";
@@ -199,13 +194,34 @@ include 'Header.php';
$group_id = -1;
}
- $result = mysqli_query($con,"SELECT Lab_Report_ID, Marks, `Course_ID`, `Posted_Date`, `Deadline`, `Instructions`, lab_reports_table.Title, `Attachment_link_1`, `Attachment_link_2`, `Attachment_link_3`, `Attachment_link_4` FROM `lab_reports_table` WHERE Lab_Report_ID not in (select Lab_Report_ID from lab_report_submissions where (Student_id=$student_id or Course_Group_id=$group_id)) and Course_ID=$course_id and Deadline < '$c_date' ORDER by Lab_Report_ID DESC");
+$submitted_query = "SELECT Lab_Report_ID FROM lab_report_submissions WHERE (Student_id = $student_id OR Course_Group_id = $group_id)";
+$submitted_result = mysqli_query($con, $submitted_query);
- if(mysqli_num_rows($result) == 0)
- {
- echo '
You missed no lab reports.
';
+if (!$submitted_result) {
+ die('Query failed: ' . mysqli_error($con));
+}
- } else {
+// We initialized an empty array to hold the Lab_Report_IDs
+$submitted_lab_report_ids = [];
+
+// Then we fetched all Lab_Report_IDs and stored them in the array
+while ($row = mysqli_fetch_assoc($submitted_result)) {
+ $submitted_lab_report_ids[] = $row['Lab_Report_ID'];
+}
+
+// We converted the array to a comma-separated string, for use in the main query
+$submitted_lab_report_ids_list = implode(',', $submitted_lab_report_ids);
+
+// Check if the list is empty and handle it
+if (empty($submitted_lab_report_ids_list)) {
+ $submitted_lab_report_ids_list = 'NULL'; // Handle appropriately
+}
+
+// Now, we use the variable in our main query
+$result = mysqli_query($con, "SELECT Lab_Report_ID, Marks, `Course_ID`, `Posted_Date`, `Deadline`, `Instructions`, lab_reports_table.Title, `Attachment_link_1`, `Attachment_link_2`, `Attachment_link_3`, `Attachment_link_4` FROM `lab_reports_table` WHERE Lab_Report_ID NOT IN ($submitted_lab_report_ids_list) AND Course_ID = $course_id AND Deadline < '$c_date' ORDER BY Lab_Report_ID DESC");
+if(mysqli_num_rows($result) == 0) {
+ echo '