From 6ae7e3577853a6fd663372e79fcb08bc8d29896c Mon Sep 17 00:00:00 2001
From: Sven Slootweg <jamsoftgamedev@gmail.com>
Date: Sat, 2 Mar 2013 05:37:52 +0100
Subject: [PATCH] Only attempt to update statistics for all campaigns if there
 actually are any campaigns

---
 public_html/cron.daily.php | 22 ++++++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

diff --git a/public_html/cron.daily.php b/public_html/cron.daily.php
index a553429..586a608 100644
--- a/public_html/cron.daily.php
+++ b/public_html/cron.daily.php
@@ -48,9 +48,23 @@ foreach($sSubscriptions as $sSubscription)
 
 /* Now, we'll log a historical statistics snapshot for every campaign. */
 
-foreach(Campaign::CreateFromQuery("SELECT * FROM campaigns") as $sCampaign)
+try
+{
+	$sCampaigns = Campaign::CreateFromQuery("SELECT * FROM campaigns");
+	$found = true;
+}
+catch (NotFoundException $e)
+{
+	/* No campaigns are in the database yet. */
+	$found = false;
+}
+
+if($found)
 {
-	$sCampaign->UpdateStatistics();
-	$sStatisticsEntry = $sCampaign->CreateStatisticsEntry();
-	$sStatisticsEntry->InsertIntoDatabase();
+	foreach($sCampaigns as $sCampaign)
+	{
+		$sCampaign->UpdateStatistics();
+		$sStatisticsEntry = $sCampaign->CreateStatisticsEntry();
+		$sStatisticsEntry->InsertIntoDatabase();
+	}
 }