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log_return.php

@@ -0,0 +1,65 @@
+<?php
+// เปิด error reporting (ช่วย debug)
+ini_set('display_errors', 1);
+error_reporting(E_ALL);
+
+// ตั้งค่า timezone (สำคัญ)
+date_default_timezone_set("Asia/Bangkok");
+
+// ตั้งค่าการเชื่อมต่อฐานข้อมูล
+$host = 'zeus.rmutsv.ac.th';
+$dbname = 'libreturn';
+$username = 'libreturn';
+$password = 'lib99$A8';
+try {
+    $pdo = new PDO("mysql:host=$host;dbname=$dbname;charset=utf8", $username, $password);
+    $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+
+    // รับค่าจาก ESP32
+    $barcode = $_POST['barcode'] ?? '';
+    $title = $_POST['title'] ?? '';
+    $patron_code = $_POST['patron_code'] ?? '';
+    $patron_name = $_POST['patron_name'] ?? '';
+    
+    // ถ้าว่างให้เป็น NULL
+    $checkout_date = !empty($_POST['checkout_date']) ? $_POST['checkout_date'] : null;
+    $due_date = !empty($_POST['due_date']) ? $_POST['due_date'] : null;
+    $return_datetime = !empty($_POST['return_datetime']) ? $_POST['return_datetime'] : date('Y-m-d H:i:s');
+
+    $late_days = $_POST['late_days'] ?? 0;
+    $fine_amount = $_POST['fine_amount'] ?? 0;
+    $device_id = $_POST['device_id'] ?? '';
+    $status = $_POST['status'] ?? '';
+
+    // SQL
+    $sql = "INSERT INTO book_return_logs 
+    (barcode, title, patron_code, patron_name, checkout_date, due_date, return_datetime, late_days, fine_amount, device_id, status) 
+    VALUES 
+    (:barcode, :title, :patron_code, :patron_name, :checkout_date, :due_date, :return_datetime, :late_days, :fine_amount, :device_id, :status)";
+
+    $stmt = $pdo->prepare($sql);
+    $stmt->bindValue(':barcode', $barcode);
+    $stmt->bindValue(':title', $title);
+    $stmt->bindValue(':patron_code', $patron_code);
+    $stmt->bindValue(':patron_name', $patron_name);
+    $stmt->bindValue(':checkout_date', $checkout_date);
+    $stmt->bindValue(':due_date', $due_date);
+    $stmt->bindValue(':return_datetime', $return_datetime);    
+    $stmt->bindValue(':late_days', $late_days, PDO::PARAM_INT);
+    $stmt->bindValue(':fine_amount', $fine_amount, PDO::PARAM_STR);
+    $stmt->bindValue(':device_id', $device_id);
+    $stmt->bindValue(':status', $status);
+
+    $stmt->execute();
+
+    // ✅ ตอบกลับ ESP32 ให้แน่นอน
+    header("Content-Type: text/plain");
+    echo "✅ Log saved successfully!";
+    flush();
+
+} catch (PDOException $e) {
+    header("Content-Type: text/plain");
+    echo "❌ Error: " . $e->getMessage();
+    flush();
+}
+?>