[FIX] Use unique accounts and improved bank search in base.

Courtesy of lmignon (acsone)

openerp/addons/base/res/res_bank.py

@@ -19,6 +19,8 @@
 #
 ##############################################################################
 
+import re
+
 from openerp.osv import fields, osv
 from openerp.tools.translate import _
 from openerp.exceptions import UserError
@@ -113,8 +115,51 @@ class res_partner_bank(osv.osv):
                 value = address.get(field, value)
         return value
 
+    # Courtesy of lmignon (acsone)
+
+    def _sanitize_account_number(self, acc_number):
+        if acc_number:
+            return re.sub(r'\W+', '', acc_number).upper()
+        return False
+
+    def _get_sanitized_account_number(
+            self, cr, uid, ids, field_name, arg, context):
+        """Compute sanitized version off account number.
+
+        This is needed for reliable search and uniqueness test."""
+        res = {}
+        for this_obj in self.browse(cr, uid, ids, context = context):
+            res[this_obj.id] = (
+                self._sanitize_account_number(this_obj.acc_number))
+        return res
+
+    def search(self, cr, user, args, offset=0, limit=None, order=None,
+               context=None, count=False):
+        pos = 0
+        while pos < len(args):
+            if args[pos][0] == 'acc_number':
+                op = args[pos][1]
+                value = args[pos][2]
+                if hasattr(value, '__iter__'):
+                    value = [self._sanitize_account_number(i) for i in value]
+                else:
+                    value = self._sanitize_account_number(value)
+                if 'like' in op:
+                    value = '%' + value + '%'
+                args[pos] = ('sanitized_acc_number', op, value)
+            pos += 1
+        return super(res_partner_bank, self).search(
+            cr, user, args, offset=0, limit=None, order=None, context=None,
+            count=False)
+
     _columns = {
         'acc_number': fields.char('Account Number', required=True),
+        'sanitized_acc_number': fields.function(
+            _get_sanitized_account_number,
+            string='Sanitized Account Number',
+            type='char', size=64, readonly=True,
+            store=True,
+        ),
         'bank': fields.many2one('res.bank', 'Bank'),
         'bank_bic': fields.char('Bank Identifier Code'),
         'bank_name': fields.char('Bank Name'),
@@ -135,6 +180,10 @@ class res_partner_bank(osv.osv):
         'footer': fields.boolean("Display on Reports", help="Display this bank account on the footer of printed documents like invoices and sales orders."),
         'currency_id': fields.many2one('res.currency', string='Currency', help="Currency of the bank account and its related journal."),
     }
+    _sql_constraints = [
+        ('unique_number', 'unique(sanitized_acc_number)',
+        'Account Number must be unique'),
+    ]
 
     _defaults = {
         'owner_name': lambda obj, cursor, user, context: obj._default_value(

openerp/addons/base/tests/__init__.py

@@ -25,3 +25,4 @@ import test_translate
 import test_view_validation
 import test_views
 import test_xmlrpc
+import test_res_partner_bank

openerp/addons/base/tests/test_res_partner_bank.py

@@ -0,0 +1,70 @@
+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#     This file is part of account_bank_statement_import,
+#     an Odoo module.
+#
+#     Copyright (c) 2015 ACSONE SA/NV (<http://acsone.eu>)
+#
+#     account_bank_statement_import 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.
+#
+#     account_bank_statement_import 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 account_bank_statement_import_coda.
+#     If not, see <http://www.gnu.org/licenses/>.
+#
+##############################################################################
+from openerp.tests.common import TransactionCase
+
+
+class TestResPartnerBank(TransactionCase):
+    """Tests acc_number
+    """
+
+    def test_sanitized_acc_number(self):
+        partner_bank_model = self.env['res.partner.bank']
+        acc_number = " BE-001 2518823 03 "
+        vals = partner_bank_model.search([('acc_number', '=', acc_number)])
+        self.assertEquals(0, len(vals))
+        partner_bank = partner_bank_model.create({
+            'acc_number': acc_number,
+            'partner_id': self.ref('base.res_partner_2'),
+            'state': 'bank',
+        })
+        vals = partner_bank_model.search([('acc_number', '=', acc_number)])
+        self.assertEquals(1, len(vals))
+        self.assertEquals(partner_bank, vals[0])
+        vals = partner_bank_model.search([('acc_number', 'in', [acc_number])])
+        self.assertEquals(1, len(vals))
+        self.assertEquals(partner_bank, vals[0])
+
+        self.assertEqual(partner_bank.acc_number, acc_number)
+
+        # sanitaze the acc_number
+        sanitized_acc_number = 'BE001251882303'
+        vals = partner_bank_model.search(
+            [('acc_number', '=', sanitized_acc_number)])
+        self.assertEquals(1, len(vals))
+        self.assertEquals(partner_bank, vals[0])
+        vals = partner_bank_model.search(
+            [('acc_number', 'in', [sanitized_acc_number])])
+        self.assertEquals(1, len(vals))
+        self.assertEquals(partner_bank, vals[0])
+        self.assertEqual(partner_bank.sanitized_acc_number,
+                         sanitized_acc_number)
+
+        # search is case insensitive
+        vals = partner_bank_model.search(
+            [('acc_number', '=', sanitized_acc_number.lower())])
+        self.assertEquals(1, len(vals))
+        vals = partner_bank_model.search(
+            [('acc_number', '=', acc_number.lower())])
+        self.assertEquals(1, len(vals))