first commit

config/db.php

@@ -0,0 +1,30 @@
+<?php
+// ============================================================
+// config/db.php — Database connection (PDO)
+// ============================================================
+
+define('DB_HOST', '127.0.0.1');  // ← ganti dari localhost ke 127.0.0.1
+define('DB_NAME', 'webgis_db');     // ← ganti dari webgis_db ke webgis
+define('DB_USER', 'root');
+define('DB_PASS', 'root123');
+define('DB_CHARSET', 'utf8mb4');
+
+function getDB(): PDO {
+    static $pdo = null;
+    if ($pdo === null) {
+        $dsn = sprintf('mysql:host=%s;dbname=%s;charset=%s', DB_HOST, DB_NAME, DB_CHARSET);
+        $options = [
+            PDO::ATTR_ERRMODE            => PDO::ERRMODE_EXCEPTION,
+            PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
+            PDO::ATTR_EMULATE_PREPARES   => false,
+        ];
+        try {
+            $pdo = new PDO($dsn, DB_USER, DB_PASS, $options);
+        } catch (PDOException $e) {
+            http_response_code(500);
+            echo json_encode(['error' => 'Database connection failed: ' . $e->getMessage()]);
+            exit;
+        }
+    }
+    return $pdo;
+}

config/helpers.php

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+<?php
+// ============================================================
+// config/helpers.php — Shared utility functions
+// ============================================================
+
+/**
+ * Set JSON response headers and output data.
+ */
+function jsonResponse(mixed $data, int $status = 200): void {
+    header('Content-Type: application/json; charset=utf-8');
+    header('Access-Control-Allow-Origin: *');
+    header('Access-Control-Allow-Methods: GET, POST, PUT, DELETE, OPTIONS');
+    header('Access-Control-Allow-Headers: Content-Type');
+    http_response_code($status);
+    echo json_encode($data, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
+    exit;
+}
+
+/**
+ * Return decoded JSON body from the request.
+ */
+function getRequestBody(): array {
+    $raw = file_get_contents('php://input');
+    $data = json_decode($raw, true);
+    return is_array($data) ? $data : [];
+}
+
+/**
+ * Get the HTTP request method.
+ */
+function getMethod(): string {
+    return strtoupper($_SERVER['REQUEST_METHOD'] ?? 'GET');
+}
+
+/**
+ * Handle CORS preflight.
+ */
+function handlePreflight(): void {
+    if (getMethod() === 'OPTIONS') {
+        header('Access-Control-Allow-Origin: *');
+        header('Access-Control-Allow-Methods: GET, POST, PUT, DELETE, OPTIONS');
+        header('Access-Control-Allow-Headers: Content-Type');
+        http_response_code(204);
+        exit;
+    }
+}