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161
src-backup/api/export_reports.php
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161
src-backup/api/export_reports.php
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<?php
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require_once '../includes/config.php';
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header('Content-Type: application/json');
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// Check if user is logged in and is admin
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if (!isset($_SESSION['logged_in']) || $_SESSION['logged_in'] !== true || $_SESSION['role'] !== 'admin') {
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echo json_encode(['success' => false, 'message' => 'Not authorized']);
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exit();
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}
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// Get filter parameters
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$start_date = $_GET['start_date'] ?? date('Y-m-01');
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$end_date = $_GET['end_date'] ?? date('Y-m-t');
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$activity_id = $_GET['activity_id'] ?? '';
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$course_id = $_GET['course_id'] ?? '';
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$department_id = $_GET['department_id'] ?? '';
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$status = $_GET['status'] ?? '';
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// Build SQL query with filters
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$where_conditions = ["DATE(a.created_at) BETWEEN '$start_date' AND '$end_date'"];
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$join_tables = "";
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if ($activity_id) {
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$where_conditions[] = "a.activity_id = " . intval($activity_id);
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}
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if ($course_id) {
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$join_tables .= " LEFT JOIN students s ON a.student_id = s.id";
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$where_conditions[] = "s.course_id = " . intval($course_id);
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}
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if ($department_id) {
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if (strpos($join_tables, 'students s') === false) {
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$join_tables .= " LEFT JOIN students s ON a.student_id = s.id";
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}
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$where_conditions[] = "s.department_id = " . intval($department_id);
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}
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if ($status && in_array($status, ['present', 'late', 'absent', 'excused'])) {
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$where_conditions[] = "a.status = '$status'";
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}
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$where_clause = count($where_conditions) > 0 ? "WHERE " . implode(" AND ", $where_conditions) : "";
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// Get attendance records
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$sql = "SELECT
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DATE_FORMAT(a.created_at, '%Y-%m-%d') as date,
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DATE_FORMAT(a.created_at, '%H:%i:%s') as time,
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s.student_id,
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s.full_name as student_name,
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s.year_level,
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c.code as course_code,
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c.name as course_name,
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d.code as department_code,
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d.name as department_name,
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ac.name as activity_name,
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ac.location as activity_location,
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a.time_in,
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a.time_out,
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a.status,
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u.full_name as recorded_by,
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a.notes
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FROM attendance a
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LEFT JOIN students s ON a.student_id = s.id
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LEFT JOIN courses c ON s.course_id = c.id
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LEFT JOIN departments d ON s.department_id = d.id
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LEFT JOIN activities ac ON a.activity_id = ac.id
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LEFT JOIN users u ON a.created_by = u.id
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$join_tables
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$where_clause
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ORDER BY a.created_at DESC";
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$result = query($conn, $sql);
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$records = [];
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while ($row = mysqli_fetch_assoc($result)) {
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$records[] = $row;
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}
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// Create CSV file
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$filename = 'attendance_report_' . date('Y-m-d_H-i-s') . '.csv';
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$filepath = '../exports/' . $filename;
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// Create exports directory if not exists
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if (!file_exists('../exports')) {
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mkdir('../exports', 0777, true);
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}
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// Open file for writing
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$file = fopen($filepath, 'w');
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// Add UTF-8 BOM for Excel compatibility
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fputs($file, $bom = (chr(0xEF) . chr(0xBB) . chr(0xBF)));
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// Add headers
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$headers = [
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'Date',
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'Time',
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'Student ID',
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'Student Name',
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'Year Level',
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'Course Code',
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'Course Name',
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'Department Code',
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'Department Name',
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'Activity Name',
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'Activity Location',
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'Time In',
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'Time Out',
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'Status',
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'Recorded By',
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'Notes'
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];
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fputcsv($file, $headers);
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// Add data rows
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foreach ($records as $record) {
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fputcsv($file, [
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$record['date'],
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$record['time'],
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$record['student_id'],
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$record['student_name'],
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$record['year_level'],
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$record['course_code'],
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$record['course_name'],
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$record['department_code'],
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$record['department_name'],
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$record['activity_name'],
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$record['activity_location'],
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$record['time_in'],
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$record['time_out'],
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ucfirst($record['status']),
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$record['recorded_by'],
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$record['notes']
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]);
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}
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fclose($file);
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// Get statistics for summary sheet
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$stats_sql = "SELECT
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COUNT(*) as total,
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SUM(CASE WHEN status = 'present' THEN 1 ELSE 0 END) as present,
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SUM(CASE WHEN status = 'late' THEN 1 ELSE 0 END) as late,
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SUM(CASE WHEN status = 'absent' THEN 1 ELSE 0 END) as absent,
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SUM(CASE WHEN status = 'excused' THEN 1 ELSE 0 END) as excused
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FROM attendance
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WHERE DATE(created_at) BETWEEN '$start_date' AND '$end_date'";
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$stats_result = query($conn, $stats_sql);
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$stats = mysqli_fetch_assoc($stats_result);
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echo json_encode([
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'success' => true,
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'message' => 'Export completed',
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'download_url' => '../exports/' . $filename,
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'count' => count($records),
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'stats' => $stats,
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'period' => "$start_date to $end_date"
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]);
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?>
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