Merge pull request #461 from AngelFQC/BT9086

Setting conection time - refs BT#9086

main/cron/fix_online_time.php

@@ -0,0 +1,105 @@
+<?php
+/* For licensing terms, see /license.txt */
+/**
+ * Automatic fix online time procedure. If a COURSEMANAGER has been idle for $timeLimit
+ * or more then the procedure adds $extraTime to his logout_course_date.
+ * @package chamilo.cron
+ * @author Imanol Losada <imanol.losada@beeznest.com>
+ */
+require_once __DIR__ . '/../inc/global.inc.php';
+
+/**
+ * Get ids of COURSEMANAGERs that are inside a course right now
+ * @return array COURSEMANAGER's ids
+ */
+function getTeachersInCourseIds()
+{
+    $table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ONLINE);
+    $joinStatement = ' JOIN ' . Database::get_main_table(TABLE_MAIN_USER) . ' ON login_user_id = user_id';
+    return Database::select(
+        'login_user_id', $table . $joinStatement,
+        array(
+            'where' => array(
+                'course IS NOT NULL AND status = ?' => array(
+                    COURSEMANAGER
+                )
+            )
+        )
+    );
+}
+
+/**
+ * If a COURSEMANAGER has been idle for $timeLimit or more then
+ * the procedure adds $extraTime to his logout_course_date.
+ * @param array COURSEMANAGER's ids
+ * @return void
+ */
+function updateTeachersInCourseIdleForTimeLimit($teachersInCourseIds)
+{
+    $timeLimit = '- 30 minute';
+    $extraTime = '+ 5 minute';
+    $utcResult = Database::fetch_array(
+        Database::query('SELECT UTC_TIMESTAMP')
+    );
+    $dataBaseCurrentHour = array_shift($utcResult);
+    $maximumIdleTimeInCourse = date(
+        'Y-m-d H:i:s',
+        strtotime($dataBaseCurrentHour . ' ' . $timeLimit)
+    );
+    $table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
+    $onLineTrackTable = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ONLINE);
+    foreach ($teachersInCourseIds as $key => $value) {
+        $value = array_shift($value);
+        $logResult = Database::select(
+            'course_access_id,logout_course_date',
+            $table,
+            array(
+                'where' => array(
+                    'user_id = ?' => array(
+                        $value,
+                    )
+                ),
+                'order' => 'course_access_id DESC',
+                'limit' => '1'
+            )
+        );
+        $currentTeacherData = array_shift($logResult);
+        Database::update(
+            $table,
+            array(
+                'logout_course_date' => date(
+                    'Y-m-d H:i:s',
+                    strtotime($currentTeacherData['logout_course_date'] . ' ' . $extraTime)
+                )
+            ),
+            array(
+                'user_id = ? AND logout_course_date < ? AND course_access_id = ?' => array(
+                    $value,
+                    $maximumIdleTimeInCourse,
+                    $currentTeacherData['course_access_id']
+                )
+            )
+        );
+        /*
+         * (Avoid multiple updates)
+         * When the user enters a course, this field is updated with the course code.
+         * And when the user goes to another tool, returns to NULL
+         */
+        $userId = intval($value);
+        $updateOnLineSql = "UPDATE $onLineTrackTable SET "
+            . "COURSE = NULL "
+            . "WHERE login_user_id = $userId";
+        Database::query($updateOnLineSql);
+    }
+}
+
+/**
+ * Initialization
+ */
+if (php_sapi_name() != 'cli') {
+    exit; //do not run from browser
+}
+$teachersInCourseIds = getTeachersInCourseIds();
+if (!empty($teachersInCourseIds)) {
+    updateTeachersInCourseIdleForTimeLimit($teachersInCourseIds);
+}