Mind the filter for the timline and requie at least 10 steps.

Author: johannes

chart.php

@@ -53,8 +53,11 @@ class TimelineIterator implements Iterator {
     private $step;
     private $position;
 
-    public function __construct(PDO $pdo, $stepcount) {
-        $sql = 'CREATE TEMPORARY TABLE IF NOT EXISTS report_dates (report_date int not null) SELECT UNIX_TIMESTAMP(report_date) AS report_date FROM stat';
+    public function __construct(PDO $pdo, $filter, $stepcount) {
+        if ($stepcount < 10) {
+            $stepcount = 10;
+        }
+        $sql = 'CREATE TEMPORARY TABLE IF NOT EXISTS report_dates (report_date int not null) SELECT UNIX_TIMESTAMP(report_date) AS report_date FROM stat WHERE '.$filter.' GROUP BY report_date';
         $row = $pdo->query($sql);
         $sql = "SELECT report_date FROM report_dates ORDER BY report_date ASC LIMIT 1";
         $row = $pdo->query($sql)->fetch();
@@ -124,7 +127,7 @@ public function current() {
         $graph->xAxis = new ezcGraphChartElementDateAxis();
         $graph->xAxis->dateFormat = "Y/m/d";
 
-        $data = new TimelineIterator($pdo, $_REQUEST['timeline_steps']);
+        $data = new TimelineIterator($pdo, $filter, $_REQUEST['timeline_steps']);
         $graph->data['Machine 1'] = new ezcGraphArrayDataSet($data);
         break;