学习管理系统源代码v1.0.doc

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<?php

session_cache_limiter('none');
session_start();
//print_r($_SESSION);
$path = "../libraries/";

/** The configuration file.*/
require_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 {
$currentUser = EfrontUser :: checkUserAccess();
$smarty -> assign("T_CURRENT_USER", $currentUser);
} catch (Exception $e) {
if ($e -> getCode() == EfrontUserException :: USER_NOT_LOGGED_IN) {
setcookie('c_request', htmlspecialchars_decode(http_build_query($_GET)), time() + 300, false, false, false, true);
}
eF_redirect("index.php?ctg=expired");
exit;
}
if ($GLOBALS['currentTheme'] -> options['sidebar_interface']) {
header("location:".$_SESSION['s_type'].".php".($_SERVER['QUERY_STRING'] ? "?".$_SERVER['QUERY_STRING'] : ''));
//$smarty -> assign("T_SIDEBAR_URL", ""); // set an empty source for horizontal sidebars
//$smarty -> assign("T_SIDEFRAME_WIDTH", 0);
}
$smarty -> assign("T_SIDEBAR_MODE", $GLOBALS['currentTheme'] -> options['sidebar_interface']);
if ($GLOBALS['currentTheme'] -> options['sidebar_width']) {
$smarty -> assign("T_SIDEFRAME_WIDTH", $GLOBALS['currentTheme'] -> options['sidebar_width']);
} else {
$smarty -> assign("T_SIDEFRAME_WIDTH", 175);
}
if (isset($_SESSION['previousSideUrl'])) {
$smarty -> assign("T_SIDEBAR_URL", $_SESSION['previousSideUrl']);
}
if (isset($_GET['dashboard']) && $_SESSION['s_type'] == "administrator") {
$smarty -> assign("T_MAIN_URL", $_SESSION['s_type'].".php?ctg=personal&user=". $_GET['dashboard']);
} elseif (isset($_GET['dashboard']) || $_GET['ctg'] == 'personal') {
$smarty -> assign("T_MAIN_URL", $_SESSION['s_type'].".php?ctg=personal");
} elseif (isset($_GET['ctg']) || $_GET['ctg'] == 'landing_page') {
$smarty -> assign("T_MAIN_URL", $_SESSION['s_type'].".php?ctg=landing_page");
} else {
if (isset($_SESSION['previousMainUrl'])) {
$smarty -> assign("T_MAIN_URL", $_SESSION['previousMainUrl']);
}
}
if (isset($_SESSION['s_type'])) {
$smarty -> display($_SESSION['s_type']."page.tpl");
} else {
eF_redirect("index.php");
}
?>

<?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 {
if (isset($_GET['login']) && $_SESSION['s_login']) {
$currentUser = EfrontUserFactory::factory($_SESSION['s_login']);
$additionalAccounts = unserialize($currentUser -> user['additional_accounts']);

if (in_array($_GET['login'], $additionalAccounts)) {
$newUser = EfrontUserFactory::factory($_GET['login']);
$lessonID = $_SESSION['s_lessons_ID'];
$courseID = $_SESSION['s_courses_ID'];
$currentUser -> logout(session_id());
$newUser -> login($newUser -> user['password'], true);
if ($_SESSION['s_type'] != 'administrator' && $lessonID) {
if ($courseID) {
setcookie('c_request', $_SESSION['s_type'].'.php?lessons_ID='.$lessonID."&from_course=".$courseID, time() + 300, false, false, false, true);
} else {
setcookie('c_request', $_SESSION['s_type'].'.php?lessons_ID='.$lessonID, time() + 300);
}
}
unset($_SESSION['referer']);
$redirectPage = $GLOBALS['configuration']['login_redirect_page'];
if ($redirectPage == "user_dashboard" && $newUser -> user['user_type'] != "administrator") {
echo 'userpage.php?ctg=personal';
}elseif (strpos($redirectPage, "module") !== false) {
echo 'userpage.php?ctg=landing_page';
} else {
echo 'userpage.php';
}
}
}

} catch (Exception $e) {
handleAjaxExceptions($e);
}

?>
<?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'] = $priceString;
// if (!$lessonInformation['price']) {
// unset($lessonInformation['price_string']);
// }

try {
if ($_GET['from_course'] && eF_checkParameter($_GET['from_course'], 'id')) {
$course = new EfrontCourse($_GET['from_course']);
$schedule = $course -> getLessonScheduleInCourse($lesson);
$lessonInformation['from_timestamp'] = $schedule['start_date'];
$lessonInformation['to_timestamp'] = $schedule['end_date'];
}
} catch (Exception $e) {};

if ($lesson -> lesson['course_only']) {
$lessonCourses = $lesson -> getCourses();
if (!empty($lessonCourses)) {
foreach ($lessonCourses as $value) {
$lessonInformation['lesson_courses'][] = $value['name'];
}
$lessonInformation['lesson_courses'] = implode(", ", $lessonInformation['lesson_courses']);
}
}

foreach ($lessonInformation as $key => $value) {
if ($value) {
$value = str_replace ("\n","<br />", $value);
switch ($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' : $GLOBALS['configuration']['disable_tests'] != 1 ? $tooltipInfo[] = '<div class = "infoEntry"><span>'._TESTS."</span><span>: $value</span></div>" : null; break;
case 'projects' : $GLOBALS['configuration']['disable_projects'] != 1 ? $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;
case 'lesson_courses' : $tooltipInfo[] = '<div class = "infoEntry"><span>'._PARTOFCOURSES."</span><span>: $value</span></div>"; break;
default: break;
}
}
}
if ($string = implode("", $tooltipInfo)) {
echo '<html '.($GLOBALS['rtl'] ? 'dir = "rtl"' : '').' >'.$string.'</html>';
} else {
echo _NODATAFOUND;
}
}

if (isset($_GET['courses_ID']) && eF_checkParameter($_GET['courses_ID'], 'id')) {
$course = new EfrontCourse($_GET['courses_ID']);
$courseInformation = $course -> getInformation();

if ($courseInformation['professors']) {
foreach ($courseInformation['professors'] as $value) {
$professorsString[] = formatLogin($value['login']);
}
$courseInformation['professors'] = implode(", ", $professorsString);
}

$course -> course['price'] ? $priceString = formatPrice($course -> course['price'], array($course -> options['recurring'], $course -> options['recurring_duration']), true) : $priceString = false;
$courseInformation['price_string'] = $priceString;
foreach ($courseInformation as $key => $value) {
if ($value) {
$value = str_replace ("\n","<br />", $value);
switch ($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 'lessons_number' : $tooltipInfo[] = '<div class = "infoEntry"><span>'._LESSONS."</span><span>: $value</span></div>"; break;
case 'instances' : $tooltipInfo[] = '<div class = "infoEntry"><span>'._COURSEINSTANCES."</span><span>: $value</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>'._COURSETOPICS."</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' : $tooltipInfo[] = '<div class = "infoEntry"><span>'._PRICE."</span><span>: $value</span></div>"; break;
default: break;
}
}
}

if ($course -> course['depends_on']) {
try {
$dependsOn = new EfrontCourse($course -> course['depends_on']);
$tooltipInfo[] = '<div class = "infoEntry"><span>'._DEPENDSON."</span><span>: ".$dependsOn->course['name']."</span></div>";
} catch (Exception $e) {}
}

if ($string = implode("", $tooltipInfo)) {
echo $string;
} else {
echo _NODATAFOUND;
}

}

// For eFront social
if (isset($_GET['common_lessons']) && isset($_GET['user1']) && isset($_GET['user2']) && eF_checkParameter($_GET['user1'], 'login') && eF_checkParameter($_GET['user2'], 'login')) {
$user1 = EfrontUserFactory::factory($_GET['user1']);
if ($user1->getType() != "administrator") {
$common_lessons = $user1 -> getCommonLessons($_GET['user2']);
// pr($common_lessons);
foreach ($common_lessons as $id => $lesson) {
if (strlen($lesson['name'])>25) {
$lesson['name'] = substr($lesson['name'],0,22) . "...";
}
$tooltipInfo[] = '<div class = "infoEntry"><span>'.$lesson['name']."</span><span></span></div>";
}

if ($string = implode("", $tooltipInfo)) {
echo $string;
} else {
echo _NODATAFOUND;
}
} else {
echo _NODATAFOUND;
}
}
} catch (Exception $e) {
echo ($e -> getMessage().' ('.$e -> getCode().')'); //No ajax error handling here, since we want the info to appear in the popup
}
?>
<?php
/**

* Respond to ajax query returing a list

*

* @package eFront

*/
session_cache_limiter('none');
session_start();
header("Cache-Control: no-cache, must-revalidate"); // HTTP/1.1
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); // Date in the past
$path = "../libraries/";
/** Configuration file.*/
include_once $path."configuration.php";

try {
$currentUser = EfrontUser :: checkUserAccess();
} catch (Exception $e) {
echo "<script>parent.location = 'index.php?logout=true&message=".urlencode($e -> getMessage().' ('.$e -> getCode().')')."&message_type=failure'</script>"; //This way the frameset will revert back to single frame, and the annoying effect of 2 index.php, one in each frame, will not happen
exit;
}

eF_checkParameter($_POST['preffix'], 'text') OR $_POST['preffix'] = '%';

switch ($_GET['ask_type']) {
case 'users': askUsers(); break;
case 'tests': askTests(); break;
case 'feedback': askFeedback(); break;
case 'projects': askProjects(); break;
case 'lesson': case 'lessons': askLessons(); break;
case 'group' : case 'groups': askGroups(); break;
case 'course': case 'courses': askCourses(); break;
case 'branch': case 'branches': askBranches(); break;
case 'skill': case 'skills': askSkills(); break;
default: break;
}

function highlightSearch($search_results, $search_criteria, $bgcolor='Yellow'){
$start_tag = '<span style="vertical-align:top;background-color: '.$bgcolor.'">';
$end_tag = '</span>';
$search_results = str_ireplace($search_criteria, $start_tag . $search_criteria . $end_tag, $search_results);
return $search_results;
}

function askUsers() {
// $_POST['preffix'] = "%"; // Useful for debugging
if (isset($_POST['preffix'])) {
if (mb_strpos($_POST['preffix'], ";") === false) {
$user = $_POST['preffix'];
} else {
$user = mb_substr(strrchr($_POST['preffix'], ";"), 1);
}
}
//pr($_SESSION);
$users = array();
if (isset($user) && $user) {
$preffix = $user;
// Return active users for statistics:
// - admins: all
// - supervisors: all supervised (in Enterprise)
// - professors: students
if (isset($_GET['supervisors'])) {
$users = eF_getTableData("users u, module_hcd_employee_works_at_branch wb", "distinct u.login,u.name,u.surname,u.user_type,u.user_types_ID", "u.login=wb.users_LOGIN and wb.supervisor=1 and u.acti