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# -*- coding: utf-8 -*-
##############################################################################
#
# OpenERP, Open Source Management Solution
# Copyright (C) 2011 MSF, TeMPO consulting
#
# 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 osv import fields, osv
import decimal_precision as dp
from tools.translate import _
class account_move_compute_currency(osv.osv):
_inherit = "account.move"
def _book_amount_compute(self, cr, uid, ids, name, args, context=None):
"""
On the same model of the function defined in account>account.py,
we compute the booking amount
"""
if not ids: return {}
cr.execute( """SELECT move_id, SUM(debit_currency)
FROM account_move_line
WHERE move_id IN %s
GROUP BY move_id""", (tuple(ids),))
result = dict(cr.fetchall())
for id in ids:
result.setdefault(id, 0.0)
return result
def _get_currency(self, cr, uid, ids, fields, arg, context=None):
"""
get booking currency: we look at the currency_id of the first line
"""
if not context:
context = {}
res = {}
for move in self.pool.get('account.move').browse(cr, uid, ids, context=context):
res[move.id] = {}
if move.line_id:
line = move.line_id[0]
if line.currency_id:
res[move.id] = line.currency_id.id
else:
res[move.id] = False
return res
def _search_currency(self, cr, uid, obj, name, args, context=None):
"""
Search move in which lines have the given currency
"""
# Prepare some elements
newargs = []
if not context:
context = {}
if not args:
return newargs
sql_base = """
SELECT ml.id FROM account_move ml, account_move_line aml
WHERE aml.move_id = ml.id
AND aml.currency_id"""
for arg in args:
if args[0] and args[0][1] and args[0][1] in ['in', '='] and args[0][2]:
# create SQL request
sql = sql_base + ' in %s\nGROUP BY ml.id'
second = args[0][2]
# execute it and fetch result
if isinstance(second, (int, long)):
second = [second]
cr.execute(sql, (tuple(second),))
res = cr.fetchall()
newargs.append(('id', 'in', [x and x[0] for x in res]))
else:
raise osv.except_osv(_('Error'), _('Operator not supported.'))
return newargs
def onchange_journal_id(self, cr, uid, ids, journal_id=False, context=None):
"""
Change currency_id regarding journal.
If journal have a currency, set manual_currency_id to the journal's currency and change field to readonly.
If journal doesn't have any currency: No changes on currency.
"""
if not context:
context = {}
if isinstance(ids, (int, long)):
ids = [ids]
res = super(account_move_compute_currency, self).onchange_journal_id(cr, uid, ids, journal_id, context)
if 'value' not in res:
res['value'] = {}
if not journal_id:
res['value'].update({'block_manual_currency_id': False,})
return res
j = self.pool.get('account.journal').read(cr, uid, journal_id, ['currency'])
if j and j.get('currency', False):
res['value'].update({'manual_currency_id': j.get('currency'), 'block_manual_currency_id': True,})
else:
res['value'].update({'block_manual_currency_id': False,})
return res
_columns = {
'functional_currency_id': fields.related('company_id', 'currency_id', type="many2one", relation="res.currency", string="Functional Currency", store=False),
'currency_id': fields.function(_get_currency, method=True, type="many2one", relation="res.currency", string='Book. Currency', help="The optional other currency if it is a multi-currency entry."),
'manual_currency_id': fields.many2one('res.currency', "Book. Currency"),
'book_amount': fields.function(_book_amount_compute, method=True, string='Book Amount', digits_compute=dp.get_precision('Account'), type='float'),
'block_manual_currency_id': fields.boolean("Block manual currency field", help="Block manual currency field if journal have a currency."),
}
_defaults = {
'manual_currency_id': lambda *a: False,
'block_manual_currency_id': lambda *a: False,
}
def balance_move(self, cr, uid, ids, context=None):
"""
Balance move
"""
if not context:
context = {}
for move in self.browse(cr, uid, ids, context):
amount = 0
amount_currency = 0
sorted_line_ids = move.line_id
sorted_line_ids.sort(key=lambda x: abs(x.debit - x.credit), reverse=True)
for line in sorted_line_ids:
amount += line.debit - line.credit
amount_currency += line.amount_currency
if len(sorted_line_ids) > 2:
if abs(amount_currency) > 10 ** -4 and abs(amount) < 10 ** -4:
# The move is balanced, but there is a difference in the converted amounts;
# the second-biggest move line is modified accordingly
line_to_be_balanced = sorted_line_ids[1]
amount_currency = line_to_be_balanced.amount_currency - amount_currency
debit_currency = 0.0
credit_currency = 0.0
if amount_currency > 0:
debit_currency = amount_currency
else:
credit_currency = -amount_currency
# write() is not called to avoid a loop and a refresh of the rates
cr.execute('update account_move_line set amount_currency=%s, \
debit_currency=%s, \
credit_currency=%s where id=%s',
(amount_currency, debit_currency, credit_currency, line_to_be_balanced.id))
elif abs(amount) > 10 ** -4 and abs(amount_currency) < 10 ** -4:
# The move is balanced, but there is a difference in the converted amounts;
# the second-biggest move line is modified accordingly
line_to_be_balanced = sorted_line_ids[1]
amount = line_to_be_balanced.debit - line_to_be_balanced.credit - amount
debit = 0.0
credit = 0.0
if amount > 0:
debit = amount
else:
credit = -amount
# write() is not called to avoid a loop and a refresh of the rates
cr.execute('update account_move_line set debit=%s, \
credit=%s where id=%s',
(debit, credit, line_to_be_balanced.id))
return True
def validate(self, cr, uid, ids, context=None):
"""
Balance move before its validation
"""
self.balance_move(cr, uid, ids, context=context)
return super(account_move_compute_currency, self).validate(cr, uid, ids, context)
def create(self, cr, uid, vals, context=None):
"""
Add currency if none for manual entry
"""
if not context:
context = {}
if not 'manual_currency_id' in vals or not vals.get('manual_currency_id'):
if 'journal_id' in vals:
j = self.pool.get('account.journal').read(cr, uid, vals.get('journal_id'), ['currency'])
if j and j.get('currency', False):
vals.update({'manual_currency_id': j.get('currency')[0]})
# Add currency to context for journal items lines
if not 'manual_currency_id' in context:
context['manual_currency_id'] = j.get('currency')[0]
return super(account_move_compute_currency, self).create(cr, uid, vals, context)
def write(self, cr, uid, ids, vals, context=None):
"""
Change manual currency regarding journal
"""
if not context:
context = {}
res = []
for m in self.read(cr, uid, ids, ['journal_id', 'status', 'line_id']):
j_id = m.get('journal_id', False) and m.get('journal_id')[0] or False
if 'journal_id' in vals:
j_id = vals.get('journal_id')
journal = self.pool.get('account.journal').read(cr, uid, j_id, ['currency'])
if journal and journal.get('currency', False):
vals.update({'manual_currency_id': journal.get('currency')[0], 'block_manual_currency_id': True,})
# Add currency to context for journal items lines
if not 'manual_currency_id' in context:
context['manual_currency_id'] = journal.get('currency')[0]
tmp_res = super(account_move_compute_currency, self).write(cr, uid, [m.get('id')], vals, context)
res.append(tmp_res)
# Recompute account move lines debit/credit
if 'manual_currency_id' in vals and m.get('status') == 'manu':
for ml in self.pool.get('account.move.line').browse(cr, uid, m.get('line_id', []), context=context):
self.pool.get('account.move.line').write(cr, uid, [ml.id], {'currency_id': vals.get('manual_currency_id'), 'debit_currency': ml.debit_currency, 'credit_currency': ml.credit_currency}, context=context)
return res
account_move_compute_currency()
# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
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