YAAQB: this commit fixes Bug 457 - Can't remove a group or group member in LRR (#53)

Demo video shows that the modification works

Co-authored-by: Hui Lan <lanhui@zjnu.edu.cn>
Reviewed-on: http://121.4.94.30:3000/mrlan/LRR/pulls/53
Co-authored-by: mrlan <mrlan@noreply.121.4.94.30>
Co-committed-by: mrlan <mrlan@noreply.121.4.94.30>
mrlan 2023-01-19 18:22:39 +08:00
parent 3214b26d5d
commit a02b3bec4b
2 changed files with 113 additions and 4 deletions

View File

@ -529,21 +529,37 @@ course_groups_table.Course_Group_id=course_group_members_table.Course_Group_id W
$extra3=" <a href='#' class='' onclick='accept($id,0)'>Decline</a></small>";
}
echo "<div class='btn-default'><small> $name ($status) $extra $extra2 $extra3</small></div>";
# Add "delete group" button and allow only group creator to delete it
$extra4 = "<button onclick='delete_group($id)' class='btn btn-danger' style='height: 25px; width: 90px;
line-height: 10px; font-size: 10px'>DELETE GROUP</button>";
echo "<div class='btn-default'><small> $name ($status) $extra $extra2 $extra3" .
(($status == "Created")? "$extra4": "")
."</small></div>";
$rs2=mysqli_query($con,"SELECT `ID`, `Course_Group_id`, course_group_members_table.Student_ID,
course_group_members_table.`Status`,users_table.Full_Name FROM `course_group_members_table`
INNER JOIN users_table on users_table.Student_ID=course_group_members_table.Student_ID
where course_group_members_table.Course_Group_id=$id");
#Check whether the current user in session is the creator of the group
$rs3 = mysqli_query($con, "SELECT `Status` from course_group_members_table where Student_ID = $student_id");
$flag = mysqli_fetch_assoc($rs3)['Status'] == "Created";
while($row = mysqli_fetch_assoc($rs2)) {
$name=$row['Full_Name'];
$id=$row['Course_Group_id'];
$status=$row['Status'];
$Student_ID=$row['Student_ID'];
echo "<li><small> $name-$Student_ID ($status)</small></li>";
#Show group members + remove button next to each member except the creator of the group
if($flag){
echo "<li><small> $name-$Student_ID ($status)</small>".(($status != "Created")?"<button onclick='remove_member($Student_ID, $id)'
class='btn btn-danger' style='height: 25px; width: 80px; line-height: 10px;'>remove</button>":"")."</li>";
}else{
echo "<li><small> $name-$Student_ID ($status)</small>";
}
}
@ -688,5 +704,62 @@ function remarking(data)
window.location.href = data+"&details="+details;
}
function remove_member(student_id, group_id) {
try
{
$('<form id="frm" method="get" action="Script.php"><input type="hidden" name="removemember" value="true">\n\
<input type="hidden" name="student_id" value="'+student_id+'" > \n\
<input type="hidden" name="group_id" value="'+group_id+'">\n\
<input type="hidden" name="url" value="<?php echo $url; ?>"></form>').dialog({
modal: true,
title:'Remove '+student_id+'?',
buttons: {
'Confirm': function () {
$('#frm').submit();
$(this).dialog('close');
},
'X': function () {
$(this).dialog('close');
}
}
});
} catch(e){ alert(e); }
}
function delete_group(id) {
try
{
$('<form id="frm" method="get" action="Script.php"><input type="hidden" name="deletegroup" value="true">\n\
<input type="hidden" name="group_id" value="'+id+'" > \n\
<input type="hidden" name="url" value="<?php echo $url; ?>"></form>').dialog({
modal: true,
title:'Delete this group?',
buttons: {
'Confirm': function () {
$('#frm').submit();
$(this).dialog('close');
},
'X': function () {
$(this).dialog('close');
}
}
});
} catch(e){ alert(e); }
}
</script>

View File

@ -824,6 +824,42 @@ if (!empty($_GET["acceptinvite"])) {
}
}
#Remove a member from group
if (!empty($_GET["removemember"])) {
$student_id = mysqli_real_escape_string($con, $_GET["student_id"]);
$group_id = mysqli_real_escape_string($con, $_GET["group_id"]);
$url = mysqli_real_escape_string($con, $_GET["url"]);
$sql = "Delete from `course_group_members_table` where student_id=$student_id and Course_Group_id=$group_id";
if ($con->query($sql) === TRUE) {
$_SESSION["info_ReMarking"] = " Member " . $student_id . " removed from the group";
header("Location: Course.php?url=" . $url);
} else {
echo "Error: " . $sql . "<br>" . $con->error;
}
}
#Delete a whole group
if (!empty($_GET["deletegroup"])) {
$group_id = mysqli_real_escape_string($con, $_GET["group_id"]);
$url = mysqli_real_escape_string($con, $_GET["url"]);
$sql1 = "Delete from `course_group_members_table` where Course_Group_id=$group_id";
$sql2 = "Delete from `course_groups_table` where Course_Group_id=$group_id";
if ($con->query($sql1) === TRUE && $con->query($sql2) === TRUE) {
$_SESSION["info_ReMarking"] = " Group has been deleted successfully. ";
header("Location: Course.php?url=" . $url);
} else {
echo "Error: " . $sql . "<br>" . $con->error;
}
}
#Extend Deadline
if (!empty($_GET["extenddeadline"])) {