From 823064e2e0ad05b36b37980a59693982c6907e8d Mon Sep 17 00:00:00 2001
From: Ben Adida <ben@adida.net>
Date: Tue, 28 Sep 2010 21:14:48 -0700
Subject: [PATCH] prevent tallying of zero-vote elections
---
helios/templates/election_compute_tally.html | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/helios/templates/election_compute_tally.html b/helios/templates/election_compute_tally.html
index 510b9ae..c3c1cbd 100644
--- a/helios/templates/election_compute_tally.html
+++ b/helios/templates/election_compute_tally.html
@@ -6,6 +6,7 @@
<h2 class="title">Compute Tally for Election: {{election.name}}</h2>
<div id="instructions">
+{% if election.num_cast_votes %}
<p>
You are about to compute the encrypted tally for election <b>{{election.name}}</b>.
</p>
@@ -20,6 +21,12 @@
<input class="pretty" type="submit" value="compute encrypted tally!" />
<button onclick="document.location='./view'; return false;">never mind</button>
</form>
+{% else %}
+<p>
+No votes have been cast in this election. At least one vote must be cast before you compute the tally.<br /><br />
+<a href="./view">back to election</a>
+</p>
+{% endif %}
</div>
<br /><br />
--
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