minor profiler updates (#201)

* minor profiler updates

    - don't display empty client tabs in profiler.
    - return only collector root stacks.
    - better count of client messages.

* use strict comparison in getClients

Author: fbourigault

Collector/Collector.php

@@ -131,23 +131,55 @@ public function getFailedStacks()
      */
     public function getClients()
     {
+        $stacks = array_filter($this->data['stacks'], function (Stack $stack) {
+            return $stack->getParent() === null;
+        });
+
         return array_unique(array_map(function (Stack $stack) {
             return $stack->getClient();
-        }, $this->data['stacks']));
+        }, $stacks));
     }
 
     /**
      * @param $client
      *
      * @return Stack[]
      */
-    public function getClientStacks($client)
+    public function getClientRootStacks($client)
     {
         return array_filter($this->data['stacks'], function (Stack $stack) use ($client) {
-            return $stack->getClient() == $client;
+            return $stack->getClient() == $client && $stack->getParent() == null;
         });
     }
 
+    /**
+     * Count all messages for a client.
+     *
+     * @param $client
+     *
+     * @return int
+     */
+    public function countClientMessages($client)
+    {
+        return array_sum(array_map(function (Stack $stack) {
+            return $this->countStackMessages($stack);
+        }, $this->getClientRootStacks($client)));
+    }
+
+    /**
+     * Recursively count message in stack.
+     *
+     * @param Stack $stack
+     *
+     * @return int
+     */
+    private function countStackMessages(Stack $stack)
+    {
+        return 1 + array_sum(array_map(function (Stack $child) {
+            return $this->countStackMessages($child);
+        }, $this->getChildrenStacks($stack)));
+    }
+
     /**
      * @return int
      */

Resources/views/webprofiler.html.twig

@@ -71,14 +71,14 @@
     <div class="sf-tabs">
         {% for client in collector.clients %}
         <div class="tab">
-            <h3 class="tab-title">{{ client }} <span class="badge">{{ collector.clientStacks(client)|length }}</span></h3>
+            <h3 class="tab-title">{{ client }} <span class="badge">{{ collector.countClientMessages(client) }}</span></h3>
 
             <div class="tab-content">
                 <p class="help">
                     These messages are sent by client named "{{ client }}".
                 </p>
 
-                {% for stack in collector.clientStacks(client) if not stack.parent %}
+                {% for stack in collector.clientRootStacks(client) %}
                     <div class="httplug-stack">
                         {% include '@Httplug/stack.html.twig' with {
                             'collector': collector,

Tests/Unit/Collector/CollectorTest.php

@@ -66,6 +66,6 @@ public function testAddStack()
         $collector->addStack($stack);
 
         $this->assertEquals(['acme'], $collector->getClients());
-        $this->assertEquals([$stack], $collector->getClientStacks('acme'));
+        $this->assertEquals([$stack], $collector->getClientRootStacks('acme'));
     }
 }