj_model.read(cr, uid, model_data_ids, fields=['res_id'])[0]['res_id']
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return {
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'view_type': 'form',
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'view_mode': 'form',
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'res_model': 'account.automatic.reconcile',
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'views': [(resource_id,'form')],
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'type': 'ir.actions.act_window',
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'target': 'new',
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'context': context,
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}
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account_automatic_reconcile()
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# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
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