<?php
include 'NoDirectPhpAcess.php';
require 'Header.php';
?>


<?php
$page='Courses';

$user_d = $_SESSION['user_id'];

if( $_SESSION['user_type']=="Lecturer" || $_SESSION['user_type']=="TA")
{
?>
    <script>
    function extend_deadline(id) {
    
        var dropstudents=$("#dropstudents").html();
   
        try
        {
        

            $('<form id="frm" method="get" action="Script.php">\n\
    <input type="hidden" name="extenddeadline" value="true" >\n\
   <input type="hidden" name="id" value="'+id+'" > \n\
New Date/Time <br><input type="date" name="date" required=""> <input type="time" name="time" required=""> \n\
  \n\
<br><input type="radio" value="1" name="type" required=""> Extend for All<hr>  \n\
<input type="radio" value="2" name="type" required=""> Extend for these Individual Students \n\
 '+dropstudents+'   \n\
</form>').dialog({
        modal: true,
         title:'Extend Deadline',
         buttons: {
            'Submit': function () {
                $('#frm').submit();
     
                $(this).dialog('close');
            },
         'X': function () {
  
             $(this).dialog('close');
         }
   
         }
    });

        }catch(e){ alert(e); }
    }
    
        </script>
    

<?php
    if(!empty($_GET["course"]))
    {
        $course_url = mysqli_real_escape_string($con, $_GET["course"]);
        $result = mysqli_query($con,"SELECT `Course_ID`, `Course_Name`, `Academic_Year`, `Faculty`,"
                               . " `Lecturer_User_ID`, `TA_User_ID`, `Course_Code`, `URL`, `Verify_New_Members`  "
                               . " , users_table.Full_Name  FROM `courses_table` INNER JOIN users_table"
                               . " ON users_table.User_ID=courses_table.Lecturer_User_ID where URL='$course_url' ");
 
        if(mysqli_num_rows($result)==0)
        {} else { while($row = mysqli_fetch_assoc($result)) {
                $name=$row['Course_Name'];
                $code=$row['Course_Code'];
                $faculty=$row['Faculty'];	
                $lecturer=$row['Full_Name'];
                $academic=$row['Academic_Year'];
                $url=$row['URL'];
                $id=$row['Course_ID'];
                $course_id=$row['Course_ID'];
                echo    "  
                  
                        <div class='alert> <a href='~\..\Courses.php?course=$url'>   <div class='panel'>
  ($code) - $name 
   <br> <span style='font-size:8pt'>Faculty: $faculty | Year: $academic | Lecturer: $lecturer </span>
</div></a>
                        <hr></div></div> <div class='row' style='width:80%;margin:auto; text-align:left;'>
 ";
               
                echo "<div class='col-md-5'>";
            }
    
            // ------------------------------Editing Lab Assignment by Lecturer ------------------------------------


            if($_GET['act']=="edit"){ 
                $getid = mysqli_real_escape_string($con, $_GET["cid"]);
                $result1 = mysqli_query($con, "SELECT * from lab_reports_table WHERE Lab_Report_ID = '$getid'");

                while($row1 = mysqli_fetch_assoc($result1)) {
                    $Deadline = $row1['Deadline'];
                    $_SESSION['Date'] = trim( strstr($Deadline, ' ', true) );
                    $_SESSION['Time'] = trim( strstr($Deadline, ' ') );
                    $_SESSION['Instructions'] = $row1['Instructions'];
                    $_SESSION['Title'] = $row1['Title'];
                    $_SESSION['Marks'] = $row1['Marks'];
                    $_SESSION['Type'] = $row1['Type'];
                }
    
                if(isset($_POST['frm_uploadlab'])){
                    $deadlinedate = trim(mysqli_real_escape_string($con, $_POST["deadlinedate"])); // remove spaces
                    $deadlinetime = trim(mysqli_real_escape_string($con, $_POST["deadlinetime"])); // remove spaces
                    $instructions = mysqli_real_escape_string($con, $_POST["instructions"]);
                    $title = mysqli_real_escape_string($con, $_POST["title"]);
                    $marks = mysqli_real_escape_string($con, $_POST["marks"]);
                    $type  = mysqli_real_escape_string($con, $_POST["type"]);
                    $Deadline = $deadlinedate." ".$deadlinetime;
                    $date =  date("Y-m-d H:i");
    
                    $sql = "UPDATE `lab_reports_table` SET `Deadline` = ('" . $Deadline . "'), `Instructions` = ('" . $instructions . "'), `Title` = ('" . $title . "'), `Marks` = ('" . $marks . "'), `Type` = ('" . $type . "') WHERE `lab_reports_table`.`Lab_Report_ID` = '$getid'";
                    if ($con->query($sql) === TRUE) {
                        $_SESSION["info_Updated"]="Assignment information updated successfully.";
       
                    } else {
                        // echo "Error: " . $sql . "<br>" . $con->error;
                        echo "Serious error happened whiling updating assignment information.";
                    }
                }
  
                if( $_SESSION['user_type']=="Lecturer"){   
                    $Date = $_SESSION['Date'];
                    $Time = $_SESSION['Time'];
                    $Instructions = $_SESSION['Instructions'];
                    $Title = $_SESSION['Title'];
                    $Marks = $_SESSION['Marks'];
                    $Type = $_SESSION['Type'];
    
                    echo "  <h3><a href='Courses.php?course=".$url."'> Editing Lab Assignment </a></h3>";
                    ?> 
                    <form method='post'   enctype='multipart/form-data' action=''>
                    <input type='hidden' name='frm_uploadlab' value='true' required=''/>
                    <input type='hidden' name='course_id' value='<?php echo "$id" ?>' required=''/>
                    <input type='hidden' name='url' value='<?php echo ".$course_url." ?>' required=''/>
           
                    Deadline Date/Time
                        Title <div class='row'>
                    <div class='col-md-7'><input type='date' id='date' name='deadlinedate' placeholder='' class='form-control' required='' value="<?php echo isset($_GET['act']) && $_GET['act']=="edit" ? $Date : ""; ?>"> </div>
                    <div class='col-md-5'> <input type='text' id='time' class='form-control' name='deadlinetime' value="<?php echo isset($_GET['act']) && $_GET['act']=="edit" ? $Time : ""; ?>"> </div> 
                    </div>

                    Title
                        <input type='text'  name='title' placeholder='Title' class='form-control' required='' value="<?php echo isset($_GET['act']) && $_GET['act']=="edit" ? $Title : ""; ?>">
                    Instructions
                        <textarea  name='instructions' placeholder='Assignment Instructions' class='form-control' required='' ><?php echo isset($_GET['act']) && $_GET['act']=='edit' ? $Instructions : ''; ?></textarea>
                    Marks
                        <input type='text'  name='marks' placeholder='Marks' class='form-control' required='' value="<?php echo isset($_GET['act']) && $_GET['act']=="edit" ? $Marks : ""; ?>">
                    Attachment 1
                        <input type='file'  name='attachment1' placeholder='Attachment 1' class='form-control'>

                    Attachment 2
                        <input type='file' name='attachment2' placeholder='Attachment 1' class='form-control'>

                    Attachment 3
                        <input type='file'  name='attachment3' placeholder='Attachment 1' class='form-control' >


                    Attachment 4
                        <input type='file'  name='attachment4' placeholder='Attachment 4' class='form-control' >
                    <br>

<?php
                    if ($Type == "Individual") {
                        echo "Submission Type  <input type='radio' name='type' value='Individual' checked /> Individual  <input type='radio' name='type' value='Group' /> Group";
                    } else {
                        echo "Submission Type  <input type='radio' name='type' value='Individual' /> Invidual  <input type='radio' name='type' value='Group' checked> Group";
                    }		 
                    ?>


                    <hr>
                    <input type='submit' class='btn btn-primary' value='Post Lab Assignment'><br>
                    </form><br><br><br><br>
<?php
                }}else{

                // ------------------------------Posting New Lab Assignment------------------------------------

                // Mysql to split 1 string into 2 similar to the tsrstr in php
                // SELECT SUBSTRING_INDEX(Deadline, ' ', 1) as Date, SUBSTRING_INDEX(Deadline, ' ', -1) as Time from lab_reports_table

                if( $_SESSION['user_type']=="Lecturer"){   

                    ?> 
        
                    <h3> Post new Lab Assignment </a></h3>
                
                    <form method='post'   enctype='multipart/form-data' action='Script.php'>
<?php
                    $_SESSION['url']=$url;
                    ?>
                    <input type='hidden' name='frm_uploadlab' value='true' required=''/>
                    <input type='hidden' name='course_id' value='<?php echo "$id" ?>' required=''/>
                    <input type='hidden' name='url' value='<?php echo ".$course_url." ?>' required=''/>
                     
                    Dealine Date/Time
                        <div class='row'> 
                    <div class='col-md-7'><input type='date' id='date' name='deadlinedate' placeholder='' class='form-control' required='' value=""> </div>
                    <div class='col-md-5'> <input type='time' class='form-control' name='deadlinetime' value=""> </div> 
                    </div>

                    Title
                        <input type='text'  name='title' placeholder='Ttle' class='form-control' required='' value="">
                    Instructions
                        <textarea  name='instructions' placeholder='Assignment Instructions' class='form-control' required='' value=""></textarea>
                    Marks
                        <input type='text'  name='marks' placeholder='Marks' class='form-control' required='' value="">
                    Attachment 1
                        <input type='file'  name='attachment1' placeholder='Attachment 1' class='form-control'>

                    Attachment 2
                        <input type='file' name='attachment2' placeholder='Attachment 1' class='form-control'>

                    Attachment 3
                        <input type='file'  name='attachment3' placeholder='Attachment 1' class='form-control' >


                    Attachment 4
                        <input type='file'  name='attachment4' placeholder='Attachment 4' class='form-control' >
                    <br>
                    Submission Type  <input type='radio' name='type' value='Individual' required=''> Invidual

                                                <input type='radio' name='type' value='Group' required=''> Group
                    <hr>
                    <input type='submit' class='btn btn-primary' value='Post Lab Assignment'><br>
                    </form><br><br><br><br>
<?php
                }            
            }              
    
        }      
        echo "</div>"; 
       
        echo "<div class='col-md-7'>  <h3> Lab Report Assignment list </h3>";  
                  
        error_reporting(0);
        if(isset($_SESSION["info_Updated"])){
            echo '<hr><div class="alert alert-info" role="alert">' . $_SESSION['info_Updated'] . '</div>';
            $_SESSION['info_Updated'] = null;
        }
        if (isset($_SESSION['info_courses'])) {
            echo '<hr><div class="alert alert-info" role="alert">' . $_SESSION['info_courses'] . '</div>';
            $_SESSION['info_courses'] = null;
        }
        if (isset($_SESSION['info_courses'])) {
            echo '<hr><div class="alert alert-info" role="alert">' . $_SESSION['info_courses'] . '</div>';
            $_SESSION['info_courses']=null;
        }


            
              
        $result = mysqli_query($con," SELECT `Lab_Report_ID`,Type,Marks, `Course_ID`, `Posted_Date`, `Deadline`, `Instructions`, `Title`, `Attachment_link_1`, `Attachment_link_2`, `Attachment_link_3`, "
                               . "`Attachment_link_4` FROM `lab_reports_table` WHERE Course_ID=$id ORDER by Lab_Report_ID DESC");
 
           
        if( $_SESSION['user_type']=="TA")
        {
            echo "<b style='color:gray'>*Only Lecturer can post a new lab report assignment</b><br>";
        }
        if(mysqli_num_rows($result)==0)
        {
            echo "No assignments posted so far.";
     
        } else { while($row = mysqli_fetch_assoc($result)) {
                $marks=$row['Marks'];		
                $title=$row['Title'];
                $ins=$row['Instructions'];
                $posted=$row['Posted_Date'];	
                $deadline=$row['Deadline'];
                $att1=$row['Attachment_link_1'];
                $att2=$row['Attachment_link_2'];
                $att3=$row['Attachment_link_3'];
                $att4=$row['Attachment_link_4'];
                $id=$row['Lab_Report_ID'];
                $cours_id=$row['Course_ID'];
                $as_type=$row['Type'];
                $full_link="<a href='~\..\Lab_Report_Assignments\\$att1'>$att1</a>";      
                                     
                if($att2!=""){
                    $full_link= $full_link." &nbsp|&nbsp <a href='~\..\Lab_Report_Assignments\\$att2'>$att2</a>";    
                }
                if($att3!=""){
                    $full_link= $full_link." &nbsp|&nbsp <a href='~\..\Lab_Report_Assignments\\$att3'>$att3</a>";    
                }
                                     
                if($att4!=""){
                    $full_link= $full_link." &nbsp; | &nbsp <a href='~\..\Lab_Report_Assignments\\$att4'>$att4</a>";    
                }
                                      
                                     
                              
                                     
                $resultx1 = mysqli_query($con,"Select Count(*) as cnt from lab_report_submissions where lab_report_submissions.Lab_Report_ID=$id");
                while($row = mysqli_fetch_assoc($resultx1)) {$count_subs=$row['cnt'];}    
                                     
                $resultx2 = mysqli_query($con,"Select COUNT(*) as cnt from lab_report_submissions where lab_report_submissions.Lab_Report_ID=$id and Marks is not null");
                if(mysqli_num_rows($resultx2)==0){$count_marked=0;} else { while($row = mysqli_fetch_assoc($resultx2)) {$count_marked =$row['cnt'];}}     
                            
                            
                $header="Courses > ".$name."($code) > Assignments > ".$title;
                                     
                echo "      <div class='break-word btn btn-default' style='word-wrap: break-word;border-color:grey;'>
  $title ($as_type) <br> $ins
  
   <br> <span style='font-size:8pt'>Posted : $posted  Deadline :  <b> $deadline </b> &nbsp; ($marks Marks)      &nbsp;    &nbsp; &nbsp; &nbsp; &nbsp;   "
                . "<br>"

                      . "<span class='btn-default'> &nbsp;&nbsp; $count_subs Submissions ( $count_marked Marked ) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href='Courses.php?course=".$url."&act=edit&cid=".$id."'>Edit</a>&nbsp;&nbsp; |&nbsp;&nbsp;<a href='~\..\Submissions.php?id=$id&header=$header&total=$marks' onclick=''> View </a>     &nbsp;&nbsp; |&nbsp;&nbsp;         <a href='#'  onclick='extend_deadline($id)'> Extend Deadline </a>  </span>         <hr> Attachments : $full_link </span>"
                      . "&nbsp;&nbsp;</div>
                        ";
                
               
                         
            }}
        echo "</div>";
      
      
       
       
       
        $resultx1 = mysqli_query($con,"SELECT course_students_table.Student_ID,users_table.Full_Name FROM 
`course_students_table`
INNER JOIN users_table on users_table.Student_ID=course_students_table.Student_ID
WHERE Course_ID=$course_id");
    
         
        echo "<span id='dropstudents' style='display:none;'> <select name='stdid'>";
        while($row = mysqli_fetch_assoc($resultx1)) 
        {
            $stdid=$row['Student_ID'];
            $stdname=$row['Full_Name'];
          
            echo "<option value='$stdid'> $stdname($stdid) </option> ";
        }  
        echo "</select><br>Reason <input type='text' name='reason'>"
            . "<input type='hidden' name='url' value='$course_url'>"
            . " </span>";
      
      
      
      
        return;

    }
  
    ?>


    
    <div class="col-md-8">
         
<?php 
    $user_name=$_SESSION['user_fullname'];
         
    echo    "  <div class='alert' style='margin-left:20px;border-bottom:2px solid #1D91EF;'> <a href='~\..\Courses.php?course=$url'>
  Course Portal  > $user_name (Lecturer) > Course Listing
   <br> <span style='font-size:8pt'> </span>
</a></div>
 ";
   
                     
    $result = mysqli_query($con,"SELECT `Course_ID`, `Course_Name`, `Academic_Year`, `Faculty`, "
                           . "`Lecturer_User_ID`, `TA_User_ID`, `Course_Code`, `URL`, `Verify_New_Members`   , users_table.Full_Name  FROM `courses_table` INNER JOIN users_table ON users_table.User_ID=courses_table.Lecturer_User_ID where courses_table.Lecturer_User_ID=$user_d");
 
    if($_SESSION['user_type']=="TA")
    {
        $result = mysqli_query($con,"SELECT course_ta.Course_ID, `Course_Name`, 
          `Academic_Year`, `Faculty`, `Lecturer_User_ID`, `TA_User_ID`, `Course_Code`, `URL`, `Verify_New_Members`   FROM `courses_table` 
INNER JOIN 
course_ta ON course_ta.Course_ID=courses_table.Course_ID where course_ta.TA=$user_d");

    }
    // $result = mysqli_query($con,"SELECT `Course_ID`, `Course_Name`, `Academic_Year`, `Faculty`, `Lecturer_User_ID`, `TA_User_ID`, `Course_Code`, `URL`, `Verify_New_Members`   , users_table.Full_Name  FROM `courses_table` INNER JOIN users_table ON users_table.User_ID=courses_table.Lecturer_User_ID");

 
    if(mysqli_num_rows($result)==0)
    {} else { while($row = mysqli_fetch_assoc($result)) {
            $id=$row['Course_ID'];	
            $name=$row['Course_Name'];
            $code=$row['Course_Code'];
            $faculty=$row['Faculty'];	
            $lecturer=$row['Full_Name'];
            $academic=$row['Academic_Year'];
            $url=$row['URL'];
                    
            $resultTA = mysqli_query($con,"SELECT `Course_ID`, `TA`,users_table.Full_Name as TA_NAME FROM `course_ta`
INNER JOIN users_table on users_table.User_ID=course_ta.TA
where course_ta.Course_ID=$id");  
                    
            $ta="";
            while($rowTA = mysqli_fetch_assoc($resultTA)) {
                $ta=$ta."  - ".$rowTA['TA_NAME'];
            }
                    
                    
                                
            echo"  
                  
                         <a href='~\..\Courses.php?course=$url'>   <div class='btn btn-default'>
  ($code) - $name 
   <br> <span style='font-size:8pt'>Faculty : $faculty &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Year :  $academic  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  Lecturer  :$lecturer  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  TA:$ta </span>
</div></a>
                        ";
   
        }}?>
    </div>
    <div class="col-md-4">
    <br>
    <b> Course Joining Requests </b>
     


<?php
    $lecturer_id= $_SESSION['user_id'];
    $result = mysqli_query($con,"SELECT  course_students_table.ID,users_table.Full_Name,  courses_table.Course_ID, `Course_Name`, `Academic_Year`, `Faculty`, `Lecturer_User_ID`, `TA_User_ID`, `Course_Code`, `URL`, `Verify_New_Members` FROM `courses_table` 
INNER JOIN course_students_table on  course_students_table.Course_ID=courses_table.Course_ID
INNER JOIN users_table on users_table.Student_ID=course_students_table.Student_ID
WHERE  Lecturer_User_ID=$lecturer_id and course_students_table.Status='Pending'");
 
    if(mysqli_num_rows($result)==0)
    {
     
        echo "<br>  <i class='bi bi-info-circle-fill'></i> No Course joining request so far for all your courses <hr>";
    } else { while($row = mysqli_fetch_assoc($result)) {
            $id=$row['ID'];	
        		
            $name=$row['Course_Name'];
            $code=$row['Course_Code'];
            $faculty=$row['Faculty'];	
            $std_name=$row['Full_Name'];
            $academic=$row['Academic_Year'];
                          
            echo "<div class='btn btn-default'>
 $std_name is Requesting to join <br> [($code) - $name ] &nbsp;&nbsp;&nbsp;&nbsp; <br><a href='~\..\Script.php?AcceptStudent=y&id=$id&rs=yes' class='btn-sm btn-success' onclick=return confirm(\"are you sure to join this course?\")' > Accept </a>
 &nbsp;&nbsp;<a href='~\..\Script.php?AcceptStudent=y&id=$id&rs=no' class='btn-sm btn-danger' onclick=return confirm(\"are you sure to join this course?\")' > Decline </a>                     
</div>";
                          
                          
                          
        }
    }
    ?>





     
<?php 
    if( $_SESSION['user_type']=="TA")
    {
        echo "<center>Only Lecturers can Post new Lab report Assignments</center>";
    }
    if( $_SESSION['user_type']=="Lecturer"){ ?>
     
        <b>Create new Course Portal </b>
		
        <form method="post" action="Script.php">
        <input type="hidden" name="frm_createCourse" value="true" required=""/>
        <input type="hidden" name="l" value="l" required=""/>
        Course Name
            <input type="text" name="name" placeholder="Course Name" class="form-control" required="">

        Course Code
            <input type="text" name="code" placeholder="Course Code" class="form-control" required="">

        URL (Leave blank to use Course Code & Year)
            <input type="text" name="url" placeholder="Choose Custom URL " class="form-control">

        Academic Year
            <input type="text" name="academic" placeholder="Academic Year" class="form-control" required="">

        Faculty <br>
        <input type="text" name="faculty" placeholder="Faculty" class="form-control" required="">


        <input type="hidden" name="lecturer" value="<?php echo $_SESSION['user_id'];  ?>">


        Verify Joining Students
            <input type="radio" name="verify" value="1"> Yes
        <input type="radio" name="verify" value="0" checked=""> No

        <br>
        <input type="submit" class="btn btn-primary" value="Create Portal"><br>
  
        </form>
      
<?php }  ?>
            
        </div>
    
    
    <!--   END LECTURER   -->

<?php 
         } 
        
       
        
if( $_SESSION['user_type']=="Student")
{
    ?>

    <!--STUDENT CODE-->
        <div class="row" style="width:80%;margin:auto; text-align:left;">
    <div class="col-md-6">
    <br>  Course Portal > Students <br>
<?php
    
    error_reporting(0);
    if (isset($_SESSION['info_Courses_student'])) {
        echo '<hr><span class="alert alert-success" role="alert">' . $_SESSION['info_Courses_student'] . '</span>';
        $_SESSION['info_Courses_student'] = null;
    }
    ?>
    <br><br>
    </div>
    <div class="col-md-6"></div>
    </div>





    <div class="row" style="width:80%;margin:auto; text-align:left;">
    <div class="col-md-6">
    

          
<?php 
    error_reporting(0);
    $student_id= $_SESSION['user_student_id'];
    // current academic year - i.e 2021 - 2022 , so we will show in search result:
    // course containing either 2021 or 2022 as academic year.
    $oldest_academic_year = date('Y') - 1;
    if(!empty($_GET["search"]) || !empty($_GET["faculty"]))
    {
        $search = trim(mysqli_real_escape_string($con, $_GET["search"]));
        $search = strtoupper($_GET['search']);
        $faculty = mysqli_real_escape_string($con, $_GET["faculty"]);
    
        // the user has not entered something under "Find course by Code"
        if($faculty=="")
        {
            echo "<h4> Search Results for Course Code $search</h4><hr>";
            $result = mysqli_query($con,"SELECT `Course_ID`, `Course_Name`, `Academic_Year`, `Faculty`,"
                                   . " `Lecturer_User_ID`, `TA_User_ID`, `Course_Code`, `URL`, `Verify_New_Members`  "
                                   . " , users_table.Full_Name  FROM `courses_table` INNER JOIN users_table"
                                   . " ON users_table.User_ID=courses_table.Lecturer_User_ID where Academic_Year >= $oldest_academic_year and Course_Code like '%{$search}%'  and courses_table.Course_ID not in (select course_id from course_students_table where Student_ID=$student_id) order by Academic_Year desc");
        } 
        // the user has entered something under "Find course by Code"
        else
        {
            echo "<h3> Find Courses under faculty $faculty</h3>";
            $result = mysqli_query($con,"SELECT `Course_ID`, `Course_Name`, `Academic_Year`, `Faculty`,
       `Lecturer_User_ID`, `TA_User_ID`, `Course_Code`, `URL`, `Verify_New_Members` 
         , users_table.Full_Name  FROM `courses_table` INNER JOIN users_table
         ON users_table.User_ID=courses_table.Lecturer_User_ID where Academic_Year >= $oldest_academic_year  and Faculty='$faculty'  and courses_table.Course_ID not in (select course_id from course_students_table where Student_ID=$student_id) order by Academic_Year desc");
        }
     

        if(mysqli_num_rows($result)==0)
        {
            echo "No results found for your Search <hr>";

        } else {
            
            while($row = mysqli_fetch_assoc($result)) {
                $name=$row['Course_Name'];
                $code=$row['Course_Code'];
                $faculty=$row['Faculty'];	
                $lecturer=$row['Full_Name'];
                $academic=$row['Academic_Year'];
                $url=$row['URL'];
                $id=$row['Course_ID'];
                $v=$row['Verify_New_Members'];
                $msg2="Join Course";
                if($v>0)
                {
                    $msg="<i class='bi bi-exclamation-circle-fill'></i> Lecturer verification required";
                    $msg2="Send Joining Request";
                }
               
                echo "<div class='btn btn-default' style='word-wrap:break-word'>
  [$code] $name <br>($url) <br>  <a href='~\..\Script.php?JoinCourse=y&id=$id&std=$student_id&joining=$v' class='btn-sm btn-success' onclick=return confirm(\"Are you sure to join this course?\")' > $msg2 </a>
   <br> <span style='font-size:10pt'>Faculty: $faculty | Year: $academic | Lecturer: $lecturer </span><br>$msg</div>
                        ";
            }
        }
    }
    // Otherwise, list the student's joined courses (already done), in reverse chronological order
    echo "<h4> My Courses </h4>";
    $result = mysqli_query($con,"SELECT users_table.Full_Name, course_students_table.Status, courses_table.Course_ID, `Course_Name`, `Academic_Year`, `Faculty`, `Lecturer_User_ID`, `TA_User_ID`, `Course_Code`, `URL`, `Verify_New_Members` FROM `courses_table`
INNER JOIN users_table
          ON users_table.User_ID=courses_table.Lecturer_User_ID

INNER JOIN course_students_table on course_students_table.Course_ID=courses_table.Course_ID

                  where course_students_table.Student_ID=$student_id order by Academic_Year desc");
 
    if(mysqli_num_rows($result)==0)
    {
        echo "<i class='bi bi-exclamation-circle-fill'></i> You are not Enrolled in any Course";
    } else {
        while($row = mysqli_fetch_assoc($result)) {
			$name=$row['Course_Name'];
            $code=$row['Course_Code'];
            $faculty=$row['Faculty'];	
            $lecturer=$row['Full_Name'];
            $academic=$row['Academic_Year'];
            $url=$row['URL'];
            $id=$row['Course_ID'];
            $Status=$row['Status'];
                            
            if($Status=="Joined")
            {
	         echo "<a href='~\..\Course.php?url=$url'>   <div class='btn btn-default' style='word-wrap:break-word'>
  ($code) - $name <br>($url)       &nbsp;&nbsp;&nbsp; <i class='bi bi-check-circle-fill'></i> $Status   &nbsp;&nbsp;&nbsp;&nbsp; <a href='~\..\Course.php?url=$url' class='btn-sm btn-primary'> Open</a>
   <br> <span style='font-size:8pt'>Faculty : $faculty  Year :   $academic  Lecturer  :$lecturer </span></div></a>
                        ";  
            }
            else
            {
                echo "<div class='btn btn-default'>
  ($code) - $name  <i class='btn-sm btn-danger'> $Status</i>
   <br> <span style='font-size:8pt'>Faculty : $faculty  Year :   $academic  Lecturer  :$lecturer </span></div>
                        "; 
            }
        }
    } 
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
   
    
    
    
    
    
    
    
    
    echo "</div><div class='col-md-6'>
    
        <form method='get' action='Courses.php'>
            <div class='row'> 
            <div class='col-md-10'> 
            <div class='row'><div class='col-md-6'> Find course by Code
            <input  type='text' class='form-control' name='search' maxlength='11' placeholder='Enter Course Code'>
            </div><div class='col-md-6'>
List courses by faculty

<select name='faculty' class='form-control'>";
        $result = mysqli_query($con,"SELECT   DISTINCT(Faculty) as Faculty FROM `courses_table`");
        if(mysqli_num_rows($result)==0){

        } else { 
            echo"<option value=''> Search by faculty </option>";
            while($row = mysqli_fetch_assoc($result)) {
                $fname=$row['Faculty'];
                echo " <option value='$fname'> $fname </option>";
            }}

        echo "</select></div></div>

</div>
                 <div class='col-md-1'> <br>
            <input type='submit' class='btn btn-primary' value='Find'>
            </div>
       
        </div>
        </form>
        




    </div></div>"; 
    





















































        
}
       
?>







<style>
        
.form-control{
    padding-top: 1px;
    padding-bottom:1px;
 }
</style>