[FIX] contract: 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

@@ -92,7 +92,7 @@ class AccountAnalyticInvoiceLine(orm.Model):
              '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:
@@ -169,7 +169,7 @@ class AccountAnalyticAccount(orm.Model):
             raise orm.except_orm(
                 _('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,
@@ -234,17 +234,28 @@ class AccountAnalyticAccount(orm.Model):
             interval = contract.recurring_interval
             old_date = next_date
             if contract.recurring_rule_type == 'daily':
+                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)
             else:
+                old_date = next_date + relativedelta(months=+interval)
                 new_date = next_date + relativedelta(months=+interval)
+
             context['old_date'] = old_date
-            context['next_date'] = new_date
+            context['next_date'] = datetime.datetime.strptime(
+                contract.recurring_next_date or current_date, "%Y-%m-%d")
+            # Force company for correct evaluate domain access rules
+            context['force_company'] = contract.company_id.id
+            # Re-read contract with correct company
+            contract = self.browse(cr, uid, contract.id, context=context)
             self._prepare_invoice(
-                cr, uid, contract, context=context)
+                cr, uid, contract, context=context
+            )
             self.write(
                 cr, uid, [contract.id],
                 {'recurring_next_date': new_date.strftime('%Y-%m-%d')},
-                context=context)
+                context=context
+            )
         return True