Added operating system stats

htdocs/lib/CrashStats.php

@@ -13,6 +13,36 @@ class CrashStats
     {
         $this->filter = $filter;
     }
+    
+    function getOSStats()
+    {
+        $ret = array();
+        $where = $this->filter->getWhere();
+        if ($where)
+        {
+            $where .= " and ";
+        }
+        else
+        {
+            $where = "where ";
+        }
+        $where .= "os_type is not null";
+        $q = "select count(id) as nr, os_type from reports $where group by os_type order by nr desc";
+        $q .= kl_str_sql(" limit !i", $this->filter->limit);
+        if (false !== $cached = Memc::getq($q)) return $cached;
+        
+        if (!$res = DBH::$db->query($q)) return $ret;
+        
+        while ($row = DBH::$db->fetchRow($res))
+        {
+            $o = new stdClass;
+            DBH::$db->loadFromDbRow($o, $res, $row);
+            $ret[] = $o;
+        }
+        
+        Memc::setq($q, $ret);
+        return $ret;
+    }    
 
     function getRegionStats()
     {

htdocs/statistics.php

@@ -40,6 +40,30 @@ $filter->render();
 
     <!-- os tab -->
     <div id="tab-3">
+<?php
+    function rl_o($r)
+    {
+        global $filter;
+        return URL_ROOT . "/crashes.php?" . $filter->getURLArgs() . "&os=" . urlencode($r->os_type);
+    }
+    $oses = $stats->getOSStats();
+    $c = count($oses);
+    if ($c) :
+?>
+        <table class="jtable">
+            <tr>
+                <th>Nr. reports</th>
+                <th>Operating System Type</th>
+            </tr>
+<?php foreach($oses as $r): ?>
+            <tr class="rowhighlight">
+                <td style="text-align: right"><a href="<?php echo rl_o($r) ?>"><?php echo htmlentities($r->nr) ?></a></td>
+                <td><a href="<?php echo rl_o($r) ?>"><?php echo htmlentities($r->os_type) ?></a></td>
+            </tr>
+<?php endforeach ?>
+        </table>
+
+<?php endif ?>
     </div>
     <!-- /os tab -->