Memcache, refactoring, View helpers, #16

git-svn-id: svn+ssh://code.netmonsters.ru/svn/majestic/branches/evo@124 4cb57b5f-5bbd-dd11-951b-001d605cbbc5

util/Profiler.php

@@ -0,0 +1,82 @@
+<?php
+/**
+ * @copyright NetMonsters <team@netmonsters.ru>
+ * @link http://netmonsters.ru
+ * @package Majestic
+ * @subpackage util
+ * @since 2010-03-09
+ * @version SVN: $Id$
+ * @filesource $URL$
+ */
+
+class Profiler
+{
+    
+    protected $start = null;
+    protected $end   = null;
+    
+    protected $queries = array();
+    
+    static protected $instance = null;
+    
+    private function __construct()
+    {
+        if (DEBUG == false) {
+            throw new GeneralException('Need to turn on DEBUG before use.');
+        }
+    }
+    
+    /**
+     * Refuse cloning
+     */
+    private function __clone(){}
+    
+    /**
+     * @return Profiler
+     */
+    static public function getInstance()
+    {
+        if (!isset(self::$instance)) {
+            self::$instance = new self();
+        }
+        return self::$instance;
+    }
+    
+    /**
+     * @param string $query
+     * @return QueryProfiler
+     */
+    public function profilerQuery($query)
+    {
+        $profiler = new QueryProfiler($query);
+        $this->queries[] = $profiler;
+        return $profiler;
+    }
+    
+    public function start()
+    {
+        $this->start = microtime(true);
+    }
+    
+    public function end($html)
+    {
+        $this->end = microtime(true);
+        if (stripos($html, '</body>') == False) {
+            return $html;
+        }
+        return str_ireplace('</body>', $this->getOutput() . '</body>', $html);
+    }
+    
+    protected function getOutput()
+    {
+        $html = '<div style="clear:both; font:12px monospace; margin: 5px;">'
+              . 'Elapsed time: ' . round(($this->end- $this->start) * 1000) . 'ms.<br/>'
+              . 'Queries: ' . count($this->queries) . '<br/>';
+        
+        foreach ($this->queries as $query) {
+            $html .= '[' . round($query->getElapsed() * 1000) . 'ms] ' . $query->getQuery() . '<br/>';
+        }
+        $html .= '</div>';
+        return $html;
+    }
+}

util/QueryProfiler.php

@@ -0,0 +1,39 @@
+<?php
+/**
+ * @copyright NetMonsters <team@netmonsters.ru>
+ * @link http://netmonsters.ru
+ * @package Majestic
+ * @subpackage util
+ * @since 2010-03-09
+ * @version SVN: $Id$
+ * @filesource $URL$
+ */
+
+class QueryProfiler
+{
+    
+    protected $query = '';
+    protected $start = null;
+    protected $end   = null;
+    
+    public function __construct($query)
+    {
+        $this->query = $query;
+        $this->start = microtime(true);
+    }
+    
+    public function end()
+    {
+        $this->end = microtime(true);
+    }
+    
+    public function getQuery()
+    {
+        return $this->query;
+    }
+    
+    public function getElapsed()
+    {
+        return $this->end - $this->start;
+    }
+}