From acba6839a6082e3e3800a733f8baea7c843fc02e Mon Sep 17 00:00:00 2001
From: Frédéric Guillot <fred@kanboard.net>
Date: Sat, 11 Oct 2014 21:11:10 -0400
Subject: Add 3 new fields for tasks: start date, time estimated and time spent

---
 app/Model/TimeTracking.php | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 app/Model/TimeTracking.php

(limited to 'app/Model/TimeTracking.php')

diff --git a/app/Model/TimeTracking.php b/app/Model/TimeTracking.php
new file mode 100644
index 00000000..4ddddf12
--- /dev/null
+++ b/app/Model/TimeTracking.php
@@ -0,0 +1,45 @@
+<?php
+
+namespace Model;
+
+/**
+ * Time tracking model
+ *
+ * @package  model
+ * @author   Frederic Guillot
+ */
+class TimeTracking extends Base
+{
+    /**
+     * Calculate time metrics for a task
+     *
+     * Use subtasks time metrics if not empty otherwise return task time metrics
+     *
+     * @access public
+     * @param  array    $task        Task properties
+     * @param  array    $subtasks    Subtasks list
+     * @return array
+     */
+    public function getTaskTimesheet(array $task, array $subtasks)
+    {
+        $timesheet = array(
+            'time_spent' => 0,
+            'time_estimated' => 0,
+            'time_remaining' => 0,
+        );
+
+        foreach ($subtasks as &$subtask) {
+            $timesheet['time_estimated'] += $subtask['time_estimated'];
+            $timesheet['time_spent'] += $subtask['time_spent'];
+        }
+
+        if ($timesheet['time_estimated'] == 0 && $timesheet['time_spent'] == 0) {
+            $timesheet['time_estimated'] = $task['time_estimated'];
+            $timesheet['time_spent'] = $task['time_spent'];
+        }
+
+        $timesheet['time_remaining'] = $timesheet['time_estimated'] - $timesheet['time_spent'];
+
+        return $timesheet;
+    }
+}
-- 
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