PHP EfrontLesson类代码示例

         } catch (Exception $e) {
             $errors[] = $e->getMessage();
         }
     }
     if ($_GET['cleanup'] != 'all') {
         if (!isset($errors)) {
             eF_redirect("" . basename($_SERVER['PHP_SELF']) . "?ctg=maintenance&tab=cleanup&message=" . urlencode(_SUCCESFULLYCLEANEDUPFOLDERS) . '&message_type=success');
         } else {
             eF_redirect("" . basename($_SERVER['PHP_SELF']) . "?ctg=maintenance&tab=cleanup&message=" . urlencode(_THEFOLLOWINGFOLDERSCOULDNOTBEDELETED) . ': ' . implode(", ", $errors) . '&message_type=failure');
         }
     }
 }
 if (isset($_GET['cleanup']) && ($_GET['cleanup'] == 'lessons_without_folders' || $_GET['cleanup'] == 'all')) {
     foreach ($orphan_lessons as $lesson_id) {
         try {
             $lesson = new EfrontLesson($lesson_id);
             $lesson->delete();
         } catch (Exception $e) {
             $errors[] = $folder;
         }
     }
     if ($_GET['cleanup'] != 'all') {
         if (!isset($errors)) {
             eF_redirect("" . basename($_SERVER['PHP_SELF']) . "?ctg=maintenance&tab=cleanup&message=" . urlencode(_SUCCESFULLYCLEANEDUPLESSONS) . '&message_type=success');
         } else {
             eF_redirect("" . basename($_SERVER['PHP_SELF']) . "?ctg=maintenance&tab=cleanup&message=" . urlencode(_THEFOLLOWINGLESSONSCOULDNOTBEDELETED) . ': ' . implode(", ", $errors) . '&message_type=failure');
         }
     }
 }
 if (isset($_GET['create']) && $_GET['create'] == 'user_folders') {
     foreach ($orphan_users as $login) {

    $form->accept($renderer);
    $smarty->assign('T_CONTACT_FORM', $renderer->toArray());
}
/* -------------------------------------------------------End of Contact part--------------------------------------------------------- */
/* -------------------------------------------------------Lesson information part--------------------------------------------------------- */
if (isset($_GET['ctg']) && $_GET['ctg'] == 'lesson_info') {
    //The user asked to display information on a lesson
    //session_start();			//Isn't needed here if the head session_start() is in place
    if (!$smarty->is_cached('index.tpl', $cacheId) || !$GLOBALS['configuration']['smarty_caching']) {
        include "directions_tree.php";
        try {
            if (isset($_GET['lessons_ID'])) {
                if (isset($lessons[$_GET['lessons_ID']]) && $lessons[$_GET['lessons_ID']] instanceof EfrontLesson) {
                    $smarty->assign("T_HAS_LESSON", $lessons[$_GET['lessons_ID']]->lesson['has_lesson']);
                }
                $lesson = new EfrontLesson($_GET['lessons_ID']);
                $lesson->lesson['price_string'] = formatPrice($lesson->lesson['price'], array($lesson->options['recurring'], $lesson->options['recurring_duration']), true);
                $lesson->lesson['num_students'] = sizeof($lesson->getStudentUsers());
                $lesson->lesson['seats_remaining'] = $lesson->lesson['max_users'] - $lesson->lesson['num_students'];
                $lesson->lesson['seats_remaining'] >= 0 or $lesson->lesson['seats_remaining'] = 0;
                $smarty->assign("T_LESSON", $lesson);
                $lessonInformation = $lesson->getInformation();
                $content = new EfrontContentTree($lesson);
                if (sizeof($content->tree) > 0) {
                    $smarty->assign("T_CONTENT_TREE", $content->toHTML(false, 'dhtml_content_tree', array('noclick' => 1)));
                }
                $lessonInfo = new LearningObjectInformation(unserialize($lesson->lesson['info']));
                $smarty->assign("T_LESSON_INFO", $lessonInfo);
                $additionalInfo = $lesson->getInformation();
                $smarty->assign("T_ADDITIONAL_LESSON_INFO", $additionalInfo);
                if ($lesson->lesson['course_only']) {

 /**
  * Complete lesson
  *
  * This function is used to set the designated lesson's status
  * to 'completed' for the current user.
  * <br/>Example:
  * <code>
  * $user -> completeLesson(5, 87, 'Very good progress');									  //Complete lesson with id 5
  * </code>
  *
  * @param mixed $lesson Either the lesson id, or an EfrontLesson object
  * @param array $fields Extra fields containing the user score and any comments
  * @return boolean true if everything is ok
  * @since 3.5.0
  * @access public
  */
 public function completeLesson($lesson, $score = 100, $comments = '', $timestamp = '')
 {
     if (!$lesson instanceof EfrontLesson) {
         $lesson = new EfrontLesson($lesson);
     }
     if (in_array($lesson->lesson['id'], array_keys($this->getLessons()))) {
         $fields = array('completed' => 1, 'to_timestamp' => $timestamp ? $timestamp : time(), 'score' => str_replace(',', '.', $score), 'comments' => $comments);
         eF_updateTableData("users_to_lessons", $fields, "users_LOGIN = '" . $this->user['login'] . "' and lessons_ID=" . $lesson->lesson['id']);
         //$cacheKey = "user_lesson_status:lesson:".$lesson -> lesson['id']."user:".$this -> user['login'];
         //EfrontCache::getInstance()->deleteCache($cacheKey);
         // Timelines event
         EfrontEvent::triggerEvent(array("type" => EfrontEvent::LESSON_COMPLETION, "users_LOGIN" => $this->user['login'], "lessons_ID" => $lesson->lesson['id'], "lessons_name" => $lesson->lesson['name']));
         if (G_VERSIONTYPE == 'enterprise') {
             #cpp#ifdef ENTERPRISE
             if (!$this->aspects['hcd']) {
                 $this->aspects['hcd'] = EfrontEmployeeFactory::factory($this->user['login']);
             }
             $employee = $this->aspects['hcd'];
             $newSkills = eF_getTableDataFlat("module_hcd_lesson_offers_skill", "skill_ID, specification", "lesson_ID = '" . $lesson->lesson['id'] . "'");
             // The lesson associated skills will *complement* the existing ones - last argument = true
             $employee->addSkills($newSkills['skill_ID'], $newSkills['specification'], array_fill(0, sizeof($newSkills['skill_ID']), $score), true);
         }
         #cpp#endif
         //Get results in lessons
         $userLessons = array();
         $result = eF_getTableData("users_to_lessons", "lessons_ID,completed,score", "users_LOGIN='" . $this->user['login'] . "'");
         foreach ($result as $value) {
             if ($userLessons[$value['lessons_ID']] = $value) {
             }
         }
         $lessonCourses = $lesson->getCourses(true);
         //Get the courses that this lesson is part of. This way, we can auto complete a course, if it should be auto completed
         //Filter out courses that the student doesn't have
         $result = eF_getTableDataFlat("users_to_courses", "courses_ID", "users_LOGIN='" . $this->user['login'] . "'");
         $userCourses = $result['courses_ID'];
         foreach ($lessonCourses as $id => $course) {
             if (!in_array($id, $userCourses)) {
                 unset($lessonCourses[$id]);
             }
         }
         //$userStatus = EfrontStats :: getUsersCourseStatus(array_keys($courses), $this -> user['login']);
         foreach ($lessonCourses as $course) {
             if ($course->options['auto_complete']) {
                 $constraints = array('archive' => false, 'active' => true, 'return_objects' => false);
                 $courseLessons = $course->getCourseLessons($constraints);
                 $completed = $score = array();
                 foreach ($courseLessons as $lessonId => $value) {
                     $userLessons[$lessonId]['completed'] ? $completed[] = 1 : ($completed[] = 0);
                     $score[] = $userLessons[$lessonId]['score'];
                 }
                 if (array_sum($completed) == sizeof($completed)) {
                     //If all the course's lessons are completed, then auto complete the course, using the mean lessons score
                     $this->completeCourse($course->course['id'], round(array_sum($score) / sizeof($score)), _AUTOCOMPLETEDCOURSE);
                 }
             }
         }
         $modules = eF_loadAllModules();
         foreach ($modules as $module) {
             $module->onCompleteLesson($lesson->lesson['id'], $this->user['login']);
         }
         return true;
     } else {
         return false;
     }
 }

             echo "<status>error</status>";
             echo "<message>Incomplete arguments</message>";
             echo "</xml>";
         }
     } else {
         echo "<xml>";
         echo "<status>error</status>";
         echo "<message>Invalid token</message>";
         echo "</xml>";
     }
     break;
 case 'lesson_info':
     if (isset($_GET['token']) && checkToken($_GET['token'])) {
         if (isset($_GET['lesson'])) {
             try {
                 $lesson = new EfrontLesson($_GET['lesson']);
                 $info = $lesson->getStatisticInformation();
                 echo "<xml>";
                 echo "<general_info>";
                 echo "<name>" . $lesson->lesson['name'] . "</name>";
                 echo "<direction>" . $info['direction'] . "</direction>";
                 echo "<price>" . $info['price_string'] . "</price>";
                 echo "<language>" . $info['language'] . "</language>";
                 echo "</general_info>";
                 echo "</xml>";
             } catch (Exception $e) {
                 echo "<xml>";
                 echo "<status>error</status>";
                 echo "<message>Lesson doesn't exist</message>";
                 echo "</xml>";
             }

     unset($copyPropertiesLesson->options['recurring_duration']);
     $fields_insert['options'] = serialize($copyPropertiesLesson->options);
 }
 //Create the new lesson
 $newLesson = EfrontLesson::createLesson($fields_insert);
 //If a recurring payment is set, set this up to the lesson properties
 if ($values['price'] && $values['recurring'] && in_array($values['recurring'], array_keys($recurringOptions))) {
     $newLesson->options['recurring'] = $values['recurring'];
     if ($newLesson->options['recurring']) {
         $newLesson->options['recurring_duration'] = $form->exportValue($newLesson->options['recurring'] . '_duration');
     }
     $newLesson->persist();
 }
 //Import file, if any specified
 if ($values['clone_lesson']) {
     $cloneLesson = new EfrontLesson($values['clone_lesson']);
     $file = $cloneLesson->export();
     $exportedFile = $file->copy($newLesson->getDirectory() . '/' . $exportedFile['name']);
 }
 if (isset($exportedFile)) {
     $newLesson->import($exportedFile);
 } else {
     //There was no file imported, then it's safe to add a default completion condition
     $fields = array('lessons_ID' => $newLesson->lesson['id'], 'type' => 'all_units', 'relation' => 'and');
     eF_insertTableData('lesson_conditions', $fields);
 }
 if ($newLesson->lesson['course_only']) {
     //For course-only lessons, redirect to lessons list, not to "edit lesson" page
     eF_redirect(basename($_SERVER['PHP_SELF']) . "?ctg=lessons&message=" . urlencode(_SUCCESSFULLYCREATEDLESSON) . "&message_type=success");
 } else {
     eF_redirect(basename($_SERVER['PHP_SELF']) . "?ctg=lessons&edit_lesson=" . $newLesson->lesson['id'] . "&tab=users&message=" . urlencode(_SUCCESSFULLYCREATEDLESSON) . "&message_type=success");

 /**
  * Copy simple unit
  *
  * This function copies a unit (NOT its children) into the current content tree
  * <br/>Example:
  * <code>
  * $currentContent = new EfrontContentTree(5);           //Initialize content for lesson with id 5
  * $sourceUnit = new EfrontUnit(20);                     //Get the unit with id = 20
  * $currentContent -> copySimpleUnit($sourceUnit, false);   //Copy the source unit into the content tree (at its end)
  * </code>
  *
  * @param EfrontUnit $sourceUnit The unit object to be copied
  * @param mixed $targetUnit The id of the parent unit (or the parent EfrontUnit)in which the new unit will be copied, or false (the unit will be appended at the end)
  * @param mixed $previousUnit The id of the previous unit (or the unit itself) of the new unit, or false (the unit will be put to the end of the units)
  * @param boolean $copyFiles whether to copy files as well.
  * @param boolean $copyQuestions Whether to copy questions as well
  * @return EfrontUnit The newly created unit object
  * @since 3.5.0
  * @access public
  */
 public function copySimpleUnit($sourceUnit, $targetUnit = false, $previousUnit = false, $copyFiles = true, $copyQuestions = true)
 {
     if (!$sourceUnit instanceof EfrontUnit) {
         $sourceUnit = new EfrontUnit($sourceUnit);
     }
     $newUnit['name'] = $sourceUnit->offsetGet('name');
     $newUnit['ctg_type'] = $sourceUnit->offsetGet('ctg_type');
     $newUnit['data'] = $sourceUnit->offsetGet('data');
     $options = $sourceUnit->offsetGet('options');
     $newOptions['complete_unit_setting'] = $options['complete_unit_setting'];
     $newOptions['hide_navigation'] = $options['hide_navigation'];
     $newOptions['maximize_viewport'] = $options['maximize_viewport'];
     $newOptions['object_ids'] = $options['object_ids'];
     $newUnit['options'] = serialize($newOptions);
     $newUnit['lessons_ID'] = $this->lessonId;
     if ($targetUnit) {
         if ($targetUnit instanceof EfrontUnit) {
             $newUnit['parent_content_ID'] = $targetUnit->offsetGet('id');
         } else {
             if (eF_checkParameter($targetUnit, 'id')) {
                 $newUnit['parent_content_ID'] = $targetUnit;
             }
         }
         if ($previousUnit instanceof EfrontUnit) {
             $newUnit['previous_content_ID'] = $previousUnit->offsetGet('id');
         } else {
             if (eF_checkParameter($previousUnit, 'id')) {
                 $newUnit['previous_content_ID'] = $previousUnit;
             }
         }
         $unit = $this->insertNode($newUnit);
     } else {
         $unit = $this->appendUnit($newUnit);
     }
     if ($copyFiles) {
         $files = $unit->getFiles();
         $lesson = new EfrontLesson($this->lessonId);
         $data = $unit->offsetGet('data');
         foreach ($files as $file) {
             try {
                 $sourceFile = new EfrontFile($file);
                 $sourceFileOffset = preg_replace("#" . G_LESSONSPATH . "#", "", $sourceFile['directory']);
                 $position = strpos($sourceFileOffset, "/");
                 //check case that the file is in a subfolder of the lesson
                 if ($position !== false) {
                     $sourceLink = mb_substr($sourceFileOffset, $position + 1);
                     mkdir($lesson->getDirectory() . $sourceLink . '/', 0755, true);
                     $destinationPath = $lesson->getDirectory() . $sourceLink . '/' . basename($sourceFile['path']);
                     $copiedFile = $sourceFile->copy($destinationPath, false);
                 } else {
                     $destinationPath = $lesson->getDirectory() . basename($sourceFile['path']);
                     $copiedFile = $sourceFile->copy($destinationPath, false);
                 }
                 //@todo view_file.php?action=download&file=10410
                 //$data = str_replace("view_file.php?file=".$file, "view_file.php?file=".$copiedFile -> offsetGet('id'), $data);
                 //$data = str_replace("&file=".$file, "&file=".$copiedFile -> offsetGet('id'), $data);
                 //$data = str_replace("&amp;file=".$file, "&amp;file=".$copiedFile -> offsetGet('id'), $data);
                 $data = preg_replace('#view_file\\.php(.*)file=' . $file . '#', 'view_file.php${1}file=' . $copiedFile->offsetGet('id'), $data);
                 $folderId = $lesson->lesson['share_folder'] ? $lesson->lesson['share_folder'] : $lesson->lesson['id'];
                 $data = preg_replace("#(" . G_SERVERNAME . ")*content/lessons/" . $sourceUnit['lessons_ID'] . "/(.*)#", "content/lessons/" . $folderId . '/${2}', $data);
             } catch (EfrontFileException $e) {
                 if ($e->getCode() == EfrontFileException::FILE_ALREADY_EXISTS) {
                     $copiedFile = new EfrontFile($destinationPath);
                     //$data = str_replace("view_file.php?file=".$file, "view_file.php?file=".$copiedFile -> offsetGet('id'), $data);
                     //$data = str_replace("&file=".$file, "&file=".$copiedFile -> offsetGet('id'), $data);
                     //$data = str_replace("&amp;file=".$file, "&amp;file=".$copiedFile -> offsetGet('id'), $data);
                     $data = preg_replace('#view_file\\.php(.*)file=' . $file . '#', 'view_file.php${1}file=' . $copiedFile->offsetGet('id'), $data);
                     $folderId = $lesson->lesson['share_folder'] ? $lesson->lesson['share_folder'] : $lesson->lesson['id'];
                     $data = preg_replace("#(" . G_SERVERNAME . ")*content/lessons/" . $sourceUnit['lessons_ID'] . "/(.*)#", "content/lessons/" . $folderId . '/${2}', $data, -1, $count);
                 }
             }
             //this means that the file already exists
         }
         $unit->offsetSet('data', $data);
         if ($file && $unit['ctg_type'] == 'scorm' || $unit['ctg_type'] == 'scorm_test') {
             $d = new EfrontDirectory(dirname($file));
             $d->copy($lesson->getDirectory() . basename(dirname($file)), true);
         }
     }
     $unit->persist();
//.........这里部分代码省略.........

 /**
  * Create lesson instance
  *
  * This function is used to create a lesson instance.
  * <br/>Example:
  * <code>
  * $instance = EfrontLesson :: createInstance(43);
  * </code>
  *
  * @param mixed $instanceSource Either a lesson id or an EfrontLesson object.
  * @return EfrontLesson The new lesson instance
  * @since 3.6.1
  * @access public
  * @static
  */
 public static function createInstance($instanceSource, $originateCourse)
 {
     if (!$instanceSource instanceof EfrontLesson) {
         $instanceSource = new EfrontLesson($instanceSource);
     }
     if (!$originateCourse instanceof EfrontCourse) {
         $originateCourse = new EfrontCourse($originateCourse);
     }
     $result = eF_getTableData("lessons", "*", "id=" . $instanceSource->lesson['id']);
     unset($result[0]['id']);
     //unset($result[0]['directions_ID']);			//Instances don't belong to a category
     if (!$result[0]['share_folder']) {
         $result[0]['share_folder'] = $instanceSource->lesson['id'];
     }
     //$result[0]['name'] .= ' ('._INSTANCE.')';
     $result[0]['originating_course'] = $originateCourse->course['id'];
     $result[0]['instance_source'] = $instanceSource->lesson['id'];
     $file = $instanceSource->export(false, true, false);
     $instance = EfrontLesson::createLesson($result[0]);
     $instance->import($file, true, true, true);
     $instance->course['originating_course'] = $originateCourse->course['id'];
     $instance->course['instance_source'] = $instanceSource->lesson['id'];
     $instance->persist();
     $modules = eF_loadAllModules();
     foreach ($modules as $module) {
         $module->onCreateInstance($instance->lesson['id'], $instanceSource->lesson['id']);
     }
     return $instance;
 }

     if ($isProfessor) {
         $lessons = $currentUser->getLessons(true, 'professor');
     }
 }
 if (sizeof($lessons) == 1) {
     $infoLesson = array_pop($lessons);
     //get the current (first) lesson
     if (!$infoLesson instanceof EfrontLesson) {
         $infoLesson = new EfrontLesson($infoLesson['id']);
     }
 } else {
     if (isset($_GET['sel_lesson']) && in_array($_GET['sel_lesson'], array_keys($lessons))) {
         $infoLesson = new EfrontLesson($_GET['sel_lesson']);
     } else {
         if (isset($_SESSION['s_lessons_ID']) && in_array($_SESSION['s_lessons_ID'], array_keys($lessons))) {
             $infoLesson = new EfrontLesson($_SESSION['s_lessons_ID']);
         }
     }
 }
 $smarty->assign("T_INFO_LESSON", $infoLesson->lesson);
 //get the lesson information
 if (isset($infoLesson)) {
     try {
         $result = eF_getTableData("user_times ut join users_to_lessons ul on ut.users_LOGIN=ul.users_LOGIN and ut.lessons_ID=ul.lessons_ID", "sum(time) as sum, count(distinct ul.users_LOGIN) as count", "completed=1 and ul.archive=0 and ut.lessons_ID=" . $infoLesson->lesson['id'], "", "");
         if ($result[0]['sum']) {
             $smarty->assign("T_AVERAGE_COMPLETION_TIME", EfrontTimes::formatTimeForReporting($result[0]['sum'] / $result[0]['count']));
         }
         require_once $path . "includes/statistics/stats_filters.php";
         $directionsTree = new EfrontDirectionsTree();
         $directionsPaths = $directionsTree->toPathString();
         $roles = EfrontLessonUser::getLessonsRoles(true);

 function isWorkbookInstalledByUser($currentUser, $currentUserRole, $currentLessonID)
 {
     $userLessons = $currentUser->getLessons(false, $currentUserRole);
     $lessons = array();
     unset($userLessons[$currentLessonID]);
     // do not use current lesson
     $lessons[-1] = array("id" => -1, "name" => _WORKBOOK_SWITCH_TO);
     $lessons[-2] = array("id" => -2, "name" => '-------------');
     foreach ($userLessons as $key => $value) {
         $lesson = new EfrontLesson($key);
         $installed = $lesson->getOptions(array('module_workbook'));
         if (count($installed) != 0 && $installed['module_workbook'] == 1) {
             $lessons[$key] = array("id" => $key, "name" => $lesson->lesson['name']);
         }
     }
     return $lessons;
 }

<?php

session_cache_limiter('none');
session_start();
$path = "../libraries/";
include_once $path . "configuration.php";
header("Cache-Control: no-cache, must-revalidate");
// HTTP/1.1
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
// Date in the past
try {
    $languages = EfrontSystem::getLanguages(true);
    if (isset($_GET['lessons_ID']) && eF_checkParameter($_GET['lessons_ID'], 'id')) {
        $lesson = new EfrontLesson($_GET['lessons_ID']);
        $lessonInformation = $lesson->getInformation();
        //$lessonInformation['language'] = $languages[$lesson -> lesson['languages_NAME']];
        if ($lessonInformation['professors']) {
            foreach ($lessonInformation['professors'] as $value) {
                $professorsString[] = formatLogin($value['login']);
            }
            $lessonInformation['professors'] = implode(", ", $professorsString);
        }
        $lesson->lesson['price'] ? $priceString = formatPrice($lesson->lesson['price'], array($lesson->options['recurring'], $lesson->options['recurring_duration']), true) : ($priceString = false);
        $lessonInformation['price_string'] = $priceString;
        if ($lesson->lesson['max_users']) {
            $lessonInformation['max_users'] = $lesson->lesson['max_users'];
            $lessonInformation['seats_remaining'] = $lesson->lesson['max_users'] - sizeof($lesson->getStudentUsers());
            $lessonInformation['seats_remaining'] >= 0 or $lessonInformation['seats_remaining'] = 0;
        }
        //    if (!$lessonInformation['price']) {
        //        unset($lessonInformation['price_string']);

 $smarty->assign('T_EDIT_COURSE', $editCourse);
 //Perform ajax operations
 if ($_GET['ajax'] == 'skillsTable') {
     $skills = $editCourse->getSkills();
     $dataSource = $skills;
     $tableName = 'skillsTable';
     include "sorted_table.php";
 } else {
     if ($_GET['ajax'] == 'lessonsTable') {
         $courseUsers = $editCourse->countCourseUsers(array('archive' => false));
         $smarty->assign("T_COURSE_HAS_USERS", $courseUsers['count']);
         $constraints = array('archive' => false) + createConstraintsFromSortedTable();
         $constraints['condition'] = 'l.creator_LOGIN="' . $_SESSION['s_login'] . '"';
         $lessons = $editCourse->getCourseLessonsIncludingUnassigned($constraints);
         $totalEntries = $editCourse->countCourseLessonsIncludingUnassigned($constraints);
         $dataSource = EfrontLesson::convertLessonObjectsToArrays($lessons);
         $directionsTree = new EfrontDirectionsTree();
         $directionsPaths = $directionsTree->toPathString();
         foreach ($dataSource as $key => $value) {
             $dataSource[$key]['directionsPath'] = $directionsPaths[$value['directions_ID']];
             $dataSource[$key]['mode'] = 'shared';
             if ($value['instance_source']) {
                 if ($value['originating_course'] == $editCourse->course['id'] && $value['has_lesson']) {
                     $dataSource[$key]['mode'] = 'unique';
                     $lessonsToRemove[] = $value['instance_source'];
                 } else {
                     $lessonsToRemove[] = $key;
                 }
             }
         }
         foreach ($lessonsToRemove as $value) {

//Filemanager settings and inclusion
if ($currentUser->getType() == "administrator") {
    $basedir = G_ADMINPATH;
} else {
    $basedir = $currentLesson->getDirectory();
}
if (!isset($currentUser->coreAccess['files']) || $currentUser->coreAccess['files'] == 'change') {
    $options = array('lessons_ID' => $currentLesson->lesson['id'], 'metadata' => 0);
} else {
    $options = array('delete' => false, 'edit' => false, 'share' => false, 'upload' => false, 'create_folder' => false, 'zip' => false, 'lessons_ID' => $currentLesson->lesson['id'], 'metadata' => 0);
}
/** Get the suggested list in a form that javascript can then understand **/
if (isset($_GET['postAjaxRequest']) && isset($_GET['get_proposed_skills'])) {
    $question_lesson = eF_getTableData("questions", "lessons_ID", "id = " . $_GET['edit_question']);
    if (!empty($question_lesson) && $question_lesson[0]['lessons_ID'] != 0) {
        $lesson = new EfrontLesson($question_lesson[0]['lessons_ID']);
        $skills_to_propose = array();
        // If the lesson belongs only to courses, get all skills of its courses
        if ($lesson->lesson['course_only']) {
            $lesson_belonging_courses = $lesson->getCourses(true);
            foreach ($lesson_belonging_courses as $course) {
                $course_skills = $course->getSkills(true);
                foreach ($course_skills as $skillID => $skill) {
                    $skills_to_propose[] = $skillID;
                }
            }
        } else {
            // Else get only its own skills
            $lesson_skills = $lesson->getSkills(true);
            foreach ($lesson_skills as $skillID => $skill) {
                $skills_to_propose[] = $skillID;

function askInformation()
{
    try {
        if (isset($_GET['lessons_ID']) && eF_checkParameter($_GET['lessons_ID'], 'id')) {
            $lesson = new EfrontLesson($_GET['lessons_ID']);
            $lessonInformation = $lesson->getInformation();
            $languages = EfrontSystem::getLanguages(true);
            //$lessonInformation['language'] = $languages[$lesson -> lesson['languages_NAME']];
            if ($lessonInformation['professors']) {
                foreach ($lessonInformation['professors'] as $value) {
                    $professorsString[] = $value['name'] . ' ' . $value['surname'];
                }
                $lessonInformation['professors'] = implode(", ", $professorsString);
            }
            $lesson->lesson['price'] ? $priceString = formatPrice($lesson->lesson['price'], array($lesson->options['recurring'], $lesson->options['recurring_duration']), true) : ($priceString = false);
            $lessonInformation['price_string'] = $priceString;
            //    if (!$lessonInformation['price']) {
            //        unset($lessonInformation['price_string']);
            //    }
            try {
                if ($_GET['from_course']) {
                    $course = new EfrontCourse($_GET['from_course']);
                    $schedule = $course->getLessonScheduleInCourse($lesson);
                    if ($schedule['start_date'] || $schedule['end_date']) {
                        $lessonInformation['from_timestamp'] = $schedule['start_date'];
                        $lessonInformation['to_timestamp'] = $schedule['end_date'];
                    } else {
                        $lessonInformation['from_timestamp'] = $schedule['active_in_lesson'] + 24 * 60 * 60 * $schedule['start_period'];
                        $lessonInformation['to_timestamp'] = $lessonInformation['from_timestamp'] + 24 * 60 * 60 * $schedule['end_period'];
                    }
                }
            } catch (Exception $e) {
            }
            foreach ($lessonInformation as $key => $value) {
                if ($value) {
                    switch ($key) {
                        case 'language':
                            $GLOBALS['configuration']['onelanguage'] or $tooltipInfo[] = '<div class = "infoEntry"><span>' . _LANGUAGE . "</span><span>: {$languages[$value]}</span></div>";
                            break;
                        case 'professors':
                            $tooltipInfo[] = '<div class = "infoEntry"><span>' . _PROFESSORS . "</span><span>: {$value}</span></div>";
                            break;
                        case 'content':
                            $tooltipInfo[] = '<div class = "infoEntry"><span>' . _CONTENTUNITS . "</span><span>: {$value}</span></div>";
                            break;
                        case 'tests':
                            EfrontUser::isOptionVisible('tests') ? $tooltipInfo[] = '<div class = "infoEntry"><span>' . _TESTS . "</span><span>: {$value}</span></div>" : null;
                            break;
                        case 'projects':
                            EfrontUser::isOptionVisible('projects') ? $tooltipInfo[] = '<div class = "infoEntry"><span>' . _PROJECTS . "</span><span>: {$value}</span></div>" : null;
                            break;
                        case 'course_dependency':
                            $tooltipInfo[] = '<div class = "infoEntry"><span>' . _DEPENDSON . "</span><span>: {$value}</span></div>";
                            break;
                        case 'from_timestamp':
                            $tooltipInfo[] = '<div class = "infoEntry"><span>' . _AVAILABLEFROM . "</span><span>: " . formatTimestamp($value, 'time_nosec') . "</span></div>";
                            break;
                        case 'to_timestamp':
                            $tooltipInfo[] = '<div class = "infoEntry"><span>' . _AVAILABLEUNTIL . "</span><span>: " . formatTimestamp($value, 'time_nosec') . "</span></div>";
                            break;
                        case 'general_description':
                            $tooltipInfo[] = '<div class = "infoEntry"><span>' . _DESCRIPTION . "</span><span>: {$value}</span></div>";
                            break;
                        case 'assessment':
                            $tooltipInfo[] = '<div class = "infoEntry"><span>' . _ASSESSMENT . "</span><span>: {$value}</span></div>";
                            break;
                        case 'objectives':
                            $tooltipInfo[] = '<div class = "infoEntry"><span>' . _OBJECTIVES . "</span><span>: {$value}</span></div>";
                            break;
                        case 'lesson_topics':
                            $tooltipInfo[] = '<div class = "infoEntry"><span>' . _LESSONTOPICS . "</span><span>: {$value}</span></div>";
                            break;
                        case 'resources':
                            $tooltipInfo[] = '<div class = "infoEntry"><span>' . _RESOURCES . "</span><span>: {$value}</span></div>";
                            break;
                        case 'other_info':
                            $tooltipInfo[] = '<div class = "infoEntry"><span>' . _OTHERINFO . "</span><span>: {$value}</span></div>";
                            break;
                        case 'price_string':
                            !$lesson->lesson['course_only'] ? $tooltipInfo[] = '<div class = "infoEntry"><span>' . _PRICE . "</span><span>: {$value}</span></div>" : null;
                            break;
                        default:
                            break;
                    }
                }
            }
            if ($string = implode("", $tooltipInfo)) {
                echo $string;
            } else {
                echo _NODATAFOUND;
            }
        }
        if (isset($_GET['courses_ID']) && eF_checkParameter($_GET['courses_ID'], 'id')) {
            $course = new EfrontCourse($_GET['courses_ID']);
            $courseInformation = $course->getInformation();
            $languages = EfrontSystem::getLanguages(true);
            if ($courseInformation['professors']) {
                foreach ($courseInformation['professors'] as $value) {
                    $professorsString[] = $value['name'] . ' ' . $value['surname'];
                }
//.........这里部分代码省略.........

                                                             							$user -> addLessons($lessons, $userType, 1);    //active lessons
                                                             						}
                                                             					}
                                                             				}
                                                             			}          			
                                                 */
                                                 if ($currentGroup->group['user_types_ID'] == '0') {
                                                     foreach ($groupUsers as $user) {
                                                         $user = EfrontUserFactory::factory($user);
                                                         $user->user['user_types_ID'] ? $userType[] = $user->user['user_types_ID'] : ($userType[] = $user->user['user_type']);
                                                     }
                                                 } else {
                                                     $userType = $currentGroup->group['user_types_ID'];
                                                 }
                                                 foreach ($lessonIds as $id) {
                                                     $lesson = new EfrontLesson($id);
                                                     $lesson->addUsers($groupUsers, $userType, true, true);
                                                 }
                                             }
                                         }
                                     }
                                 }
                             }
                         }
                     }
                 }
             }
         }
     }
     exit;
 }

 $currentTheme = new themes($_SESSION['s_theme']);
 $newTime = '';
 $jsonValues = array();
 if ($_SESSION['s_login']) {
     $entity = getUserTimeTarget($_GET['HTTP_REFERER']);
     //Update times for this entity
     if ($_SESSION['s_lesson_user_type'] == 'student' && isset($_POST['user_total_time_in_unit']) && current($entity) == 'unit' && eF_checkParameter(key($entity), 'id')) {
         $newTime = $_POST['user_total_time_in_unit'];
         $jsonValues['entity'] = current($entity);
         $jsonValues['entity_id'] = current($entity);
         if ($newTime && is_numeric($newTime)) {
             $result = eF_executeNew("insert into users_to_content (users_LOGIN, content_ID, lessons_ID) values('" . $_SESSION['s_login'] . "', " . key($entity) . ", " . $_SESSION['s_lessons_ID'] . ") on duplicate key update total_time={$newTime}");
             $jsonValues['time_in_unit'] = EfrontTimes::formatTimeForReporting($newTime);
         } else {
             $jsonValues['old_time_in_unit'] = EfrontTimes::formatTimeForReporting(EfrontLesson::getUserActiveTimeInUnit($_SESSION['s_login'], key($entity)));
             $jsonValues['old_time_in_lesson'] = EfrontTimes::formatTimeForReporting(EfrontLesson::getUserActiveTimeInLesson($_SESSION['s_login'], $_SESSION['s_lessons_ID']));
         }
     }
     if (empty($_SESSION['last_periodic_check']) || time() - $_SESSION['last_periodic_check'] >= ceil($GLOBALS['configuration']['updater_period'] / 1000)) {
         $result = eF_executeNew("update user_times set time=time+(" . time() . "-timestamp_now),timestamp_now=" . time() . "\r\n\t\t\t\t\t\twhere session_expired = 0 and session_custom_identifier = '" . $_SESSION['s_custom_identifier'] . "' and users_LOGIN = '" . $_SESSION['s_login'] . "'\r\n\t\t\t\t\t\tand entity = '" . current($entity) . "' and entity_id = '" . key($entity) . "'");
         $_SESSION['last_periodic_check'] = time();
         if ($currentTheme->options['sidebar_interface'] == 0) {
             if (empty($_SESSION['last_periodic_check_users']) || time() - $_SESSION['last_periodic_check_users'] >= 300) {
                 $_SESSION['last_periodic_check_users'] = $_SESSION['last_periodic_check'];
                 $online = EfrontUser::getUsersOnline($GLOBALS['configuration']['autologout_time'] * 60);
                 $_SESSION['online_users'] = $online;
                 if ($currentTheme->options['sidebar_interface'] == 0) {
                     $jsonValues['online'] = $online;
                 }
             } else {
                 if ($currentTheme->options['sidebar_interface'] == 0) {