34567-vm/inventory/update.php
2025-10-02 20:43:00 +00:00

49 lines
1.2 KiB
PHP

<?php
require_once '../db/config.php';
header('Content-Type: application/json');
if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
http_response_code(405);
echo json_encode(['error' => 'Method Not Allowed']);
exit;
}
$data = json_decode(file_get_contents('php://input'), true);
$product_id = $data['product_id'] ?? null;
$quantity = $data['quantity'] ?? null;
if (!$product_id || !isset($quantity)) {
http_response_code(400);
echo json_encode(['error' => 'Missing required fields: product_id, quantity']);
exit;
}
if (!is_numeric($quantity) || $quantity < 0) {
http_response_code(400);
echo json_encode(['error' => 'Invalid quantity']);
exit;
}
try {
$pdo = db();
$stmt = $pdo->prepare("SELECT id FROM products WHERE id = ?");
$stmt->execute([$product_id]);
if (!$stmt->fetch()) {
http_response_code(404);
echo json_encode(['error' => 'Product not found']);
exit;
}
$stmt = $pdo->prepare("UPDATE products SET quantity = ? WHERE id = ?");
$stmt->execute([$quantity, $product_id]);
echo json_encode(['success' => 'Inventory updated successfully']);
} catch (PDOException $e) {
http_response_code(500);
echo json_encode(['error' => 'Database error: ' . $e->getMessage()]);
}