From 1a5abcfbf2c9ceb137b42c177013bd0f54d571fe Mon Sep 17 00:00:00 2001
From: "A.Avenel" <avenel.alexandre@gmail.com>
Date: Sat, 3 Dec 2011 22:25:19 +0100
Subject: [PATCH] Fix for a bug introduced in last commit : crash of dashboard
 view when there is no bill.

---
 budget/models.py                |  4 ++++
 budget/templates/dashboard.html | 11 ++++++++++-
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/budget/models.py b/budget/models.py
index b889794..3dcd709 100644
--- a/budget/models.py
+++ b/budget/models.py
@@ -44,6 +44,10 @@ class Project(db.Model):
 
         return balances
 
+    def has_bills(self):
+        """return if the project do have bills or not"""
+        return self.get_bills().count() != 0
+
     def get_bills(self):
         """Return the list of bills related to this project"""
         return Bill.query.join(Person, Project)\
diff --git a/budget/templates/dashboard.html b/budget/templates/dashboard.html
index 44ece2d..796f4f4 100644
--- a/budget/templates/dashboard.html
+++ b/budget/templates/dashboard.html
@@ -4,7 +4,16 @@
 <table id="bill_table" class="list_bills common-table zebra-striped">
     <thead><tr><th>{{ _("Project") }}</th><th>{{ _("Number of members") }}</th><th>{{ _("Number of bills") }}</th><th>{{_("Newest bill")}}</th><th>{{_("Oldest bill")}}</th></tr></thead>
     <tbody>{% for project in projects %}
-        <tr><td>{{ project.name }}</td><td>{{ project.members | count }}</td><td>{{ project.get_bills().count() }}</td><td>{{ project.get_bills()[1].date }}</td><td>{{ project.get_bills()[-1].date }}</tr>
+        <tr>
+<td>{{ project.name }}</td><td>{{ project.members | count }}</td><td>{{ project.get_bills().count() }}</td>
+{% if project.has_bills() %}
+<td>{{ project.get_bills()[0].date }}</td>
+<td>{{ project.get_bills()[-1].date }}</td>
+{% else %}
+<td></td>
+<td></td>
+{% endif %}
+</tr>
     {% endfor %}</tbody>
 </table>
 {% endblock %}