Upload download_receipt.php

easypay/download_receipt.php

@@ -0,0 +1,134 @@
+<?php
+require_once 'db_config.php';
+require_once 'includes/ReceiptGenerator.php';
+
+// Prevent output from messing up image headers
+ob_start();
+ini_set('display_errors', 0);
+error_reporting(E_ALL & ~E_DEPRECATED & ~E_NOTICE);
+
+// Validate input
+$receiptNo = $_GET['receipt_no'] ?? '';
+if (empty($receiptNo)) {
+    die("Receipt number is required.");
+}
+
+try {
+    // 1. Fetch Receipt Meta Info (Student, Date)
+    $sqlInfo = "SELECT pr.student_id, pr.payment_date, 
+                       sr.last_name, sr.first_name, sr.other_name, sr.student_code,
+                       al.level_name
+                FROM tb_account_payment_registers pr
+                JOIN tb_student_registrations sr ON pr.student_id = sr.id
+                LEFT JOIN tb_academic_levels al ON sr.level_id = al.id
+                WHERE pr.receipt_no = :receipt_no
+                LIMIT 1";
+
+    $stmt = $pdo->prepare($sqlInfo);
+    $stmt->execute(['receipt_no' => $receiptNo]);
+    $receiptInfo = $stmt->fetch(PDO::FETCH_ASSOC);
+
+    if (!$receiptInfo) {
+        die("Receipt not found.");
+    }
+
+    $studentId = $receiptInfo['student_id'];
+    $paymentDate = $receiptInfo['payment_date'];
+
+    // 2. Fetch All Fees for Student (from receivables)
+    $sqlFees = "SELECT ar.fee_id, ar.actual_value as amount_billed,
+                       ar.academic_session, ar.term_of_session,
+                       sf.description as fee_description
+                FROM tb_account_receivables ar
+                JOIN tb_account_school_fees sf ON ar.fee_id = sf.id
+                WHERE ar.student_id = :sid
+                ORDER BY ar.academic_session ASC, ar.term_of_session ASC";
+
+    $stmtFees = $pdo->prepare($sqlFees);
+    $stmtFees->execute(['sid' => $studentId]);
+    $allFees = $stmtFees->fetchAll(PDO::FETCH_ASSOC);
+
+    $allocations = [];
+    $receiptTotalPaid = 0;
+
+    foreach ($allFees as $fee) {
+        // Calculate Paid To Date (up to this receipt's date)
+        $sqlPaid = "SELECT SUM(amount_paid) as total_paid
+                    FROM tb_account_payment_registers
+                    WHERE student_id = :sid
+                      AND fee_id = :fid
+                      AND academic_session = :as
+                      AND term_of_session = :ts
+                      AND payment_date <= :pd";
+
+        $stmtPaid = $pdo->prepare($sqlPaid);
+        $stmtPaid->execute([
+            'sid' => $studentId,
+            'fid' => $fee['fee_id'],
+            'as' => $fee['academic_session'],
+            'ts' => $fee['term_of_session'],
+            'pd' => $paymentDate
+        ]);
+        $paidResult = $stmtPaid->fetch(PDO::FETCH_ASSOC);
+        $paidToDate = floatval($paidResult['total_paid'] ?? 0);
+
+        // Calculate Amount paid IN THIS RECEIPT (for total calculation)
+        $sqlReceiptPay = "SELECT SUM(amount_paid) as receipt_paid
+                          FROM tb_account_payment_registers
+                          WHERE receipt_no = :rno
+                            AND fee_id = :fid
+                            AND academic_session = :as
+                            AND term_of_session = :ts";
+        $stmtReceiptPay = $pdo->prepare($sqlReceiptPay);
+        $stmtReceiptPay->execute([
+            'rno' => $receiptNo,
+            'fid' => $fee['fee_id'],
+            'as' => $fee['academic_session'],
+            'ts' => $fee['term_of_session']
+        ]);
+        $receiptPayResult = $stmtReceiptPay->fetch(PDO::FETCH_ASSOC);
+        $paidInReceipt = floatval($receiptPayResult['receipt_paid'] ?? 0);
+
+        $receiptTotalPaid += $paidInReceipt;
+        $balance = floatval($fee['amount_billed']) - $paidToDate;
+
+        // Condition: Show if (Balance > 0) OR (PaidInReceipt > 0)
+        // Helps filter out old fully paid fees, but keeps current payments even if they zeroed the balance
+        if ($balance > 0.001 || $paidInReceipt > 0.001) {
+            $allocations[] = [
+                'description' => $fee['fee_description'],
+                'academic_session' => $fee['academic_session'],
+                'term_of_session' => $fee['term_of_session'],
+                'amount_billed' => floatval($fee['amount_billed']),
+                'amount' => $paidInReceipt,
+                'total_paid_to_date' => $paidToDate,
+                'balance' => $balance
+            ];
+        }
+    }
+
+    // 3. Prepare data structure for generator
+    $data = [
+        'receipt_no' => $receiptNo,
+        'student_name' => trim($receiptInfo['last_name'] . ' ' . $receiptInfo['first_name'] . ' ' . ($receiptInfo['other_name'] ?? '')),
+        'student_code' => $receiptInfo['student_code'],
+        'level_name' => $receiptInfo['level_name'] ?? '',
+        'payment_date' => $paymentDate,
+        'total_paid' => $receiptTotalPaid,
+        'allocations' => $allocations
+    ];
+
+    // 4. Generate Image
+    $generator = new ReceiptGenerator();
+    $imageData = $generator->generate($data);
+
+    // 5. Output
+    ob_end_clean(); // Discard any warnings/output buffered so far
+    header('Content-Type: image/png');
+    header('Content-Disposition: attachment; filename="receipt_' . $receiptNo . '.png"');
+    header('Content-Length: ' . strlen($imageData));
+    echo $imageData;
+
+} catch (Exception $e) {
+    die("Error generating receipt: " . $e->getMessage());
+}