Files
d1041231029-sig-b/api/update_polygon.php
T
2026-06-02 12:40:37 +07:00

132 lines
4.7 KiB
PHP

<?php
error_reporting(E_ALL);
ini_set('display_errors', 0);
header('Content-Type: application/json');
require_once 'config.php';
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
try {
$data = json_decode(file_get_contents('php://input'), true);
// Validate required fields
if (!isset($data['id'])) {
http_response_code(400);
echo json_encode(['error' => 'Missing required field: id']);
exit;
}
$id = intval($data['id']);
$db = getDB();
// Determine what type of update this is
$hasCoordinates = isset($data['coordinates']) && isset($data['area_sqm']);
$hasName = isset($data['name']);
$hasCertificateType = isset($data['certificate_type']);
// Full edit (multiple fields including name or certificate_type)
if ($hasName || $hasCertificateType || $hasCoordinates) {
$updates = [];
$params = [];
if ($hasName) {
if (empty($data['name'])) {
http_response_code(400);
echo json_encode(['error' => 'Name cannot be empty']);
exit;
}
$updates[] = 'name = ?';
$params[] = $data['name'];
}
if ($hasCertificateType) {
$validTypes = ['SHM', 'HGB', 'HGU', 'HP'];
if (!in_array($data['certificate_type'], $validTypes)) {
http_response_code(400);
echo json_encode(['error' => 'Invalid certificate_type. Must be: SHM, HGB, HGU, or HP']);
exit;
}
$updates[] = 'certificate_type = ?';
$params[] = $data['certificate_type'];
}
if ($hasCoordinates) {
// Validate coordinates array (minimum 3 for polygon)
if (!is_array($data['coordinates']) || count($data['coordinates']) < 3) {
http_response_code(400);
echo json_encode(['error' => 'Coordinates must be an array with at least 3 points']);
exit;
}
// Validate each coordinate
foreach ($data['coordinates'] as $coord) {
if (!is_array($coord) || count($coord) !== 2 || !is_numeric($coord[0]) || !is_numeric($coord[1])) {
http_response_code(400);
echo json_encode(['error' => 'Invalid coordinate format']);
exit;
}
$lat = floatval($coord[0]);
$lng = floatval($coord[1]);
if ($lat < -90 || $lat > 90 || $lng < -180 || $lng > 180) {
http_response_code(400);
echo json_encode(['error' => 'Invalid coordinate range']);
exit;
}
}
// Validate area_sqm is positive
if (!is_numeric($data['area_sqm']) || $data['area_sqm'] <= 0) {
http_response_code(400);
echo json_encode(['error' => 'Area must be a positive number']);
exit;
}
$updates[] = 'coordinates = ?';
$updates[] = 'area_sqm = ?';
$params[] = json_encode($data['coordinates']);
$params[] = floatval($data['area_sqm']);
}
if (empty($updates)) {
http_response_code(400);
echo json_encode(['error' => 'No fields to update']);
exit;
}
// Add updated_at and id to params
$updates[] = 'updated_at = CURRENT_TIMESTAMP';
$params[] = $id;
$sql = 'UPDATE land_parcels SET ' . implode(', ', $updates) . ' WHERE id = ?';
$stmt = $db->prepare($sql);
$stmt->execute($params);
// Fetch updated record
$getStmt = $db->prepare('SELECT * FROM land_parcels WHERE id = ?');
$getStmt->execute([$id]);
$parcel = $getStmt->fetch(PDO::FETCH_ASSOC);
if ($parcel) {
$parcel['coordinates'] = json_decode($parcel['coordinates'], true);
}
echo json_encode([
'success' => true,
'polygon' => $parcel
]);
} else {
http_response_code(400);
echo json_encode(['error' => 'No fields to update']);
}
} catch (Exception $e) {
http_response_code(500);
echo json_encode(['error' => $e->getMessage()]);
}
} else {
http_response_code(405);
echo json_encode(['error' => 'Method not allowed']);
}
?>