From 1344f39f9617ad346f5485656b32a413065be745 Mon Sep 17 00:00:00 2001
From: Sebastian Grewe <sebastian@grewe.ca>
Date: Thu, 11 Jul 2013 11:43:48 +0200
Subject: [PATCH] Ensure we set workers to 0

If no workers are found false is returned. Smarty is not able to set a
default on `false` values so we have to set it to 0 if the query failed.

Fixes #418
---
 public/include/classes/worker.class.php | 10 ++--------
 public/include/smarty_globals.inc.php   |  2 +-
 2 files changed, 3 insertions(+), 9 deletions(-)

diff --git a/public/include/classes/worker.class.php b/public/include/classes/worker.class.php
index ec7abdc9..7643a6d1 100644
--- a/public/include/classes/worker.class.php
+++ b/public/include/classes/worker.class.php
@@ -135,15 +135,9 @@ class Worker {
    **/
   public function getCountAllActiveWorkers() {
     $this->debug->append("STA " . __METHOD__, 4);
-    $stmt = $this->mysqli->prepare("SELECT COUNT(DISTINCT username) AS total FROM "  . $this->share->getTableName() . " WHERE time > DATE_SUB(now(), INTERVAL 10 MINUTE)");
-    if ($this->checkStmt($stmt)) {
-      if (!$stmt->execute()) {
-        return false;
-      }
-      $result = $stmt->get_result();
-      $stmt->close();
+    $stmt = $this->mysqli->prepare("SELECT IFNULL(COUNT(DISTINCT username), 0) AS total FROM "  . $this->share->getTableName() . " WHERE time > DATE_SUB(now(), INTERVAL 10 MINUTE)");
+    if ($this->checkStmt($stmt) && $stmt->execute() && $result = $stmt->get_result())
       return $result->fetch_object()->total;
-    }
     return false;
   }
 
diff --git a/public/include/smarty_globals.inc.php b/public/include/smarty_globals.inc.php
index e83b1ca3..33c5fda7 100644
--- a/public/include/smarty_globals.inc.php
+++ b/public/include/smarty_globals.inc.php
@@ -24,7 +24,7 @@ if (@$_SESSION['AUTHENTICATED']) {
 $bitcoin->can_connect() === true ? $dNetworkHashrate = $bitcoin->query('getnetworkhashps') : $dNetworkHashrate = 0;
 
 // Fetch some data
-$iCurrentActiveWorkers = $worker->getCountAllActiveWorkers();
+if (!$iCurrentActiveWorkers = $worker->getCountAllActiveWorkers()) $iCurrentActiveWorkers = 0;
 $iCurrentPoolHashrate =  $statistics->getCurrentHashrate();
 $iCurrentPoolShareRate = $statistics->getCurrentShareRate();