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system/Debug/Toolbar/Collectors/Events.php

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+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Debug\Toolbar\Collectors;
+
+use CodeIgniter\View\RendererInterface;
+use Config\Services;
+
+/**
+ * Views collector
+ */
+class Events extends BaseCollector
+{
+    /**
+     * Whether this collector has data that can
+     * be displayed in the Timeline.
+     *
+     * @var bool
+     */
+    protected $hasTimeline = false;
+
+    /**
+     * Whether this collector needs to display
+     * content in a tab or not.
+     *
+     * @var bool
+     */
+    protected $hasTabContent = true;
+
+    /**
+     * Whether this collector has data that
+     * should be shown in the Vars tab.
+     *
+     * @var bool
+     */
+    protected $hasVarData = false;
+
+    /**
+     * The 'title' of this Collector.
+     * Used to name things in the toolbar HTML.
+     *
+     * @var string
+     */
+    protected $title = 'Events';
+
+    /**
+     * Instance of the Renderer service
+     *
+     * @var RendererInterface
+     */
+    protected $viewer;
+
+    /**
+     * Constructor.
+     */
+    public function __construct()
+    {
+        $this->viewer = Services::renderer();
+    }
+
+    /**
+     * Child classes should implement this to return the timeline data
+     * formatted for correct usage.
+     */
+    protected function formatTimelineData(): array
+    {
+        $data = [];
+
+        $rows = $this->viewer->getPerformanceData();
+
+        foreach ($rows as $info) {
+            $data[] = [
+                'name'      => 'View: ' . $info['view'],
+                'component' => 'Views',
+                'start'     => $info['start'],
+                'duration'  => $info['end'] - $info['start'],
+            ];
+        }
+
+        return $data;
+    }
+
+    /**
+     * Returns the data of this collector to be formatted in the toolbar
+     */
+    public function display(): array
+    {
+        $data = [
+            'events' => [],
+        ];
+
+        foreach (\CodeIgniter\Events\Events::getPerformanceLogs() as $row) {
+            $key = $row['event'];
+
+            if (! array_key_exists($key, $data['events'])) {
+                $data['events'][$key] = [
+                    'event'    => $key,
+                    'duration' => ($row['end'] - $row['start']) * 1000,
+                    'count'    => 1,
+                ];
+
+                continue;
+            }
+
+            $data['events'][$key]['duration'] += ($row['end'] - $row['start']) * 1000;
+            $data['events'][$key]['count']++;
+        }
+
+        foreach ($data['events'] as &$row) {
+            $row['duration'] = number_format($row['duration'], 2);
+        }
+
+        return $data;
+    }
+
+    /**
+     * Gets the "badge" value for the button.
+     */
+    public function getBadgeValue(): int
+    {
+        return count(\CodeIgniter\Events\Events::getPerformanceLogs());
+    }
+
+    /**
+     * Display the icon.
+     *
+     * Icon from https://icons8.com - 1em package
+     */
+    public function icon(): string
+    {
+        return 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYCAYAAADgdz34AAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAEASURBVEhL7ZXNDcIwDIVTsRBH1uDQDdquUA6IM1xgCA6MwJUN2hk6AQzAz0vl0ETUxC5VT3zSU5w81/mRMGZysixbFEVR0jSKNt8geQU9aRpFmp/keX6AbjZ5oB74vsaN5lSzA4tLSjpBFxsjeSuRy4d2mDdQTWU7YLbXTNN05mKyovj5KL6B7q3hoy3KwdZxBlT+Ipz+jPHrBqOIynZgcZonoukb/0ckiTHqNvDXtXEAaygRbaB9FvUTjRUHsIYS0QaSp+Dw6wT4hiTmYHOcYZsdLQ2CbXa4ftuuYR4x9vYZgdb4vsFYUdmABMYeukK9/SUme3KMFQ77+Yfzh8eYF8+orDuDWU5LAAAAAElFTkSuQmCC';
+    }
+}