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< ? php
/*
* This Contains the main Server - side scripts for the project
* session_destroy ();
*
*
*/
session_start ();
date_default_timezone_set ( 'Asia/Shanghai' );
// CONNeCTION
$con = mysqli_connect ( " localhost " , " root " , " " , " lrr " );
// Check connection
if ( mysqli_connect_errno ())
{
echo " Failed to connect to MySQL: " . mysqli_connect_error ();
}
// else
// {
// echo "Connected";
// }
error_reporting ( 0 );
if ( ! empty ( $_POST [ " frm_signup_1 " ])) {
$student_id = mysqli_real_escape_string ( $con , $_POST [ " student_id " ]);
$passport = mysqli_real_escape_string ( $con , $_POST [ " passport " ]);
echo $student_id . ' and ' . $passport ;
$result = mysqli_query ( $con ,
" SELECT * FROM `students_data` WHERE Student_ID=' $student_id ' " );
// Just removed this condition from the above command and (Passport_Number='$passport' or Passport_Number = '')
if ( mysqli_num_rows ( $result ) == 0 )
{
$_SESSION [ " info_signup1 " ] = " Student Information could not be verified ! Plaese contact student Management Office. " ;
header ( " Location: index.php " );
return ;
}
$result98 = mysqli_query ( $con ,
" SELECT * FROM `users_table` WHERE Student_ID=' $student_id ' " );
if ( mysqli_num_rows ( $result98 ) == 0 )
{
$_SESSION [ 'user_passport' ] = $passport ;
$_SESSION [ 'user_student_id' ] = $student_id ;
header ( " Location: signup.php " );
return ;
}
else
{
$_SESSION [ " info_signup1 " ] = " Student ID already Used ! Please contact student Management Office if you could not login to your account. " ;
header ( " Location: index.php " );
return ;
}
}
// ############################### CREATE STUDENT USER ##################################
if ( ! empty ( $_POST [ " frm_signup_2 " ])) {
$email = mysqli_real_escape_string ( $con , $_POST [ " email " ]);
$password = mysqli_real_escape_string ( $con , $_POST [ " password " ]);
$confirmpassword = mysqli_real_escape_string ( $con , $_POST [ " confirmpassword " ]);
$fullname = mysqli_real_escape_string ( $con , $_POST [ " fullname " ]);
$student_id = $_SESSION [ 'user_student_id' ];
$passport = $_SESSION [ 'user_passport' ];
$_SESSION [ 'user_fullname' ] = $fullname ;
$_SESSION [ 'user_type' ] = " Student " ;
$_SESSION [ 'user_email' ] = $email ;
// check confirmed password
if ( strcasecmp ( $password , $confirmpassword ) != 0 ){
$_SESSION [ 'info_signup2' ] = " Incorrect Password confirmation " ;
header ( " Location: signup.php " );
return ;
}
// $containsLetter = preg_match('/[a-zA-Z]/', $password);
// $containsDigit = preg_match('/\d/', $password);
// $containsSpecial = preg_match('/[^a-zA-Z\d]/', $password);
$upperLetter = preg_match ( '@[A-Z]@' , $password );
$smallLetter = preg_match ( '@[a-z]@' , $password );
$containsDigit = preg_match ( '@[0-9]@' , $password );
$containsSpecial = preg_match ( '@[^\w]@' , $password );
$containsAll = $upperLetter && $smallLetter && $containsDigit && $containsSpecial ;
// check for strong password
if ( $containsAll < 8 )
{
$_SESSION [ 'info_signup2' ] = " Password should contain Letters , Numbers and sepcial characters " ;
header ( " Location: signup.php " );
return ;
}
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// check if email is taken
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$result = mysqli_query ( $con ,
" SELECT * FROM Users_Table WHERE email=' $email ' " );
if ( mysqli_num_rows ( $result ) != 0 )
{
$_SESSION [ " info_signup2 " ] = " Email adress : " . $email . " is already used. " ;
header ( " Location: signup.php " );
return ;
}
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//applying password_hash() (first_commit)
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$password_hash = password_hash ( $password , PASSWORD_DEFAULT );
$sql = " INSERT INTO `users_table`(`Email`, `Password`, `Full_Name`, `UserType`, `Student_ID`, `Passport_Number`) VALUES "
. " (' $email ',' $password_hash ',' $fullname ','Student',' $student_id ',' $passport ') " ;
if ( $con -> query ( $sql ) === TRUE ) {
header ( " Location: Courses.php " );
} else {
echo " Error: " . $sql . " <br> " . $con -> error ;
}
}
// ################################ LOGIN #####################################
if ( ! empty ( $_POST [ " frm_login " ])) {
$user = mysqli_real_escape_string ( $con , $_POST [ " user " ]);
$password = mysqli_real_escape_string ( $con , $_POST [ " password " ]);
// $hashed_password=hash('sha512', $password); Not necessary in the login
$result = mysqli_query ( $con , " SELECT * FROM users_table WHERE (Email=' $user ' or Student_ID=' $user ') " );
if ( mysqli_num_rows ( $result ) == 0 )
{
$_SESSION [ " info_login " ] = " Inavlid login Information. " ;
echo $_SESSION [ " info_login " ];
header ( " Location: index.php " );
}
else
{
while ( $row = mysqli_fetch_assoc ( $result )) {
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// verify the hashed password and unhashed password
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if ( password_verify ( $password , $row [ " Password " ]) or ( $password = $row [ " Password " ])){
$_SESSION [ 'user_id' ] = $row [ 'User_ID' ];
$_SESSION [ 'user_email' ] = $row [ 'Email' ];
$_SESSION [ 'user_student_id' ] = $row [ 'Student_ID' ];
$_SESSION [ 'user_type' ] = $row [ 'UserType' ];
$_SESSION [ 'user_fullname' ] = $row [ 'Full_Name' ];
if ( $_SESSION [ 'user_type' ] == " Student " )
{
header ( " Location: Courses.php " );
}
if ( $_SESSION [ 'user_type' ] == " Lecturer " )
{
header ( " Location: Courses.php " );
}
if ( $_SESSION [ 'user_type' ] == " TA " )
{
header ( " Location: Courses.php " );
}
if ( $_SESSION [ 'user_type' ] == " Admin " )
{
header ( " Location: Admin.php " );
}
}
}
}
}
// ################################ Recover Password #####################################
if ( ! empty ( $_POST [ " frm_recover_password " ])) {
$email = mysqli_real_escape_string ( $con , $_POST [ " email " ]);
$result = mysqli_query ( $con ,
" SELECT * FROM Users_Table WHERE email=' $email ' " );
if ( mysqli_num_rows ( $result ) == 0 )
{
$_SESSION [ " info_recover_password " ] = " Email address is not recognised. " ;
echo " Email address was not recognised " ;
return ;
header ( " Location: recover_password.php " );
}
else
{
while ( $row = mysqli_fetch_assoc ( $result )) {
$userid = $row [ 'User_ID' ];
$email = urlencode ( $row [ 'Email' ]);
$pure_email = $row [ 'Email' ];
$id = $row [ 'Student_ID' ];
$token = $userid * $userid * $userid + $userid * 0.00343 ;
$name = $row [ 'Full_Name' ];
$link = " <a href='http://118.25.96.118/nor/Reset_password.php?token= $token &email= $email '>Click Here (点击这里) </a> " ;
$msg = urlencode ( " <h3>Lab Report Repository System - ZJNU</h3> <br> Hi <b> "
. $name .
" </b> Here is your password recovery link , "
. $link .
" to reset your password , <br> please ignore this message if you did not requested password recovery.<br><br> <hr><br><br>
您好 $name , 这是你的密码恢复链接，点击上面的链接 重置你的密码，
如果您没有请求密码恢复，请忽略此消息。 < br >< br >< br >< br >< br > < small > LRR System by Mohamed Nor . </ small >< hr > " );
$title = urlencode ( " Password recovery Request for LRR system - ZJNU " );
$url = " http://sms.samesoftware.com/email/send/?Subject= $title &Body= $msg &ToAddress= $email &token=s1234 " ;
//$response = file_get_contents($url);
$ch = curl_init ();
curl_setopt ( $ch , CURLOPT_HEADER , 0 );
curl_setopt ( $ch , CURLOPT_RETURNTRANSFER , 1 );
curl_setopt ( $ch , CURLOPT_URL , $url );
$data = curl_exec ( $ch );
if ( curl_errno ( $ch ))
echo 'Curl error: ' . curl_error ( $ch );
curl_close ( $ch );
echo $data . " <hr> " ;
$_SESSION [ " info_login " ] = " <br> Please check your Inbox & Junk folders for the recovery email , a reset link was sent to your email <b> $pure_email </b> " ;
header ( " Location: index.php " );
}
}
}
// ################################ RESET Password #####################################
if ( ! empty ( $_POST [ " frm_reset_password " ])) {
$password = mysqli_real_escape_string ( $con , $_POST [ " password " ]);
$token = mysqli_real_escape_string ( $con , $_POST [ " token " ]);
$email = mysqli_real_escape_string ( $con , $_POST [ " email " ]);
$result = mysqli_query ( $con ,
" SELECT * FROM Users_Table WHERE email=' $email ' " );
if ( mysqli_num_rows ( $result ) == 0 )
{
echo " invalid email " ;
return ;
}
else
{
while ( $row = mysqli_fetch_assoc ( $result )) {
$userid = $row [ 'User_ID' ];
$email = $row [ 'Email' ];
$id = $row [ 'Student_ID' ];
$user_token = $userid * $userid * $userid + $userid * 0.00343 ;
if ( $user_token == $token )
{
// Password Update
// Password Update
$hashed_password = hash ( 'sha512' , $password );
$sql = " UPDATE users_table set HashPassword=' $hashed_password ' where User_ID= $userid ; " ;
if ( $con -> query ( $sql ) === TRUE ) {
error_reporting ( 0 );
$_SESSION [ " info_login " ] = " Password changed successfully , you can login now with your new password " ;
header ( " Location: index.php " );
}
else {
echo " Error: " . $sql . " <br> " . $con -> error ;
}
} else
{
echo " Invalid Token " ;
}
}
}
}
// ############################### CREATE Lecturer/TA USER ##################################
if ( ! empty ( $_POST [ " frm_createlecturrer " ])) {
$email = mysqli_real_escape_string ( $con , $_POST [ " email " ]);
$passport = mysqli_real_escape_string ( $con , $_POST [ " passport " ]);
$fullname = mysqli_real_escape_string ( $con , $_POST [ " fullname " ]);
$type = mysqli_real_escape_string ( $con , $_POST [ " type " ]);
$password = $passport ;
// check if email is taked
$result = mysqli_query ( $con ,
" SELECT * FROM Users_Table WHERE email=' $email ' " );
if ( mysqli_num_rows ( $result ) != 0 )
{
$_SESSION [ " info_Admin_Users " ] = " Email adress : " . $email . " is already used. " ;
header ( " Location: Admin.php " );
}
$sql = " INSERT INTO `users_table`(`Email`, `Password`, `Full_Name`, `UserType`, `Passport_Number`) VALUES "
. " (' $email ',' $password ',' $fullname ',' $type ',' $passport ') " ;
if ( $con -> query ( $sql ) === TRUE ) {
$_SESSION [ " info_Admin_Users " ] = $type . " user Created successfully : email " . $email . " and $password as Password. " ;
header ( " Location: Admin.php " );
} else {
echo " Error: " . $sql . " <br> " . $conn -> error ;
}
}
// #### FUNCTION CHECK FILE TYPES ////
function is_valid ( $file ) {
$allowed = array ( 'pdf' , 'rtf' , 'jpg' , 'png' , 'doc' , 'docx' , 'xls' , 'xlsx' , 'sql' , 'txt' , 'md' , 'py' , 'css' , 'html' ,
'cvc' , 'c' , 'class' , 'cpp' , 'h' , 'java' , 'sh' , 'swift' , 'zip' , 'rar' , 'ods' , 'xlr' , 'bak' , 'ico' , 'swf' );
$filename = $_FILES [ $file ][ 'name' ];
$ext = pathinfo ( $filename , PATHINFO_EXTENSION );
$result = in_array ( $ext , $allowed );
return $result ;
}
// #### FUNCTION CREATE DIRECTORIES ////
function Create_dir ( $upPath )
{
try {
// full path
$tags = explode ( '/' , $upPath ); // explode the full path
$mkDir = " " ;
foreach ( $tags as $folder ) {
$mkDir = $mkDir . $folder . " / " ; // make one directory join one other for the nest directory to make
// echo '"'.$mkDir.'"<br/>'; // this will show the directory created each time
if ( ! is_dir ( $mkDir )) { // check if directory exist or not
mkdir ( $mkDir , 0777 ); // if not exist then make the directory
}
}
}
catch ( Exception $e ) {
}
return $upPath ;
}
// ############################### #Post Assignment ##################################
if ( ! empty ( $_POST [ " frm_uploadlab " ])) {
$course_id = mysqli_real_escape_string ( $con , $_POST [ " course_id " ]);
$deadlinedate = $_POST [ " deadlinedate " ];
$deadlinetime = $_POST [ " deadlinetime " ];
$instructions = mysqli_real_escape_string ( $con , $_POST [ " instructions " ]);
$title = mysqli_real_escape_string ( $con , $_POST [ " title " ]);
$marks = mysqli_real_escape_string ( $con , $_POST [ " marks " ]);
$url = mysqli_real_escape_string ( $con , $_POST [ " url " ]);
$type = mysqli_real_escape_string ( $con , $_POST [ " type " ]);
$deadline = $deadlinedate . " " . $deadlinetime ;
$date = date ( " Y-m-d H:i " );
// GET UPLOADED FILES
$target_dir = Create_dir ( " Lab_Report_Assignments/ " . $title . " / " );
$rnd = rand ( 10 , 1000 );
$rnd = " " ; // no more required , creating folder for each lab
$targetfile = $target_dir . $rnd . $_FILES [ 'attachment1' ][ 'name' ];
$targetfile2 = $target_dir . $rnd . $_FILES [ 'attachment2' ][ 'name' ];
$targetfile3 = $target_dir . $rnd . $_FILES [ 'attachment3' ][ 'name' ];
$targetfile4 = $target_dir . $rnd . $_FILES [ 'attachment4' ][ 'name' ];
//$curDateTime = date("Y-m-d H:i");
//$myDate = date("Y-m-d H:i", strtotime("2017-12-28 18:01"));
//if($curDateTime <= $myDate ){
// echo "active ".+$curDateTime." mydate= ".$myDate;
//
//}else{
// echo "inactive c=".$curDateTime;
//}
//
$count = 0 ;
if ( ! is_valid ( " attachment1 " ) && $_FILES [ " attachment1 " ][ " name " ] != " " )
{
echo " Invalid File Type for Attachment 1 " ;
return ;
}
if ( ! is_valid ( " attachment2 " ) && $_FILES [ " attachment2 " ][ " name " ] != " " )
{
echo " Invalid File Type for Attachment 2 " ;
return ;
}
if ( ! is_valid ( " attachment3 " ) && $_FILES [ " attachment3 " ][ " name " ] != " " )
{
echo " Invalid File Type for Attachment 3 " ;
return ;
}
//if($_FILES["attachment1"]["error"] != 0) {
// echo "Error uploading the file ";
//return;
//}
// use 4 for missing file
if ( move_uploaded_file ( $_FILES [ 'attachment1' ][ 'tmp_name' ], $targetfile )) {
$count ++ ;
} else {
echo $_FILES [ 'attachment1' ][ 'error' ];
}
if ( move_uploaded_file ( $_FILES [ 'attachment2' ][ 'tmp_name' ], $targetfile2 )) {
$count ++ ;
} else {
echo $_FILES [ 'attachment2' ][ 'error' ];
}
if ( move_uploaded_file ( $_FILES [ 'attachment3' ][ 'tmp_name' ], $targetfile3 )) {
$count ++ ;
} else {
echo $_FILES [ 'attachment3' ][ 'error' ];
}
if ( move_uploaded_file ( $_FILES [ 'attachment4' ][ 'tmp_name' ], $targetfile4 )) {
$count ++ ;
} else {
echo $_FILES [ 'attachment4' ][ 'error' ];
}
//}
echo $count . " File(s) uploaded " ;
//CLEAN
$targetfile = " " ;
$targetfile2 = " " ;
$targetfile3 = " " ;
$targetfile4 = " " ;
if ( $_FILES [ 'attachment1' ][ 'name' ] != " " ){ $targetfile = " / " . $title . " / " . $_FILES [ 'attachment1' ][ 'name' ]; }
if ( $_FILES [ 'attachment2' ][ 'name' ] != " " ){ $targetfile2 = " / " . $title . " / " . $_FILES [ 'attachment2' ][ 'name' ]; }
if ( $_FILES [ 'attachment3' ][ 'name' ] != " " ){ $targetfile3 = " / " . $title . " / " . $_FILES [ 'attachment3' ][ 'name' ]; }
if ( $_FILES [ 'attachment4' ][ 'name' ] != " " ){ $targetfile4 = " / " . $title . " / " . $_FILES [ 'attachment4' ][ 'name' ]; }
// return;
$sql = " INSERT INTO `lab_reports_table`(`Course_ID`, `Posted_Date`, `Deadline`, `Instructions`,
`Title` , `Attachment_link_1` , `Attachment_link_2` , `Attachment_link_3` , `Attachment_link_4` , Marks , Type )
VALUES ( '$course_id' , '$date' , '$deadline' , '$instructions' , '$title' , '$targetfile' , '$targetfile2' , '$targetfile3' , '$targetfile3' , $marks , '$type' ) " ;
if ( $con -> query ( $sql ) === TRUE ) {
$_SESSION [ " info_courses " ] = $type . " Lab Report Assignment posted successfully. " ;
header ( " Location: Courses.php?course= " . $url );
} else {
echo " Error: " . $sql . " <br> " . $conn -> error ;
}
}
function checksize ( $file )
{
$filename = $_FILES [ $file ][ 'name' ];
$result = $_FILES [ " $file " ][ 'size' ] / 1024 / 1024 ;
//$max_upload = (int)(ini_get('upload_max_filesize'));
//$max_post = (int)(ini_get('post_max_size'));
//$memory_limit = (int)(ini_get('memory_limit'));
//$upload_mb = min($max_upload, $max_post, $memory_limit);
if ( $result > 20 )
{
return FALSE ;
}
return TRUE ;
}
// ############################### Submit Assignment ##################################
if ( ! empty ( $_POST [ " frm_submitlab " ])) {
$lab_id = mysqli_real_escape_string ( $con , $_POST [ " lab_id " ]);
$student_id = $_POST [ " student_id " ];
$group_id = $_POST [ " group_id " ];
$instructions = mysqli_real_escape_string ( $con , $_POST [ " instructions " ]);
$title = mysqli_real_escape_string ( $con , $_POST [ " title " ]);
$url = mysqli_real_escape_string ( $con , $_POST [ " url " ]);
$deadline = $deadlinedate . " " . $deadlinetime ;
$date = date ( " Y-m-d H:i " );
// GET UPLOADED FILES
$labName = mysqli_query ( $con , " SELECT Title FROM `lab_reports_table` WHERE Lab_Report_ID= $lab_id " );
while ( $row = mysqli_fetch_assoc ( $labName )) { $lab_name = $row [ 'Title' ];}
$target_dir = Create_dir ( " Lab_Report_Submisions/ " . $student_id . " / " . $lab_name . " / " );
$targetfile = $target_dir . $_FILES [ 'attachment1' ][ 'name' ];
$targetfile2 = $target_dir . $_FILES [ 'attachment2' ][ 'name' ];
$targetfile3 = $target_dir . $_FILES [ 'attachment3' ][ 'name' ];
$targetfile4 = $target_dir . $_FILES [ 'attachment4' ][ 'name' ];
//$curDateTime = date("Y-m-d H:i");
//$myDate = date("Y-m-d H:i", strtotime("2017-12-28 18:01"));
//if($curDateTime <= $myDate ){
// echo "active ".+$curDateTime." mydate= ".$myDate;
//
//}else{
// echo "inactive c=".$curDateTime;
//}
//
$count = 0 ;
//check zise
if ( ! checksize ( " attachment1 " ))
{
echo " 20 MB is the maximum file size allowed " ;
return ;
}
if ( ! checksize ( " attachment2 " ) && $_FILES [ " attachment2 " ][ " name " ] != " " )
{
echo " 20 MB is the maximum file size allowed " ;
return ;
}
if ( ! checksize ( " attachment3 " ) && $_FILES [ " attachment3 " ][ " name " ] != " " )
{
echo " 20 MB is the maximum file size allowed " ;
return ;
}
if ( ! is_valid ( " attachment1 " ))
{
echo " Invalid File Type for Attachment 1 " ;
return ;
}
if ( ! is_valid ( " attachment2 " ) && $_FILES [ " attachment2 " ][ " name " ] != " " )
{
echo " Invalid File Type for Attachment 2 " ;
return ;
}
if ( ! is_valid ( " attachment3 " ) && $_FILES [ " attachment3 " ][ " name " ] != " " )
{
echo " Invalid File Type for Attachment 3 " ;
return ;
}
if ( $_FILES [ " attachment1 " ][ " error " ] != 0 ) {
echo " Error uploading the file " ;
return ;
}
// use 4 for missing file
if ( move_uploaded_file ( $_FILES [ 'attachment1' ][ 'tmp_name' ], $targetfile )) {
$count ++ ;
} else {
echo $_FILES [ 'attachment1' ][ 'error' ];
}
if ( move_uploaded_file ( $_FILES [ 'attachment2' ][ 'tmp_name' ], $targetfile2 )) {
$count ++ ;
} else {
echo $_FILES [ 'attachment2' ][ 'error' ];
}
if ( move_uploaded_file ( $_FILES [ 'attachment3' ][ 'tmp_name' ], $targetfile3 )) {
$count ++ ;
} else {
echo $_FILES [ 'attachment3' ][ 'error' ];
}
if ( move_uploaded_file ( $_FILES [ 'attachment4' ][ 'tmp_name' ], $targetfile4 )) {
$count ++ ;
} else {
echo $_FILES [ 'attachment4' ][ 'error' ];
}
//}
echo $count . " File(s) uploaded " ;
//CLEAN
$targetfile1 = " " ;
$targetfile2 = " " ;
$targetfile3 = " " ;
$targetfile4 = " " ;
if ( strlen ( $_FILES [ 'attachment1' ][ 'name' ]) > 2 ) {
$targetfile = " / " . $student_id . " / " . $lab_name . " / " . $_FILES [ 'attachment1' ][ 'name' ];
}
if ( strlen ( $_FILES [ 'attachment2' ][ 'name' ]) > 2 ) {
$targetfile2 = " / " . $student_id . " / " . $lab_name . " / " . $_FILES [ 'attachment2' ][ 'name' ]; }
if ( strlen ( $_FILES [ 'attachment3' ][ 'name' ]) > 2 ) {
$targetfile3 = " / " . $student_id . " / " . $lab_name . " / " . $_FILES [ 'attachment3' ][ 'name' ];}
if ( strlen ( $_FILES [ 'attachment4' ][ 'name' ]) > 2 ) {
$targetfile4 = " / " . $student_id . " / " . $lab_name . " / " . $_FILES [ 'attachment4' ][ 'name' ];
}
$sql1 = " Delete from lab_report_submissions where Lab_Report_ID= $lab_id and Student_id= $student_id and Course_Group_id= $group_id " ;
if ( $con -> query ( $sql1 ) === TRUE ) {
}
if ( $group_id > 0 )
{
$student_id = 0 ;
}
$sql = " INSERT INTO `lab_report_submissions`(`Submission_Date`, `Lab_Report_ID`, `Student_id`, "
. " `Course_Group_id`, `Attachment1`, `Notes`, `Attachment2`, `Attachment3`, `Attachment4`, `Status`, `Title`,`Remarking_Reason`) "
. " VALUES (' $date ', $lab_id , $student_id , $group_id ,' $targetfile ',' $instructions ',' $targetfile2 ',' $targetfile3 ',' $targetfile4 ', "
. " 'Pending',' $title ','') " ;
if ( $con -> query ( $sql ) === TRUE ) {
$_SESSION [ " info_courses " ] = $type . " Lab Report Assignment Submitted successfully. " ;
header ( " Location: Course.php?url= " . $url );
} else {
echo " Error: <br> " . $con -> error ;
}
}
// JOIN COURSE
if ( ! empty ( $_GET [ " JoinCourse " ])) {
$id = $_GET [ " id " ];
$student_id = $_GET [ " std " ];
$joining = $_GET [ " joining " ];
$status = " Pending " ;
if ( $joining == 0 ){ $status = " Joined " ;}
$sql = " INSERT INTO `course_students_table`(`Course_ID`, `Student_ID`,`Status`) VALUES
( '$id' , '$student_id' , '$status' ) " ;
if ( $con -> query ( $sql ) === TRUE ) {
if ( $joining == 0 )
{
$_SESSION [ " info_Courses_student " ] = " You enroll in this Course successfully. " ;
}
else {
$_SESSION [ " info_Courses_student " ] = " Course enrollment request was sent to the lecturer. " ;
}
header ( " Location: Courses.php " );
} else {
echo " Error: " . $sql . " <br> " . $con -> error ;
}
}
#MARK LAB REPORT
if ( ! empty ( $_GET [ " savemarks " ])) {
$id = $_GET [ " id " ];
$marks = $_GET [ " marks " ];
$total = $_GET [ " total " ];
$feedback = $_GET [ " feedback " ];
$header = $_GET [ " header " ];
$labid = $_GET [ " labid " ];
$status = " Marked " ;
if ( $marks > $total )
{
echo " Marks could not be greater than total " ;
return ;
}
$date = date ( " Y-m-d H:i " );
$feedback = " <br>@ $date : " . $feedback ;
$sql = " UPDATE `lab_report_submissions` SET `Marks`=' $marks ',`Status`=' $status ', "
. " "
. " Notes=if(Notes is null, ' ', concat(Notes, ' $feedback ')) "
. " "
. " WHERE Submission_ID= $id
" ;
if ( $con -> query ( $sql ) === TRUE ) {
$_SESSION [ " info_Marking " ] = " Lab Report Submission Marked " ;
header ( " Location: Submissions.php?id= " . $labid . " &header= " . $header . " &total= " . $total );
} else {
echo " Error: " . $sql . " <br> " . $con -> error ;
}
}
#Update Report Visibility
if ( ! empty ( $_GET [ " updatevisibility " ])) {
$id = $_GET [ " id " ];
$marks = $_GET [ " marks " ];
$total = $_GET [ " total " ];
$status = $_GET [ " status " ];
$header = $_GET [ " header " ];
$labid = $_GET [ " labid " ];
$sql = " UPDATE `lab_report_submissions` SET `Visibility`=' $status ' WHERE Submission_ID= $id
" ;
if ( $con -> query ( $sql ) === TRUE ) {
$_SESSION [ " info_Marking " ] = " Lab Report Visibility Updated " ;
header ( " Location: Submissions.php?id= " . $labid . " &header= " . $header . " &total= " . $total );
} else {
echo " Error: " . $sql . " <br> " . $con -> error ;
}
}
#Remarking Request
if ( ! empty ( $_GET [ " remarking " ])) {
$id = $_GET [ " id " ];
$url = $_GET [ " url " ];
$status = $_GET [ " status " ];
$details = $_GET [ " details " ];
$sql = " UPDATE `lab_report_submissions` SET `Status`='Remarking',Remarking_Reason=' $details ' WHERE Submission_ID= $id
" ;
if ( $con -> query ( $sql ) === TRUE ) {
$_SESSION [ " info_ReMarking " ] = " Remarking Request Sent " ;
header ( " Location: Course.php?url= " . $url );
} else {
echo " Error: " . $sql . " <br> " . $con -> error ;
}
}
#Create Group Request
if ( ! empty ( $_GET [ " creategroup " ])) {
$student_id = $_GET [ " student_id " ];
$url = $_GET [ " url " ];
$id = $_GET [ " id " ];
$name = $_GET [ " name " ];
$sql = " INSERT INTO `course_groups_table`(`Group_Name`,
`Group_Leader` , `Course_id` ) VALUES ( '$name' , $student_id , $id ) " ;
if ( $con -> query ( $sql ) === TRUE ) {
$resultx1 = mysqli_query ( $con , " Select Max(Course_Group_id) as cnt from course_groups_table " );
while ( $row = mysqli_fetch_assoc ( $resultx1 )) { $gid = $row [ 'cnt' ];}
$sql = " INSERT INTO `course_group_members_table`( `Course_Group_id`, `Student_ID`, `Status`)
VALUES ( $gid , $student_id , 'Created' ) " ;
if ( $con -> query ( $sql ) === TRUE ) {
$_SESSION [ " info_ReMarking " ] = " Course group Created " ;
header ( " Location: Course.php?url= " . $url );
} else {
echo " Error: " . $sql . " <br> " . $con -> error ;
}
} else {
echo " Error: " . $sql . " <br> " . $con -> error ;
}
}
#Create Group Request
if ( ! empty ( $_GET [ " groupinvite " ])) {
$student_id = $_GET [ " student_id " ];
$url = $_GET [ " url " ];
$courseid = $_GET [ " courseid " ];
$groupid = $_GET [ " groupid " ];
$sql = " INSERT INTO `course_group_members_table`( `Course_Group_id`, `Student_ID`, `Status`)
VALUES ( $groupid , $student_id , 'Invited' ) " ;
if ( $con -> query ( $sql ) === TRUE ) {
$_SESSION [ " info_ReMarking " ] = $student_id . " was invited to the group " ;
header ( " Location: Course.php?url= " . $url );
} else {
echo " Error: " . $sql . " <br> " . $con -> error ;
}
}
#Accept deny Group Invite
if ( ! empty ( $_GET [ " acceptinvite " ])) {
$student_id = $_GET [ " student_id " ];
$url = $_GET [ " url " ];
$action = $_GET [ " action " ];
$groupid = $_GET [ " groupid " ];
if ( $action == 1 )
{
$sql = " Update `course_group_members_table` set Status='Joined' where Course_Group_id = $groupid and student_id= $student_id
" ;
}
else
{
$sql = " Delete from `course_group_members_table` where Course_Group_id = $groupid and student_id= $student_id
" ;
}
if ( $con -> query ( $sql ) === TRUE ) {
$_SESSION [ " info_ReMarking " ] = " Group Invite Updated " ;
header ( " Location: Course.php?url= " . $url );
} else {
echo " Error: " . $sql . " <br> " . $con -> error ;
}
}
#Extend Deadline
if ( ! empty ( $_GET [ " extenddeadline " ])) {
$id = $_GET [ " id " ];
$date = $_GET [ " date " ];
$time = $_GET [ " time " ];
$type = $_GET [ " type " ];
$stdid = $_GET [ " stdid " ];
$reason = $_GET [ " reason " ];
$url = $_GET [ " url " ];
$deadline = $date . " " . $time ;
if ( $type == 1 )
{
}
if ( $type == 1 )
{
$sql = " UPDATE `lab_reports_table` SET `Deadline`=' $deadline ' WHERE Lab_Report_ID= $id " ;
}
else
{
$sql = " INSERT INTO `extended_deadlines_table`(`Student_ID`, "
. " `Lab_Report_ID`, `Extended_Deadline_Date`, "
. " `ReasonsForExtension`) VALUES ( $stdid , $id ,' $deadline ',' $reason ') " ;
}
if ( $con -> query ( $sql ) === TRUE ) {
$_SESSION [ " info_courses " ] = " Lab Report Deadline extended successfully. " ;
header ( " Location: Courses.php?course= " . $url );
} else {
echo " Error: " . $sql . " <br> " . $con -> error ;
}
}
#IGNORE Remarking Request
if ( ! empty ( $_GET [ " ignoreremarking " ])) {
$id = $_GET [ " id " ];
$total = $_GET [ " total " ];
$header = $_GET [ " header " ];
$subid = $_GET [ " subid " ];
$sql = " UPDATE lab_report_submissions SET Status='Marked' WHERE Submission_ID= $subid " ;
if ( $con -> query ( $sql ) === TRUE ) {
$_SESSION [ " info_Marking " ] = " Remarking Request Ignored , Submission Updated to 'Marked' status " ;
header ( " Location: Submissions.php?id= " . $id . " &header= " . $header . " &total= " . $total );
} else {
echo " Error: " . $sql . " <br> " . $con -> error ;
}
}
#Assign TA
if ( ! empty ( $_GET [ " assignTA " ])) {
$id = $_GET [ " id " ];
$ta = $_GET [ " ta " ];
$sql = " INSERT INTO `course_ta`(`Course_ID`, `TA`) VALUES ( $id , $ta ) " ;
if ( $con -> query ( $sql ) === TRUE ) {
$_SESSION [ " info_Admin_Courses " ] = $type . " Course TA Assigned " ;
header ( " Location: Admin.php " );
} else {
echo " Error: " . $sql . " <br> " . $con -> error ;
}
}
//ACCEPT STUDNTS JOINING COURSSS
if ( ! empty ( $_GET [ " AcceptStudent " ])) {
$id = $_GET [ " id " ];
$rs = $_GET [ " rs " ];
if ( $rs == " yes " )
{
$sql = " Update course_students_table set Status='Joined' Where ID= $id " ;
} else {
$sql = " Delete FROM course_students_table Where ID= $id " ;
}
if ( $con -> query ( $sql ) === TRUE ) {
if ( $rs == " yes " )
{
$_SESSION [ " info_courses " ] = " Course Joining request Approved. " ;
}
else {
$_SESSION [ " info_courses " ] = " Course Joining request Declined & Removed. " ;
}
header ( " Location: Courses.php " );
}
else {
echo " Error: " . $sql . " <br> " . $con -> error ;
}
}
//action=passchange&uid=1&pass=1929
if ( ! empty ( $_GET [ " action " ])) {
$action = $_GET [ " action " ];
$uid = $_GET [ " uid " ];
$pass = $_GET [ " pass " ];
$status = $_GET [ " status " ];
if ( $action == " passchange " )
{
$sql = " UPDATE users_table set Password=' $pass ' where User_ID= $uid ; " ;
if ( $con -> query ( $sql ) === TRUE ) {
error_reporting ( 0 );
echo " Password has been changed " ;
return ;
$_SESSION [ " info_Admin_Users " ] = $type . " User Password was Reset to his/her Passport/ID successfully " ;
header ( " Location: Admin.php " );
}
}
else {
echo " Error: " . $sql . " <br> " . $con -> error ;
}
if ( $action == " statuschange " )
{
$sql = " UPDATE users_table set Status=' $status ' where User_ID= $uid ; " ;
if ( $con -> query ( $sql ) === TRUE ) {
$_SESSION [ " info_Admin_Users " ] = $type . " user Status updated successfully " ;
header ( " Location: Admin.php " );
}
} else {
echo " Error: " . $sql . " <br> " . $con -> error ;
}
}
// ############################### CREATE STUDENT USER ##################################
if ( ! empty ( $_POST [ " frm_createCourse " ])) {
$name = mysqli_real_escape_string ( $con , $_POST [ " name " ]);
$academic = mysqli_real_escape_string ( $con , $_POST [ " academic " ]);
$lecturer = mysqli_real_escape_string ( $con , $_POST [ " lecturer " ]);
$ta = mysqli_real_escape_string ( $con , $_POST [ " ta " ]);
$faculty = mysqli_real_escape_string ( $con , $_POST [ " faculty " ]);
$code = mysqli_real_escape_string ( $con , $_POST [ " code " ]);
$url = mysqli_real_escape_string ( $con , $_POST [ " url " ]);
$verify = mysqli_real_escape_string ( $con , $_POST [ " verify " ]);
$who = mysqli_real_escape_string ( $con , $_POST [ " l " ]);
if ( $url == " " )
{
$url = $code . $academic ;
}
if ( $ta == " " )
{
$ta = 0 ;
}
// check if email is taked
// $result = mysqli_query($con,
// "SELECT * FROM courses_table WHERE Course_Name='$name'");
// if(mysqli_num_rows($result)!=0)
// {
// $_SESSION["info_Admin_Courses"]="Course Name : ".$name." already used.";
// header("Location: Admin.php");
// }
//
$sql = " INSERT INTO `courses_table`(`Course_Name`, `Academic_Year`, `Faculty`, `Lecturer_User_ID`, `TA_User_ID`, `Course_Code`, `URL`, `Verify_New_Members`)
VALUES ( '$name' , '$academic' , '$faculty' , '$lecturer' , '$ta' , '$code' , '$url' , '$verify' ) " ;
if ( $con -> query ( $sql ) === TRUE ) {
$_SESSION [ " info_Admin_Courses " ] = " Course portal was Created successfully. " ;
if ( $who == " l " )
{
header ( " Location: Courses.php " );
} else
{
header ( " Location: Admin.php " );
}
} else {
echo " Error: " . $sql . " <br> " . $con -> error ;
}
}
//exportgrade
if ( ! empty ( $_GET [ " exportgrade " ])) {
$lab = $_GET [ " lab " ];
$lab_name = $_GET [ " lab_name " ];
error_reporting ( 0 );
$select = " SELECT lab_reports_table.Title as 'LAB_Report', lab_reports_table.Marks as Lab_Marks,
`Submission_Date` , lab_report_submissions . Student_id , users_table . Full_Name as Student_Name , lab_report_submissions . Marks , `Notes`
FROM `lab_report_submissions`
INNER JOIN lab_reports_table on lab_reports_table . Lab_Report_ID = lab_report_submissions . Lab_Report_ID
INNER JOIN users_table on users_table . Student_ID = lab_report_submissions . Student_id
WHERE lab_report_submissions . Lab_Report_ID = $lab " ;
$export = mysqli_query ( $con , $select );
$fields = mysqli_num_fields ( $export );
for ( $i = 0 ; $i < $fields ; $i ++ )
{
$header .= mysqli_fetch_field_direct ( $export , $i ) -> name . " \t " ;
}
while ( $row = mysqli_fetch_row ( $export ) )
{
$line = '' ;
foreach ( $row as $value )
{
if ( ( ! isset ( $value ) ) || ( $value == " " ) )
{
$value = " \t " ;
}
else
{
$value = str_replace ( '"' , '""' , $value );
$value = '"' . $value . '"' . " \t " ;
}
$line .= $value ;
}
$data .= trim ( $line ) . " \n " ;
}
$data = str_replace ( " \r " , " " , $data );
if ( $data == " " )
{
$data = " \n (0) Records Found! \n " ;
}
header ( " Content-type: application/octet-stream " );
header ( " Content-Disposition: attachment; filename= $lab_name Garde Sheet.xls " );
header ( " Pragma: no-cache " );
header ( " Expires: 0 " );
print " $header\n $data " ;
}
