FM / Manager

/home/techb158/workloadmatch.com/workloadmatch.com/Manager/

/home/techb158/workloadmatch.com/workloadmatch.com/Manager

Name	Size	Mode	Actions
core/	-	0755	rm
css/	-	0755	rm
data/	-	0755	rm
fonts/	-	0755	rm
Inc/	-	0755	rm
js/	-	0755	rm
php/	-	0755	rm
accesscontrol.php	16039	0644	edit dl rm
AddClient.php	3930	0644	edit dl rm
addcourse.php	17736	0644	edit dl rm
addcoursesession.php	20528	0644	edit dl rm
addcoursetime.php	17305	0644	edit dl rm
addgroup - Copy.php	21212	0644	edit dl rm
addgroup.php	22999	0644	edit dl rm
addgroup1.php	20667	0644	edit dl rm
addholiday.php	18019	0644	edit dl rm
addmanager.php	18765	0644	edit dl rm
addremediation.php	17877	0644	edit dl rm
addretake.php	21914	0644	edit dl rm
adduser.php	30079	0644	edit dl rm
adduser1.php	23527	0644	edit dl rm
Add_Course_Session.php	6529	0644	edit dl rm
add_event.php	1960	0644	edit dl rm
Add_Teacher_Unavailability.php	1746	0644	edit dl rm
adminreports.php	16219	0644	edit dl rm
AI_Generate_Schedule - Copy.php	12217	0644	edit dl rm
AI_Generate_Schedule.php	10731	0644	edit dl rm
ajax_course_group_Backup.php	17270	0644	edit dl rm
ajax_course_group_Backup_1.php	18742	0644	edit dl rm
ajax_fetch_schedule.php	3760	0644	edit dl rm
ajax_get_group_slots.php	872	0644	edit dl rm
ajax_replace_saturday -Completed.php	18739	0644	edit dl rm
ajax_replace_saturday - Copy (2).php	18739	0644	edit dl rm
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ajax_swap_courses.php	4279	0644	edit dl rm
assign_course_group-BackUp.php	21331	0644	edit dl rm
assign_course_group - Copy (BackUp).php	18315	0644	edit dl rm
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assign_course_group1.php	20962	0644	edit dl rm
Assign_Course_Report.php	1375	0644	edit dl rm
assign_teacher_manual-1.php	21095	0644	edit dl rm
assign_teacher_manual - Copy (2).php	22328	0644	edit dl rm
assign_teacher_manual - Copy.php	22388	0644	edit dl rm
assign_teacher_manual-Not work.php	20585	0644	edit dl rm
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availableteacherreport.php	13718	0644	edit dl rm
Available_Teacher_Report - Copy.php	2236	0644	edit dl rm
Available_Teacher_Report.php	7691	0644	edit dl rm
brokerreports.php	16318	0644	edit dl rm
calendar - Copy (2).php	16891	0644	edit dl rm
calendar - Copy.php	23193	0644	edit dl rm
calendar.php	30653	0644	edit dl rm
changestatus.php	865	0644	edit dl rm
Check_if_Teacher_Report.php	1587	0644	edit dl rm
complete_schedule_report_by_teacher.php	19312	0644	edit dl rm
courseflagtime.php	3411	0644	edit dl rm
Create_Group_Schedule_Algorithm.php	3828	0644	edit dl rm
Create_Schedule_Algorithm - Copy (2).php	41412	0644	edit dl rm
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Create_Schedule_Algorithm - Copy (14).php	87274	0644	edit dl rm
Create_Schedule_Algorithm - Copy (get info only).php	69747	0644	edit dl rm
Create_Schedule_Algorithm - Copy (with 2 course 2nd SPECIAL ).php	82314	0644	edit dl rm
Create_Schedule_Algorithm - Copy.php	40581	0644	edit dl rm
Create_Schedule_Algorithm.php	88276	0644	edit dl rm
Create_Schedule_Algorithm_1.php	41412	0644	edit dl rm
Create_Schedule_Algorithm_2.php	76505	0644	edit dl rm
Create_Schedule_Algorithm_2_combined.php	89764	0644	edit dl rm
Create_Schedule_Algorithm_2_combined_both_slots.php	91932	0644	edit dl rm
Create_Schedule_Algorithm_2_fixed.php	76829	0644	edit dl rm
Create_Schedule_Algorithm_3.php	87274	0644	edit dl rm
Create_Schedule_Algorithm_4.php	87274	0644	edit dl rm
dashboard-BackUp.php	18806	0644	edit dl rm
dashboard.php	22507	0644	edit dl rm
deleteschedulefromgroup.php	16819	0644	edit dl rm
delete_course.php	580	0644	edit dl rm
delete_course_from_teacher.php	4990	0644	edit dl rm
delete_course_from_teacher_backup.php	3094	0644	edit dl rm
delete_event.php	1212	0644	edit dl rm
delete_group.php	1858	0644	edit dl rm
delete_holiday.php	715	0644	edit dl rm
delete_retake.php	1276	0644	edit dl rm
delete_schedule_from_group-1.php	1870	0644	edit dl rm
delete_schedule_from_group.php	1850	0644	edit dl rm
delete_teacher_level.php	798	0644	edit dl rm
delete_teacher_unavailability.php	1347	0644	edit dl rm
delete_timeslot.php	597	0644	edit dl rm
display_schedule-1.php	18846	0644	edit dl rm
display_schedule.php	18846	0644	edit dl rm
do_remove_saturday.php	6170	0644	edit dl rm
edit_event.php	1612	0644	edit dl rm
error_log	74070	0644	edit dl rm
examschedulereport.php	16267	0644	edit dl rm
Exam_Schedule_Report.php	2677	0644	edit dl rm
export_absences.php	1221	0644	edit dl rm
fetch_all_scheduled_courses.php	6318	0644	edit dl rm
fetch_courses - BackUp.php	9711	0644	edit dl rm
fetch_courses - Copy.php	7719	0644	edit dl rm
fetch_courses.php	9167	0644	edit dl rm
fetch_courses_for_program.php	788	0644	edit dl rm
fetch_courses_for_program_by_schedule - Copy.php	2297	0644	edit dl rm
fetch_courses_for_program_by_schedule.php	3935	0644	edit dl rm
fetch_courses_teacher_preference.php	3852	0644	edit dl rm
fetch_course_for_added_group.php	897	0644	edit dl rm
fetch_course_hours.php	691	0644	edit dl rm
fetch_disabled_dates.php	518	0644	edit dl rm
fetch_events.php	975	0644	edit dl rm
fetch_exist_dates.php	1099	0644	edit dl rm
fetch_groups_exist_in_schedule.php	956	0644	edit dl rm
fetch_groups_for_program.php	843	0644	edit dl rm
fetch_group_timeslot.php	847	0644	edit dl rm
fetch_reserve_courses.php	7429	0644	edit dl rm
fetch_retake_courses.php	923	0644	edit dl rm
fetch_scheduled_courses.php	2178	0644	edit dl rm
fetch_schedule_report_by_group.php	5440	0644	edit dl rm
fetch_teachers_by_group.php	4421	0644	edit dl rm
fetch_teachers_by_program.php	1821	0644	edit dl rm
fetch_teachers_for_group.php	3170	0644	edit dl rm
fetch_teacher_assignment.php	24776	0644	edit dl rm
fetch_teacher_by_course.php	3880	0644	edit dl rm
fetch_teacher_conflicts.php	5682	0644	edit dl rm
fetch_teacher_conflicts_only.php	7665	0644	edit dl rm
fetch_teacher_conflicts_only_force_conflicts.php	7114	0644	edit dl rm
fetch_teacher_conflicts_showonly.php	10447	0644	edit dl rm
fetch_teacher_load.php	1482	0644	edit dl rm
fetch_teacher_prefrence_courses_accounting.php	1606	0644	edit dl rm
find_replacement-1.php	16075	0644	edit dl rm
find_replacement.php	18161	0644	edit dl rm
followup.php	16160	0644	edit dl rm
Generate Group Schedule.php	16987	0644	edit dl rm
Generate Group Schedule 1.php	18121	0644	edit dl rm
generateschedule.php	15706	0644	edit dl rm
Generate_Schedule.php	33620	0644	edit dl rm
generate_schedule_handler.php	7095	0644	edit dl rm
Generate_Schedule_Script.php	29731	0644	edit dl rm
getlang.php	326	0644	edit dl rm
getrefer.php	4349	0644	edit dl rm
getstatus.php	1260	0644	edit dl rm
get_groups_by_program.php	608	0644	edit dl rm
get_schedule_ai-1.php	37755	0644	edit dl rm
get_schedule_ai - Copy.php	36459	0644	edit dl rm
get_schedule_ai.php	36855	0644	edit dl rm
get_schedule_report.php	2393	0644	edit dl rm
group_schedule_form - Copy.php	16994	0644	edit dl rm
group_schedule_form.php	16994	0644	edit dl rm
main-header-inc.php	1196	0644	edit dl rm
main-header.php	16671	0644	edit dl rm
managecategory.php	9233	0644	edit dl rm
managerreports.php	25056	0644	edit dl rm
Preference_Accounting.php	22503	0644	edit dl rm
profile.php	20680	0644	edit dl rm
reference_list.php	8207	0644	edit dl rm
remove_saturday_course.php	19503	0644	edit dl rm
report_absence.php	19287	0644	edit dl rm
report_absence_1.php	6160	0644	edit dl rm
reserve_course.php	18957	0644	edit dl rm
rewrite_ajax_replace_saturday.php	12800	0644	edit dl rm
rewrite_Create_Schedule_Algorithm.php	88318	0644	edit dl rm
rewrite_Create_Schedule_Algorithm_2.php	88900	0644	edit dl rm
save_schedule.php	2970	0644	edit dl rm
save_schedule_group_course.php	25367	0644	edit dl rm
schedulereportbygroup.php	17731	0644	edit dl rm
schedulereportbyteacher.php	19111	0644	edit dl rm
scheduleteacherbygroupreport - Copy.php	31986	0644	edit dl rm
scheduleteacherbygroupreport.php	36556	0644	edit dl rm
scheduleteacherreport.php	28150	0644	edit dl rm
schedule_report.php	17664	0644	edit dl rm
Schedule_Report_by_Group.php	3647	0644	edit dl rm
Schedule_Report_by_Teacher.php	92433	0644	edit dl rm
selectuser.php	1172	0644	edit dl rm
swapcourses.php	19469	0644	edit dl rm
teacher_preference.php	18182	0644	edit dl rm
teacher_preference_by_course.php	19244	0644	edit dl rm
teacher_unavailability.php	17835	0644	edit dl rm
test.php	13895	0644	edit dl rm
test1.php	21837	0644	edit dl rm
transfer_reference.php	27288	0644	edit dl rm
unassigncoursereport.php	16029	0644	edit dl rm
unassign_course.php	19011	0644	edit dl rm
Unassign_Course_Report.php	1697	0644	edit dl rm
unscheduledgroupreport.php	15675	0644	edit dl rm
Unscheduled_Group_Report.php	2007	0644	edit dl rm
updateclient.php	14765	0644	edit dl rm
updatecourse.php	21626	0644	edit dl rm
updatecoursesessionhours.php	18197	0644	edit dl rm
updatecoursetime.php	21831	0644	edit dl rm
updategroup - Copy.php	24534	0644	edit dl rm
updategroup.php	18001	0644	edit dl rm
updateholiday.php	22493	0644	edit dl rm
updateteacherlevel.php	24532	0644	edit dl rm
updateteacherunavailability.php	14184	0644	edit dl rm
UpdateUser.php	18214	0644	edit dl rm
Update_Course_Hours.php	2135	0644	edit dl rm
Update_Follow_Up.php	4618	0644	edit dl rm
update_reserve_course.php	1934	0644	edit dl rm
update_teacher_level	2508	0644	edit dl rm
update_teacher_level.php	2430	0644	edit dl rm
useraccesslist.php	12875	0644	edit dl rm
users.php	9049	0644	edit dl rm
view_swap_log.php	894	0644	edit dl rm

Edit: /home/techb158/workloadmatch.com/workloadmatch.com/Manager/test1.php (21837B)

<?php
include_once '../includes/db_connect.php';
include_once '../includes/functions.php';
sec_session_start();

//if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['Program_ID'], $_POST['Group_ID'])) {
    // Get Program ID and Group ID from the submitted form
    $Program_ID = 1;
    $Group_ID = 0;
	$Reserve_Course = 0;

// For demonstration, using fixed Program_ID and Group_ID (in your actual system, these come from the submitted form)
//$Program_ID = 1;
//$Group_ID   = 13;

// -----------------------------
// STEP 1: Get all unassigned schedules for this Program
// -----------------------------

if($Group_ID != 0)
{
$scheduleQuery = "SELECT * FROM Course_Group_Schedule 
                  WHERE Assigned = 0 
                    AND Program_ID = ? 
					AND Group_ID = ?
                    AND Reserve_Course = ?                     
                  ORDER BY Time_Slot";
				  $stmt = $mysqli->prepare($scheduleQuery);
				  $stmt->bind_param("iii", $Program_ID, $Group_ID, $Reserve_Course);
}else{
$scheduleQuery = "SELECT * FROM Course_Group_Schedule 
                  WHERE Assigned = 0 
                    AND Program_ID = ? 
                    AND Reserve_Course = ? 
                  ORDER BY Time_Slot";
				  $stmt = $mysqli->prepare($scheduleQuery);
				  $stmt->bind_param("ii", $Program_ID, $Reserve_Course);
}

if (!$stmt) {
    die("Error preparing schedule query: " . $mysqli->error);
}

if (!$stmt->execute()) {
    die("Error executing schedule query: " . $stmt->error);
}
$schedulesResult = $stmt->get_result();
$schedules = [];
while ($row = $schedulesResult->fetch_assoc()) {
    $schedules[] = $row;
}
$stmt->close();

// -----------------------------
// STEP 2: Get teachers for this Program, combining Teacher_Profile and Top_Teacher_List.
// Ordering: Premium (top) teachers first, then teachers with Seniority_ID = 1 (qualified),
// then teachers with Seniority_ID = 2 (unqualified).
// -----------------------------
//$teacherQuery = "
//    SELECT 
//        tp.Teacher_ID, 
//        tp.First_Name, 
//        tp.Last_Name, 
//        tp.Seniority_ID, 
//        tp.Time_Slot AS Availability,
//        tp.Load_Hours,
//        ttl.Top_Teacher_ID,
//        ttl.Teacher_Level
//    FROM Teacher_Profile tp
//    LEFT JOIN Top_Teacher_List ttl 
//        ON tp.Teacher_ID = ttl.Teacher_ID 
//        AND ttl.Program_ID = ?
//    WHERE 1
//    ORDER BY 
//        CASE 
//            WHEN ttl.Top_Teacher_ID IS NOT NULL THEN 1
//            WHEN tp.Seniority_ID = 1 THEN 2
//            WHEN tp.Seniority_ID = 2 THEN 3
//            ELSE 4
//        END,
//        tp.First_Name ASC,
//        tp.Last_Name ASC
//";
//$stmt = $mysqli->prepare($teacherQuery);
//if (!$stmt) {
//    die("Error preparing teacher query: " . $mysqli->error);
//}
//$stmt->bind_param("i", $Program_ID);
//if (!$stmt->execute()) {
//    die("Error executing teacher query: " . $stmt->error);
//}
//$result = $stmt->get_result();
//$teachers = [];
//while ($row = $result->fetch_assoc()) {
//    $teachers[] = $row;
//}
//$stmt->close();

//// Debug: Optional print teacher list
//foreach ($teachers as $teacher) {
//    $isPremium = !empty($teacher['Top_Teacher_ID']) ? "Premium (Level: " . $teacher['Teacher_Level'] . ")" : "";
//    echo $teacher['First_Name'] . " " . $teacher['Last_Name'] . " - Seniority: " . $teacher['Seniority_ID'] . " " . $isPremium . " - Load Hours: " . $teacher['Load_Hours'] . "<br>";
//}

// STEP 2: Get teachers for this Program by combining Teacher_Profile and Top_Teacher_List.
// (No filtering on Teacher_Profile by Program_ID because it's not in that table.)
$teacherQuery = "
    SELECT 
        tp.Teacher_ID, 
        tp.First_Name, 
        tp.Last_Name, 
        tp.Seniority_ID, 
        tp.Time_Slot AS Availability,
        tp.Load_Hours,
        ttl.Top_Teacher_ID,
        ttl.Teacher_Level
    FROM Teacher_Profile tp
    LEFT JOIN Top_Teacher_List ttl 
        ON tp.Teacher_ID = ttl.Teacher_ID 
        AND ttl.Program_ID = ?
    WHERE 1
    ORDER BY tp.First_Name ASC, tp.Last_Name ASC
";
$stmt = $mysqli->prepare($teacherQuery);
if (!$stmt) {
    die("Error preparing teacher query: " . $mysqli->error);
}
$stmt->bind_param("i", $Program_ID);
$stmt->execute();
$result = $stmt->get_result();
$allTeachers = [];
while ($row = $result->fetch_assoc()) {
    $allTeachers[] = $row;
}
$stmt->close();

// Initialize the round-robin pointer
$teacherCount = count($teachers);
$teacherIndex = 0;

// -----------------------------
// STEP 3: Loop through each unassigned schedule and try to assign a teacher
// -----------------------------
// Separate teachers into groups
$premiumTeachers = [];
$qualifiedTeachers = [];
$unqualifiedTeachers = [];

foreach ($allTeachers as $teacher) {
    if (!empty($teacher['Top_Teacher_ID'])) {
        $premiumTeachers[] = $teacher;
    } elseif ($teacher['Seniority_ID'] == 1) {
        $qualifiedTeachers[] = $teacher;
    } elseif ($teacher['Seniority_ID'] == 2) {
        $unqualifiedTeachers[] = $teacher;
    }
}

// Initialize round-robin pointers for each group
$ptrPremium = 0;
$ptrQualified = 0;
$ptrUnqualified = 0;
$cntPremium = count($premiumTeachers);
$cntQualified = count($qualifiedTeachers);
$cntUnqualified = count($unqualifiedTeachers);

// (Optional) Debug output: print ordered teacher groups
echo "<h3>Premium Teachers:</h3>";
foreach ($premiumTeachers as $t) {
    echo $t['First_Name']." ".$t['Last_Name']." (Level: ".$t['Teacher_Level'].")<br>";
}
echo "<h3>Qualified Teachers:</h3>";
foreach ($qualifiedTeachers as $t) {
    echo $t['First_Name']." ".$t['Last_Name']." (Seniority: ".$t['Seniority_ID'].")<br>";
}
echo "<h3>Unqualified Teachers:</h3>";
foreach ($unqualifiedTeachers as $t) {
    echo $t['First_Name']." ".$t['Last_Name']." (Seniority: ".$t['Seniority_ID'].")<br>";
}
echo "<hr>";

// Helper inline: For each teacher, perform assignment checks.
// (Availability, conflict, load hours, preferences)
foreach ($schedules as $schedule) {
    $assigned = false;
    
    // Function to check if teacher can be assigned
    // (We inline the checks here.)
    $canAssign = function($teacher, $schedule) use ($mysqli, $Program_ID) {
        // Check availability: Teacher's Availability field is a comma-separated list.
        $availableSlots = array_map('trim', explode(',', $teacher['Availability']));
        if (!in_array($schedule['Time_Slot'], $availableSlots)) {
            return false;
        }
        
        // Check conflicts: any overlapping assignment in the same time slot.
        $conflictQuery = "SELECT COUNT(*) AS cnt FROM Teacher_Course_Assignments
                          WHERE Teacher_ID = ? 
                            AND Time_Slot = ?
                            AND (? <= End_Date AND ? >= Start_Date)";
        $conflictStmt = $mysqli->prepare($conflictQuery);
        if (!$conflictStmt) {
            echo "Error preparing conflict query: " . $mysqli->error . "<br>";
            return false;
        }
        $conflictStmt->bind_param("isss", $teacher['Teacher_ID'], $schedule['Time_Slot'], $schedule['Start_Date'], $schedule['End_Date']);
        if (!$conflictStmt->execute()) {
            echo "Error executing conflict query: " . $conflictStmt->error . "<br>";
            $conflictStmt->close();
            return false;
        }
        $conflictResult = $conflictStmt->get_result();
        $conflictRow = $conflictResult->fetch_assoc();
        $conflictCount = $conflictRow['cnt'];
        $conflictStmt->close();
        if ($conflictCount > 0) {
            return false;
        }
        
        // Check load hours capacity:
        // 1. Get teacher's current assigned hours.
        $currentLoadQuery = "SELECT IFNULL(SUM(c.Course_Time), 0) AS total_hours
                             FROM Teacher_Course_Assignments tca
                             JOIN Courses c ON tca.Course_ID = c.Course_ID
                             WHERE tca.Teacher_ID = ?";
        $currentLoadStmt = $mysqli->prepare($currentLoadQuery);
        if (!$currentLoadStmt) {
            echo "Error preparing current load query: " . $mysqli->error . "<br>";
            return false;
        }
        $currentLoadStmt->bind_param("i", $teacher['Teacher_ID']);
        $currentLoadStmt->execute();
        $currentLoadResult = $currentLoadStmt->get_result();
        $currentLoadRow = $currentLoadResult->fetch_assoc();
        $currentLoad = $currentLoadRow['total_hours'];
        $currentLoadStmt->close();
        
        // 2. Get new course's hours.
        $courseQuery = "SELECT Course_Time FROM Courses WHERE Course_ID = ?";
        $courseStmt = $mysqli->prepare($courseQuery);
        if (!$courseStmt) {
            echo "Error preparing course query: " . $mysqli->error . "<br>";
            return false;
        }
        $courseStmt->bind_param("i", $schedule['Course_ID']);
        $courseStmt->execute();
        $courseResult = $courseStmt->get_result();
        $courseData = $courseResult->fetch_assoc();
        $newCourseTime = $courseData['Course_Time'];
        $courseStmt->close();
        
        if (($currentLoad + $newCourseTime) > $teacher['Load_Hours']) {
            return false;
        }
        
        // Check teacher's course preferences.
        $prefQuery = "SELECT * FROM Teacher_Course_Preferences 
                      WHERE Teacher_ID = ? 
                        AND Course_ID = ? 
                        AND Priority IN (1,2)
                      ORDER BY Priority ASC";
        $prefStmt = $mysqli->prepare($prefQuery);
        if (!$prefStmt) {
            echo "Error preparing preference query: " . $mysqli->error . "<br>";
            return false;
        }
        $prefStmt->bind_param("ii", $teacher['Teacher_ID'], $schedule['Course_ID']);
        $prefStmt->execute();
        $prefResult = $prefStmt->get_result();
        $preferences = [];
        while ($prefRow = $prefResult->fetch_assoc()) {
            $preferences[] = $prefRow;
        }
        $prefStmt->close();
        
        if (empty($preferences)) {
            return false;
        }
        
        return true;
    }; // end of anonymous function
    
    // Try to assign from premium teachers first
    if ($cntPremium > 0) {
        for ($i = 0; $i < $cntPremium; $i++) {
            $currentIndex = ($ptrPremium + $i) % $cntPremium;
            $teacher = $premiumTeachers[$currentIndex];
            if ($canAssign($teacher, $schedule)) {
                // Assign this teacher
                // Insert assignment
                $insertQuery = "INSERT INTO Teacher_Course_Assignments 
                    (Teacher_ID, Course_ID, Group_ID, Program_ID, Schedule_ID, Time_Slot, Start_Date, End_Date, Assigned_At)
                    VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)";
                $insertStmt = $mysqli->prepare($insertQuery);
                if (!$insertStmt) {
                    echo "Error preparing insert query: " . $mysqli->error . "<br>";
                    continue;
                }
                $assignedAt = date('Y-m-d H:i:s');
                $insertStmt->bind_param("iiiiissss",
                    $teacher['Teacher_ID'],
                    $schedule['Course_ID'],
                    $schedule['Group_ID'],
                    $schedule['Program_ID'],
                    $schedule['Schedule_ID'],
                    $schedule['Time_Slot'],
                    $schedule['Start_Date'],
                    $schedule['End_Date'],
                    $assignedAt
                );
                if (!$insertStmt->execute()) {
                    echo "Error executing insert query: " . $insertStmt->error . "<br>";
                    $insertStmt->close();
                    continue;
                }
                $insertStmt->close();
                
                // Mark schedule as assigned.
                $updateQuery = "UPDATE Course_Group_Schedule SET Assigned = 1 WHERE Schedule_ID = ?";
                $updateStmt = $mysqli->prepare($updateQuery);
                if (!$updateStmt) {
                    echo "Error preparing update query: " . $mysqli->error . "<br>";
                    continue;
                }
                $updateStmt->bind_param("i", $schedule['Schedule_ID']);
                if (!$updateStmt->execute()) {
                    echo "Error executing update query: " . $updateStmt->error . "<br>";
                    $updateStmt->close();
                    continue;
                }
                $updateStmt->close();
                
                // Update pointer for premium group.
                $ptrPremium = ($currentIndex + 1) % $cntPremium;
                $assigned = true;
                break;
            }
        }
    }
    
    // If not assigned by premium, try qualified teachers.
    if (!$assigned && $cntQualified > 0) {
        for ($i = 0; $i < $cntQualified; $i++) {
            $currentIndex = ($ptrQualified + $i) % $cntQualified;
            $teacher = $qualifiedTeachers[$currentIndex];
            if ($canAssign($teacher, $schedule)) {
                $insertQuery = "INSERT INTO Teacher_Course_Assignments 
                    (Teacher_ID, Course_ID, Group_ID, Program_ID, Schedule_ID, Time_Slot, Start_Date, End_Date, Assigned_At)
                    VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)";
                $insertStmt = $mysqli->prepare($insertQuery);
                if (!$insertStmt) {
                    echo "Error preparing insert query: " . $mysqli->error . "<br>";
                    continue;
                }
                $assignedAt = date('Y-m-d H:i:s');
                $insertStmt->bind_param("iiiiissss",
                    $teacher['Teacher_ID'],
                    $schedule['Course_ID'],
                    $schedule['Group_ID'],
                    $schedule['Program_ID'],
                    $schedule['Schedule_ID'],
                    $schedule['Time_Slot'],
                    $schedule['Start_Date'],
                    $schedule['End_Date'],
                    $assignedAt
                );
                if (!$insertStmt->execute()) {
                    echo "Error executing insert query: " . $insertStmt->error . "<br>";
                    $insertStmt->close();
                    continue;
                }
                $insertStmt->close();
                
                $updateQuery = "UPDATE Course_Group_Schedule SET Assigned = 1 WHERE Schedule_ID = ?";
                $updateStmt = $mysqli->prepare($updateQuery);
                if (!$updateStmt) {
                    echo "Error preparing update query: " . $mysqli->error . "<br>";
                    continue;
                }
                $updateStmt->bind_param("i", $schedule['Schedule_ID']);
                if (!$updateStmt->execute()) {
                    echo "Error executing update query: " . $updateStmt->error . "<br>";
                    $updateStmt->close();
                    continue;
                }
                $updateStmt->close();
                
                $ptrQualified = ($currentIndex + 1) % $cntQualified;
                $assigned = true;
                break;
            }
        }
    }
    
    // If still not assigned, try unqualified teachers.
    if (!$assigned && $cntUnqualified > 0) {
        for ($i = 0; $i < $cntUnqualified; $i++) {
            $currentIndex = ($ptrUnqualified + $i) % $cntUnqualified;
            $teacher = $unqualifiedTeachers[$currentIndex];
            if ($canAssign($teacher, $schedule)) {
                $insertQuery = "INSERT INTO Teacher_Course_Assignments 
                    (Teacher_ID, Course_ID, Group_ID, Program_ID, Schedule_ID, Time_Slot, Start_Date, End_Date, Assigned_At)
                    VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)";
                $insertStmt = $mysqli->prepare($insertQuery);
                if (!$insertStmt) {
                    echo "Error preparing insert query: " . $mysqli->error . "<br>";
                    continue;
                }
                $assignedAt = date('Y-m-d H:i:s');
                $insertStmt->bind_param("iiiiissss",
                    $teacher['Teacher_ID'],
                    $schedule['Course_ID'],
                    $schedule['Group_ID'],
                    $schedule['Program_ID'],
                    $schedule['Schedule_ID'],
                    $schedule['Time_Slot'],
                    $schedule['Start_Date'],
                    $schedule['End_Date'],
                    $assignedAt
                );
                if (!$insertStmt->execute()) {
                    echo "Error executing insert query: " . $insertStmt->error . "<br>";
                    $insertStmt->close();
                    continue;
                }
                $insertStmt->close();
                
                $updateQuery = "UPDATE Course_Group_Schedule SET Assigned = 1 WHERE Schedule_ID = ?";
                $updateStmt = $mysqli->prepare($updateQuery);
                if (!$updateStmt) {
                    echo "Error preparing update query: " . $mysqli->error . "<br>";
                    continue;
                }
                $updateStmt->bind_param("i", $schedule['Schedule_ID']);
                if (!$updateStmt->execute()) {
                    echo "Error executing update query: " . $updateStmt->error . "<br>";
                    $updateStmt->close();
                    continue;
                }
                $updateStmt->close();
                
                $ptrUnqualified = ($currentIndex + 1) % $cntUnqualified;
                $assigned = true;
                break;
            }
        }
    }
}

// Build the query to retrieve teacher assignments along with related details
$query = "
    SELECT 
        tca.Assignment_ID,
        tca.Teacher_ID,
        tca.Course_ID,
        tca.Group_ID,
        tca.Program_ID,
        tca.Schedule_ID,
        tca.Time_Slot,
        tca.Start_Date,
        tca.End_Date,
        tca.Assigned_At,
        tp.First_Name,
        tp.Last_Name,
        p.Program_Name,
        c.Course_Name,
        g.Group_Name
    FROM Teacher_Course_Assignments tca
    JOIN Teacher_Profile tp ON tca.Teacher_ID = tp.Teacher_ID
    JOIN Programs p ON tca.Program_ID = p.Program_ID
    JOIN Courses c ON tca.Course_ID = c.Course_ID
    JOIN Manager_Group_Name g ON tca.Group_ID = g.Group_ID
    ORDER BY tca.Assigned_At DESC
";

// Execute the query
$result = $mysqli->query($query);
if (!$result) {
    die("Error executing query: " . $mysqli->error);
}
?>

<table id="example1" class="table table-bordered table-striped">
    <thead>
        <tr>
            <th>Assignment ID</th>
            <th>Teacher</th>
            <th>Course</th>
            <th>Group</th>
            <th>Program</th>
            <th>Time Slot</th>
            <th>Start Date</th>
            <th>End Date</th>
            <th>Assigned At</th>
        </tr>
    </thead>
    <tbody>
        <?php while ($row = $result->fetch_assoc()) { ?>
            <tr id="row_<?php echo $row['Assignment_ID']; ?>">
                <td><?php echo $row['Assignment_ID']; ?></td>
                <td><?php echo $row['First_Name'] . ' ' . $row['Last_Name']; ?></td>
                <td><?php echo $row['Course_Name']; ?></td>
                <td><?php echo $row['Group_Name']; ?></td>
                <td><?php echo $row['Program_Name']; ?></td>
                <td><?php echo $row['Time_Slot']; ?></td>
                <td><?php echo $row['Start_Date']; ?></td>
                <td><?php echo $row['End_Date']; ?></td>
                <td><?php echo $row['Assigned_At']; ?></td>
            </tr>
        <?php } ?>
    </tbody>
    <tfoot>
        <tr>
            <th>Assignment ID</th>
            <th>Teacher</th>
            <th>Course</th>
            <th>Group</th>
            <th>Program</th>
            <th>Time Slot</th>
            <th>Start Date</th>
            <th>End Date</th>
            <th>Assigned At</th>
        </tr>
    </tfoot>
</table>

<?php

// Query to get all teachers along with their Load_Hours from Teacher_Profile
$query = "SELECT Teacher_ID, First_Name, Last_Name, Load_Hours FROM Teacher_Profile";
$result = $mysqli->query($query);
if (!$result) {
    die("Error fetching teachers: " . $mysqli->error);
}

echo "<h2>Teacher Assigned Hours</h2>";
echo "<table border='1' cellpadding='5' cellspacing='0'>";
echo "<tr>
        <th>Teacher</th>
        <th>Load Hours</th>
        <th>Total Assigned Hours</th>
      </tr>";

while ($teacher = $result->fetch_assoc()) {
    $teacher_id = $teacher['Teacher_ID'];
    $teacherName = $teacher['First_Name'] . " " . $teacher['Last_Name'];
    $load_hours = $teacher['Load_Hours'];

// Query to sum Course_Time for all assignments of this teacher.
    // Assumes Course_Time is stored in a numeric format (e.g., integer or decimal) representing hours.
    $stmt = $mysqli->prepare("
        SELECT IFNULL(SUM(c.Course_Time), 0) AS total_hours 
        FROM Teacher_Course_Assignments tca 
        JOIN Courses c ON tca.Course_ID = c.Course_ID 
        WHERE tca.Teacher_ID = ?
    ");
    if (!$stmt) {
        die("Error preparing sum query: " . $mysqli->error);
    }
    $stmt->bind_param("i", $teacher_id);
    if (!$stmt->execute()) {
        die("Error executing sum query: " . $stmt->error);
    }
    $result2 = $stmt->get_result();
    $sum_row = $result2->fetch_assoc();
    $total_hours = $sum_row['total_hours'];
    $stmt->close();

echo "<tr>";
    echo "<td>" . htmlspecialchars($teacherName) . "</td>";
    echo "<td>" . htmlspecialchars($load_hours) . "</td>";
    echo "<td>" . htmlspecialchars($total_hours) . "</td>";
    echo "</tr>";
}

echo "</table>";

//} else {
    //echo "Program ID and Group ID are required.";
//}
?>

cmd: