feat: implement full authentication system and CRUD APIs for users, rumah ibadah, and penduduk miskin with database updates.

api/users/create.php

@@ -0,0 +1,47 @@
+<?php
+header('Content-Type: application/json; charset=UTF-8');
+require_once '../auth_helper.php';
+requireAdmin();
+require_once '../db_connect.php';
+
+$data = json_decode(file_get_contents('php://input'), true);
+
+$username  = trim($data['username'] ?? '');
+$password  = trim($data['password'] ?? '');
+$role      = trim($data['role'] ?? 'pengelola');
+$ibadah_id = !empty($data['ibadah_id']) ? intval($data['ibadah_id']) : null;
+
+if (empty($username) || empty($password)) {
+    echo json_encode(['status' => 'error', 'message' => 'Username dan password wajib diisi']);
+    exit;
+}
+
+if ($role !== 'admin' && $role !== 'pengelola') {
+    echo json_encode(['status' => 'error', 'message' => 'Role tidak valid']);
+    exit;
+}
+
+// Cek apakah username sudah ada
+$stmt = $conn->prepare("SELECT id FROM users WHERE username = ?");
+$stmt->bind_param('s', $username);
+$stmt->execute();
+if ($stmt->get_result()->num_rows > 0) {
+    echo json_encode(['status' => 'error', 'message' => 'Username sudah digunakan']);
+    exit;
+}
+
+// Hash password
+$hashed_password = password_hash($password, PASSWORD_BCRYPT);
+
+// Insert user baru
+$stmt = $conn->prepare("INSERT INTO users (username, password, role, ibadah_id) VALUES (?, ?, ?, ?)");
+$stmt->bind_param('sssi', $username, $hashed_password, $role, $ibadah_id);
+
+if ($stmt->execute()) {
+    echo json_encode(['status' => 'success', 'message' => 'User berhasil ditambahkan', 'id' => $stmt->insert_id]);
+} else {
+    echo json_encode(['status' => 'error', 'message' => 'Gagal menambahkan user: ' . $conn->error]);
+}
+
+$conn->close();
+?>