From c97250eff69ece37c95236ef82993115060c6dc3 Mon Sep 17 00:00:00 2001
From: Alexis de Lattre <alexis@via.ecp.fr>
Date: Fri, 20 Dec 2013 18:19:09 +0100
Subject: [PATCH] [FIX] Avoid a crash when the next period doesn't exist (for
 example : you are in December 2013 and FY 2014 is not created yet). Add
 prefer_normal_period in period selection.

---
 account_reversal/account_reversal.py          |  1 +
 .../wizard/account_move_reverse.py            | 24 ++++++++++++-------
 2 files changed, 17 insertions(+), 8 deletions(-)

diff --git a/account_reversal/account_reversal.py b/account_reversal/account_reversal.py
index 2b7edcfac..14ca4043b 100644
--- a/account_reversal/account_reversal.py
+++ b/account_reversal/account_reversal.py
@@ -65,6 +65,7 @@ class account_move(orm.Model):
         period_obj = self.pool.get('account.period')
         period_ctx = context.copy()
         period_ctx['company_id'] = move.company_id.id
+        period_ctx['account_period_prefer_normal'] = True
 
         if not reversal_period_id:
             reversal_period_id = period_obj.find(
diff --git a/account_reversal/wizard/account_move_reverse.py b/account_reversal/wizard/account_move_reverse.py
index 0b25abbd7..1d682345a 100644
--- a/account_reversal/wizard/account_move_reverse.py
+++ b/account_reversal/wizard/account_move_reverse.py
@@ -62,15 +62,23 @@ class account_move_reversal(orm.TransientModel):
         }
 
     def _next_period_first_date(self, cr, uid, context=None):
+        if context is None:
+            context = {}
+        res = False
+        period_ctx = context.copy()
+        period_ctx['account_period_prefer_normal'] = True
         period_obj = self.pool.get('account.period')
-        current_period_id = period_obj.find(cr, uid, context=context)[0]
-        current_period = period_obj.browse(
-                cr, uid, current_period_id, context=context)
-        next_period_id = period_obj.next(
-                cr, uid, current_period, 1, context=context)
-        next_period = period_obj.browse(
-                cr, uid, next_period_id, context=context)
-        return next_period.date_start
+        today_period_id = period_obj.find(cr, uid, context=period_ctx)
+        if today_period_id:
+            today_period = period_obj.browse(
+                cr, uid, today_period_id[0], context=context)
+            next_period_id = period_obj.next(
+                cr, uid, today_period, 1, context=context)
+            if next_period_id:
+                next_period = period_obj.browse(
+                    cr, uid, next_period_id, context=context)
+                res = next_period.date_start
+        return res
 
     _defaults = {
         'date': _next_period_first_date,