List users time in platform - refs BT#9087

main/admin/teacher_time_report.php

@@ -53,10 +53,6 @@ $sessionsList = SessionManager::get_sessions_list(array(), array('name'));
 
 $teacherList = SessionManager::getAllCourseCoaches();
 
-foreach ($courseCoaches as &$coach) {
-    $coach['totalTime'] = SessionManager::getTotalUserTimeInPlatform($coach['id']);
-}
-
 $htmlHeadXtra[] = '
 <script src="' . api_get_path(WEB_LIBRARY_PATH) . 'javascript/daterange/moment.min.js"></script>
 <link rel="stylesheet" href="' . api_get_path(WEB_LIBRARY_PATH) . 'javascript/daterange/daterangepicker-bs2.css">
@@ -189,6 +185,18 @@ if (!empty($selectedTeacher)) {
     }
 }
 
+if (empty($selectedCourse) && empty($selectedSession) && empty($selectedTeacher)) {
+    foreach ($teacherList as &$teacher) {
+        $rows[] = array(
+            'coach' => array(
+                'username' => $teacher['username'],
+                'completeName' => $teacher['completeName'],
+            ),
+            'totalTime' => SessionManager::getTotalUserTimeInPlatform($teacher['id'], $selectedFrom, $selectedUntil)
+        );
+    }
+}
+
 // view
 //hack for daterangepicker
 $startDate->modify('+1 day');

main/inc/lib/sessionmanager.lib.php

@@ -5336,21 +5336,30 @@ class SessionManager
     /**
      * Calculate the total user time in the platform 
      * @param int $userId The user id
+     * @param string $from Optional. From date
+     * @param string $until Optional. Until date
      * @return string The time (hh:mm:ss)
      */
-    public static function getTotalUserTimeInPlatform($userId)
+    public static function getTotalUserTimeInPlatform($userId, $from = '', $until = '')
     {
         $userId = intval($userId);
 
         $trackLoginTable = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_LOGIN);
 
+        $whereConditions = array(
+            'login_user_id = ?' => $userId
+        );
+
+        if (!empty($from) && !empty($until)) {
+            $whereConditions["AND (login_date >= '?' "] = $from;
+            $whereConditions["AND logout_date <= '?') "] = $until;
+        }
+
         $trackResult = Database::select(
             'SEC_TO_TIME(SUM(UNIX_TIMESTAMP(logout_date) - UNIX_TIMESTAMP(login_date))) as total_time',
             $trackLoginTable,
             array(
-                'where' => array(
-                    'login_user_id = ?' => $userId
-                )
+                'where' => $whereConditions
             ), 'first'
         );