Set correct company on invoices when working on multicompany environment

Now when working on multy company environmets the server action creates
invioices with accounts belong to correct company based on contract company.

contract/account_analytic_analysis_recurring.py

@@ -93,7 +93,7 @@ class account_analytic_invoice_line(osv.osv):
              'uom_id': uom_id or res.uom_id.id or False,
              'price_unit': res.list_price or 0.0})
         if res.description:
-            result['name'] += '\n'+res.description
+            result['name'] += '\n' + res.description
 
         res_final = {'value': result}
         if result['uom_id'] != res.uom_id.id:
@@ -164,7 +164,7 @@ class account_analytic_account(osv.osv):
             raise osv.except_osv(
                 _('Error!'),
                 _('Please define a sale journal for the company "%s".') %
-                (contract.company_id.name or '', ))
+                (contract.company_id.name or '',))
         partner_payment_term = contract.partner_id.property_payment_term.id
         inv_data = {
             'reference': contract.code or False,
@@ -230,20 +230,41 @@ class account_analytic_account(osv.osv):
                 contract.recurring_next_date or current_date, "%Y-%m-%d")
             interval = contract.recurring_interval
             if contract.recurring_rule_type == 'daily':
-                old_date = next_date-relativedelta(days=+interval)
-                new_date = next_date+relativedelta(days=+interval)
+                old_date = next_date - relativedelta(days=+interval)
+                new_date = next_date + relativedelta(days=+interval)
             elif contract.recurring_rule_type == 'weekly':
-                old_date = next_date-relativedelta(weeks=+interval)
-                new_date = next_date+relativedelta(weeks=+interval)
+                old_date = next_date - relativedelta(weeks=+interval)
+                new_date = next_date + relativedelta(weeks=+interval)
             else:
-                old_date = next_date+relativedelta(months=+interval)
-                new_date = next_date+relativedelta(months=+interval)
+                old_date = next_date + relativedelta(months=+interval)
+                new_date = next_date + relativedelta(months=+interval)
 
             context['old_date'] = old_date
             context['next_date'] = datetime.datetime.strptime(
                 contract.recurring_next_date or current_date, "%Y-%m-%d")
-            self._prepare_invoice(
-                cr, uid, contract, context=context)
+            # Force company for correct evaluate domain access rules
+            context['force_company'] = contract.company_id.id
+
+            # Create new cursor for handle multi company environments
+            from openerp import pooler
+            db, pool = pooler.get_db_and_pool(cr.dbname)
+            cursor = db.cursor()
+            try:
+                this = pool.get('account.analytic.account')
+                # Need to reload contract on new cursor for prevent
+                # ORM optimizations use same company for load all
+                # partner properties
+                contract = this.browse(
+                    cursor, uid, contract.id, context=context
+                )
+                this._prepare_invoice(
+                    cursor, uid, contract, context=context
+                )
+                cursor.commit()  # commit results
+            except Exception:
+                cursor.rollback()  # error, rollback everything
+            finally:
+                cursor.close()  # always close cursor
 
             self.write(
                 cr, uid, [contract.id],